JPH07148225A - Opening part of medical plastic container and production of the same - Google Patents
Opening part of medical plastic container and production of the sameInfo
- Publication number
- JPH07148225A JPH07148225A JP5323200A JP32320093A JPH07148225A JP H07148225 A JPH07148225 A JP H07148225A JP 5323200 A JP5323200 A JP 5323200A JP 32320093 A JP32320093 A JP 32320093A JP H07148225 A JPH07148225 A JP H07148225A
- Authority
- JP
- Japan
- Prior art keywords
- rubber stopper
- sealed
- film
- sealing film
- rubber cock
- 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.)
- Granted
Links
- 239000004033 plastic Substances 0.000 title claims description 17
- 229920003023 plastic Polymers 0.000 title claims description 17
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 238000007789 sealing Methods 0.000 claims abstract description 49
- 238000003825 pressing Methods 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 4
- 238000013021 overheating Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/5861—Spouts
- B65D75/5872—Non-integral spouts
- B65D75/5883—Non-integral spouts connected to the package at the sealed junction of two package walls
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本考案は密封フィルムのシール形
状を改良した医療用プラスチック容器の口部及び該口部
を装着した医療用プラスチック容器並びに医療用プラス
チック容器の製造方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mouth portion of a medical plastic container in which the sealing shape of a sealing film is improved, a medical plastic container fitted with the mouth portion, and a method for producing the medical plastic container.
【０００２】これまでは、例えば図４に示したような医
療用プラスチック容器の口部３１の密封構造をしてい
た。すなわち、密封フィルム３５をゴム栓押え３４の上
面にヒートシールにて溶着してゴム栓３３の無菌性の保
持を行っていた（図中、３６はシール部である）。Hitherto, for example, the sealing structure of the mouth portion 31 of the medical plastic container as shown in FIG. 4 has been used. That is, the sealing film 35 was welded to the upper surface of the rubber stopper holder 34 by heat sealing to maintain the sterility of the rubber stopper 33 (in the figure, 36 is a seal portion).
【０００３】[0003]
【考案が解決しようとする課題】このような密封フィル
ム３５を引きはがす際には、本来引きはがしやすいはず
であるが、次のような理由ではがしにくくなることがあ
った。密封フィルム３５とゴム栓３３の間に空気が残留
するようなデザインになっているような場合この状態で
シールされ、滅菌されると過熱によって空気が膨張し、
フィルムにかかる圧力とシール強度との兼ね合いで、強
度が弱いとシールがはがれることがあった。従って、シ
ール強度を強くするために、シール温度あるいはシール
圧あるいはそれらの両方を高くしてシールのはがれを回
避していた。このため、密封フィルム３５を引きはがす
のにシール強度が必要以上に強くなってはがしにくくな
っていた。そして、シール状態を維持した場合において
も、密封フィルム３５に膨らんだ後が残るので、外観的
に好ましくなかった。When the sealing film 35 is peeled off, it should be easy to peel it originally, but it may be difficult to peel it off for the following reasons. When the design is such that the air remains between the sealing film 35 and the rubber stopper 33, it is sealed in this state, and when sterilized, the air expands due to overheating,
Due to the balance between the pressure applied to the film and the seal strength, if the strength is weak, the seal may peel off. Therefore, in order to increase the seal strength, the seal temperature, the seal pressure, or both of them have been raised to avoid peeling of the seal. For this reason, the peeling strength of the sealing film 35 has become unnecessarily strong to peel off the sealing film 35, making it difficult to peel it off. Even when the sealing state is maintained, the sealing film 35 remains after it swells, which is not preferable in appearance.
【０００４】また、密封フィルム３５をヒートシールす
る際にシール面が平らであったので、ヒートシールの押
え込みしろを大きくした場合にはシール面全体が強くシ
ールされるため、引きはがしにくくなっていた。本発明
者は上記の課題を解決するため、鋭意検討を重ねた結
果、次の発明に到達した。Further, since the sealing surface was flat when the sealing film 35 was heat-sealed, when the pressing margin of the heat-sealing was increased, the entire sealing surface was strongly sealed, which made it difficult to remove. . The present inventor has achieved the following invention as a result of intensive studies in order to solve the above problems.
