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JP3072272B2 - Sealing device - Google Patents
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JP3072272B2 - Sealing device - Google Patents

Sealing device

Info

Publication number
JP3072272B2
JP3072272B2 JP9178267A JP17826797A JP3072272B2 JP 3072272 B2 JP3072272 B2 JP 3072272B2 JP 9178267 A JP9178267 A JP 9178267A JP 17826797 A JP17826797 A JP 17826797A JP 3072272 B2 JP3072272 B2 JP 3072272B2
Authority
JP
Japan
Prior art keywords
load
jaws
pair
sealing device
measurement value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP9178267A
Other languages
Japanese (ja)
Other versions
JPH1120810A (en
Inventor
恵章 丸山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuji Impulse Co Ltd
Original Assignee
Fuji Impulse Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuji Impulse Co Ltd filed Critical Fuji Impulse Co Ltd
Priority to JP9178267A priority Critical patent/JP3072272B2/en
Publication of JPH1120810A publication Critical patent/JPH1120810A/en
Application granted granted Critical
Publication of JP3072272B2 publication Critical patent/JP3072272B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/96—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process
    • B29C66/967—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving special data inputs or special data outputs, e.g. for monitoring purposes
    • B29C66/9672—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving special data inputs or special data outputs, e.g. for monitoring purposes involving special data inputs, e.g. involving barcodes, RFID tags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/221—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip
    • B29C65/224—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip being a resistive ribbon, a resistive band or a resistive strip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/004—Preventing sticking together, e.g. of some areas of the parts to be joined
    • B29C66/0042—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined
    • B29C66/0044—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined using a separating sheet, e.g. fixed on the joining tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/349—Cooling the welding zone on the welding spot
    • B29C66/3494—Cooling the welding zone on the welding spot while keeping the welding zone under pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8122—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the composition of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81457—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a block or layer of deformable material, e.g. sponge, foam, rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8167—Quick change joining tools or surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8181—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
    • B29C66/81811—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the welding jaws
    • B29C66/81812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the welding jaws the welding jaws being cooled from the outside, e.g. by blowing a gas or spraying a liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8187—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the electrical insulating constructional aspects
    • B29C66/81871—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the electrical insulating constructional aspects of the welding jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8221—Scissor or lever mechanisms, i.e. involving a pivot point
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8227—Transmission mechanisms using springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/824—Actuating mechanisms
    • B29C66/8244—Actuating mechanisms magnetically driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8324—Joining or pressing tools pivoting around one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/841—Machines or tools adaptable for making articles of different dimensions or shapes or for making joints of different dimensions
    • B29C66/8416—Machines or tools adaptable for making articles of different dimensions or shapes or for making joints of different dimensions of different thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/861—Hand-held tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91211—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods
    • B29C66/91212—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods involving measurement means being part of the welding jaws, e.g. integrated in the welding jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91221—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/922—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/9221—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force or the mechanical power
    • B29C66/92211—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force or the mechanical power with special measurement means or methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/96—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process
    • B29C66/967—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving special data inputs or special data outputs, e.g. for monitoring purposes
    • B29C66/9674—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving special data inputs or special data outputs, e.g. for monitoring purposes involving special data outputs, e.g. special data display means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72327—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
    • B29C66/72328—Paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7128—Bags, sacks, sachets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Package Closures (AREA)
  • Mounting Components In General For Electric Apparatus (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は、シール装置に関
し、より具体的には、互いに離間して間にシール対象材
料を配置可能な第１状態と互いに近接してシール対象材
料を挟着する第２状態との間で相対位置を変更可能な一
対のジョーを備え、さらに、前記一対のジョーどうしを
押し付けるための加圧機構と、この加圧機構によって前
記一対のジョーの間に挟着された前記シール対象材料を
加熱するための加熱手段とを備えたシール装置に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealing device, and more specifically, to a first state in which a material to be sealed can be arranged at a distance from one another and a first state in which the material to be sealed is sandwiched in close proximity to each other. A pair of jaws whose relative positions can be changed between two states; a pressing mechanism for pressing the pair of jaws together; and a pressing mechanism sandwiched between the pair of jaws by the pressing mechanism. The present invention relates to a sealing device provided with a heating means for heating the material to be sealed.

【０００２】[0002]

【従来の技術】特公平７−２５３７４号公報に、シール
圧の調整作業を行い易くするためにシール圧を検出して
表示部に表示したり、検出したシール圧をフィードバッ
クしてシール圧制御を実施可能なシール装置が開示され
ている。この従来技術によるシール装置では、可動ジョ
ーを有する揺動可能なレバーの、揺動軸芯から最も離間
した部位に操作ロッドが取り付けられており、この操作
ロッドとシール装置のベース部材側に固定された受け金
具の間に歪みゲージが配置され、可動ジョー部材は揺動
軸芯と前記遊端の中間部位に取り付けられている。2. Description of the Related Art Japanese Patent Publication No. 7-25374 discloses a method of detecting a seal pressure and displaying the detected seal pressure on a display unit in order to facilitate the operation of adjusting the seal pressure. A possible sealing device is disclosed. In this conventional sealing device, an operating rod is attached to a portion of the swingable lever having a movable jaw, which is furthest away from the swing axis, and is fixed to the operating rod and the base member side of the sealing device. The movable jaw member is attached to the intermediate portion between the swing axis and the free end.

