JPH01308772A - Lid for plastic container - Google Patents
Lid for plastic containerInfo
- Publication number
- JPH01308772A JPH01308772A JP12977588A JP12977588A JPH01308772A JP H01308772 A JPH01308772 A JP H01308772A JP 12977588 A JP12977588 A JP 12977588A JP 12977588 A JP12977588 A JP 12977588A JP H01308772 A JPH01308772 A JP H01308772A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- peeling
- polyethylene
- opening
- easy
- 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.)
- Pending
Links
- 229920003023 plastic Polymers 0.000 title claims description 12
- 239000004033 plastic Substances 0.000 title claims description 12
- 239000000463 material Substances 0.000 claims abstract description 37
- -1 polyethylene Polymers 0.000 claims abstract description 26
- 239000004698 Polyethylene Substances 0.000 claims abstract description 24
- 229920000573 polyethylene Polymers 0.000 claims abstract description 24
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 15
- 239000000853 adhesive Substances 0.000 claims abstract description 13
- 229920005989 resin Polymers 0.000 claims abstract description 12
- 239000011347 resin Substances 0.000 claims abstract description 12
- 230000001070 adhesive effect Effects 0.000 claims abstract description 10
- 238000007765 extrusion coating Methods 0.000 claims abstract description 6
- 238000010030 laminating Methods 0.000 claims abstract description 5
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 4
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 4
- 239000010409 thin film Substances 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 229920002799 BoPET Polymers 0.000 abstract description 4
- 235000013305 food Nutrition 0.000 abstract description 3
- 239000005022 packaging material Substances 0.000 abstract description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 66
- 239000010408 film Substances 0.000 description 10
- 239000012790 adhesive layer Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 206010064488 Tongue exfoliation Diseases 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 240000008620 Fagopyrum esculentum Species 0.000 description 1
- 235000009419 Fagopyrum esculentum Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005003 food packaging material Substances 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はカップ麺、焼きソバ、インスタントライス、牛
乳、ジェース等を収納する、両面コート紙、プラスチッ
ク製容器の蓋材に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a lid material for a double-sided coated paper or plastic container for storing cup noodles, fried soba, instant rice, milk, juice, etc.
（従来の技術〕
この種プラスチック製容器の蓋材は容器開口部にヒート
シーリングされることにより、内容物を密封して保存さ
せるものであるが、使用時にはヒートシーリング部より
剥離され、お湯等をその開口部より注ぎ、再シールする
ことにより保温し食用に供せられるものである。(Prior art) The lid of this type of plastic container is heat-sealed to the opening of the container to seal and preserve the contents, but when it is used, it is peeled off from the heat-sealed part and hot water etc. It is poured through the opening and resealed to keep it warm and edible.
しかしながら従来の蓋材は、剥離層と容器開口部を接着
するにあたって再接着可能なものもあって改ざんされや
すく、毒物混入の可能性を有するという問題があり、と
いって保温時には再シールされる必要があり、矛盾する
課題を有している。However, conventional lid materials have the problem of being easily tampered with when adhering the release layer and the container opening, as some can be re-adhered, and there is a possibility that poisonous substances may be mixed in. It is necessary and has contradictory issues.
本発明のプラスチック容器における蓋材は、表面基材層
とアルミニウム薄膜層とを積層し、このアルミニウム薄
膜層面に押し出しコーティングによりポリエチレン層を
積層してなる第１剥、１ｉ１１層と、該ポリエチレン層
を接着剤とし、開口部を設けた剥離基材層を第１剥離層
に積層して接着し、次いでその剥離基材層側に、容器端
部との接着剤としてポリエチレン層、またイージービー
ル性樹脂層を塗布してなる第２剥離層とからなり、特に
上記イージービール性層が、エチレン−酢酸ビニル共重
合樹脂、エチレン−アクリル酸共重合樹脂をコーティン
グすることにより形成されることを第１の特ｔ＆とする
ものである。The lid material for the plastic container of the present invention has a first peeling layer 1i11 formed by laminating a surface base material layer and an aluminum thin film layer, and a polyethylene layer laminated by extrusion coating on the surface of the aluminum thin film layer, and the polyethylene layer. A release base layer as an adhesive and provided with an opening is laminated and adhered to the first release layer, and then a polyethylene layer as an adhesive with the edge of the container and an easy-beer resin are applied to the release base layer side. and a second release layer formed by coating a layer, and in particular, the easy-beer layer is formed by coating an ethylene-vinyl acetate copolymer resin or an ethylene-acrylic acid copolymer resin. This is a special t&.
