JPH0339237Y2 - - Google Patents
Info
- Publication number
- JPH0339237Y2 JPH0339237Y2 JP1983100116U JP10011683U JPH0339237Y2 JP H0339237 Y2 JPH0339237 Y2 JP H0339237Y2 JP 1983100116 U JP1983100116 U JP 1983100116U JP 10011683 U JP10011683 U JP 10011683U JP H0339237 Y2 JPH0339237 Y2 JP H0339237Y2
- Authority
- JP
- Japan
- Prior art keywords
- lid
- container
- synthetic resin
- paper
- aluminum foil
- 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 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- 239000011888 foil Substances 0.000 claims description 14
- 239000000057 synthetic resin Substances 0.000 claims description 10
- 229920003002 synthetic resin Polymers 0.000 claims description 10
- 239000002648 laminated material Substances 0.000 claims description 7
- 239000012793 heat-sealing layer Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000005022 packaging material Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 5
- -1 polyethylene Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009820 dry lamination Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000015203 fruit juice Nutrition 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、ホツトパツク容器の蓋体の改良に関
する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an improvement of a lid for a hot pack container.
たとえば、紙製多層包装材を筒状に形成した胴
部に上蓋及び底蓋を設けた容器が、果汁飲料など
のホツトパツク容器として用いられている。
For example, a container having a cylindrical body made of a paper multilayer packaging material and provided with a top lid and a bottom lid is used as a hot pack container for fruit juice drinks and the like.
ホツトパツクは、内容物および容器の滅菌のた
め、内容物を90℃前後の高温に加熱して容器に充
填し、その後上蓋をヒートシールするものである
ので、冷却後に内容物および残留空気が収縮し
て、内部が減圧になり、容器胴部が変形するとい
う問題があつた。 In order to sterilize the contents and containers, hot packs heat the contents to a high temperature of around 90°C and fill them into containers, and then heat-seal the top lid, so the contents and residual air shrink after cooling. However, there was a problem in that the internal pressure was reduced and the container body was deformed.
そこで、減圧による容器胴部の変形を防ぐ目的
で、蓋体の成形時に同心円状のリブつまり凹凸を
与えておき、減圧とともに引き込まれるようにす
るとか、あるいは外側に弯曲したドーム状部を設
けておき、これを減圧とともに内側に反転させる
とかの対策が採られている。蓋体は通常、アルミ
箔の内面側にポリエチレンなどでヒートシール層
を設けた蓋体で形成されていた。 Therefore, in order to prevent the container body from deforming due to depressurization, concentric ribs, or unevenness, are provided when forming the lid so that it is drawn in as the pressure decreases, or a curved dome-shaped part is provided on the outside. Countermeasures have been taken, such as turning this inward while reducing the pressure. The lid is usually made of aluminum foil with a heat-sealing layer made of polyethylene or the like on the inner surface.
ところが、アルミ箔にヒートシール層を設けた
構成の蓋体には、次のような問題点があつた。す
なわち、包装体を輸送する過程で振動が加わる
と、蓋体のリブの部分やドーム状部の反転のとき
生じたしわの部分が繰り返し屈曲するが、アルミ
箔にヒートシール層を設けただけの構造では、ピ
ンホールができやすく、洩れや雑菌の侵入する原
因となる。また、アルミ箔は引き裂きや突き刺し
に対する強度も低く、取り扱い中の破損も起こり
やすい。更に、蓋材を所定の形状に成形する際、
深絞り部分ではその部分のみのアルミ箔が伸びて
極めて薄くなつており、この点からもピンホール
が生じやすい。
However, the following problems have arisen with the lid having a heat-sealing layer formed on aluminum foil. In other words, when vibrations are applied during the transportation of the package, the ribs of the lid and the wrinkles that occur when the dome-shaped part is turned over repeatedly bend. The structure is prone to pinholes, which can lead to leaks and the intrusion of bacteria. Additionally, aluminum foil has low strength against tearing and piercing, and is easily damaged during handling. Furthermore, when forming the lid material into a predetermined shape,
In deep drawing areas, the aluminum foil stretches and becomes extremely thin, making pinholes more likely to occur.