【０００３】[0003]

【発明が解決しようとする課題】上記の従来技術のシー
ル装置では、シール圧を測定するには、可動ジョーと固
定ジョーが材料を挟着している時に必ず操作ロッドが歪
みゲージを押し付けるように、操作ロッドの突出量を調
整しておかねばならないが、可動ジョーと操作ロッドで
は軸芯からの距離が大きく異なるために、レバーの一定
の揺動角度に応じた変位量は、可動ジョーと操作ロッド
では異なる。したがって、シールしようとする材料の厚
さが変われば、操作ロッドの突出量をこれに調整し直さ
ない限り、正しいシール圧が表示されないという問題が
あった。また、仮に操作ロッドの突出量が正しく調整さ
れていなければ、（極例を挙げれば、歪みゲージは操作
ロッドに押されてシール圧を検出しているのに、実際に
は可動ジョーは材料に未だ接してもいない等）表示され
たシール圧は、必ずしも材料が受けている圧力を正しく
反映しておらず、しかも、表示されたシール圧が正しい
かどうかを確認する方法が無いために、結果的に、得ら
れた表示値は、シールの実施時（熱融着の際）において
材料に基準範囲内の圧力が掛けられたか否かを、シール
された製品の個々に対して記録する手段とはなり得なか
った。In the above-mentioned prior art sealing apparatus, in order to measure the sealing pressure, the operating rod always presses the strain gauge when the movable jaw and the fixed jaw clamp the material. However, since the distance between the movable jaw and the operating rod differs greatly from the axis, the amount of displacement corresponding to a certain swing angle of the lever must be adjusted with the movable jaw. Different for rods. Therefore, if the thickness of the material to be sealed changes, there is a problem that the correct sealing pressure is not displayed unless the protrusion amount of the operation rod is adjusted to this. Also, if the amount of protrusion of the operating rod is not properly adjusted (in the extreme case, although the strain gauge is pressed by the operating rod to detect the sealing pressure, the movable jaw is actually The displayed seal pressure does not always accurately reflect the pressure received by the material, and there is no way to confirm that the displayed seal pressure is correct. And means for recording, for each of the sealed products, whether or not the material has been subjected to a pressure within a reference range at the time of sealing (during heat sealing). Could not be.

【０００４】本発明の目的は、上記に例示した従来技術
の持つ短所に鑑みて、シールしようとする材料の厚さの
変動に拘わらず正しいシール圧が測定、出力でき、した
がって、出力された結果が、シールの実施時（熱融着の
際）において材料に基準範囲内の圧力が加えられたか否
かを、シールされた製品の個々に対して記録するシール
装置を提供することにある。[0004] In view of the disadvantages of the prior art exemplified above, it is an object of the present invention to be able to measure and output the correct sealing pressure regardless of the variation in the thickness of the material to be sealed, and therefore the output result. It is an object of the present invention to provide a sealing device for recording whether or not a pressure within a reference range is applied to a material at the time of performing sealing (during heat sealing) for each of the sealed products.

【０００５】[0005]

【課題を解決するための手段】上記目的を達成するため
に、本発明に係るシール装置では、一対のジョーに加え
られる荷重を、第１状態から第２状態への移行過程で測
定可能な荷重測定手段と、シール時の荷重測定値を転送
するデータ転送手段とを有することを特徴構成としてい
る。In order to achieve the above object, in a sealing device according to the present invention, a load applied to a pair of jaws can be measured in a transition process from a first state to a second state. It is characterized by having a measuring means and a data transfer means for transferring a measured load value at the time of sealing.

【０００６】[0006]

【発明の効果】上記特徴構成を有するために、本発明に
係るシール装置では、一対の加圧ジョーに加えられる荷
重を、第１状態から第２状態への移行過程で測定可能で
あるため、前記荷重をシール対象材料の厚さとも無関係
に測定可能となって、材料の厚さに応じた装置の再調整
が不要であり、また、転送された荷重測定値は、シール
時に材料に加えられた圧力を正しく反映しているので、
この転送された 荷重測定値は、シールの実施時（熱融
着の際）において材料に合格範囲内の圧力が掛けられた
場合に、その事実をシールされた製品の個々に対して記
録するという効果が得られる。According to the sealing device of the present invention, the load applied to the pair of pressure jaws can be measured during the transition from the first state to the second state. The load can be measured irrespective of the thickness of the material to be sealed, which eliminates the need for readjustment of the device according to the thickness of the material, and the transferred load measurement is applied to the material at the time of sealing. Correctly reflects the pressure
This transferred load measurement is to record for each sealed product, the fact that the material was subjected to an acceptable range of pressures during the sealing process (during heat sealing). The effect is obtained.

【０００７】また、請求項２の発明のように、データ転
送手段から転送される荷重測定値を処理するデータ処理
手段と、データ処理手段によって処理された荷重測定値
を、シール時に材料に加えられたシール圧力として出力
する出力手段とが設けられている構成にすると良い。こ
のように構成すれば、シールされた製品のユーザーは、
包装材料から製品を取り出す直前などに出力結果を見
て、シール作業時のシール圧力が合格範囲に入っていた
かどうか、言い換えればシール状態を確認できて都合が
良い。特に、製品が食品材料、医薬品、外科治療用器具
などの場合、パックされた時のシール状態（密封性）が
分かると、これは取り出した製品の取扱い方を決める際
の重要な参考として役立てることができる。According to a second aspect of the present invention, a data processing means for processing a load measurement value transferred from the data transfer means, and the load measurement value processed by the data processing means is added to the material at the time of sealing. It is preferable to provide an output means for outputting as the sealing pressure. With this configuration, the user of the sealed product,
It is convenient to check the output result just before taking out the product from the packaging material and check whether the sealing pressure during the sealing operation is within the acceptable range, in other words, the sealing state. In particular, if the product is a food material, pharmaceutical product, surgical treatment instrument, etc., knowing the sealed state (sealing property) when packed can be used as an important reference when deciding how to handle the product taken out Can be.

【０００８】請求項３の発明のように、前記出力手段
が、前記荷重測定値を、シールに用いられた包装材料の
表面に印字する構成とすれば、或る一個の製品を包装し
てシールする際に、シール作業を行うと同時に、言い換
えれば、シール装置にその製品が配置されている間に
（次の製品が配置される前に）、その包装材料に荷重測
定値を出力（印字）できるので、シールされた製品と出
力された値の間の１対１の対応関係に間違い等が生じ難
い。また、シールされた包装から製品を取り出すユーザ
ーは、製品の包装自身に記されている出力値を確認すれ
ば良く、製品と別体の資料などで確認する等の煩雑な作
業が要らない。According to a third aspect of the present invention, when the output means prints the measured load value on the surface of the packaging material used for the seal, a certain product is wrapped and sealed. At the same time as performing the sealing work, in other words, while the product is placed on the sealing device (before the next product is placed), output the load measurement value to the packaging material (printing) Since it is possible, an error or the like hardly occurs in the one-to-one correspondence between the sealed product and the output value. Further, the user who takes out the product from the sealed package only needs to check the output value written on the product packaging itself, and does not need to perform a complicated operation such as checking with a material separate from the product.

