JPH0661845B2 - Medical container, mold for manufacturing medical container, and method for manufacturing medical container - Google Patents
Medical container, mold for manufacturing medical container, and method for manufacturing medical containerInfo
- Publication number
- JPH0661845B2 JPH0661845B2 JP2324853A JP32485390A JPH0661845B2 JP H0661845 B2 JPH0661845 B2 JP H0661845B2 JP 2324853 A JP2324853 A JP 2324853A JP 32485390 A JP32485390 A JP 32485390A JP H0661845 B2 JPH0661845 B2 JP H0661845B2
- Authority
- JP
- Japan
- Prior art keywords
- medical container
- mold
- manufacturing
- inflation tube
- tube
- 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
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
- 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
-
- 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
- B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
- B29C66/328—Leaving the burrs unchanged for providing particular properties to the joint, e.g. as decorative effect
- B29C66/3282—Leaving the burrs unchanged for providing particular properties to the joint, e.g. as decorative effect for reinforcing the joint
-
- 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
- B29C66/346—Making joints having variable thicknesses in the joint area, e.g. by using jaws having an adapted configuration
-
- 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
-
- 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
- B29C66/8141—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81411—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
- B29C66/81415—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled
- B29C66/81419—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled and flat
-
- 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
- B29C66/8141—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81411—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
- B29C66/81425—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being stepped, e.g. comprising a shoulder
-
- 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
- B29C66/8141—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81427—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
-
- 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
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
- B29C66/5326—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially flat
- B29C66/53261—Enclosing tubular articles between substantially flat elements
- B29C66/53262—Enclosing spouts between the walls of bags, e.g. of medical 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
- B29C66/70—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
- B29C66/71—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 composition of the plastics material 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
- B29C66/80—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
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7148—Blood bags, medical bags
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Medical Preparation Storing Or Oral Administration Devices (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］ 本発明は、インフレーションチューブより製造される医
療容器と該医療容器の製造金型および医療容器の製造方
法に関するもので、特に溶着部を強固にシールした医療
容器および溶着部を強固にシールするための医療容器の
製造金型および医療容器の製造方法を提供するものであ
る。Description: TECHNICAL FIELD The present invention relates to a medical container manufactured from an inflation tube, a mold for manufacturing the medical container, and a method for manufacturing the medical container. (EN) Provided are a mold for manufacturing a sealed medical container and a medical container for firmly sealing the welded part, and a method for manufacturing the medical container.
［従来技術及び従来技術の課題］ 現在ポリオレフィン系合成樹脂等のインフレーションチ
ューブで薬液容器等の医療容器を製袋する場合、ヒート
シールや超音波溶着で実施されている。[Prior Art and Problems of Prior Art] Currently, when a medical container such as a drug solution container is made into a bag with an inflation tube made of a polyolefin-based synthetic resin or the like, heat sealing or ultrasonic welding is used.
しかしながら第６図のように金型２１でのクランプが弱
いと、インフレーションチューブ２０の両端部が溶着せ
ずにトンネル状の穴２２が生成し、高圧蒸気滅菌後に、
液体のリークが多発するという問題があった。However, when the clamp in the mold 21 is weak as shown in FIG. 6, both ends of the inflation tube 20 are not welded to each other, and tunnel-shaped holes 22 are formed.
There was a problem that liquid leaks frequently.
また逆に金型２１のクランプが強すぎるとインフレーシ
ョンチューブの両端部にピンホールが発生し前記と同様
の問題があった。On the contrary, if the mold 21 is clamped too strongly, pinholes are generated at both ends of the inflation tube, and there is the same problem as described above.
そこで本願発明者は以上の課題を解決するために鋭意検
討を重ねた結果次の発明に到達した。Then, the inventors of the present application have made earnest studies to solve the above problems, and as a result, arrived at the following invention.
［課題を解決するための手段］ 第１の発明として、 上金型２と下金型３よりなり、前記上金型２及び／又は
下金型３のチューブシール面４に医療容器の袋状本体の
肉厚ｔに対して０．２ｔ〜０．４ｔの高さＨを有する突
出部５を形成してなる製造金型１を提供するものであ
る。[Means for Solving the Problems] As a first aspect of the present invention, an upper mold 2 and a lower mold 3 are provided, and a tube-shaped sealing surface 4 of the upper mold 2 and / or the lower mold 3 has a bag-like shape of a medical container. It is intended to provide a manufacturing die 1 in which a protrusion 5 having a height H of 0.2t to 0.4t with respect to a wall thickness t of a main body is formed.
