JPH0780244B2 - Plastic film heat seal line forming device - Google Patents
Plastic film heat seal line forming deviceInfo
- Publication number
- JPH0780244B2 JPH0780244B2 JP3703887A JP3703887A JPH0780244B2 JP H0780244 B2 JPH0780244 B2 JP H0780244B2 JP 3703887 A JP3703887 A JP 3703887A JP 3703887 A JP3703887 A JP 3703887A JP H0780244 B2 JPH0780244 B2 JP H0780244B2
- Authority
- JP
- Japan
- Prior art keywords
- plastic film
- heater
- heat
- pressing member
- feeding direction
- 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 - Lifetime
Links
- 239000002985 plastic film Substances 0.000 title claims description 85
- 229920006255 plastic film Polymers 0.000 title claims description 85
- 238000003825 pressing Methods 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 21
- 230000001771 impaired effect Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000037303 wrinkles Effects 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
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
- B29C66/01—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
- 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
-
- 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
- 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
- B29C65/228—Heated wire resistive ribbon, resistive band or resistive strip characterised by the means for electrically connecting the ends of said heated wire, resistive ribbon, resistive band or 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
- 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
- B29C65/229—Heated wire resistive ribbon, resistive band or resistive strip characterised by the means for tensioning said heated wire, resistive ribbon, resistive band or 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
- B29C66/01—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
- B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
- B29C66/135—Single hemmed joints, i.e. one of the parts to be joined being hemmed in the joint area
-
- 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
- B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
- B29C66/135—Single hemmed joints, i.e. one of the parts to be joined being hemmed in the joint area
- B29C66/1352—Single hem to hem 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
- B29C66/343—Making tension-free or wrinkle-free joints
- B29C66/3432—Making tension-free or wrinkle-free joints by holding the material loose or tension-free during joining
-
- 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
-
- 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
-
- 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
- B29C66/8182—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 thermal insulating constructional aspects
- B29C66/81821—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 thermal 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
- B29C66/84—Specific machine types or machines suitable for specific applications
- B29C66/851—Bag or container making machines
- B29C66/8511—Bag making 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
- B29C66/81—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
- B29C66/83—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
- B29C66/8322—Joining or pressing tools reciprocating along 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
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
- B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
- B29C66/83411—Roller, cylinder or drum types
- B29C66/83415—Roller, cylinder or drum types the contact angle between said rollers, cylinders or drums and said parts to be joined being a non-zero angle
-
- 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
- B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
-
- 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
-
- 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
- B29L2031/7129—Bags, sacks, sachets open
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Making Paper Articles (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 この発明は、プラスチックフイルムを所定方向に送り、
これを所定位置で連続ヒートシールし、プラスチックフ
イルムにその送り方向にのびるヒートシール線を形成す
るヒートシール線形成装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to feeding a plastic film in a predetermined direction,
The present invention relates to a heat-sealing wire forming device for continuously heat-sealing this at a predetermined position to form a heat-sealing wire extending in the feeding direction on a plastic film.
従来技術の構成とその問題点 たとえば、第６図および第７図に示すように、プラスチ
ック製手提げ袋として、二重構造の補強開口部に手提げ
孔（Ａ）を設けたものが使用されている。この手提げ袋
を製造するには、半筒状プラスチックフイルム（Ｆ）の
両縁を折り曲げ、一対の折曲フラップ（F1）、（F2）を
形成し、二重構造の補強開口部を形成する。そして、プ
ラスチックフイルム（Ｆ）をその長さ方向（Ｘ）に送
り、折曲フラップ（F1）、（F2）を所定位置で連続ヒー
トシールし、折曲フラップ（F1）、（F2）にその送り方
向（Ｘ）にのびるヒートシール線（Ｓ）を形成すればよ
い。その後、半筒状プラスチックフイルム（Ｆ）を所定
幅（Ｗ）をもって溶断し、ヒートシールするとともに、
各折曲フラップ（F1）、（F2）の位置に手提げ孔（Ａ）
を形成すると、第６図の手提げ袋を得ることができる。Structure of the Prior Art and Problems Thereof For example, as shown in FIGS. 6 and 7, a plastic bag having a double-structured reinforcing opening with a bag hole (A) is used. In order to manufacture this carrying bag, both edges of the semi-cylindrical plastic film (F) are folded to form a pair of folding flaps (F 1 ) and (F 2 ) to form a double structure reinforcing opening. . Then, the plastic film (F) is fed in its length direction (X), and the folding flaps (F 1 ) and (F 2 ) are continuously heat-sealed at predetermined positions, and the folding flaps (F 1 ) and (F 2 ) ), A heat seal line (S) extending in the feeding direction (X) may be formed. After that, the semi-cylindrical plastic film (F) is fused with a predetermined width (W), heat-sealed, and
Handhold holes (A) at the position of each folding flap (F 1 ) and (F 2 ).