【０００９】請求項４の発明のように、出力手段が、予
め設定された合格範囲の値から外れた規格外のデータ
を、規格内の荷重測定値とは異なった出力方法で出力す
る構成とすれば、規格外条件でシールされた製品を不良
シール製品として簡単に、確実に判別できる。According to a fourth aspect of the present invention, the output means outputs non-standard data out of a predetermined acceptable range by an output method different from the standard load measurement value. This makes it possible to easily and reliably determine a product sealed under nonstandard conditions as a defective seal product.

【００１０】例えば、請求項５の発明のように、出力手
段が、規格外の荷重測定値を、規格内の荷重測定値とは
異なった色で印刷する出力方法をとれば良い。[0010] For example, as in the invention of claim 5, the output means may employ an output method of printing a nonstandard load measurement value in a color different from the standard load measurement value.

【００１１】一対の加圧ジョーに加えられる荷重を、第
１状態から第２状態への移行過程で測定するための、よ
り具体的な構造としては、請求項６の発明のように、加
圧機構が、荷重測定手段を介して一対のジョーどうしを
押し付ける構成にすれば良い。A more specific structure for measuring the load applied to the pair of pressurizing jaws during the transition from the first state to the second state is as follows. The mechanism may be configured to press the pair of jaws via the load measuring means.

【００１２】請求項７の発明のように、一対のジョーの
少なくとも一方に材料の温度を測定する温度検出手段を
設け、加熱手段の駆動停止後、温度検出手段が設定温度
を下回る値を検出した時に、一対のジョーを第１状態に
復帰させる冷却判定手段が設けられており、前記出力手
段は、荷重測定値とは別に、前記復帰時における前記温
度検出値を出力する構成にすれば、ユーザーがシール状
態をより正確に把握できる。According to the present invention, at least one of the pair of jaws is provided with a temperature detecting means for measuring the temperature of the material, and after the driving of the heating means is stopped, the temperature detecting means detects a value lower than the set temperature. Occasionally, cooling determination means for returning the pair of jaws to the first state is provided, and the output means outputs the temperature detection value at the time of the return separately from the load measurement value. Can more accurately grasp the sealing state.

【００１３】本発明によるその他の特徴及び利点は、以
下図面を用いた実施形態の説明により明らかになるだろ
う。Other features and advantages of the present invention will become apparent from the following description of embodiments with reference to the drawings.

【００１４】[0014]

【発明の実施の形態】本発明によるシール装置の一実施
形態について図面に基づいて解説する。 （シール装置の構造）図２のシール装置は、シール装置
本体１、シールデータを処理するためのパソコン３、処
理されたシールデータを印刷物として出力するためのプ
リンタ５から構成されている。シール装置本体１にはデ
ータ転送手段が設けられている。また、シール装置本体
１は、固定ジョー８を備えたベース部材６と、ベース部
材６に対して上下方向に揺動可能に設けられた左右一対
の圧着レバー３０，３０を有する。圧着レバー３０，３
０の基端側は二方に分岐しており、ベース部材６に立設
された一対の支持部１０，１０上に支持されたピン部材
によって、軸芯Ｘ周りで揺動可能に支持されている。圧
着レバー３０，３０の遊端側からは左右に長く延びた可
動ジョー３２が下方に突出形成されている。可動ジョー
３２の下端にはゴム製のパッド３２ａが固定されてお
り、圧着レバー３０，３０の前記揺動に基づいて、可動
ジョー３２は固定ジョー８に近接移動して、これによっ
てパッド３２ａは固定ジョー８と接触可能となる（図２
を参照）。圧着レバー３０の遊端側の上面には荷重測定
手段としての圧力板３６が取り付けられている。圧力板
３６は厚さ約５ｍｍの鋼製の板からなる。圧力板３６
は、被支持部３６ａとそこから後方に延びた可撓部３６
ｂを有し、被支持部３６ａは、可動ジョー３２の上方に
設けられた支持部３０ａにボルト３８，３８を介して固
定されている。可動ジョー３２の、可撓部３６ｂの下方
に相当する位置には、可撓部３６ｂの下方向きの変形を
許す凹部４０が形成されている。言い換えれば、圧力板
３６はその前端に設けられた被支持部３６ａによって片
持ち状態に固定されていることになる。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a sealing device according to the present invention will be described with reference to the drawings. (Structure of Sealing Device) The sealing device shown in FIG. 2 includes a sealing device main body 1, a personal computer 3 for processing the seal data, and a printer 5 for outputting the processed seal data as a printed matter. The seal device main body 1 is provided with data transfer means. Further, the sealing device main body 1 includes a base member 6 having a fixed jaw 8 and a pair of left and right pressure bonding levers 30, 30 provided so as to be vertically swingable with respect to the base member 6. Crimping lever 30,3
The base end side of O is bifurcated, and is pivotally supported around the axis X by pin members supported on a pair of support portions 10, 10 erected on the base member 6. I have. A movable jaw 32 extending long from side to side from the free end side of the pressure bonding levers 30, 30 is formed to protrude downward. A rubber pad 32a is fixed to the lower end of the movable jaw 32, and the movable jaw 32 moves close to the fixed jaw 8 based on the swing of the pressure levers 30, 30, whereby the pad 32a is fixed. It becomes possible to make contact with the jaw 8 (FIG. 2)
See). A pressure plate 36 as a load measuring means is attached to the upper surface on the free end side of the pressure lever 30. The pressure plate 36 is a steel plate having a thickness of about 5 mm. Pressure plate 36
Is a supported portion 36a and a flexible portion 36 extending rearward therefrom.
and the supported portion 36a is fixed to the support portion 30a provided above the movable jaw 32 via bolts 38,38. At a position corresponding to a position below the flexible portion 36b of the movable jaw 32, a concave portion 40 that allows the flexible portion 36b to be deformed downward is formed. In other words, the pressure plate 36 is fixed in a cantilevered state by the supported portion 36a provided at the front end thereof.