本考案の目的は、これらの点を改善した蓋体を
提供することにある。 An object of the present invention is to provide a lid that improves these points.
本考案のホツトパツク容器用蓋体は、第１図Ａ
に基本的構成を示すような、合成樹脂の延伸フイ
ルム１２の内側面にアルミ箔１１およびヒートシ
ール層１３を順に設けた積層材１を、第２図或い
は第３図に示すような、容器内の減圧による体積
収縮を吸収し得る大きさの凹凸若しくはドーム状
部を有する形状に成形したものである。
The hot pack container lid of the present invention is shown in Figure 1A.
A laminated material 1, the basic structure of which is shown in FIG. 2 or 3, is placed in a container as shown in FIG. It is molded into a shape having irregularities or a dome-shaped portion large enough to absorb the volumetric contraction caused by the reduced pressure.
積層材１は、第１図Ａに示す、基本的な構成の
ほか、種々の層構成があり得る。たとえば、第１
図Ｂに示すような紙１４をはさんだものなどであ
り、合成樹脂フイルムを更に２層又はそれ以上と
することもできる。 The laminated material 1 may have various layer configurations in addition to the basic configuration shown in FIG. 1A. For example, the first
It may be made of paper 14 sandwiched therebetween as shown in Figure B, and may also have two or more layers of synthetic resin film.
アルミ箔の厚さは、従来の蓋材の30〜130μよ
りは薄くできるが、15μは必要であり、成形性の
点からは30μ又はそれ以上であることが好まし
い。 The thickness of the aluminum foil can be made thinner than the 30 to 130 μm of conventional lidding materials, but 15 μm is necessary, and from the viewpoint of formability, it is preferably 30 μm or more.
合成樹脂の延伸フイルム１２は、ナイロン、ポ
リエステル、ポリプロピレン、高密度ポリエチレ
ン等の延伸フイルムが適当である。延伸フイルム
は、強度が大きく上に、成形時に伸びがフイルム
全体に均一に及ぶため均一な成形ができ、局部的
な薄肉部の発生を防止できるという利点がある。
フイルムの厚さは、10〜20μで足り。アルミ箔と
の貼に合わせには、ドライラミネーシヨンが好都
合である。 The synthetic resin stretched film 12 is suitably a stretched film of nylon, polyester, polypropylene, high-density polyethylene, or the like. Stretched films have the advantage that they have high strength, and that they can be uniformly molded because they are elongated uniformly over the entire film during molding, and can prevent the formation of localized thin sections.
A film thickness of 10 to 20μ is sufficient. Dry lamination is convenient for lamination with aluminum foil.
ヒートシール層はポリエチレンでよく、必要で
あれば（容器本体の端を内側に折り返して蓋体の
外側面にシールするような場合）、積層材の外側
面にも設ける。そのほか、ポリプロピレン等もヒ
ートシール層として使用できる。 The heat seal layer may be polyethylene and is also provided on the outer surface of the laminate if necessary (such as when the end of the container body is folded inward and sealed to the outer surface of the lid). In addition, polypropylene and the like can also be used as the heat seal layer.
上述の積層材１は、既知の成形技術で蓋体とす
る。第２図は、減圧吸収のための同心円状リブか
らなる凹凸を有する蓋体１Ａを、カツプ型の容器
本体２Ａに組み合わせた例である。カツプ型容器
は、紙製、合成樹脂製のほか、紙と合成樹脂を複
合したものなどがある。 The above-mentioned laminated material 1 is formed into a lid using a known molding technique. FIG. 2 shows an example in which a lid 1A having concave and convex concave and convex portions made of concentric ribs for absorbing reduced pressure is combined with a cup-shaped container body 2A. Cup-shaped containers are made of paper, synthetic resin, or a combination of paper and synthetic resin.