また上記第１剥離層におけるアルミニウム薄膜層裏面、
また第２剥離層における薄膜基材両面に文字、絵柄、記
号等が、透明インキ、また有色インキにより印刷されて
おり、特にその表示が「当たり」、「はずれ」の表示で
あることもできることを第２の特徴とするものである。Further, the back surface of the aluminum thin film layer in the first peeling layer,
In addition, characters, patterns, symbols, etc. are printed on both sides of the thin film base material in the second release layer using transparent ink or colored ink, and in particular, it is possible to display "hit" or "miss". This is the second feature.
尚、第２剥離層における開口部は適宜位置に配置されて
いいが、本発明の蓋材をお湯等を注ぎ込むインスタント
食品の包装材として使用する場合には、容器開口部端部
にその一端を合わせるとお湯抜きの際に容易である。ま
たその形状としては第１図に示すように完全に開口して
もよく、また第３図に示すように半切れ加工し、使用時
に開口しうるようにしてもよい。The opening in the second release layer may be placed at an appropriate position, but when the lid of the present invention is used as a packaging material for an instant food into which hot water or the like is poured, one end of the opening may be placed at the edge of the container opening. If you put them together, it will be easier to drain the hot water. Further, as for its shape, it may be completely opened as shown in FIG. 1, or it may be cut in half as shown in FIG. 3 so that it can be opened during use.
また上記表面基材層としてはプラスチックフィルム、例
えばポリエチレンテレフタレート（以下、ＰＥＴという
）フィルム、或いは紙、例えば両面コート紙等が使用さ
れ、また剥離基材層としては、ＰＥＴフィルム、ポリア
ミドフィルム、延伸ポリプロピレンフィルム等が使用さ
れる。Further, as the surface base material layer, a plastic film such as a polyethylene terephthalate (hereinafter referred to as PET) film or paper such as double-sided coated paper is used, and as the release base material layer, a PET film, a polyamide film, a stretched polypropylene film, etc. are used. Film etc. are used.
〔作用〕−
本発明は第１剥離層と第２剥離層、また第２俵１離層と
容器開口部端部との接着を、それぞれ押し出しコーティ
ングにより形成されるポリエチレン層、またポリエチレ
ンとイージゴビール層を接着剤として使用して接着させ
、ポリエチレン層とＰＥＴｌ、またはポリエチレン層、
またイー・ジ−ピール性樹脂層と容器開口部端部との界
面で剥離させ、剥離後は、ポリエチレン層は再接着力を
持たないことを利用するものである。またこのイージー
ビール性樹脂層は、容器開口部との接着性が大きい場合
には開封が困難になるので、開封のために適当な接着力
を有するものが選ばれる。[Function] - The present invention provides adhesion between the first release layer and the second release layer, as well as between the second release layer and the container opening edge, using a polyethylene layer formed by extrusion coating, and a polyethylene and easygobil layer. is used as an adhesive to bond the polyethylene layer and PETl, or the polyethylene layer,
Further, the easy-to-peel resin layer is peeled off at the interface with the edge of the opening of the container, and the fact that the polyethylene layer has no re-adhesive force after peeling is utilized. In addition, if the easy-beer resin layer has strong adhesiveness to the opening of the container, it will be difficult to open the container, so a layer having suitable adhesive strength for opening is selected.
まず剥離層の一端を剥離して剥離基材層を露出させ、剥
離基材層に形成された開口部よりお湯、またはストロ−
等を入れるが、お湯を入れるインスタント食品の包装材
の場合、開口部を剥離基材層の１／３〜ｌ／２程度とし
ておくことにより第１剥離層により簡単に塞ぐことがで
き、内容物を保温しうるちのである０食用に供する時に
は第２剥離石を容器開口部端部から剥離させるものであ
る。First, peel off one end of the release layer to expose the release base layer, and then pour hot water or straw into the opening formed in the release base layer.
However, in the case of instant food packaging materials in which hot water is added, the opening can be easily closed by the first peeling layer by leaving the opening approximately 1/3 to 1/2 of the peeling base layer. The second peeling stone is peeled off from the opening end of the container when the container is kept warm and used for edible consumption.