【００１５】圧着レバー３０，３０のベース部材６に対
する姿勢を変更する姿勢変更機構１４が設けられてい
る。姿勢変更機構１４は、ベース部材６に固定されたソ
レノイド１２と、ソレノイド１２に対して変位すること
によって、ソレノイド１２の筒内への進入寸法を変更可
能な可動鉄芯４６と、圧力板３６の可撓部３６ｂの貫通
孔３６ｃに嵌着された引下げヘッド４２と、この引下げ
ヘッド４２を可動鉄芯４６と連結するリンク部材４４
と、圧着レバー３０，３０をベース部材６から離間した
姿勢に向けて付勢している復帰ばね３４を有する。ソレ
ノイド１２に適当な大きさの電流を流すと、発生する磁
力によって可動鉄芯４６がソレノイド１２側に吸引され
て、リンク部材４４と圧力板３６を介して圧着レバー３
０，３０が、復帰ばね３４の付勢力に抗して下方に押し
下げられる（ここで、引下げヘッド４２とリンク部材４
４とは、圧力板３６を介して圧着レバー３０，３０をベ
ース部材６向きに引き寄せるための圧力伝達部材の一
例）。したがって、ソレノイド１２へ流す電流を調整す
ることによって、固定ジョー８と可動ジョー３２の間に
シール対象材料Ｍを配置するための、圧着レバー３０，
３０が十分に開いた第１姿勢（図１−イ）と、可動ジョ
ー３２が固定ジョー８に近接して間にシール対象材料を
挟着する第２姿勢（図１−ロ）の間で、圧着レバー３０
の姿勢が変更可能となる。また、姿勢変更機構１４は、
可動ジョー３２を固定ジョー８に押し付けるための加圧
機構１６を兼ねている。すなわち、同様に、ソレノイド
１２へ流す電流を更に高めれば、可動ジョー３２は固定
ジョー８に押し付けられ、両ジョー８，３２の間にシー
ル対象材料Ｍを挟着することができる。また、シール装
置本体１には、姿勢変更機構１４を開始するためのフッ
トスイッチ１００が設けられている。An attitude changing mechanism 14 for changing the attitude of the pressure levers 30, 30 with respect to the base member 6 is provided. The attitude changing mechanism 14 includes a solenoid 12 fixed to the base member 6, a movable iron core 46 capable of changing a dimension of the solenoid 12 entering the cylinder by displacing the solenoid 12, and a pressure plate 36. A pull-down head 42 fitted in the through hole 36c of the flexible portion 36b, and a link member 44 connecting the pull-down head 42 to the movable iron core 46
And a return spring 34 that urges the pressure levers 30, 30 toward a position separated from the base member 6. When a current of an appropriate magnitude is applied to the solenoid 12, the movable iron core 46 is attracted to the solenoid 12 side by the generated magnetic force, and the pressure lever 3 is connected via the link member 44 and the pressure plate 36.
0, 30 are pushed downward against the urging force of the return spring 34 (here, the pull-down head 42 and the link member 4
4 is an example of a pressure transmitting member for pulling the pressure levers 30, 30 toward the base member 6 via the pressure plate 36). Therefore, by adjusting the current flowing through the solenoid 12, the crimp levers 30 and 30 for disposing the material M to be sealed between the fixed jaw 8 and the movable jaw 32 are arranged.
Between a first position (FIG. 1A) in which the 30 is fully opened and a second position (FIG. 1B) in which the movable jaw 32 is in close proximity to the fixed jaw 8 and clamps the material to be sealed. Crimping lever 30
Can be changed. In addition, the posture changing mechanism 14
The pressing mechanism 16 also presses the movable jaw 32 against the fixed jaw 8. That is, similarly, if the current flowing through the solenoid 12 is further increased, the movable jaw 32 is pressed against the fixed jaw 8, and the sealing target material M can be sandwiched between the jaws 8, 32. Further, the seal device main body 1 is provided with a foot switch 100 for starting the posture changing mechanism 14.

【００１６】また、固定ジョー８の上向きの端面には、
ニクロムテープ６２，６２（加熱手段の一例）が貼り付
けられている。ニクロムテープ６２，６２は、幅が約４
ｍｍで二本あり、間に２ｍｍの間隔を開けた平行状態に
配置されている。ニクロムテープ６２，６２をこのよう
な配置にしてシールを行えば、幅が約４ｍｍの帯状のシ
ール箇所が二本形成される。このような幅が約４ｍｍの
帯状シールは、幅が約１０ｍｍの一本のニクロムテープ
を用いた場合に得られるシールに比して剥がし易く、し
かも、この幅が約４ｍｍの帯状のシール箇所が間を置い
て２カ所形成されるので、シールの信頼性は低下しな
い。このようなシール方法は、特に、樹脂製のシートと
紙シートを熱可塑性樹脂の接着シートでシールさせる場
合に、紙シートから紙粉が出難いという効果を発揮す
る。ニクロムテープ６２，６２を駆動する（通電する）
と、固定ジョー８と可動ジョー３２の間に挟着されたシ
ール対象材料Ｍを加熱することができる。尚、金属製で
導電性の固定ジョー８とニクロムテープ６２，６２の間
には、非導電性材料、例えば、テフロン（米国デュポン
社製の商品名）の薄いシートが介装されており、ニクロ
ムテープ６２，６２に流される電流の短絡を防止してい
る。また、実際のシール作業では、ニクロムテープ６
２，６２がシール対象材料Ｍに接触しないように、ニク
ロムテープ６２，６２上にもテフロン（米国デュポン社
製の商品名）等の薄い耐熱シートＳを載置してシール作
業を行う。Further, on the upward end face of the fixed jaw 8,
Nichrome tapes 62, 62 (an example of a heating means) are attached. The nichrome tapes 62, 62 have a width of about 4
mm, and are arranged in parallel with a gap of 2 mm between them. If the nichrome tapes 62, 62 are arranged in such a manner and sealed, two band-shaped seal portions having a width of about 4 mm are formed. Such a band-shaped seal having a width of about 4 mm is easier to peel than a seal obtained when a single nichrome tape having a width of about 10 mm is used, and the band-shaped seal portion having a width of about 4 mm is formed. Since two portions are formed at intervals, the reliability of the seal does not decrease. Such a sealing method has an effect that paper powder hardly comes out of the paper sheet particularly when the resin sheet and the paper sheet are sealed with a thermoplastic resin adhesive sheet. Drive the nichrome tapes 62, 62 (energize)
Then, the material M to be sealed sandwiched between the fixed jaw 8 and the movable jaw 32 can be heated. A thin sheet of a non-conductive material, for example, Teflon (trade name, manufactured by DuPont, USA) is interposed between the metal fixed conductive jaw 8 and the Nichrome tapes 62, 62. The short circuit of the current flowing through the tapes 62, 62 is prevented. In the actual sealing work, the Nichrome tape 6
A thin heat-resistant sheet S such as Teflon (trade name, manufactured by DuPont, USA) or the like is also placed on the nichrome tapes 62, 62 so as to prevent the materials 2, 2 from contacting the material M to be sealed.

