JPH046904Y2 - - Google Patents
Info
- Publication number
- JPH046904Y2 JPH046904Y2 JP1986196808U JP19680886U JPH046904Y2 JP H046904 Y2 JPH046904 Y2 JP H046904Y2 JP 1986196808 U JP1986196808 U JP 1986196808U JP 19680886 U JP19680886 U JP 19680886U JP H046904 Y2 JPH046904 Y2 JP H046904Y2
- Authority
- JP
- Japan
- Prior art keywords
- aluminum foil
- packaging bag
- film
- bag
- laminate
- 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
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 33
- 229910052782 aluminium Inorganic materials 0.000 claims description 33
- 239000011888 foil Substances 0.000 claims description 33
- 238000004806 packaging method and process Methods 0.000 claims description 26
- 229920006267 polyester film Polymers 0.000 claims description 11
- 239000004743 Polypropylene Substances 0.000 claims description 10
- -1 polypropylene Polymers 0.000 claims description 10
- 229920001155 polypropylene Polymers 0.000 claims description 10
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 17
- 230000004888 barrier function Effects 0.000 description 15
- 235000013305 food Nutrition 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- UFRKOOWSQGXVKV-UHFFFAOYSA-N ethene;ethenol Chemical compound C=C.OC=C UFRKOOWSQGXVKV-UHFFFAOYSA-N 0.000 description 4
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 4
- 238000001802 infusion Methods 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010253 intravenous injection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Description
【考案の詳細な説明】
（産業上の利用分野）
この考案は、食品又は点滴注射用の輸液等をレ
トルト殺菌装置内で高温、高湿下処理して長期保
存を可能にするために、これらを収納するレトル
ト処理用の包装袋（レトルトパウチともいわれ
る）に係るものである。[Detailed description of the invention] (Field of industrial application) This invention is designed to enable long-term storage of foods or infusions for intravenous injection by processing them under high temperature and high humidity in a retort sterilizer. This relates to a packaging bag for retort processing (also called a retort pouch) that stores.
（従来の技術）
各種食品や、点滴注射用の輸液などを変質する
ことなく、長期保存するため、耐熱性に富み、ガ
スバリヤー性の高い包装袋に収納し、レトルト殺
菌装置内で、100℃以上の高温、高湿下で処理す
ることはよく知られている。なかでも、このよう
な処理を受けた食品はレトルト食品といわれ、近
年広く利用されている。(Prior technology) In order to preserve various foods and infusions for long-term drip injections without deterioration, they are stored in packaging bags with high heat resistance and gas barrier properties, and stored at 100℃ in a retort sterilizer. It is well known that processing is performed at higher temperatures and higher humidity. Among these, foods that have undergone such processing are called retort foods, and have been widely used in recent years.
レトルト食品の包装袋を構成する素材シートと
して、外側を二軸延伸ポリエステルフイルム、中
間相をアルミニウム箔、最内層を無延伸ポリプロ
ピレンフイルムとし、それぞれ接着剤で張り合せ
た３層構造からなるものが知られている。 The material sheet that constitutes the packaging bag for retort food is known to have a three-layer structure in which the outer layer is a biaxially stretched polyester film, the middle layer is an aluminum foil, and the innermost layer is an unstretched polypropylene film, each of which is laminated with an adhesive. It is being
（考案が解決しようとする問題点）
上記３層構造の積層体において、中間層のアル
ミニウム箔は極めて優れたガスバリヤー性及び遮
光性を有し、内容物の保護の点からみて、これ以
上優れた材料は現時点では見当らない。しかしな
がら、アルミニウム箔を用いる場合、包装した内
容物が見えないので、必要に応じて行なう品質検
査に支障を来たし、またレトルト食品の場合、一
般の客が内容物を見たいと思っても見ることがで
きないという不都合がある。(Problem to be solved by the invention) In the laminate with the above three-layer structure, the aluminum foil in the middle layer has extremely excellent gas barrier properties and light blocking properties, and is even better in terms of protecting the contents. No such materials are currently available. However, when aluminum foil is used, the packaged contents cannot be seen, which interferes with quality inspections that are carried out as necessary, and in the case of retort food, it is difficult for general customers to see the contents even if they wish to do so. The disadvantage is that it is not possible.