また第１剥離層におけるアルミニウム薄膜層の裏面、ま
た第２剥離層における剥離基材層の表面、または裏面に
商品名、製造者、製造年月日等を透明インキにより、ま
た有色インキにより印刷することにより、上記？／、１
１ Ｋｉｔ後は再接着性を有しないものを使用すること
と併せて改ざん防止機能を持たすことができるものであ
る。また上記印刷による表示として当たり、はずれ等の
獲としての表示をして商品価値を高めることもできる。In addition, the product name, manufacturer, date of manufacture, etc. are printed with transparent ink or colored ink on the back side of the aluminum thin film layer in the first release layer, or on the front or back side of the release base material layer in the second release layer. By the above? /, 1
1. In addition to using a material that does not have re-adhesive properties after the kit is completed, it can also have a tamper-proof function. In addition, the value of the product can be increased by displaying the winnings, misses, etc. as the above-mentioned printed display.
以下図面を参照しつつ、実施例を説明する。Examples will be described below with reference to the drawings.
第１図は本発明の蓋材を容器に貼着した状態の断面図、
第２図は本発明の蓋材を剥離する際の状態を示す斜視図
、第３図は本発明の蓋材に表示部を設けた状態を示す断
面図である０図中１は第１剥離層、２は第２剥離層、３
は表面基材、４は接着層、５はアルミニウム薄膜層、６
はポリエチレン層、７は剥離基材層、８はポリエチレン
層、９はイージービール性樹脂層、１０は剥離基材開口
部、１１はプラスチック容器、１２は容器開口部、１３
は表示部である。FIG. 1 is a cross-sectional view of the lid of the present invention attached to a container;
Fig. 2 is a perspective view showing the state when the lid material of the present invention is peeled off, and Fig. 3 is a sectional view showing the state where the display portion is provided on the lid material of the present invention. layer 2 is a second release layer 3
is the surface base material, 4 is the adhesive layer, 5 is the aluminum thin film layer, 6
1 is a polyethylene layer, 7 is a release base material layer, 8 is a polyethylene layer, 9 is an easy beer resin layer, 10 is a release base material opening, 11 is a plastic container, 12 is a container opening, 13
is the display section.
第１図に示すように、まず第１剥離層１として膜厚１２
μｍの容器開口部形状のＰＥＴフィルムからなる表面基
材３と、膜厚７μｍのアルミニウム薄膜５とを、ウレタ
ン系接着剤４により、接着層の膜厚が３μｍとなるよう
にドライラミネーションすることにより接着する。尚、
第１剥離層１には図示していないが、剥離するために把
持される剥離用舌部を延設して形成しておく０次いでそ
のアルミニウムＦ４’Ｊ膜Ｎ５面と抜き加工、または半
切れ加工により開口部９を設けた膜厚１２μｍのＰＥＴ
フィルムからなる剥離基材層７を、膜厚２０μｍのポリ
エチレンの押し出しコーティングにより接着させる。As shown in FIG. 1, first, a film thickness of 12
By dry laminating a surface base material 3 made of a PET film in the shape of a container opening of μm and an aluminum thin film 5 with a thickness of 7 μm using a urethane adhesive 4 so that the adhesive layer has a thickness of 3 μm. Glue. still,
Although not shown in the drawings, the first peeling layer 1 is provided with a peeling tongue to be gripped for peeling.Next, the aluminum F4'J film N5 is punched or cut in half. PET with a film thickness of 12 μm with openings 9 formed through processing
A release base layer 7 made of a film is adhered by extrusion coating of polyethylene with a thickness of 20 μm.
次いでこの積層体の剥離基材層７面にポリエチレンを押
し出しコーティングして膜厚１２μｍのポリエチレン層
８、次いでエチレン−酢酸ビニル共重合樹脂を同じく押
し出しコーティングして膜ｒｇ、３０μｍのイージービ
ール性層９を順次塗布し、第２剥＃ＪｉＪ２を第１剥＋
１．［１上に積層した。なおこのポリエチレンＮ８、イ
ージービール性層９は剥離基材開口部修部分を除いて塗
布されることができる。また図示はしていないが剥１Ｉ
１１１基材層には剥離するために把持される剥離用舌部
を延設しておく。Next, polyethylene was extruded and coated on the release base layer 7 of this laminate to form a polyethylene layer 8 with a film thickness of 12 μm, and then an ethylene-vinyl acetate copolymer resin was similarly extruded and coated to form a film rg and a 30 μm easy-beer layer 9. Sequentially apply the second coat #JiJ2 to the first coat +
1. [Laminated on top of 1. Note that this polyethylene N8 and easy-beer layer 9 can be applied to areas other than the repaired openings of the release base material. Also, although not shown, peeling 1I
The base material layer 111 is provided with a peeling tongue portion which is gripped for peeling.