【００１７】ベース部材６には一対の冷却ファン８０，
８０が設けられており、固定ジョー８を強制冷却するこ
とができる。圧力板３６の上下の二面には、各々歪みゲ
ージ５０，５０（荷重測定手段の一例）が貼り付けられ
ている。可動ジョー３２に荷重が加えられると、この荷
重は荷重測定手段としての圧力板３６の変形を引き起こ
し、この圧力板３６の変形によって歪みゲージ５０，５
０に引っ張り力、或いは、圧縮力が加えられ、これによ
って引き起こされる電気抵抗変化をブリッジ回路構成に
よる増幅回路で電圧信号に変換し、これをＡ／Ｄ変換す
ることで、可動ジョー３２に加えられている荷重Ｐ１の
大きさを検出することが出来る。ここで、荷重測定手段
としての圧力板３６は、圧着レバー３２の、揺動軸芯Ｘ
と可動ジョー３２の間に設けられているので、可動ジョ
ー３２に加えられる荷重Ｐ１は、可動ジョー３２の固定
ジョー８に対する相対位置に拘わらず検出することがで
きる（すなわち、第２状態は元より、第１状態から第２
状態への移行過程の任意の時点で検出可能）。A pair of cooling fans 80,
The fixed jaw 8 can be forcibly cooled. Strain gauges 50, 50 (an example of load measuring means) are attached to the upper and lower surfaces of the pressure plate 36, respectively. When a load is applied to the movable jaw 32, the load causes a deformation of the pressure plate 36 as a load measuring means, and the deformation of the pressure plate 36 causes the strain gauges 50, 5 to move.
A tensile force or a compressive force is applied to zero, and a change in electric resistance caused by the force is converted into a voltage signal by an amplifier circuit having a bridge circuit configuration, and the voltage signal is subjected to A / D conversion. The magnitude of the applied load P1 can be detected. Here, the pressure plate 36 as a load measuring means is provided on the pivot axis X of the pressure-contact lever 32.
Is provided between the movable jaw 32 and the movable jaw 32, the load P1 applied to the movable jaw 32 can be detected regardless of the relative position of the movable jaw 32 with respect to the fixed jaw 8 (that is, the second state is originally from the second state). , From the first state to the second
Can be detected at any time during the transition process to the state).

【００１８】また、圧着レバー３０，３０とベース部材
６の間にはマイクロスイッチ６０が設けられている。図
２に示されるように、マイクロスイッチ６０は、圧着レ
バー３０，３０が下降して、可動ジョー３２と固定ジョ
ー８がシール対象材料を挟着可能になるとＯＮされ、加
熱工程を開始する信号を出す。可動ジョー３２のゴムパ
ッド３２ａには熱電対６４（温度検出手段の一例）が設
けられている。A microswitch 60 is provided between the pressure levers 30, 30 and the base member 6. As shown in FIG. 2, the micro switch 60 is turned on when the crimp levers 30 and 30 are lowered and the movable jaw 32 and the fixed jaw 8 can clamp the material to be sealed, and a signal for starting the heating process is provided. put out. The rubber pad 32a of the movable jaw 32 is provided with a thermocouple 64 (an example of a temperature detecting unit).