【０００５】[0005]
［１］本発明は口部本体の上部にゴム栓及びゴム栓押え
を装着し、これらの天面に密封フィルムをシールした口
部であって、密封フィルムとゴム栓の接触面にはフラッ
トなシール部が形成され、密封フィルムとゴム栓押えの
接触面には湾曲状のシール部が形成された医療用プラス
チック容器の口部を提供する。 ［２］本発明はインフレーションチューブまたは二枚の
可撓性シートを袋状に溶着して形成した袋状本体の上部
に請求項１記載の口部を装着した医療用プラスチック容
器を提供する。 ［３］本発明は次の各工程よりなる医療用プラスチック
容器の製造方法を提供する。 （１）袋状本体に薬液を充填する工程、（２）袋状本体
の上部にゴム栓及びゴム栓押えを上部に装着した口部を
挟持する工程、（３）ゴム栓押えを超音波により口部に
溶着しゴム栓を密封する工程、（４）ゴム栓及びゴム栓
押えの天面に、底面にフラットに形成された押圧部と該
押圧部の外周に曲面状に形成された押圧部を形成した熱
溶着金型により密封フィルムをシールする工程、[1] The present invention is a mouth part in which a rubber stopper and a rubber stopper presser are attached to the upper part of the mouth main body, and a sealing film is sealed on the top surface thereof, and the contact surface between the sealing film and the rubber stopper is flat. Provided is a mouth part of a medical plastic container in which a sealing part is formed, and a curved sealing part is formed on a contact surface between the sealing film and the rubber stopper retainer. [2] The present invention provides a medical plastic container in which the mouth portion according to claim 1 is attached to the upper portion of a bag-shaped body formed by welding an inflation tube or two flexible sheets in a bag shape. [3] The present invention provides a method for producing a medical plastic container, which comprises the following steps. (1) Step of filling the bag-shaped body with the chemical solution, (2) Step of sandwiching the rubber stopper and the mouth portion having the rubber stopper retainer mounted on the upper portion of the bag-like body, (3) Ultrasonic wave of the rubber stopper retainer (4) A pressing portion formed flat on the bottom surface of the rubber stopper and the rubber stopper retainer, and a pressing portion formed in a curved shape on the outer periphery of the pressing portion. A step of sealing the sealing film with the heat-welding die having formed
【０００６】[0006]
【作用】上記のように構成すれば、密封フィルムをゴム
栓押え上面に必要以上に強くシールすることがないの
で、フィルムを引きはがす際にスムーズに引きはがせ、
外観的にも好ましい口部を提供することが可能となる。With the above-mentioned structure, the sealing film is not strongly sealed to the upper surface of the rubber stopper retainer, so that the film can be peeled off smoothly when peeled off.
It is possible to provide a mouth portion that is also preferable in appearance.