（問題点を解決するための手段）
本考案はレトルト処理用の包装袋を構成する積
層体中にアルミニウム箔を存在させて、レトルト
処理時の高温、高湿下におけるアルミニウム箔の
優れた物性を活用して内容物を保護し、レトルト
処理後は、必要に応じてアルミニウム箔を剥がし
て内容物を見得る状態とし、かかる常温下ではバ
リヤー性に富む樹脂フイルムで内容物を保護する
ようにした包装袋によつて上記従来の不都合を解
消し、本考案に到達した。(Means for solving the problem) The present invention makes aluminum foil exist in the laminate that constitutes the packaging bag for retort processing, thereby improving the excellent physical properties of aluminum foil under high temperature and high humidity during retort processing. After retort processing, the aluminum foil can be peeled off as needed to make the contents visible, and the contents are protected with a resin film that has excellent barrier properties at room temperature. The present invention has been achieved by solving the above-mentioned conventional disadvantages by using a packaging bag.
以下、本考案を添付図面の説明と併せて詳説す
る。 Hereinafter, the present invention will be explained in detail along with the explanation of the accompanying drawings.
第１図は本考案包装袋の一例の横断面略図であ
る。なお、この図面は積層体の構造をわかり易い
よう、部分的に拡大してあり、寸法関係は正比例
していない。 FIG. 1 is a schematic cross-sectional view of an example of the packaging bag of the present invention. Note that this drawing is partially enlarged to make it easier to understand the structure of the laminate, and the dimensional relationships are not directly proportional.
図中、１は無延伸ポリプロピレンフイルム、２
はエチレン−ビニルアルコール共重合樹脂フイル
ム（以下、これをEVOHフイルムと略称するこ
とがある）、３は二軸延伸ポリエステルフイルム、
４はアルミニウム箔、５は表面保護層、６は無延
伸ポリプロピレンフイルム、７はアルミニウム
箔、８は二軸延伸ポリエステルフイルム、９はア
ルミニウム箔４を剥離するためのつまみ片であ
る。 In the figure, 1 is an unstretched polypropylene film, 2
3 is an ethylene-vinyl alcohol copolymer resin film (hereinafter sometimes referred to as EVOH film), 3 is a biaxially stretched polyester film,
4 is an aluminum foil, 5 is a surface protective layer, 6 is an unstretched polypropylene film, 7 is an aluminum foil, 8 is a biaxially stretched polyester film, and 9 is a knob piece for peeling off the aluminum foil 4.
包装袋は２枚の面が縁部でシールされて形成さ
れるが、本考案の包装袋においては、少なくとも
一方の面が無延伸ポリプロピレンフイルム１、
EVOHフイルム、二軸延伸ポリエステルフイル
ム３及びアルミニウム箔４がその順序で積層され
た積層体（第１図においてＡで示される積層体）
からなるものである。第１図に示すものでは、Ａ
の積層体の外側に表面保護層５が積層されている
が、この表面保護層５は必要に応じて積層するも
のである。この表面保護層５は、アルミニウム箔
４の面を保護したり、又はこの層に図柄、説明文
等を印刷して商品としての外観をととのえるため
に用いられる。 A packaging bag is formed by having two sides sealed at the edges, and in the packaging bag of the present invention, at least one side is made of unstretched polypropylene film 1,
A laminate in which an EVOH film, a biaxially stretched polyester film 3, and an aluminum foil 4 are laminated in that order (a laminate indicated by A in FIG. 1).
It consists of In the one shown in Figure 1, A
A surface protection layer 5 is laminated on the outside of the laminate, and this surface protection layer 5 is laminated as necessary. This surface protection layer 5 is used to protect the surface of the aluminum foil 4, or to print a pattern, explanatory text, etc. on this layer to give it a finished appearance as a product.
第１図に示される包装袋において、下側の面、
即ち図中、Ｂで示してある面は、袋の内側からみ
て、無延伸ポリプロピレンフイルム６、アルミニ
ウム箔７及び二軸延伸ポリエステルフイルム８が
その順序で積層された積層体である。このように
本考案の包装袋は、袋を構成する一方の面が上述
のようにＡで示される積層体であればよく、従つ
て他面は第１図で示されるようなものであつて
も、又は第１図、Ａで示される積層体のように、
その層にアルミニウム箔が含まれているものであ
れば、どのようなものであつてもよい。 In the packaging bag shown in FIG. 1, the lower surface,
That is, the surface indicated by B in the figure is a laminate in which an unstretched polypropylene film 6, an aluminum foil 7, and a biaxially oriented polyester film 8 are laminated in that order when viewed from the inside of the bag. In this way, the packaging bag of the present invention may have one surface constituting the bag as a laminate shown by A as described above, and therefore the other surface as shown in FIG. or like the laminate shown in FIG. 1, A.