第３図は、減圧吸収のためのドーム状部を形成
した蓋体１Ｂを、筒状の容器本体２Ｂの底蓋とし
て用いた例である。筒状容器は、前記した紙製多
層包装材を用いたものが多い。上下に蓋を有する
容器に対して、本考案の蓋体はいずれか一方に用
いてもよいし、両方に用いてもよく、もちろんそ
れが好ましい。一方だけに用いた場合、他方の蓋
は従来どおりの層構成の蓋材を使用すればよい。 FIG. 3 shows an example in which a lid 1B having a dome-shaped portion for absorbing reduced pressure is used as a bottom lid of a cylindrical container body 2B. Many cylindrical containers are made using the above-mentioned paper multilayer packaging material. For containers that have lids on the top and bottom, the lid of the present invention may be used for either one or both, which is of course preferable. When used only for one side, a lid material with a conventional layered structure may be used for the other lid.
本考案の蓋体は、多数の凹凸（第２図参照）や
ドーム状部（第３図参照）を備えており、これら
の部分が変形することによつて、減圧による容器
胴部の変形を防ぐことができる。
The lid of the present invention has a large number of unevenness (see Figure 2) and a dome-shaped part (see Figure 3), and these parts deform to prevent the container body from deforming due to reduced pressure. It can be prevented.
更に、この蓋体の材料として、アルミ箔とヒー
トシール層に加えて、合成樹脂の延伸フイルムを
積層した積層材を用いることにより、この延伸フ
イルムがアルミ箔の欠点を補う。すなわち、凹凸
やドーム状部に加わる振動によつて例えアルミ箔
にピンホールが生じても延伸フイルムにはピンホ
ールが生じないので、洩れや雑菌の侵入を防止
し、また、延伸フイルムは引き裂きや突き刺しに
対する強度が高いので、取り扱い中の破損を防止
する。更に、延伸フイルムは引張り強度が大きい
ので、アルミ箔と延伸フイルムとの積層材を成形
する際、例え深絞り部分があつても、成形時に伸
びが積層材全体に比較的均一に及び、アルミ箔の
極く薄い部分の発生が少なく、良好な成形が可能
である。このため、第２図、第３図に示すような
大きい屈曲部を有する蓋体１Ａ、１Ｂを容易に成
形でき、かつこの蓋体１Ａ，１Ｂは使用中ピンホ
ールが発生することなく、長期に渡つて良好に使
用できる。 Furthermore, by using a laminated material in which a stretched synthetic resin film is laminated in addition to aluminum foil and a heat-sealing layer as a material for the lid, the stretched film compensates for the drawbacks of aluminum foil. In other words, even if pinholes are formed in the aluminum foil due to vibrations applied to the unevenness or dome-shaped part, no pinholes will be formed in the stretched film, which prevents leakage and the intrusion of germs, and also prevents the stretched film from tearing. High strength against punctures prevents breakage during handling. Furthermore, stretched film has high tensile strength, so when forming a laminate of aluminum foil and stretched film, even if there is a deep drawing part, the elongation is relatively uniform throughout the laminate during forming, and the aluminum foil There is little occurrence of extremely thin parts, and good molding is possible. Therefore, it is possible to easily mold the lids 1A and 1B having large bending parts as shown in FIGS. It can be used in good condition.