第２の発明として、 第１の発明記載の製造金型１を使用して、次の各工程よ
り医療用容器を製造する医療用容器の製造方法を提供す
るものである。As a second invention, the present invention provides a method for manufacturing a medical container, which uses the manufacturing mold 1 described in the first invention to manufacture a medical container through the following steps.
インフレーションチューブ１０を上金型２と下金型３
の間に配置する工程、 前記インフレーションチューブ１０を上金型２と下金
型３により挟持して、インフレーションチューブ１０の
端部を前記突出部５により押圧することにより形成され
る一次溶着部１６と前記チューブシール面４により押圧
することにより形成される二次溶着部１７を形成して製
袋する工程、 第３の発明として、 第２の発明記載の医療用容器の製造方法により製造さ
れ、袋状本体１２と口部１５とから構成される医療用容
器１１であって、 肉厚ｔを有する二次溶着部１７と該肉厚ｔに対して、
０．６ｔから０．８ｔの肉厚を有する一次溶着部１６を
袋状本体１２の端部に形成した医療用容器１１を提供す
るものである。Inflation tube 10 with upper mold 2 and lower mold 3
A step of disposing the inflation tube 10 between the upper die 2 and the lower die 3 and pressing the end portion of the inflation tube 10 with the protrusion 5 to form a primary welded portion 16. A step of forming a secondary welded portion 17 formed by pressing with the tube sealing surface 4 to form a bag, as a third invention, manufactured by the method for manufacturing a medical container according to the second invention, and a bag. A medical container 11 composed of a main body 12 and a mouth portion 15, the secondary welding portion 17 having a wall thickness t and the wall thickness t,
The present invention provides a medical container 11 in which a primary welded portion 16 having a wall thickness of 0.6t to 0.8t is formed at an end of a bag-shaped main body 12.
［作用］ 突出部５によりインフレーションチューブ１０は強く押
圧され、これによりインフレーションチューブ１０の端
部にインフレーションチューブ１０の構成材料を圧縮し
た一次溶着部１６が形成されるので、インフレーション
チューブ１０の両端部は確実に強固にシールされ、液体
のリークを皆無にすることできる。[Operation] Since the inflation tube 10 is strongly pressed by the protrusion 5, and the primary welded portion 16 in which the constituent material of the inflation tube 10 is compressed is formed at the end of the inflation tube 10, both ends of the inflation tube 10 are It ensures a tight seal and eliminates liquid leaks.
［実施例］ 第１図は、本発明の製造金型１の概略図である（本発明
において「製造金型１」とは、熱を印加して医療用容器
の構成材料を溶融して成形する金型と、該金型により成
形された医療用容器の形状を熱を印加せずに整える金型
（冷却金型）の両方を含む）。[Examples] FIG. 1 is a schematic view of a production die 1 of the present invention (in the present invention, "production die 1" is applied with heat to melt and mold a constituent material of a medical container. And a mold (cooling mold) for adjusting the shape of the medical container molded by the mold without applying heat).
製造金型１は、上金型２と下金型３よりなり、前記上金
型２のチューブシール面４に突出部５が形成されてい
る。突出部５は下金型３のチューブシール面４または上
金型２と下金型３のチューブシール面４、４に形成して
も良い。The manufacturing mold 1 is composed of an upper mold 2 and a lower mold 3, and a protrusion 5 is formed on a tube sealing surface 4 of the upper mold 2. The protrusion 5 may be formed on the tube seal surface 4 of the lower mold 3 or on the tube seal surfaces 4 and 4 of the upper mold 2 and the lower mold 3.