【０００７】[0007]
【実施例】図１は口部１の断面図で、口部１は口部本体
２の上部にゴム栓３及びゴム栓押え４を装着し、これら
の天面に密封フィルム５をシールすることにより構成さ
れている。密封フィルム５はポリエステルフィルムにポ
リプロピレンとポリエチレンをブレンドしたフィルムを
ラミネートして、厚さ６０μに形成されている。密封フ
ィルム５は図２に示すように熱溶着金型６を用いてゴム
栓３及びゴム栓押え４の天面にシールされる。金型６の
底面にはフラットに形成された押圧部７が中央に形成さ
れ、その外周に所定の空間を隔てて、曲面状に形成され
た押圧部８が形成されている。押圧部７は押圧部８より
も下部に突出している。熱を印加しながら押圧部７で密
封フィルム５をゴム栓３に圧着するとともに押圧部８で
密封フィルム５をゴム栓押え４に圧着することにより密
封フィルム５とゴム栓３及びゴム栓押え４間に存在する
空気をほとんど追い出すことができ、密封フィルム５と
ゴム栓３の接触面はフラットなシール部９が形成され、
密封フィルム５とゴム栓押え４の接触面は湾曲状のシー
ル部１０（ゴム栓押え４の中央に湾曲溝状のシール部１
１が形成され、該シール部１１の内側に湾曲突状のシー
ル部１２が形成されている）が形成される。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a cross-sectional view of a mouth portion 1. In the mouth portion 1, a rubber stopper 3 and a rubber stopper retainer 4 are mounted on an upper portion of a mouth main body 2, and a sealing film 5 is sealed on the top surface thereof. It is composed by. The sealing film 5 is formed to have a thickness of 60 μ by laminating a film obtained by blending polypropylene and polyethylene on a polyester film. As shown in FIG. 2, the sealing film 5 is sealed on the top surfaces of the rubber stopper 3 and the rubber stopper holder 4 by using a heat-welding die 6. A flat pressing portion 7 is formed in the center of the bottom surface of the mold 6, and a curved pressing portion 8 is formed on the outer periphery of the pressing portion 7 with a predetermined space therebetween. The pressing portion 7 projects below the pressing portion 8. Between the sealing film 5, the rubber stopper 3 and the rubber stopper holder 4 by pressing the sealing film 5 onto the rubber stopper 3 with the pressing portion 7 while applying heat and pressing the sealing film 5 onto the rubber stopper holder 4 with the pressing portion 8. Almost all the air present in the air can be expelled, and a flat seal portion 9 is formed on the contact surface between the sealing film 5 and the rubber plug 3,
The contact surface between the sealing film 5 and the rubber stopper retainer 4 has a curved seal portion 10 (the curved groove-shaped seal portion 1 at the center of the rubber stopper retainer 4).
1 is formed, and a curved protruding seal portion 12 is formed inside the seal portion 11).
【０００８】図３は口部１を袋状本体２２の上部に装着
した医療用プラスチック容器２１の概略図である。袋状
本体２２はインフレーションチューブより形成しても良
いし二枚の可撓性シートを袋状に溶着して形成しても良
い。また袋状本体２２の内部には薬液が充填される。FIG. 3 is a schematic view of a medical plastic container 21 in which the mouth portion 1 is attached to the upper portion of the bag-shaped main body 22. The bag-shaped main body 22 may be formed of an inflation tube or may be formed by welding two flexible sheets in a bag shape. Further, the bag-shaped main body 22 is filled with a chemical solution.
【０００９】医療用プラスチック容器２１は例えば次の
ように製造される。成形した袋状本体２２に薬液を充填
して、袋状本体２２の上部にゴム栓３及びゴム栓押え４
を上部に装着した口部１を挟持する。ゴム栓押え４の上
面より超音波ホーンにより発振された超音波を印加して
ゴム栓押え４を口部１に溶着させるとともにゴム栓３を
封止する。ゴム栓３及びゴム栓押え４の天面に前記した
ように熱溶着金型６を用いて密封フィルム５をシールす
る。The medical plastic container 21 is manufactured, for example, as follows. The formed bag-shaped main body 22 is filled with a chemical liquid, and the rubber stopper 3 and the rubber stopper retainer 4 are provided on the upper portion of the bag-shaped main body 22.
The mouth part 1 attached to the upper part is clamped. Ultrasonic waves oscillated by an ultrasonic horn are applied from the upper surface of the rubber stopper holder 4 to weld the rubber stopper holder 4 to the mouth portion 1 and seal the rubber stopper 3. The sealing film 5 is sealed on the top surfaces of the rubber stopper 3 and the rubber stopper holder 4 by using the heat-welding die 6 as described above.