【００１９】（制御機構）本発明によるシール装置の制
御機構は、図３に示されるように、シール装置本体１の
カバー上に設けられた操作盤２００と、ベース部材６上
に設けられた中央制御部３００を有する。中央制御部３
００は、荷重判定手段、緊急停止手段、冷却判定手段、
および、タイマーを有する。一方、中央制御部３００
は、操作盤２００、フットスイッチ１００、プリンタ
５、ソレノイド１０、歪みゲージ５０、マイクロスイッ
チ６０、および、熱電対６４と連結されている。中央制
御部３００は、フットスイッチ１００の押し操作に基づ
いて、圧着レバー３０，３０を下降させ、さらに、可動
ジョー３２と固定ジョー８の間でシール対象材料を挟着
するために、ソレノイド１２に通電開始し、さらに、通
電する電流を次第に高めるという基本操作を実行すると
共に、その間、下記の操作をも実効可能である。すなわ
ち、前記荷重判定手段は、荷重測定手段３６，５０によ
って測定された、可動ジョー３２に加えられている荷重
の値Ｐ１を第１荷重設定値または第２荷重設定値と比較
する。ここで、第１荷重設定値は、一対のジョーどうし
の近接を阻止する荷重が所定量を超えたとき、これを異
常事態とみなして即刻に圧着レバー３０，３０の姿勢変
更を停止するための基準値であるから、姿勢変更機構１
４が圧着レバー３０，３０を復帰ばね３４に抗してベー
ス部材６側に変位させるのに必要十分な操作力を若干超
える値に設定しておけば良く、例えば５ｋｇ重に設定し
ておく。一方、第２荷重設定値は、シール対象材料Ｍを
融着するのに適した基準圧力であるから、材料に応じて
適宜変更すれば良いが、ここでは仮に、一般的な例に相
当する１００ｋｇ重と設定しておく）。前記緊急停止手
段は、圧着レバー３０，３０が第１から第２状態への移
行過程の途中、すなわち、未だ十分に下降して、可動ジ
ョー３２と固定ジョー８がシール対象材料Ｍを挟着可能
になっていない状態、言い換えれば、マイクロスイッチ
６０がＯＦＦの状態で、歪みゲージ５０，５０が前記第
１荷重設定値を超える値Ｐ１を検出した時に、これを異
常事態とみなして、即刻に姿勢変更を停止する。この
時、圧着レバー３０，３０は、復帰ばね３４によって第
１状態に戻る。(Control Mechanism) As shown in FIG. 3, the control mechanism of the sealing device according to the present invention includes an operation panel 200 provided on the cover of the sealing device main body 1 and a center provided on the base member 6. It has a control unit 300. Central control unit 3
00 is load determining means, emergency stopping means, cooling determining means,
And a timer. On the other hand, the central control unit 300
Is connected to an operation panel 200, a foot switch 100, a printer 5, a solenoid 10, a strain gauge 50, a micro switch 60, and a thermocouple 64. The central control unit 300 lowers the pressure bonding levers 30, 30 based on the pressing operation of the foot switch 100, and further causes the solenoid 12 to clamp the material to be sealed between the movable jaw 32 and the fixed jaw 8. The basic operation of starting energization and gradually increasing the current to be energized is executed, and during that time, the following operation can also be performed. That is, the load determining means compares the value P1 of the load applied to the movable jaw 32 measured by the load measuring means 36, 50 with the first load set value or the second load set value. Here, the first load set value is a value for immediately stopping the change of the posture of the pressure bonding levers 30, 30 when a load that prevents the pair of jaws from approaching each other exceeds a predetermined amount and regards this as an abnormal situation. Since it is a reference value, the posture changing mechanism 1
The operation force may be set to a value that slightly exceeds the operation force necessary for the pressing lever 4 to displace the pressure bonding levers 30 and 30 toward the base member 6 against the return spring 34, for example, set to 5 kg weight. On the other hand, since the second load set value is a reference pressure suitable for fusing the material M to be sealed, it may be changed as appropriate according to the material. Weight). The emergency stop means allows the movable jaw 32 and the fixed jaw 8 to clamp the material M to be sealed, while the pressure bonding levers 30, 30 are in the middle of the transition from the first state to the second state, that is, are still sufficiently lowered. When the strain gauges 50 and 50 detect a value P1 exceeding the first load set value while the microswitch 60 is in the OFF state, in other words, in a state where the microswitch 60 is OFF, this is regarded as an abnormal situation, and the posture is immediately determined. Stop changes. At this time, the pressure bonding levers 30, 30 return to the first state by the return spring.

【００２０】前記冷却判定手段は、ニクロムテープ６
２，６２に対する通電停止後、熱電対６４が設定温度Ｔ
０（例：９０℃）を下回る値Ｔ１を検出した時に、ソレ
ノイド１２を解放して、圧着レバー３０，３０を第１状
態に復帰させる。前記タイマーは、ソレノイド駆動機構
が圧着レバー３０，３０を下降開始した時からの経過時
間を測定し、基準下降時間（例えば、２秒）と比較する
機能を備える。The cooling determining means includes a nichrome tape 6
2 and 62, the thermocouple 64 changes to the set temperature T.
When a value T1 lower than 0 (eg, 90 ° C.) is detected, the solenoid 12 is released, and the pressure bonding levers 30, 30 are returned to the first state. The timer has a function of measuring an elapsed time from when the solenoid driving mechanism starts lowering the pressure bonding levers 30, 30, and comparing the elapsed time with a reference lowering time (for example, 2 seconds).

【００２１】（データ出力機構）シール装置本体１に
は、前記荷重測定手段、または、熱電対６４によって測
定されたデータをパソコン３に転送するために、ＲＳ−
２３２Ｃに基づくシリアルインタフェースが設けられて
いる。また、プリンタ５は、パソコン３によって処理さ
れたこれらのデータを印刷物として出力（印字）する。(Data Output Mechanism) In order to transfer the data measured by the load measuring means or the thermocouple 64 to the personal computer 3, the sealing device main body 1 has an RS-
A serial interface based on H.232C is provided. The printer 5 outputs (prints) these data processed by the personal computer 3 as printed matter.