突出部５は第２図（第１図の底面図）のようにチューブ
シール面４に一体に形成しても良いし、チューブシール
面４に別途装着するようにしても良い。突出部５の構成
材料は前記上金型２と下金型３と同材質（導電性材料）
で構成しても良いし異材質（プラスチック片、テープ等
の非導電性材料）で形成しても良い。The protrusion 5 may be integrally formed with the tube seal surface 4 as shown in FIG. 2 (bottom view of FIG. 1), or may be separately attached to the tube seal surface 4. The constituent material of the protrusion 5 is the same material as the upper mold 2 and the lower mold 3 (conductive material).
Or may be formed of a different material (a non-conductive material such as a plastic piece or a tape).
突出部５の形状は、特に第１図、第２図に記載したもの
に限定されるものではなく、本発明の目的を達成できる
ものであれば任意に設定できる。The shape of the protrusion 5 is not particularly limited to that shown in FIGS. 1 and 2, and can be arbitrarily set as long as the object of the present invention can be achieved.
突出部５の高さＨは後述する袋状本体１２の肉厚ｔ（１
００％）に対して、０．２ｔ（２０％）から０．４ｔ
（４０％）に形成するのが好ましい。０．２ｔ以下では
前記金型のクランプが弱くなり、インフレーションチュ
ーブの両端が溶着しにくいので好ましくない。また０．
４ｔ以上では金型のクランプが強くなりすぎてインフレ
ーションチューブの両端にピンホールが発生しやすいの
で好ましくない。The height H of the protruding portion 5 is determined by the thickness t (1
00t), 0.2t (20%) to 0.4t
(40%) is preferable. If it is 0.2 t or less, the clamp of the mold becomes weak and both ends of the inflation tube are hard to weld, which is not preferable. In addition, 0.
When it is 4 t or more, the clamp of the mold becomes too strong and pin holes are easily generated at both ends of the inflation tube, which is not preferable.
次に医療容器の製造方法について説明する。Next, a method for manufacturing the medical container will be described.
第１図に示すようにポリオレフィン系合成樹脂よりなる
インフレーションチューブ１０を上金型２と下金型３の
間に配置し、上金型２及び／又は下金型３に熱を印加し
ながらインフレーションチューブ１０を挟持し、インフ
レーションチューブ１０を溶融して溶着する。As shown in FIG. 1, an inflation tube 10 made of a polyolefin-based synthetic resin is placed between the upper mold 2 and the lower mold 3, and inflation is performed while applying heat to the upper mold 2 and / or the lower mold 3. The tube 10 is sandwiched, and the inflation tube 10 is melted and welded.
突出部５によりインフレーションチューブ１０は強く押
圧され、これによりインフレーションチューブ１０の端
部にインフレーションチューブ１０の構成材料を圧縮し
た一次溶着部１６が形成される。The inflation tube 10 is strongly pressed by the protruding portion 5, whereby a primary welded portion 16 in which the constituent material of the inflation tube 10 is compressed is formed at the end portion of the inflation tube 10.
またチューブシール面４によりインフレーションチュー
ブ１０の端部は押圧されこれによりインフレーションチ
ューブ１０の端部にに二次溶着部１７が形成される。Further, the end portion of the inflation tube 10 is pressed by the tube sealing surface 4, whereby the secondary welded portion 17 is formed at the end portion of the inflation tube 10.
以上のようにしてインフレーションチューブ１０の両端
部は確実に強固にシールされる。As described above, both ends of the inflation tube 10 are securely and firmly sealed.
第３図は、前記製造方法により製造した医療用容器１１
の概略図で、第４図は第３図のＡ−Ａ′断面図、第５図
は第３図のＢ−Ｂ′断面図である。FIG. 3 shows a medical container 11 manufactured by the above manufacturing method.
FIG. 4 is a sectional view taken along the line AA ′ in FIG. 3, and FIG. 5 is a sectional view taken along the line BB ′ in FIG.
医療用容器１１は袋状本体１２と口部１５とから構成さ
れ、袋状本体１２の端部には、袋状本体１２の肉厚ｔ
（１００％）と略同一の肉厚ｔ（１００％）を有する二
次溶着部１７と、該二次溶着部１７に対して、０．６ｔ
（６０％）から０．８ｔ（８０％）の肉厚を有する一次
溶着部１６が形成されている。０．８ｔ以上では金型に
よるクランプが十分でないためインフレーションチュー
ブ１０の両端が溶着しない場合もあるので好ましくな
い。０．６ｔ以下では金型によるクランプが強すぎてイ
ンフレーションチューブ１０の両端にピンホールが発生
しやすいので好ましくない。The medical container 11 is composed of a bag-shaped main body 12 and a mouth portion 15. At the end of the bag-shaped main body 12, the wall thickness t of the bag-shaped main body 12 is t.