When the bag is formed, the handbag shown in FIG. 6 can be obtained.
この他、第８図に示すように、１枚のプラスチックフイ
ルム（Ｆ）の端縁を折り曲げ、その折曲フラップ（F0）
を所定位置で連続ヒートシールし、折曲フラップ（F0）
にその送り方向（Ｘ）にのびるヒートシール線（Ｓ）を
形成することも多い。第９図に示すように、２枚のプラ
スチックフイルム（Ｆ）を互いに重ね合わせ、これを所
定位置で連続ヒートシールし、プラスチックフイルム
（Ｆ）にその送り方向（Ｘ）にのびるヒートシール線
（Ｓ）を形成することもある。In addition, as shown in FIG. 8, the edge of one plastic film (F) is bent and the folded flap (F 0 )
Is continuously heat-sealed at a predetermined position, and the flap is folded (F 0 ).
In many cases, a heat seal line (S) extending in the feeding direction (X) is also formed on the surface. As shown in FIG. 9, two plastic films (F) are superposed on each other and continuously heat-sealed at a predetermined position, and a heat-sealing line (S) extending to the plastic film (F) in the feeding direction (X) is formed. ) May be formed.
ところで、最近、この種のヒートシール線形成工程にお
いて、所定長さのリボンヒータまたはワイヤヒータが使
用されている。プラスチックフイルムにその送り方向に
のびるヒートシール線を形成するには、リボンヒータま
たはワイヤヒータをプラスチックフイルムの送り経路に
設け、その送り方向にのびるよう配置する。そして、適
当な接触圧でプラスチックフイルムとヒータを接触させ
ると、ヒータによってプラスチックフイルムが加熱さ
れ、プラスチックフイルムを所定位置で連続ヒートシー
ルし、プラスチックフイルムにその送り方向にのびるヒ
ートシール線を形成することができる。By the way, recently, a ribbon heater or a wire heater having a predetermined length is used in this type of heat seal wire forming step. To form a heat-sealing line extending in the feeding direction on the plastic film, a ribbon heater or a wire heater is provided in the feeding path of the plastic film and arranged so as to extend in the feeding direction. When the heater and the plastic film are brought into contact with each other with an appropriate contact pressure, the heater heats the plastic film and continuously heat seals the plastic film at a predetermined position to form a heat seal line extending in the feeding direction on the plastic film. You can
しかしながら、従来はヒートシール線付近の外観および
シール強度に問題があった。これまで、リボンヒータま
たはワイヤヒータを使用するとき、プラスチックフイル
ムに所定のテンションを加え、テンションによってプラ
スチックフイルムとヒータを接触させていたが、テンシ
ョンを加えると、プラスチックフイルムがある程度引き
伸ばされるのはさけられない。したがって、プラスチッ
クフイルムが引き伸ばされた状態で連続ヒートシールさ
れる。その後、プラスチックフイルムがそのまま硬化す
る。このため、ヒートシール線付近のしわが生じ、その
外観が損なわれるとともに、高いシール強度を得ること
ができないという問題があったものである。However, conventionally, there has been a problem in the appearance and seal strength near the heat seal line. Up to now, when using a ribbon heater or a wire heater, a predetermined tension was applied to the plastic film, and the plastic film and the heater were brought into contact with each other by the tension, but when the tension is applied, the plastic film should be stretched to some extent. . Therefore, the plastic film is continuously heat-sealed in the stretched state. After that, the plastic film is cured as it is. Therefore, there is a problem that wrinkles occur near the heat seal line, the appearance is impaired, and high seal strength cannot be obtained.