【００２２】（制御方法）本発明によるシール装置の制
御方法を、図４のフロー図に基づいて解説する。 （１）作業者がシール対象材料Ｍを可動ジョー３２と固
定ジョー８の間に配置して、フットスイッチ１００を踏
む（＃０１）と、ソレノイド１２に電流が流れて、可動
鉄芯４６が磁力で下方に引っ張られ、圧着レバー３０，
３０の下降が開始される（＃０２）。この時、同時にタ
イマーが時間経過を測定開始する（＃０３）。 （２）圧着レバー３０，３０が十分に下降する前に、５
ｋｇ重を超える荷重Ｐ１が検出されたことを荷重判定手
段が判定するか（＃０４がｙｅｓ）、または、タイマー
がタイムアップすると（＃０５がｙｅｓ）、ソレノイド
１２が解放され（＃０７）、圧着レバー３０，３０は、
圧縮ばね３４の付勢力で前記第１姿勢に復帰する。 （３）タイマーがタイムアップしない間に（＃０５がｎ
ｏ）、５ｋｇ重を超える荷重Ｐ１が検出されなければ
（＃０４がｎｏ）、ソレノイド１２に流れる電流が増大
し続け、遂に圧着レバー３０，３０が十分に下降して、
マイクロスイッチ６０がＯＮされる（＃０６がｙｅ
ｓ）。 （４）マイクロスイッチ６０のＯＮに基づいて発生され
る信号で、ニクロムテープ６２，６２が駆動されて材料
Ｍが加熱され、一定時間経過後、加熱終了する（＃０
８）。 （５）熱電対６４による材料の測定温度Ｔ１が設定温度
Ｔ０まで下がった時（＃０９がｙｅｓ）、ソレノイド１
２を解放し（＃１０）、シールが完了する。 （６）加熱温度のピーク値、可動ジョー３２が材料から
離れた時の材料温度Ｔ１、および、加熱開始した時の荷
重測定値Ｐ１を、それぞれ、「加熱温度」「冷却温度」
「シール圧力」として、シール装置本体１に設けられた
ＲＳ−２３２Ｃに基づくインタフェースを用いて、パソ
コン３に転送し、パソコン３によってデータ処理後、こ
れらの測定値を、シールされた製品の包装材料Ｍの表面
と、プリンタ５から排出される記録紙と、操作盤２００
の表示部に出力する（＃１１）。(Control Method) A control method of the sealing device according to the present invention will be described with reference to a flowchart of FIG. (1) When the worker places the material to be sealed M between the movable jaw 32 and the fixed jaw 8 and depresses the foot switch 100 (# 01), an electric current flows through the solenoid 12 and the movable iron core 46 becomes a magnetic force. , And is pulled downward by the crimp lever 30,
30 is started to fall (# 02). At this time, the timer simultaneously starts measuring the elapsed time (# 03). (2) Before the pressure levers 30, 30 are fully lowered,
When the load determining means determines that the load P1 exceeding the kg weight is detected (# 04 is yes) or when the timer expires (# 05 is yes), the solenoid 12 is released (# 07). Crimping levers 30, 30
It returns to the first position by the urging force of the compression spring 34. (3) While the timer does not time out (# 05 is n
o) If a load P1 exceeding 5 kg weight is not detected (# 04 is no), the current flowing through the solenoid 12 continues to increase, and finally the pressure bonding levers 30, 30 are sufficiently lowered,
The micro switch 60 is turned on (# 06 is yes)
s). (4) The signal generated based on the ON of the microswitch 60 drives the nichrome tapes 62, 62 to heat the material M, and after a certain period of time, ends the heating (# 0).
8). (5) When the temperature T1 of the material measured by the thermocouple 64 drops to the set temperature T0 (# 09 is yes), the solenoid 1
2 is released (# 10), and the sealing is completed. (6) The peak value of the heating temperature, the material temperature T1 when the movable jaw 32 is separated from the material, and the measured load value P1 when the heating is started are respectively referred to as “heating temperature” and “cooling temperature”.
The “seal pressure” is transferred to the personal computer 3 using the interface based on RS-232C provided in the seal device main body 1, and after the data is processed by the personal computer 3, these measured values are used as the packaging material for the sealed product. M, the recording paper discharged from the printer 5, and the operation panel 200
(# 11).

【００２３】ここで、包装材料および記録紙への印字
は、予め操作／表示部７０から設定したた規格範囲内の
データは黒字で印字されるが、範囲から外れるデータは
赤字で印字されるように構成しても良い。Here, when printing on the packaging material and the recording paper, data within the standard range set in advance from the operation / display unit 70 is printed in black, but data out of the range is printed in red. May be configured.

【００２４】尚、両ジョー８，３２の間に挟着された複
数層のシール対象材料Ｍどうしを加熱融着する基準荷重
としての、第２荷重設定値は、必要に応じて（例えば、
シール対象材料の軟化特性や厚さなどに応じて）操作盤
２００から変更可能である。The second load set value as a reference load for heating and fusing a plurality of layers of the material to be sealed M sandwiched between the jaws 8 and 32 as needed (for example,
It can be changed from the operation panel 200 (depending on the softening characteristics and thickness of the material to be sealed).

【００２５】〔別実施形態〕 ＜１＞加熱開始のタイミングは、マイクロスイッチ６０
のＯＮによらずに、可動ジョー３２に加えられた荷重が
第２荷重設定値を超えたとの荷重判定手段による判定に
応じて開始しても良い。この場合、マイクロスイッチ６
０は荷重判定手段による前記判定よりも早めにＯＮされ
ても良い。[Another Embodiment] <1> The heating start timing is determined by the microswitch 60.
May be started in response to the determination made by the load determining means that the load applied to the movable jaw 32 has exceeded the second load set value, without depending on ON. In this case, the microswitch 6
0 may be turned on earlier than the above-mentioned judgment by the load judgment means.

【００２６】＜２＞設定された第２設定圧力値がキーロ
ックされる構成としても良い。すなわち、一旦設定され
た第２設定圧力値が不注意で変更されないように、設定
変更にはＩＤ番号の入力が必要な構成にすることができ
る。<2> The set second set pressure value may be key-locked. That is, it is possible to adopt a configuration in which an ID number must be input for setting change so that the second set pressure value once set is not inadvertently changed.

【００２７】＜３＞データ転送手段としては、ＩｒＤＡ
に基づく赤外線インタフェースを用いても良い。<3> As a data transfer means, IrDA
May be used.

【００２８】＜４＞上記実施形態のシール装置本体で
は、一対のジョーの内の一方はベース部材に固定された
固定ジョーであるが、一対のジョーの双方を可動ジョー
として構成することも可能である。<4> In the sealing device body of the above embodiment, one of the pair of jaws is a fixed jaw fixed to the base member, but both of the pair of jaws may be configured as movable jaws. is there.

【００２９】＜５＞上記実施形態では、熱可塑性樹脂か
らなるシール対象材料どうしを、ニクロムヒータ等で瞬
間的に加熱しながら押し付けることで融着しているが、
ヒータの代わりに、超音波による融着機構を用いても良
い。<5> In the above embodiment, the materials to be sealed made of a thermoplastic resin are fused by pressing them instantaneously while heating them with a nichrome heater or the like.
Instead of the heater, a fusion mechanism using ultrasonic waves may be used.

【図面の簡単な説明】[Brief description of the drawings]

【図１】本発明によるシール装置本体の第１と第２状態
における側面図FIG. 1 is a side view of a sealing device main body according to the present invention in first and second states.