Any material may be used as long as the layer contains aluminum foil.
本考案は包装袋において、Ａで示される積層体
中、二軸延伸ポリエステルフイルム３とアルミニ
ウム箔４との間はアルミニウム箔４の側を指先で
挟んで引張るとき（第１図についていえばつまみ
片９を指先で挟んで引張るとき）特別の強い力で
引張らなくてもアルミニウム箔４が剥離される接
着強度で接着しておく。 In the packaging bag of the present invention, when the biaxially stretched polyester film 3 and the aluminum foil 4 in the laminate shown by A are pulled by pinching the aluminum foil 4 side with the fingertips (in the case of FIG. (When holding the aluminum foil 4 between the fingertips and pulling it), the adhesive strength is such that the aluminum foil 4 can be peeled off without applying a particularly strong force.
このようにするためには、例えば二軸延伸ポリ
エステルフイルム３に接する側のアルミニウム箔
４の面にリリース処理を施し（例えばシリコン樹
脂を溶剤で希釈したものを塗布する）接着剤とし
て例えばウレタン系接着剤を使用する。また上記
のリリース処理を施さない場合には、例えば高密
度ポリエチレン系の接着剤を用いればよい。 In order to do this, for example, the surface of the aluminum foil 4 in contact with the biaxially stretched polyester film 3 is subjected to a release treatment (for example, silicone resin diluted with a solvent is applied), and an adhesive such as urethane adhesive is applied. use an agent. Furthermore, if the above-mentioned release treatment is not performed, for example, a high-density polyethylene adhesive may be used.
このようにして、常態では剥離を起こさない
が、特別に強くない力で引張ることにより剥離で
きる接着を行なうことができる。 In this way, it is possible to create an adhesion that does not cause peeling under normal conditions, but can be peeled off by pulling with a force that is not particularly strong.
本考案の包装袋を使用するに当つては、この包
装袋に、食品又は輸液などを収納し、その入口を
ヒートシールする。袋の内面は無延伸ポリプロピ
レンフイルムよりなるのでヒートシールは良好に
行なわれる。次いで常法に従つてレトルト殺菌装
置により、高温、高圧、高湿下、加熱処理され完
全に殺菌が行なわれる。この際、包装袋における
表裏両面のアルミニウム箔によつて完全にガスバ
リヤー性が保持される。 When using the packaging bag of the present invention, food, infusion, etc. are stored in the packaging bag, and the entrance thereof is heat-sealed. Since the inner surface of the bag is made of unstretched polypropylene film, heat sealing can be performed well. Then, it is heat-treated in a retort sterilizer at high temperature, high pressure, and high humidity according to a conventional method to completely sterilize it. At this time, gas barrier properties are completely maintained by the aluminum foils on both the front and back sides of the packaging bag.
このようにしてレトルト殺菌処理された商品が
得られる。その後、必要に応じ、内容物を肉眼で
見たいときは、つまみ片９を指先で挟み、引張る
と、アルミニウム箔４及び表面保護層５は剥離さ
れ、残された層はプラスチツクフイルムからな
り、それらフイルムを透明フイルムとしておくと
きは内容物を肉眼で見ることができる。 In this way, a retort sterilized product is obtained. After that, if you want to see the contents with the naked eye, pinch the tab piece 9 with your fingertips and pull it.The aluminum foil 4 and surface protection layer 5 will be peeled off, and the remaining layer will be made of plastic film. When the film is transparent, the contents can be seen with the naked eye.