発明の目的 したがって、この発明は、リボンヒータまたはワイヤヒ
ータを使用したプラスチックフイルムのヒートシール線
形成装置において、ヒートシール線付近の外観が損なわ
れず、高いシール強度が得られるようにすることを目的
としてなされたものである。SUMMARY OF THE INVENTION Therefore, the object of the present invention is to provide a plastic film heat-sealing wire forming apparatus using a ribbon heater or a wire heater so as to obtain a high sealing strength without impairing the appearance in the vicinity of the heat-sealing wire. It is a thing.
発明の構成と作用 この発明によれば、プラスチックフィルムを所定方向に
送り、これを所定位置で連続ヒートシールし、前記プラ
スチックフィルムにその送り方向にのびるヒートシール
線を形成するための装置であって、 前記プラスチックフィルムの下側に設けられ、前記プラ
スチックフィルムの送り方向にのびる所定長さのリボン
ヒータまたはワイヤヒータと、 前記ヒータと対応する長さを有し、前記プラスチックフ
ィルムの上側に設けられ、前記ヒータと対向するよう配
置された押さえ部材と、 前記押さえ部材を上下動可能に支持し、前記押さえ部材
と前記プラスチックフィルムが実質上前記押さえ部材の
全長にわたって接触し、前記プラスチックフィルムに前
記押さえ部材の自重が作用し、前記押さえ部材によって
前記プラスチックフィルムが押えられ、前記プラスチッ
クフィルムと前記ヒータが実質上前記ヒータの全長にわ
たって接触するようにする押え部材支持機構とからなる
プラスチックフィルムのヒートシール線形成装置が提供
される。According to the present invention, a device for feeding a plastic film in a predetermined direction, continuously heat-sealing this at a predetermined position, and forming a heat-sealing wire extending in the feeding direction on the plastic film is provided. Provided on the lower side of the plastic film, a ribbon heater or wire heater of a predetermined length extending in the feeding direction of the plastic film, and having a length corresponding to the heater, provided on the upper side of the plastic film, A pressing member arranged so as to face the heater, supports the pressing member in a vertically movable manner, the pressing member and the plastic film are in contact with each other over substantially the entire length of the pressing member, and the pressing member is attached to the plastic film. Due to its own weight, the pressing member causes the plastic There is provided a plastic film heat-sealing wire forming device comprising a film and a pressing member supporting mechanism that holds the plastic film and the heater in contact with each other over substantially the entire length of the heater.
実施例の説明 以下、この発明の実施例を説明する。第１図はこの発明
の実施例を示す。この装置は第７図のプラスチックフイ
ルム（Ｆ）の両縁を折り曲げ、その折曲フラップ
（F1）、（F2）を所定位置で連続ヒートシールするよう
にしたもので、上下一対のリボンヒータまたはワイヤヒ
ータ（1H）、（1L）を有する。ヒータ（1H）、（1L）は
所定長さのものである。プラスチックフイルム（Ｆ）は
所定方向（Ｘ）に送られ、ガイドローラ（２）からヒー
タ（1H）およびガイドローラ（３）に導かれる。その
後、ガイドローラ（３）によってプラスチックフィルム
（Ｆ）の送り方向（Ｘ）が転換され、プラスチックフイ
ルム（Ｆ）はヒータ（1L）およびガイドローラ（４）に
導かれる。ヒータ（1H）はプラスチックフイルム（Ｆ）
の下側に設けられ、ヒータ（1L）もプラスチックフイル
ム（Ｆ）の下側に設けられている。さらに、ヒータ（1
H）、（1L）はプラスチックフイルム（Ｆ）の送り方向
（Ｘ）にのびるよう配置され、プラスチックフイルム
（Ｆ）の送り方向（Ｘ）に沿って傾斜している。さら
に、ヒータ（1H）、（1L）はプラスチックフイルム
（Ｆ）の折曲フラップ（F1）、（F2）と対向するよう配
置されており、ヒータ（1H）が一方の折曲フラップ
（F1）と対向し、ヒータ（1L）は他方の折曲フラップ
（F2）と対向するよう配置されている。Description of Embodiments Hereinafter, embodiments of the present invention will be described. FIG. 1 shows an embodiment of the present invention. This device is one in which both edges of the plastic film (F) shown in FIG. 7 are bent and the bent flaps (F 1 ) and (F 2 ) are continuously heat-sealed at predetermined positions. Or it has wire heaters (1H) and (1L). The heaters (1H) and (1L) have a predetermined length. The plastic film (F) is sent in a predetermined direction (X) and guided from the guide roller (2) to the heater (1H) and the guide roller (3). After that, the feed direction (X) of the plastic film (F) is changed by the guide roller (3), and the plastic film (F) is guided to the heater (1L) and the guide roller (4). The heater (1H) is a plastic film (F)
And the heater (1L) is also provided below the plastic film (F). In addition, the heater (1
H) and (1L) are arranged so as to extend in the feeding direction (X) of the plastic film (F) and are inclined along the feeding direction (X) of the plastic film (F). Further, the heaters (1H) and (1L) are arranged so as to face the folding flaps (F 1 ) and (F 2 ) of the plastic film (F), and the heater (1H) is arranged on one folding flap (F). 1 ), the heater (1L) is arranged so as to face the other folding flap (F 2 ).