(100%) and the secondary welding portion 17 having a wall thickness t (100%) substantially the same, and 0.6t for the secondary welding portion 17.
The primary welded portion 16 having a wall thickness of (60%) to 0.8t (80%) is formed. If the pressure is 0.8 t or more, the clamp by the mold is not sufficient, so that both ends of the inflation tube 10 may not be welded, which is not preferable. If it is 0.6 t or less, the clamp by the mold is too strong and pin holes are easily generated at both ends of the inflation tube 10, which is not preferable.
本発明において袋状本体１２の肉厚ｔとは、袋状本体１
２を構成するチューブｔ１、ｔ２を重ね合わせた厚さで
ある。すなわち、ｔ＝ｔ１＋ｔ２である。In the present invention, the wall thickness t of the bag-shaped main body 12 means the bag-shaped main body 1
It is a thickness obtained by superimposing the tubes t 1 and t 2 which form 2 on top of each other. That is, t = t 1 + t 2 .
［発明の効果］ 以上説明したように本発明は、チューブの両端部が確実
に強固にシールされるので、液体のリークが皆無で画一
的な製品を提供することができる。EFFECTS OF THE INVENTION As described above, the present invention can provide a uniform product with no liquid leakage, because both ends of the tube are reliably and firmly sealed.
第１図および第２図は本発明の製造金型の概略図、第３
図は本発明により製造した医療用容器の該略図、第４図
は第３図のＡ−Ａ′断面図、第５図は第３図のＢ−Ｂ′
断面図、第６図は従来の医療容器の製造方法を示す該略
図である。 図中、１は製造金型、２は上金型、３は下金型、４はチ
ューブシール面、５は突出部、１０はインフレーション
チューブ、１１は医療容器、１２は袋状本体、１６は一
次溶着部、１７は二次溶着部である。1 and 2 are schematic views of a production mold of the present invention, FIG.
FIG. 4 is a schematic view of a medical container manufactured according to the present invention, FIG. 4 is a sectional view taken along the line AA 'in FIG. 3, and FIG. 5 is a sectional view taken along the line BB' in FIG.
A sectional view and FIG. 6 are schematic diagrams showing a conventional method for manufacturing a medical container. In the figure, 1 is a manufacturing die, 2 is an upper die, 3 is a lower die, 4 is a tube sealing surface, 5 is a protruding portion, 10 is an inflation tube, 11 is a medical container, 12 is a bag-shaped body, 16 is The primary weld portion 17 is a secondary weld portion.
Claims (3)
２及び／又は下金型３のチューブシール面４に医療容器
の袋状本体の肉厚ｔに対して０．２ｔ〜０．４ｔの高さ
Ｈを有する突出部５を形成したことを特徴とする医療容
器の製造金型１（以下「製造金型１」）。1. A tube sealing surface 4 of the upper mold 2 and / or the lower mold 3 which is composed of an upper mold 2 and a lower mold 3 and has a thickness of 0. A mold 1 for manufacturing a medical container (hereinafter referred to as "manufacturing mold 1"), characterized in that a protrusion 5 having a height H of 2t to 0.4t is formed.