（作用）
本考案包装袋において、袋の少くとも一方の面
となる積層体Ａを構成するアルミニウム箔４はレ
トルト殺菌処理時における包装袋の優れたガスバ
リヤー性を保持し、二軸延伸ポリエステルフイル
ム３は包装袋の強度を保持し、プラスチツクフイ
ルム中、ガスバリヤー性に優れたEVOHフイル
ム２は、アルミニウム箔４を剥離した後におい
て、包装袋のガスバリヤー性を保持し、無延伸ポ
リプロピレンフイルム１は、包装袋を形成する際
に良好なヒートシールを達成させるものである。(Function) In the packaging bag of the present invention, the aluminum foil 4 constituting the laminate A, which is at least one side of the bag, maintains the excellent gas barrier properties of the packaging bag during retort sterilization, and the biaxially stretched polyester film 3 maintains the strength of the packaging bag, EVOH film 2, which has excellent gas barrier properties among plastic films, maintains the gas barrier properties of the packaging bag after the aluminum foil 4 is peeled off, and unstretched polypropylene film 1 maintains the gas barrier properties of the packaging bag. , to achieve good heat sealing when forming packaging bags.
（考案の効果）
レトルト処理用包装袋は、レトルト殺菌装置に
おいて、高温、高圧、高湿下に置かれるが、内容
物の変質防止のため高度のガスバリヤー性の素材
からなる必要がある。ポリ塩化ビニリデンＫ−コ
ートナイロン、エチレン−ビニルアルコール共重
合体樹脂等のプラスチツクからなるフイルムはガ
スバリヤー性を有するが、高温、高湿下ではその
機能が著しく低下してしまう、この点、アルミニ
ウム箔は、高温、高湿下でもガスバリヤー性の低
下はなく、レトルト処理用包装袋として極めて有
用な素材といえる。しかしながら、一方、アルミ
ニウム箔は、内容物が見えないという欠点があ
る。本考案の包装袋はレトルト殺菌処理時には、
アルミニウム箔によつて高温、高湿下でのガスバ
リヤー性が保持され、殺菌処理後は、必要時に、
包装袋の少なくとも一面のアルミニウム箔の層を
剥離し、内容物を肉眼で見ることができるように
し、しかもアルミニウム箔除去後は、残されてい
るガスバリヤー性が保持され、内容物を保護する
ことができる。(Effects of the invention) Packaging bags for retort processing are placed under high temperature, high pressure, and high humidity in retort sterilization equipment, and must be made of a material with high gas barrier properties to prevent deterioration of the contents. Films made of plastics such as polyvinylidene chloride K-coated nylon and ethylene-vinyl alcohol copolymer resin have gas barrier properties, but their functionality deteriorates significantly at high temperatures and high humidity. has no deterioration in gas barrier properties even under high temperature and high humidity conditions, and can be said to be an extremely useful material for packaging bags for retort processing. However, on the other hand, aluminum foil has the disadvantage that the contents cannot be seen. During retort sterilization, the packaging bag of this invention
Aluminum foil maintains gas barrier properties under high temperature and high humidity conditions, and after sterilization, it can be used when necessary.
The aluminum foil layer on at least one side of the packaging bag is peeled off so that the contents can be seen with the naked eye, and after the aluminum foil is removed, the remaining gas barrier properties are maintained and the contents are protected. I can do it.
なお、上記のアルミニウム箔の層を必要時に剥
離するとは、例えば次のようなに場合である。レ
トルト食品においては、レトルト食品の製造後、
流通経路をへて最終小売店に渡されるとき、小売
店では、食品の内容物が直接、見えるようにして
配置することが望まれ、この段階でアルミニウム
箔の層が剥離される。また輸液の包装物において
も、最終使用箇所である病院などでは、内容物の
変質を肉眼で調べる必要があり、病院などに渡る
段階でアルミニウム箔の層が剥離される。このよ
うな時点以降では内容物の使用までの期間も比較
的短く、また苛酷な条件にも遭遇せず、EVOH
フイルムは、ガスバリヤー目的を充分達成する。 Note that the above-mentioned aluminum foil layer is peeled off when necessary, for example, in the following cases. For retort food, after manufacturing the retort food,
When passing through the distribution channel to the final retailer, it is desired that the contents of the food product be placed directly in view at the retailer, and the aluminum foil layer is removed at this stage. In addition, in the case of infusion packages, it is necessary to visually inspect the contents for deterioration at the final point of use, such as a hospital, and the aluminum foil layer is peeled off when the package is delivered to the hospital. After this point, the period before use of the contents is relatively short, the harsh conditions are not encountered, and EVOH
The film satisfies the gas barrier purpose.