第２図および第３図に示すように、ヒータ（1H）、（1
L）はテフロンシートなどの断熱絶縁材（５）で被覆さ
れ、本体（６）に取り付けられ、可動端子（７）および
絶縁端子（８）に接続されている。可動端子（７）は本
体（６）の一端に取り付けられ、その支軸（９）に支持
され、揺動可能に案内されている。絶縁端子（８）は本
体（６）の他端に取り付けられ、固定されている。そし
て、本体（６）と可動端子（７）間に圧縮スプリング
（10）が設けられ、スプリング（10）によって可動端子
（７）が弾性付勢されており、ヒータ（1H）、（1L）の
緊張状態が保たれている。As shown in FIGS. 2 and 3, heaters (1H), (1
L) is covered with a heat insulating insulating material (5) such as a Teflon sheet, attached to the main body (6), and connected to the movable terminal (7) and the insulating terminal (8). The movable terminal (7) is attached to one end of the main body (6), is supported by its support shaft (9), and is swingably guided. The insulating terminal (8) is attached and fixed to the other end of the body (6). A compression spring (10) is provided between the main body (6) and the movable terminal (7), and the movable terminal (7) is elastically urged by the spring (10) so that the heater (1H), (1L) I am nervous.
さらに、この装置は上下一対の押え部材（11H）、（11
L）を有する。押え部材（11H）、（11L）はヒータ（1
H）、（1L）と対応する長さのもので、プラスチックフ
イルム（Ｆ）の折曲フラップ（F1）、（F2）間に挿入さ
れ、ヒータ（1H）、（1L）と対向するよう配置されてい
る。言い換えると、プラスチックフイルム（Ｆ）の折曲
プラップ（F1）、（F2）がヒータ（1H）、（1L）と押え
部材（11H）、（11L）間に導入され、その導入プラスチ
ックフイルム（Ｆ）の下側にヒータ（1H）、（1L）が設
けられ、導入プラスチックフイルム（Ｆ）の上側に押え
部材（11H）、（11L）が設けられているものである。Furthermore, this device has a pair of upper and lower holding members (11H), (11H).
L). The holding members (11H) and (11L) are heaters (1
H), (1L) corresponding length, inserted between the folding flaps (F 1 ) and (F 2 ) of the plastic film (F) so that it faces the heaters (1H) and (1L). It is arranged. In other words, the folding flaps (F 1 ) and (F 2 ) of the plastic film (F) are introduced between the heaters (1H) and (1L) and the pressing members (11H) and (11L), and the plastic film (F) is introduced. Heaters (1H) and (1L) are provided on the lower side of F), and holding members (11H) and (11L) are provided on the upper side of the introduced plastic film (F).