また本発明のプラスチック容器蓋材を液体容器として利
用する場合には剥離基材開口部はストロ−等の差し込み
孔として使用される。Further, when the plastic container lid material of the present invention is used as a liquid container, the opening of the peelable base material is used as a hole for inserting a straw or the like.
また第３図に示すようにアルミニウム薄膜層４の裏面、
また剥離基材Ｎ６の両面に商品名、製造者等を透明イン
キにより印刷し、上記蓋材の製造に使用することができ
、また透明インキの代わりに表面基材２の両面、または
どちらか一方の面に商品名等を有色インキで印刷しても
よく、特にその表示を当たり、はずれ等の豫に使用する
ことにより商品性を高めることができる。また第１図に
示す剥離基材開口部１０に代えて、第３図に示すように
半切れ加工による開口部１４としてもよい。In addition, as shown in FIG. 3, the back surface of the aluminum thin film layer 4,
In addition, the product name, manufacturer, etc. can be printed on both sides of the release base material N6 using transparent ink, and used for manufacturing the above-mentioned lid material. A product name or the like may be printed with colored ink on the surface of the product, and the product quality can be improved by using this information to mark hits, misses, etc. Further, instead of the release base material opening 10 shown in FIG. 1, an opening 14 formed by cutting in half as shown in FIG. 3 may be used.
本発明はプラスチック容器用蓋剤として第１剥離層と第
２剥離層とからなる２重のｆａｌｌ離層を設けることに
より、インスタント食品の包装材として使用する場合に
は内容物の保温を容易にするものであり、また剥離部分
の接着層を、剥離後は再接着性を持たない接着剤を使用
し、更に第１剥離層裏面、また第２ ｒＭ離層面に商品
名、製造者、製造年月日等を例えば透明インキにより印
刷することにより改ざん防止機能を持たすことができ、
また当たり、はずれ等を表示することにより商品価値を
高めることもできるものである。By providing a double fall layer consisting of a first peeling layer and a second peeling layer as a lid for a plastic container, the present invention can easily keep the contents warm when used as a packaging material for instant foods. In addition, the adhesive layer at the peeled part is made of an adhesive that does not have re-adhesive properties after peeling, and the product name, manufacturer, and year of manufacture are also stamped on the back side of the first peeling layer and on the second rM peeling layer. By printing the month, date, etc. with transparent ink, it is possible to have a tamper-proof function.
Furthermore, the value of the product can be increased by displaying hits, misses, etc.
【図面の簡単な説明】
第１図は本発明の蓋材を容器に貼着した状態の断面図、
第２図は本発明の蓋材を剥離する際の状態を示す斜視図
、第３図は本発明の蓋材に表示部を設けた状態を示す断
面図である。
図中１は第１剥！ｉＭＮ、２は第２剥離層、３は表面基
材、４は接着層、５はアルミニウム薄膜層、６はポリエ
チレン層、７は剥離基材層、８はポリエチレン層、９は
イージービール性樹脂層、１０は！？ＪＩ離基材開口部
、１１はプラスチック容器、１２は容器開口部、１３は
表示部、１４は半切れ加工による開口部である。
第１図[Brief Description of the Drawings] Figure 1 is a cross-sectional view of the lid of the present invention attached to a container;
FIG. 2 is a perspective view showing a state in which the lid material of the present invention is peeled off, and FIG. 3 is a sectional view showing a state in which a display portion is provided on the lid material of the present invention. 1 in the figure is the first peel! iMN, 2 is a second release layer, 3 is a surface base material, 4 is an adhesive layer, 5 is an aluminum thin film layer, 6 is a polyethylene layer, 7 is a release base material layer, 8 is a polyethylene layer, 9 is an easy-to-beer resin layer , 10 is! ? JI base material opening, 11 is a plastic container, 12 is a container opening, 13 is a display section, and 14 is an opening formed by half-cutting. Figure 1
Claims (3)
材層とアルミニウム薄膜層とを積層し、このアルミニウ
ム薄膜層面に押し出しコーティングによりポリエチレン
層を積層してなる第１剥離層と、該ポリエチレン層を接
着剤とし、開口部を設けた剥離基材層を上記第１剥離層
に積層して接着し、次いでその剥離基材層側に、容器端
部との接着剤としてポリエチレン層、またイージーピー
ル性樹脂層を塗布してなる第２剥離層とからなるプラス
チック容器用蓋材。(1) In a lid material for a plastic container, a surface base material layer and an aluminum thin film layer are laminated, a first peeling layer is formed by laminating a polyethylene layer on the surface of the aluminum thin film layer by extrusion coating, and the polyethylene layer is bonded with an adhesive. Then, a release base layer provided with an opening is laminated and adhered to the first release layer, and then a polyethylene layer and an easy-peel resin layer are applied to the release base layer as an adhesive to the edge of the container. A lid material for a plastic container comprising a second peeling layer formed by coating.