【図２】本発明によるシール装置の全体を示す正面図FIG. 2 is a front view showing the entire sealing device according to the present invention.

【図３】図１のシール装置本体の制御部を示すブロック
図FIG. 3 is a block diagram showing a control unit of the sealing device main body of FIG. 1;

【図４】図１のシール装置本体の制御方法を示すフロー
図FIG. 4 is a flowchart showing a control method of the sealing device main body of FIG. 1;

【符号の説明】[Explanation of symbols]

１ シール装置本体 ３ パソコン ５ プリンタ ６ ベース部材 ８ 固定ジョー １２ ソレノイド ３０ 圧着レバー ３２ 可動ジョー ３６ 圧力板 ４２ 引き下げヘッド ４６ 可動鉄芯 ５０ 歪みゲージ ６０ マイクロスイッチ １００ フットスイッチ ２００ 操作盤 ３００ 中央制御部 DESCRIPTION OF SYMBOLS 1 Seal device main body 3 Personal computer 5 Printer 6 Base member 8 Fixed jaw 12 Solenoid 30 Crimping lever 32 Movable jaw 36 Pressure plate 42 Pull-down head 46 Movable iron core 50 Strain gauge 60 Micro switch 100 Foot switch 200 Operation panel 300 Central control unit

Claims (7)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】 互いに離間して間にシール対象材料を配
置可能な第１状態と互いに近接してシール対象材料を挟
着する第２状態との間で相対位置を変更可能な一対のジ
ョーを備え、さらに、前記一対のジョーどうしを押し付
けるための加圧機構と、この加圧機構によって前記一対
のジョーの間に挟着された前記シール対象材料を加熱す
るための加熱手段とを備えたシール装置であって、 前記一対のジョーに加えられる荷重を、前記第１状態か
ら前記第２状態への移行過程で測定可能な荷重測定手段
と、前記シール時の前記荷重測定値を転送するデータ転
送手段とを有するシール装置。1. A pair of jaws capable of changing a relative position between a first state in which a material to be sealed can be arranged at a distance from one another and a second state in which the material to be sealed is sandwiched close to each other. A seal comprising: a pressurizing mechanism for pressing the pair of jaws together; and a heating means for heating the material to be sealed sandwiched between the pair of jaws by the pressurizing mechanism. An apparatus, comprising: a load measuring unit capable of measuring a load applied to the pair of jaws in a transition process from the first state to the second state; and a data transfer that transfers the load measurement value at the time of sealing. And a sealing device. 【請求項２】 前記データ転送手段から転送される前記
荷重測定値を処理するデータ処理手段と、データ処理手
段によって処理された前記荷重測定値を、シール時に材
料に加えられたシール圧力として出力する出力手段とが
設けられている請求項１に記載のシール装置。2. A data processing means for processing the load measurement value transferred from the data transfer means, and outputting the load measurement value processed by the data processing means as a sealing pressure applied to a material at the time of sealing. The sealing device according to claim 1, further comprising an output unit. 【請求項３】 前記出力手段が、前記荷重測定値を、前
記シールに用いられた包装材料の表面に印字する請求項
２に記載のシール装置。3. The sealing device according to claim 2, wherein the output means prints the measured load value on a surface of the packaging material used for the seal. 【請求項４】 前記出力手段が、予め設定された合格範
囲の値から外れた規格外の荷重測定値を、規格内の荷重
測定値とは異なった出力方法で出力する請求項２または
３に記載のシール装置。4. The method according to claim 2, wherein said output means outputs a nonstandard load measurement value deviating from a predetermined acceptable range value by an output method different from the standard load measurement value. The sealing device as described. 【請求項５】 前記出力手段は、前記規格外の荷重測定
値を、規格内の荷重測定値とは異なった色で印刷する請
求項４に記載のシール装置。5. The seal device according to claim 4, wherein the output unit prints the non-standardized load measurement value in a color different from the non-standardized load measurement value. 【請求項６】 前記加圧機構は、前記荷重測定手段を介
して前記一対のジョーどうしを押し付ける請求項１から
５のいずれか１項に記載のシール装置。6. The sealing device according to claim 1, wherein the pressing mechanism presses the pair of jaws through the load measuring unit. 【請求項７】 前記一対のジョーの少なくとも一方に前
記材料の温度を測定する温度検出手段が設けられてお
り、前記加熱手段の駆動停止後、前記温度検出手段が設
定温度を下回る値を検出した時に、前記一対のジョーを
前記第１状態に復帰させる冷却判定手段が設けられてお
り、前記出力手段は、荷重測定値とは別に、前記復帰時
における前記温度検出値を出力する請求項１から６のい
ずれか１項に記載のシール装置。7. A temperature detecting means for measuring a temperature of the material is provided on at least one of the pair of jaws, and after the driving of the heating means is stopped, the temperature detecting means detects a value lower than a set temperature. A cooling determination unit that returns the pair of jaws to the first state at an occasion, and the output unit outputs the temperature detection value at the time of the return, separately from a load measurement value. 7. The sealing device according to any one of 6.
JP9178267A 1997-07-03 1997-07-03 Sealing device Expired - Fee Related JP3072272B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9178267A JP3072272B2 (en) 1997-07-03 1997-07-03 Sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9178267A JP3072272B2 (en) 1997-07-03 1997-07-03 Sealing device

Publications (2)

Publication Number Publication Date
JPH1120810A JPH1120810A (en) 1999-01-26
JP3072272B2 true JP3072272B2 (en) 2000-07-31

Family

ID=16045504

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9178267A Expired - Fee Related JP3072272B2 (en) 1997-07-03 1997-07-03 Sealing device

Country Status (1)

Country Link
JP (1) JP3072272B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4956103B2 (en) * 2005-12-01 2012-06-20 富士インパルス株式会社 Heat sealing equipment
KR100799926B1 (en) 2006-12-11 2008-01-31 (주) 가성팩 Heat seal
JP5995530B2 (en) * 2011-07-20 2016-09-21 富士インパルス株式会社 Sealing device

Also Published As

Publication number Publication date
JPH1120810A (en) 1999-01-26

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