押え部材（11H）、（11L）は平板状のもので、シリコン
ラバーなどの弾性材（12）を有し、弾性材（12）は押え
部材（11H）、（11L）の下面に張り付けられ、テフロン
シートなどの断熱絶縁材（５）で被覆されている。さら
に、第４図に示すように、ブラケット（13）がプラスチ
ックフイルム（Ｆ）の折曲フラップ（F1）、（F2）間に
挿入され、押え部材（11H）、（11L）の一端がリンク
（14）に連結され、ブラケット（13）に連結されてい
る。そして、リンク（14）によって押え部材（11H）、
（11L）の上下動が許容され、押え部材（11H）、（11
L）は上下動可能に支持されている。The pressing members (11H), (11L) are flat plates, and have an elastic material (12) such as silicon rubber. The elastic material (12) is attached to the lower surfaces of the pressing members (11H), (11L), It is covered with a heat insulating material (5) such as a Teflon sheet. Further, as shown in FIG. 4, the bracket (13) is inserted between the folding flaps (F 1 ) and (F 2 ) of the plastic film (F), and one end of the pressing members (11H) and (11L) is attached. It is connected to the link (14) and is connected to the bracket (13). Then, by the link (14), the pressing member (11H),
Vertical movement of (11L) is allowed, and pressing members (11H), (11
L) is supported so that it can move up and down.
前記のように構成されたヒートシール線形成装置におい
て、プラスチックフイルム（Ｆ）は所定方向（Ｘ）に送
られ、ヒータ（1H）、（1L）の長さ方向に送られる。そ
して、その一方の折曲フラップ（F1）がヒータ（1H）と
押え部材（11H）間に導入される。押え部材（11H）につ
いては、リンク（14）によって押え部材（11H）の上下
動が許容され、押え部材（11H）が上下動可能に支持さ
れており、折曲フラップ（F1）は押え部材（11）の自重
を受ける。したがって、押え部材（11）によってプラス
チックフイルム（Ｆ）とヒータ（1H）を接触させること
ができる。折曲フラップ（F1）はヒータ（1H）と確実に
接触し、ヒータ（1H）の全長にわたって接触する。した
がって、ヒータ（1H）によって折曲フラップ（F1）が加
熱され、折曲フラップ（F1）が所定位置で連続ヒートシ
ールされる。したがって、折曲フラップ（F1）にその送
り方向（Ｘ）にのびるヒートシール線（Ｓ）が形成され
る。In the heat-sealing wire forming device configured as described above, the plastic film (F) is sent in the predetermined direction (X) and is sent in the length direction of the heaters (1H) and (1L). Then, one of the folding flaps (F 1 ) is introduced between the heater (1H) and the pressing member (11H). Regarding the holding member (11H), the link (14) allows the holding member (11H) to move up and down, and the holding member (11H) is supported so that it can move up and down. The folding flap (F 1 ) is held by the holding member. Receive the weight of (11). Therefore, the pressing member (11) can bring the plastic film (F) into contact with the heater (1H). The folding flap (F 1 ) is in firm contact with the heater (1H) and over the entire length of the heater (1H). Thus, folding the flap (F 1) is heated by a heater (IH), folding the flap (F 1) is continuously heat-sealed at a predetermined position. Therefore, a heat seal line (S) extending in the feeding direction (X) is formed on the folding flap (F 1 ).
その後、ガイドローラ（３）によってプラスチックフイ
ルム（Ｆ）の送り方向（Ｘ）が転換され、他方の折曲フ
ラップ（F2）がヒータ（1L）と押え部材（11L）間に導
入され、押え部材（11L）の自重を受ける。したがっ
て、押え部材（11L）によってプラスチックフイルム
（Ｆ）とヒータ（1L）を接触させることができ、折曲フ
ラップ（F2）はヒータ（1L）と確実に接触し、ヒータ
（1L）の全長にわたって接触する。したがって、ヒータ
（1L）によって折曲フラップ（F2）が加熱され、折曲フ
ラップ（F2）が所定位置で連続ヒートシールされる。し
たがって、折曲フラップ（F2）にその送り方向（Ｘ）に
のびるヒートシール線（Ｓ）が形成される。After that, the feed direction (X) of the plastic film (F) is changed by the guide roller (3), and the other folding flap (F 2 ) is introduced between the heater (1L) and the pressing member (11L), and the pressing member is pressed. Receives the weight of (11L). Therefore, the plastic film (F) and the heater (1L) can be brought into contact with each other by the pressing member (11L), and the bent flap (F 2 ) is surely brought into contact with the heater (1L), so that the length of the heater (1L) is extended. Contact. Thus, the heated folding flap (F 2) by a heater (1L), folding the flap (F 2) is continuously heat-sealed at a predetermined position. Therefore, a heat seal line (S) extending in the feeding direction (X) is formed on the folding flap (F 2 ).