【００１０】[0010]
【発明の効果】ゴム栓押え３４と密封フィルム３５のシ
ール部３６が平面状である従来の口部３１と比較して、
本発明の口部１は、ゴム栓押え４と密封フィルム５は湾
曲状にシールされているのでシール部の面積を大きくす
ることができ、同時にゴム栓３と密封フィルム５も密着
している。このためゴム栓３及びゴム栓押え４と密封フ
ィルム５の間に空気の残留がない状態で滅菌されるので
滅菌時の過熱によって密封フィルム５の中央部が膨らむ
ことがなく、外観不良や、弱くシールした場合に密封フ
ィルム５が空気の膨張力によってはがれたりすることが
なくなる。As compared with the conventional mouth portion 31 in which the rubber plug retainer 34 and the sealing portion 36 of the sealing film 35 are flat,
In the mouth portion 1 of the present invention, since the rubber plug retainer 4 and the sealing film 5 are curvedly sealed, the area of the sealing portion can be increased, and at the same time, the rubber plug 3 and the sealing film 5 are also in close contact with each other. Therefore, since the sterilization is performed in a state where there is no air remaining between the rubber stopper 3, the rubber stopper holder 4, and the sealing film 5, the central portion of the sealing film 5 does not swell due to overheating during sterilization, resulting in poor appearance and weakness. When sealed, the sealing film 5 will not come off due to the expansion force of air.
【図１】本発明の医療用プラスチック容器の口部の断面
図FIG. 1 is a sectional view of a mouth portion of a medical plastic container of the present invention.
【図２】図１の口部の製造工程を示す概略図FIG. 2 is a schematic view showing a manufacturing process of the mouth portion of FIG.
【図３】図１の口部を装着した医療用プラスチック容器
の概略図FIG. 3 is a schematic view of a medical plastic container equipped with the mouth portion of FIG.
【図４】従来の医療用プラスチック容器の口部の断面図FIG. 4 is a sectional view of the mouth of a conventional medical plastic container.
１ 口部 ２ 口部本体 ３ ゴム栓 ４ ゴム栓押え ５ 密封フィルム ６ 熱溶着金型 ７ フラットに形成された押圧部 ８ 曲面状に形成された押圧部 ９ フラットなシール部 １０ 湾曲状のシール部 １１ 湾曲溝状のシール部 １２ 湾曲突状のシール部 ２１ 医療用プラスチック容器 ２２ 袋状本体 DESCRIPTION OF SYMBOLS 1 Mouth part 2 Mouth part body 3 Rubber stopper 4 Rubber stopper retainer 5 Sealing film 6 Heat welding mold 7 Flat pressing part 8 Curved pressing part 9 Flat sealing part 10 Curved sealing part 11 curved groove-shaped seal portion 12 curved protruding seal portion 21 medical plastic container 22 bag-shaped main body
Claims (3)
を装着し、これらの天面に密封フィルムをシールした口
部であって、密封フィルムとゴム栓の接触面にはフラッ
トなシール部が形成され、密封フィルムとゴム栓押えの
接触面には湾曲状のシール部が形成されたことを特徴と
する医療用プラスチック容器の口部。1. A mouth part in which a rubber stopper and a rubber stopper presser are attached to the upper part of the mouth body, and a sealing film is sealed on the top surface of these, and a flat seal is provided on the contact surface between the sealing film and the rubber stopper. The mouth portion of the medical plastic container is characterized in that a curved seal portion is formed on the contact surface between the sealing film and the rubber stopper retainer.
可撓性シートを袋状に溶着して形成した袋状本体の上部
に請求項１記載の口部を装着したことを特徴とする医療
用プラスチック容器。2. A plastic container for medical use, comprising an inflation tube or a bag-shaped main body formed by welding two flexible sheets in a bag-like shape, and the mouth portion according to claim 1 attached to an upper portion of the bag-shaped main body.