以上のように本考案の蓋体は、合成樹脂の延伸
フイルムにアルミ箔とヒートシール層を設けた積
層材から構成されるので、容器内の減圧による体
積収縮を吸収し得る大きさの凹凸若しくはドーム
状部を有する形状に成形しても、ピンホールの発
生や極薄部分の発生がなく、また輸送中等に凹凸
やドーム状部に振動が加わり、屈曲部が繰り返し
変形しても、ピンホールの発生がなく、更に取り
扱い中の破損を防止でき、ホツトパツク容器用の
蓋体として、極めて好適に使用できるという効果
を有している。
As described above, the lid of the present invention is made of a laminated material made of a stretched synthetic resin film with aluminum foil and a heat-sealing layer. Even when molded into a shape with a dome-shaped part, there is no occurrence of pinholes or ultra-thin parts, and even if the bent part is repeatedly deformed due to vibrations applied to the unevenness or dome-shaped part during transportation, there will be no pinholes. This has the effect that there is no occurrence of damage, and furthermore, damage during handling can be prevented, and it can be used very suitably as a lid for a hot pack container.
第１図は、本考案のホツトパツク容器用の蓋体
を作るための蓋体の構成を示す断面図であつて、
第１図Ａは基本的態様を、第１図Ｂは変更態様を
それぞれあらわす。第２図および第３図は、いず
れも本考案の蓋体をホツトパツク容器に適用した
例を示す断面図である。
１……積層材、１Ａ，１Ｂ……蓋体、２Ａ，２
Ｂ……容器本体、１１……アルミ箔、１２……合
成樹脂の延伸フイルム、１３……ヒートシール
層。
FIG. 1 is a sectional view showing the structure of a lid for making a lid for a hot pack container according to the present invention,
FIG. 1A shows a basic embodiment, and FIG. 1B shows a modified embodiment. 2 and 3 are sectional views showing an example in which the lid of the present invention is applied to a hot pack container. 1... Laminated material, 1A, 1B... Lid, 2A, 2
B... Container body, 11... Aluminum foil, 12... Stretched synthetic resin film, 13... Heat seal layer.
Claims (1)
ミ箔１１及びヒートシール層１３を順に設けた
積層材１を、容器内の減圧による体積収縮を吸
収し得る大きさの凹凸若しくはドーム状部を有
する形状に成形してなるホツトパツク容器用の
蓋体。 (2) カツプ型の、合成樹脂成形容器、紙製容器ま
たは紙／合成樹脂複合容器に対して使用する実
用新案登録請求の範囲第１項の蓋体。 (3) 筒状の、紙製多層包装材製容器に対して使用
する実用新案登録請求の範囲第１項の蓋体。[Claims for Utility Model Registration] (1) The laminated material 1, which is made of a stretched synthetic resin film 12 with an aluminum foil 11 and a heat-sealing layer 13 sequentially provided on the inner surface, is made of a material having a size that can absorb the volumetric shrinkage due to reduced pressure inside the container. A lid for a hot pack container formed into a shape having a concavo-convex or dome-like part. (2) A lid according to Claim 1 of the Utility Model Registration Claim, which is used for a cup-shaped synthetic resin molded container, paper container, or paper/synthetic resin composite container. (3) A lid according to Claim 1 of the Utility Model Registration Claim, which is used for a cylindrical container made of a paper multilayer packaging material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10011683U JPS608033U (en) | 1983-06-30 | 1983-06-30 | Lid body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10011683U JPS608033U (en) | 1983-06-30 | 1983-06-30 | Lid body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS608033U JPS608033U (en) | 1985-01-21 |
| JPH0339237Y2 true JPH0339237Y2 (en) | 1991-08-19 |
Family
ID=30236978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10011683U Granted JPS608033U (en) | 1983-06-30 | 1983-06-30 | Lid body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS608033U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH046902Y2 (en) * | 1986-01-31 | 1992-02-25 | ||
| JP2574702Y2 (en) * | 1992-09-04 | 1998-06-18 | 三菱アルミニウム株式会社 | Partial opening lid |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5925644Y2 (en) * | 1978-10-30 | 1984-07-27 | 東洋アルミニウム株式会社 | Heat-sealing lid material for food and drink containers |
| JPS55134941U (en) * | 1979-03-19 | 1980-09-25 |
-
1983
- 1983-06-30 JP JP10011683U patent/JPS608033U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS608033U (en) | 1985-01-21 |
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