その後、このプラスチックフイルム（Ｆ）が所定幅
（Ｗ）をもって溶断され、ヒートシールされる。さら
に、各折曲フラップ（F1）、（F2）の位置に手提げ孔
（Ａ）が形成される。したがって、第６図の手提げ袋を
得ることができる。Then, the plastic film (F) is melt-cut with a predetermined width (W) and heat-sealed. Further, a handhold hole (A) is formed at the position of each folding flap (F 1 ) and (F 2 ). Therefore, the handbag shown in FIG. 6 can be obtained.
したがって、この装置の場合、押え部材（11H）、（11
L）によってプラスチックフイルム（Ｆ）とヒータ（1
H）、（1L）を接触させることができ、プラスチックフ
イルム（Ｆ）に所定のテンションを加える必要はない。
したがって、前記従来と異なり、プラスチックフイルム
（Ｆ）はほとんど引ひ伸ばされない。したがって、プラ
スチックフイルム（Ｆ）のヒートシールおよび硬化後、
ヒートシール線（Ｓ）付近のしわが生じず、その外観は
損なわれない。高いシール強度を得ることもできる。Therefore, in the case of this device, the pressing members (11H), (11H
L) by plastic film (F) and heater (1
H) and (1L) can be brought into contact with each other, and it is not necessary to apply a predetermined tension to the plastic film (F).
Therefore, unlike the above-mentioned conventional method, the plastic film (F) is hardly stretched. Therefore, after heat-sealing and curing the plastic film (F),
Wrinkles do not occur near the heat seal line (S), and its appearance is not impaired. High sealing strength can also be obtained.
なお、この実施例では、ヒータ（1H）、（1L）を傾斜さ
せたものを説明したが、必ずしもその必要はない。場合
によっては、第５図に示すように、ヒータ（1H）、（1
L）および押え部材（11H）、（11L）を水平に配置して
もよい。さらに、第８図に示すように、１枚のプラスチ
ックフイルム（Ｆ）の端縁を折り曲げ、その折曲フラッ
プ（F0）を所定位置でヒートシールし、折曲フラップ
（F0）にその送り方向（Ｘ）にのびるヒートシール線
（Ｓ）を形成することもできる。第９図に示すように、
２枚のプラスチッフイルム（Ｆ）を互いに重ね合わせ、
これを所定位置でヒートシールし、プラスチックフイル
ム（Ｆ）にその送り方向（Ｘ）にのびるヒートシール線
（Ｓ）を形成することもできる。要するに、所定長さの
リボンヒータまたはワイヤヒータ（1H）、（1L）をプラ
スチックフイルム（Ｆ）の下側に設け、ヒータ（1H）、
（1L）をプラスチックフイルム（Ｆ）の送り方向（Ｘ）
にのびるよう配置する。さらに、ヒータ（1H）、（1L）
と対応する長さの押え部材（11H）、（11L）をプラスチ
ックフイルム（Ｆ）の上側に設け、押え部材（11H）、
（11L）をヒータ（1H）、（1L）と対向するよう配置す
る。そして、押え部材（11H）、（11L）を上下動可能に
支持すると、押え部材（11H）、（11L）によってプラス
チックフイルム（Ｆ）とヒータ（1H）、（1L）を接触さ
せることができ、同様の作用効果を得ることができるも
のである。Although the heaters (1H) and (1L) are inclined in this embodiment, they are not always necessary. Depending on the case, as shown in FIG. 5, heaters (1H), (1
L) and the pressing members (11H) and (11L) may be arranged horizontally. Further, as shown in FIG. 8, the edge of one plastic film (F) is bent, and the bent flap (F 0 ) is heat-sealed at a predetermined position, and the bent flap (F 0 ) is fed to the bent flap (F 0 ). It is also possible to form a heat-sealing line (S) extending in the direction (X). As shown in FIG.