容器の製造方法。 （１）袋状本体に薬液を充填する工程、（２）袋状本体
の上部にゴム栓及びゴム栓押えを上部に装着した口部を
挟持する工程、（３）ゴム栓押えを超音波により口部に
溶着しゴム栓を密封する工程、（４）ゴム栓及びゴム栓
押えの天面に、底面にフラットに形成された押圧部と該
押圧部の外周に曲面状に形成された押圧部を形成した熱
溶着金型により密封フィルムをシールする工程、3. A method for producing a medical plastic container comprising the following steps. (1) Step of filling the bag-shaped body with the chemical solution, (2) Step of sandwiching the rubber stopper and the mouth portion having the rubber stopper retainer mounted on the upper portion of the bag-like body, (3) Ultrasonic wave of the rubber stopper retainer (4) A pressing portion formed flat on the bottom surface of the rubber stopper and the rubber stopper retainer, and a pressing portion formed in a curved shape on the outer periphery of the pressing portion. A step of sealing the sealing film with the heat-welding die having formed
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5323200A JP2901474B2 (en) | 1993-11-29 | 1993-11-29 | Mouth of medical plastic container and method of manufacturing medical plastic container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5323200A JP2901474B2 (en) | 1993-11-29 | 1993-11-29 | Mouth of medical plastic container and method of manufacturing medical plastic container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07148225A true JPH07148225A (en) | 1995-06-13 |
| JP2901474B2 JP2901474B2 (en) | 1999-06-07 |
Family
ID=18152167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5323200A Expired - Lifetime JP2901474B2 (en) | 1993-11-29 | 1993-11-29 | Mouth of medical plastic container and method of manufacturing medical plastic container |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2901474B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007076747A (en) * | 2006-12-22 | 2007-03-29 | Dainippon Printing Co Ltd | Packaging bag with dispensing device |
| JP2009132431A (en) * | 2007-11-30 | 2009-06-18 | Hosokawa Yoko Co Ltd | Mouth for container, container with the same, sterilized container with content, and its manufacturing method |
| WO2016117580A1 (en) * | 2015-01-21 | 2016-07-28 | 株式会社大塚製薬工場 | Port production method and medical solution bag production method |
| KR20180074767A (en) * | 2015-11-13 | 2018-07-03 | 충칭 루미 파마슈티컬 컴퍼니.,리미티드. | Pharmaceutical mix blender, rigid dual port and sap bag for infusion |
| KR20180075596A (en) * | 2015-11-13 | 2018-07-04 | 충칭 루미 파마슈티컬 컴퍼니.,리미티드. | Single Needle Mixing Mixer, Hard Dual Port and Soft Bag for Infusion |
-
1993
- 1993-11-29 JP JP5323200A patent/JP2901474B2/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007076747A (en) * | 2006-12-22 | 2007-03-29 | Dainippon Printing Co Ltd | Packaging bag with dispensing device |
| JP2009132431A (en) * | 2007-11-30 | 2009-06-18 | Hosokawa Yoko Co Ltd | Mouth for container, container with the same, sterilized container with content, and its manufacturing method |
| WO2016117580A1 (en) * | 2015-01-21 | 2016-07-28 | 株式会社大塚製薬工場 | Port production method and medical solution bag production method |
| KR20170107450A (en) * | 2015-01-21 | 2017-09-25 | 가부시키가이샤 오츠카 세이야쿠 고죠 | Port manufacturing method, and manufacturing method of chemical bag |
| CN107613940A (en) * | 2015-01-21 | 2018-01-19 | 株式会社大冢制药工厂 | The manufacture method of port and the manufacture method of medicinal fluid bag |
| US20180263847A1 (en) * | 2015-01-21 | 2018-09-20 | Otsuka Pharmaceutical Factory, Inc. | Method for producing port, and method for producing medical liquid bag |
| US11559463B2 (en) | 2015-01-21 | 2023-01-24 | Otsuka Pharmaceutical Factory, Inc. | Method for producing port, and method for producing medical liquid bag |
| KR20180074767A (en) * | 2015-11-13 | 2018-07-03 | 충칭 루미 파마슈티컬 컴퍼니.,리미티드. | Pharmaceutical mix blender, rigid dual port and sap bag for infusion |
| KR20180075596A (en) * | 2015-11-13 | 2018-07-04 | 충칭 루미 파마슈티컬 컴퍼니.,리미티드. | Single Needle Mixing Mixer, Hard Dual Port and Soft Bag for Infusion |
| JP2018533457A (en) * | 2015-11-13 | 2018-11-15 | 重慶莱美薬業股▲ふん▼有限公司Ｃｈｏｎｇｑｉｎｇ Ｌｕｍｍｙ Ｐｈａｒｍａｃｅｕｔｉｃａｌ Ｃｏ．，Ｌｔｄ． | Single needle drug mixer, hard dual interface and infusion softback |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2901474B2 (en) | 1999-06-07 |
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