ル共重合樹脂、エチレン−アクリル酸共重合樹脂をコー
ティングすることにより形成される請求項１、または２
記載のプラスチック容器用蓋材。(2) Claim 1 or 2, wherein the easy-peel layer is formed by coating an ethylene-vinyl acetate copolymer resin or an ethylene-acrylic acid copolymer resin.
Lid material for plastic containers as described.
た第２剥離層における薄膜基材面に文字、絵柄、記号等
が印刷されている請求項１、または２記載のプラスチッ
ク容器用蓋材。(3) The lid material for a plastic container according to claim 1 or 2, wherein characters, designs, symbols, etc. are printed on the aluminum thin film layer of the first peeling layer and the thin film base material surface of the second peeling layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12977588A JPH01308772A (en) | 1988-05-27 | 1988-05-27 | Lid for plastic container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12977588A JPH01308772A (en) | 1988-05-27 | 1988-05-27 | Lid for plastic container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01308772A true JPH01308772A (en) | 1989-12-13 |
Family
ID=15017908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12977588A Pending JPH01308772A (en) | 1988-05-27 | 1988-05-27 | Lid for plastic container |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01308772A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007145426A (en) * | 2005-10-28 | 2007-06-14 | Kyodo Printing Co Ltd | Package, packaging bag used therefor, and commodity management method |
| JP2007320580A (en) * | 2006-05-30 | 2007-12-13 | Kyodo Printing Co Ltd | Lid material capable of forming fluid passing-through hole and container using the same |
| JP2007320581A (en) * | 2006-05-30 | 2007-12-13 | Kyodo Printing Co Ltd | Lid material capable of forming liquid passing-through-hole and container using the same |
| JP2010013116A (en) * | 2008-07-01 | 2010-01-21 | Daiwa Can Co Ltd | Lid material with tab, and method for manufacturing it |
| US7798359B1 (en) * | 2004-08-17 | 2010-09-21 | Momar Industries LLC | Heat-sealed, peelable lidding membrane for retort packaging |
| US8251236B1 (en) | 2007-11-02 | 2012-08-28 | Berry Plastics Corporation | Closure with lifting mechanism |
-
1988
- 1988-05-27 JP JP12977588A patent/JPH01308772A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7798359B1 (en) * | 2004-08-17 | 2010-09-21 | Momar Industries LLC | Heat-sealed, peelable lidding membrane for retort packaging |
| JP2007145426A (en) * | 2005-10-28 | 2007-06-14 | Kyodo Printing Co Ltd | Package, packaging bag used therefor, and commodity management method |
| JP2007320580A (en) * | 2006-05-30 | 2007-12-13 | Kyodo Printing Co Ltd | Lid material capable of forming fluid passing-through hole and container using the same |
| JP2007320581A (en) * | 2006-05-30 | 2007-12-13 | Kyodo Printing Co Ltd | Lid material capable of forming liquid passing-through-hole and container using the same |
| US8251236B1 (en) | 2007-11-02 | 2012-08-28 | Berry Plastics Corporation | Closure with lifting mechanism |
| JP2010013116A (en) * | 2008-07-01 | 2010-01-21 | Daiwa Can Co Ltd | Lid material with tab, and method for manufacturing it |
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