Put two plastic films (F) on top of each other,
It is also possible to heat seal this at a predetermined position and form a heat seal line (S) extending in the feeding direction (X) on the plastic film (F). In short, a ribbon heater or wire heater (1H), (1L) of a predetermined length is provided below the plastic film (F), and the heater (1H),
Feeding direction (X) of plastic film (F) to (1L)
Arrange to extend. Furthermore, heaters (1H), (1L)
The holding members (11H) and (11L) having the lengths corresponding to the above are provided on the upper side of the plastic film (F),
(11L) is arranged so as to face the heaters (1H) and (1L). When the pressing members (11H) and (11L) are supported so as to be movable up and down, the pressing members (11H) and (11L) can bring the plastic film (F) into contact with the heaters (1H) and (1L). The same effect can be obtained.
発明の効果 以上説明したように、この発明によれば、リボンヒータ
またはワイヤヒータ（1H），（1L）がプラスチックフィ
ルム（Ｆ）の下側に設けられる。ヒータ（1H），（1L）
は所定長さのもので、プラスチックフィルム（Ｆ）の送
り方向（Ｘ）にのびる。したがって、プラスチックフィ
ルム（Ｆ）をヒータ（1H），（1L）に接触させ、その状
態でプラスチックフィルム（Ｆ）を送ると、ヒータ（1
H），（1L）によってプラスチックフィルム（Ｆ）を加
熱し、連続ヒートシールすることができ、プラスチック
フィルム（Ｆ）にその送り方向（Ｘ）にのびるヒートシ
ール線（Ｓ）を形成することができる。EFFECTS OF THE INVENTION As described above, according to the present invention, the ribbon heater or the wire heaters (1H) and (1L) are provided below the plastic film (F). Heater (1H), (1L)
Has a predetermined length and extends in the feeding direction (X) of the plastic film (F). Therefore, when the plastic film (F) is brought into contact with the heaters (1H) and (1L) and the plastic film (F) is fed in that state, the heater (1)
The plastic film (F) can be heated and continuously heat-sealed by H) and (1L), and the heat-sealing line (S) extending in the feeding direction (X) can be formed on the plastic film (F). .
さらに、この発明によれば、押さえ部材（11H），（11
L）がプラスチックフィルム（Ｆ）の上側に設けられ
る。押さえ部材（11H），（11L）はヒータ（1H），（1
L）と対応する長さのもので、ヒータ（1H），（1L）と
対向するよう配置される。さらに、押さえ部材支持機
構、たとえばブラケット（13）およびリンク（14）によ
り、押さえ部材（11H）、（11L）が上下動可能に支持さ
れ、押さえ部材（11H）、（11L）とプラスチックフィル
ム（Ｆ）が実質上押さえ部材（11H），（11L）の全長に
わたって接触する。したがって、プラスチックフィルム
（Ｆ）に押さえ部材（11H），（11L）の自重が作用し、
押さえ部材（11H），（11L）によってプラスチックフィ
ルム（Ｆ）が押さえられ、プラスチックフィルム（Ｆ）
とヒータ（1H），（1L）が実質上ヒータ（1H），（1L）
の全長にわたって接触する。したがって、プラスチック
フィルム（Ｆ）を確実に、的確に連続シートシールする
ことができる。しかも、従来のように、プラスチックフ
ィルム（Ｆ）に所定のテンションを加え、テンションに
よってプラスチックフィルム（Ｆ）とヒータ（1H），
（1L）を接触させる必要はなく、ヒートシール線（Ｓ）
付近にしわが生じず、その外観が損なわれず、高いシー
ル強度を得ることができる。Further, according to the present invention, the pressing members (11H), (11H
L) is provided on the upper side of the plastic film (F). Presser members (11H) and (11L) are heaters (1H) and (1
It has a length corresponding to L) and is arranged so as to face the heaters (1H) and (1L). Further, the pressing member supporting mechanism, for example, the bracket (13) and the link (14), support the pressing members (11H) and (11L) so as to be movable up and down, and the pressing members (11H) and (11L) and the plastic film (F). ) Substantially contacts the entire length of the pressing members (11H) and (11L). Therefore, the weight of the pressing members (11H) and (11L) acts on the plastic film (F),
The plastic film (F) is pressed by the pressing members (11H) and (11L), and the plastic film (F)
And heaters (1H), (1L) are effectively heaters (1H), (1L)
Contact over the entire length of. Therefore, the plastic film (F) can be reliably and accurately subjected to continuous sheet sealing. Moreover, as in the conventional method, a predetermined tension is applied to the plastic film (F), and the tension causes the plastic film (F) and the heater (1H),
No need to contact (1L), heat seal wire (S)
Wrinkles do not occur in the vicinity, the appearance is not impaired, and high seal strength can be obtained.