第１図は本考案包装袋の一例の横断面略図であ
る。
図中、１は無延伸ポリプロピレンフイルム、２
はガスバリヤー性フイルム、３は二軸延伸ポリエ
ステルフイルム、４はアルミニウム箔、５は表面
保護層である。
FIG. 1 is a schematic cross-sectional view of an example of the packaging bag of the present invention. In the figure, 1 is an unstretched polypropylene film, 2
3 is a gas barrier film, 3 is a biaxially stretched polyester film, 4 is an aluminum foil, and 5 is a surface protective layer.
Claims (1)
フイルム１、エチレン−ビニルアルコール共重合
樹脂フイルム２、二軸延伸ポリエステルフイルム
３及びアルミニウム箔４の順序で積層され、かつ
上記ポリエステルフイルム３とアルミニウム箔４
との間は、アルミニウム箔の側を指先で挟んで引
張るとき、容易に剥離可能に接着されている積層
体からなり、この積層体の無延伸ポリプロピレン
フイルム１の側を袋の内側にして構成してなるレ
トルト処理用包装袋。 At least one side of the bag is laminated with an unstretched polypropylene film 1, an ethylene-vinyl alcohol copolymer resin film 2, a biaxially oriented polyester film 3, and an aluminum foil 4, and the polyester film 3 and aluminum foil 4 are laminated in this order.
The bag is made of a laminate that is easily peelable when the aluminum foil side is pinched between fingertips and pulled, and the unstretched polypropylene film 1 side of this laminate is placed inside the bag. Packaging bag for retort processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986196808U JPH046904Y2 (en) | 1986-12-23 | 1986-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986196808U JPH046904Y2 (en) | 1986-12-23 | 1986-12-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63101528U JPS63101528U (en) | 1988-07-01 |
| JPH046904Y2 true JPH046904Y2 (en) | 1992-02-25 |
Family
ID=31155953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986196808U Expired JPH046904Y2 (en) | 1986-12-23 | 1986-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH046904Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4984744B2 (en) * | 2006-08-28 | 2012-07-25 | 凸版印刷株式会社 | Laminated packaging material |
| JP5386814B2 (en) * | 2007-09-28 | 2014-01-15 | 大日本印刷株式会社 | Multilayer laminated film with easy opening and gas barrier properties |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0532288Y2 (en) * | 1986-04-07 | 1993-08-18 |
-
1986
- 1986-12-23 JP JP1986196808U patent/JPH046904Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63101528U (en) | 1988-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4022324A (en) | Sealed container for storing medical and/or bio-medical articles in sterile condition and having removable cover | |
| EP2108381B1 (en) | Dual compartment pouch | |
| JP4026725B2 (en) | Product package manufacturing method and product package | |
| US5253754A (en) | Peel package and method of packaging organs | |
| EP0449339B1 (en) | Multiple layer polymeric films, process for making them and packages made from them | |
| US5489022A (en) | Ultraviolet light absorbing and transparent packaging laminate | |
| JPH0477664B2 (en) | ||
| JPS639538A (en) | Multilayer film having excellent adhesive property | |
| JPS58192551A (en) | Package container for preserving medical container | |
| JPS62290536A (en) | Multilayer packaging film | |
| JP2008150096A (en) | Packaging bag with spout and its manufacturing method | |
| JP2011500201A (en) | Infusion solution double packaging container | |
| US20060016708A1 (en) | Transparent autoclavable bag | |
| JP3240253B2 (en) | Contamination prevention bag for drip packaging container | |
| JPH046904Y2 (en) | ||
| JPH0580224B2 (en) | ||
| US5324555A (en) | Packaging films | |
| USH9H (en) | Shrinkable package with vent holes | |
| JP2906487B2 (en) | Medical article transparent package | |
| JPS61175A (en) | Blister package of medical appliance strilized through projection of radiation | |
| EP0785066A2 (en) | Peelable heat seals and method for making same | |
| JP3605430B2 (en) | Lid material having press-through function and package using the same | |
| CZ298362B6 (en) | Aseptic package | |
| JP2005328928A (en) | Packaging pouch for accommodating adhesive preparation and package for adhesive preparation | |
| US20210015579A1 (en) | Package for pvc products |