使用して、次の各工程より医療用容器を製造することを
特徴とする医療用容器の製造方法。 インフレーションチューブ１０を上金型２と下金型３
の間に配置する工程、 前記インフレーションチューブ１０を上金型２と下金
型３により挾持して、インフレーションチューブ１０の
端部を前記突出部５により押圧することにより形成され
る一次溶着部１６と前記チューブシール面４により押圧
することにより形成される二次溶着部１７を形成して製
袋する工程、2. A method of manufacturing a medical container, which comprises manufacturing a medical container using the manufacturing die 1 according to claim 1 through the following steps. Inflation tube 10 with upper mold 2 and lower mold 3
A step of placing the inflation tube 10 between the upper die 2 and the lower die 3 and pressing the end portion of the inflation tube 10 with the protrusion 5 to form a primary welding portion 16. A step of forming a secondary welded portion 17 formed by pressing with the tube sealing surface 4 to form a bag,
製造方法により製造され、袋状本体１２と口部１５とか
ら構成される医療用容器１１であって、 肉厚ｔを有する二次溶着部１７と該肉厚ｔに対して、
０．６ｔから０．８ｔの肉厚を有する一次溶着部１６を
袋状本体１２の端部に形成したことを特徴とする医療用
容器１１。3. A medical container 11 manufactured by the method for manufacturing a medical container according to claim 2 and comprising a bag-shaped main body 12 and a mouth portion 15, which has a wall thickness t. For the secondary welded portion 17 and the wall thickness t,
A medical container 11 in which a primary welded portion 16 having a wall thickness of 0.6 t to 0.8 t is formed on an end portion of the bag-shaped main body 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2324853A JPH0661845B2 (en) | 1990-11-27 | 1990-11-27 | Medical container, mold for manufacturing medical container, and method for manufacturing medical container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2324853A JPH0661845B2 (en) | 1990-11-27 | 1990-11-27 | Medical container, mold for manufacturing medical container, and method for manufacturing medical container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04191032A JPH04191032A (en) | 1992-07-09 |
| JPH0661845B2 true JPH0661845B2 (en) | 1994-08-17 |
Family
ID=18170385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2324853A Expired - Fee Related JPH0661845B2 (en) | 1990-11-27 | 1990-11-27 | Medical container, mold for manufacturing medical container, and method for manufacturing medical container |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0661845B2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60105129U (en) * | 1983-12-22 | 1985-07-18 | 株式会社資生堂 | Seal structure of tube container |
| JPH0242055A (en) * | 1988-08-02 | 1990-02-13 | Nisso Yuka Kogyo Kk | Decolorization and purification of mercapto-ether compound |
| JPH0357240Y2 (en) * | 1988-09-21 | 1991-12-26 |
-
1990
- 1990-11-27 JP JP2324853A patent/JPH0661845B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04191032A (en) | 1992-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4794750A (en) | Method for making containers having ports | |
| EP1284223B1 (en) | Fitment, and method and apparatus for attaching it to a pouch | |
| ES2052417A1 (en) | Method and device for manufacturing elexible film pouch, and assembly of ultrasonic hone and anvil | |
| JPH01226556A (en) | Bag with opening means, its manufacturing method and manufacture by same method | |
| RU2294836C2 (en) | Packing bag production method | |
| JP4429581B2 (en) | Bag making method | |
| KR100819549B1 (en) | Packing bag with fittings and fittings | |
| JP2791387B2 (en) | Infusion bag and manufacturing method thereof | |
| JPH0661845B2 (en) | Medical container, mold for manufacturing medical container, and method for manufacturing medical container | |
| CA1240466A (en) | Container port and method | |
| JPH0448192Y2 (en) | ||
| JP2016137919A (en) | Synthetic resin-based packaging bag | |
| JP2901474B2 (en) | Mouth of medical plastic container and method of manufacturing medical plastic container | |
| JPH0561940B2 (en) | ||
| JP4728048B2 (en) | Pouch container base material and method for producing pouch container using the base material | |
| JPS63290568A (en) | Preparation of medical bag | |
| JP2008114546A (en) | Bag making method for bags with plastic chuck | |
| JP2965864B2 (en) | Chemical liquid container and method of manufacturing the same | |
| JPS62361A (en) | Production of medical bag | |
| JPS63249633A (en) | Manufacture of bag for medical care | |
| JPS6242909Y2 (en) | ||
| JPH0789559A (en) | Bag with engaging jig | |
| JP3113082B2 (en) | Medical bag and manufacturing method thereof | |
| JPH04102560A (en) | Resealable package | |
| JPH0272057A (en) | Container with mouthpiece and its manufacture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080817 Year of fee payment: 14 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090817 Year of fee payment: 15 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090817 Year of fee payment: 15 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100817 Year of fee payment: 16 |
|
| LAPS | Cancellation because of no payment of annual fees |