第１図はこの発明の実施例を示す側面図、第２図は第１
図のヒータの拡大図、第３図は第１図のIII−III線断面
図、第４図は第１図の押え部材、リンクおよびブラケッ
トの平面図、第５図は第１図の変形例を示す側面図、第
６図はプラスチック製手提げ袋の斜視図、第７図は第６
図の手提げ袋の製造工程を示す説明図、第８図および第
９図は他のプラスチックフイルムのヒートシール線形成
工程を示す説明図である。 （1H）、（1L）……ヒータ （11H）、（11L）……押え部材 （14）……リンク （Ｆ）……プラスチックフイルム （Ｘ）……送り方向 （Ｓ）……ヒートシール線FIG. 1 is a side view showing an embodiment of the present invention, and FIG.
FIG. 3 is an enlarged view of the heater shown in FIG. 3, FIG. 3 is a sectional view taken along line III-III of FIG. 1, FIG. 4 is a plan view of the holding member, link and bracket of FIG. 1, and FIG. 5 is a modification of FIG. 6 is a perspective view of a plastic carrying bag, and FIG.
FIG. 8 is an explanatory view showing the manufacturing process of the handbag shown in FIG. 8, and FIGS. 8 and 9 are explanatory views showing the heat-sealing line forming process of another plastic film. (1H), (1L) …… Heater (11H), (11L) …… Presser member (14) …… Link (F) …… Plastic film (X) …… Feeding direction (S) …… Heat seal line
Claims (1)
これを所定位置で連続ヒートシールし、前記プラスチッ
クフィルムにその送り方向にのびるヒートシール線を形
成するための装置であって、 前記プラスチックフィルムの下側に設けられ、前記プラ
スチックフィルムの送り方向にのびる所定長さのリボン
ヒータまたはワイヤヒータと、 前記ヒータと対応する長さを有し、前記プラスチックフ
ィルムの上側に設けられ、前記ヒータと対向するよう配
置された押さえ部材と、 前記押さえ部材を上下動可能に支持し、前記押さえ部材
と前記プラスチックフィルムが実質上前記押さえ部材の
全長にわたって接触し、前記プラスチックフィルムに前
記押さえ部材の自重が作用し、前記押さえ部材によって
前記プラスチックフィルムが押えられ、前記プラスチッ
クフィルムと前記ヒータが実質上前記ヒータの全長にわ
たって接触するようにする押え部材支持機構とからなる
プラスチックフィルムのヒートシール線形成装置。1. A plastic film is fed in a predetermined direction,
A device for continuously heat-sealing this at a predetermined position to form a heat-sealing line extending in the feeding direction on the plastic film, the device being provided below the plastic film and extending in the feeding direction of the plastic film. A ribbon heater or a wire heater having a predetermined length, a holding member that has a length corresponding to the heater, is provided on the upper side of the plastic film, and is arranged to face the heater, and the holding member can be moved up and down. The pressing member and the plastic film are in contact with each other over substantially the entire length of the pressing member, the weight of the pressing member acts on the plastic film, and the plastic film is pressed by the pressing member. And the heater is substantially Hot sealing line forming apparatus of a plastic film composed of a pressing member supporting mechanism to be in contact over the entire length of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3703887A JPH0780244B2 (en) | 1987-02-19 | 1987-02-19 | Plastic film heat seal line forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3703887A JPH0780244B2 (en) | 1987-02-19 | 1987-02-19 | Plastic film heat seal line forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63203320A JPS63203320A (en) | 1988-08-23 |
| JPH0780244B2 true JPH0780244B2 (en) | 1995-08-30 |
Family
ID=12486445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3703887A Expired - Lifetime JPH0780244B2 (en) | 1987-02-19 | 1987-02-19 | Plastic film heat seal line forming device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0780244B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7237591B2 (en) | 2016-03-30 | 2023-03-13 | プレジス イノベーティブ パッケージング エルエルシー | protective packaging forming equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5214867U (en) * | 1975-07-17 | 1977-02-02 |
-
1987
- 1987-02-19 JP JP3703887A patent/JPH0780244B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63203320A (en) | 1988-08-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |