JP6534547B2 - Food container - Google Patents
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- JP6534547B2 JP6534547B2 JP2015069458A JP2015069458A JP6534547B2 JP 6534547 B2 JP6534547 B2 JP 6534547B2 JP 2015069458 A JP2015069458 A JP 2015069458A JP 2015069458 A JP2015069458 A JP 2015069458A JP 6534547 B2 JP6534547 B2 JP 6534547B2
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- lid
- inner seal
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- open
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- 235000013305 food Nutrition 0.000 title claims description 15
- 238000007789 sealing Methods 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000012943 hotmelt Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 2
- 206010040844 Skin exfoliation Diseases 0.000 claims 1
- 239000004743 Polypropylene Substances 0.000 description 11
- -1 polyethylene Polymers 0.000 description 11
- 229920001155 polypropylene Polymers 0.000 description 11
- 229920000139 polyethylene terephthalate Polymers 0.000 description 8
- 239000005020 polyethylene terephthalate Substances 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 7
- 229920000573 polyethylene Polymers 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 101150038956 cup-4 gene Proteins 0.000 description 5
- 239000004626 polylactic acid Substances 0.000 description 5
- 239000004793 Polystyrene Substances 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 229920005992 thermoplastic resin Polymers 0.000 description 3
- 235000013361 beverage Nutrition 0.000 description 2
- 235000013351 cheese Nutrition 0.000 description 2
- 235000009508 confectionery Nutrition 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 229920000747 poly(lactic acid) Polymers 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 235000015071 dressings Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005026 oriented polypropylene Substances 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
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- Closures For Containers (AREA)
Description
本発明は、例えば粉チーズ、ふりかけ、ドレッシング、菓子、飲料のような食品の包装材料である食品容器に関する。 The present invention relates to a food container which is a packaging material of food such as, for example, powdered cheese, sprinkled, dressing, confectionery, and beverage.
例えば、粉チーズやふりかけのような食品の包装材料として、両端に開口を有する円筒状の容器本体と、上部に開口を有し、この開口を開閉する開閉蓋をヒンジを介して一体的に形成し、当該容器本体の上部に着脱可能に組付けた上蓋と、当該容器本体の下部開口を閉塞する底蓋の、３つの部位を備えて構成された容器が知られている（図６、または特許文献１） また、飲料や菓子容器として、例えば、カップ形状の容器本体と、上部に開口を有し、この開口を開閉する開閉蓋をヒンジを介して一体的に形成し、当該容器本体の上部に着脱可能に組付けた上蓋の、２つの部位を備えて構成された容器が知られている（特許文献２）。 For example, as a packaging material for food such as powdered cheese and sprinkles, a cylindrical container body having an opening at both ends and an opening at the top, and an open / close lid for opening and closing the opening is integrally formed via a hinge There is known a container comprising three parts, an upper lid removably attached to the upper portion of the container body and a bottom lid closing the lower opening of the container body (FIG. 6, or Patent Document 1) Furthermore, as a beverage or confectionery container, for example, a cup-shaped container main body and an opening at the top, and an open / close lid for opening and closing the opening is integrally formed via a hinge There is known a container configured to include two parts of an upper lid that is detachably attached to the upper part (Patent Document 2).
また、この様な容器では、密封性を付与する為に、容器本体の開口部に剥離可能なインナーシールを施すことが可能である。 In addition, in such a container, it is possible to apply a peelable inner seal to the opening of the container body in order to provide a sealing property.
しかしながら、上述した従来の容器は、図６に示すように、喫食開始時に、一旦、上蓋３を取り除いた後に、胴部開口部を覆うインナーシール２５を剥離開封し、再び上蓋３を取り付け使用する為、開封作業に時間を要するという問題があった。 However, as shown in FIG. 6, after removing the upper lid 3 once at the start of eating, the conventional container described above peels and opens the inner seal 25 covering the opening of the trunk and attaches the upper lid 3 again for use. Because of this, there was a problem that it took time for the opening work.
本発明は、下記の特徴を有する容器である。
（１）蓋部に設けられた開口部と、蓋部と一体成型され、開口部を開閉可能に覆う開閉蓋と、開口部および開閉蓋との間に設けられたインナーシールとを備え、インナーシールは、当該インナーシールの一方の面側に設けられ、開口部の縁部と接着する内面シール層と、当該インナーシールの他方の面側に設けられ、開閉蓋内面と接着する表面シール層とを備え、表面シール層と開閉蓋との接着強度が内面シール層と開口部の縁部との接着強度より強いことを特徴とする食品容器。
（２）（１）記載の容器において、開閉蓋とインナーシールの表面シール層との接着、および開口部の縁部と前記インナーシールの内面シール層との接着の少なくともいずれか一方が、熱溶融樹脂または感圧形接着剤により成されることを特徴とする食品容器。
（３）（１）または（２）の容器において、開閉蓋がヒンジを介して蓋部に設けられており、開封蓋とインナーシールが少なくともインナーシールの外周部剥離開始部で接着していることを特徴とする食品容器。
（４）（１）から（３）のいずれかの容器において、インナーシールが金属層を少なくとも１層含む複数の層で構成されており、インナーシールが開口部の縁部とインナーシールの内面シール層、および開閉蓋とインナーシールの表面シール層のそれぞれが接着されたことを特徴とする食品容器。
（５）（４）記載の容器において、インナーシールに含まれる金属層がアルミから成ることを特徴とする食品容器。
The present invention is a container having the following features.
(1) and the opening provided in the cover portion is integrally molded with the lid portion includes a lid for covering an opening in an openable and closable, and an inner seal provided between the opening and closing lid, inner The seal is provided on one surface side of the inner seal, and an inner seal layer adhering to the edge of the opening, and a surface seal layer provided on the other surface side of the inner seal and adhered to the inner surface of the opening / closing lid A food container characterized in that the adhesive strength between the surface seal layer and the open / close lid is stronger than the adhesive strength between the inner surface seal layer and the edge of the opening.
(2) (1) A container according adhesion between the surface sealing layer of the lid and the inner seal, and at least one of adhesion of the edge portion of the opening portion and the inner seal of the inner surface sealing layer, hot melt A food container comprising a resin or a pressure sensitive adhesive.
(3) In the container of (1) or (2), the open / close lid is provided on the lid portion via the hinge, and the opening lid and the inner seal are adhered at least at the outer peripheral portion peeling start portion of the inner seal Food container characterized by
(4) In the container according to any one of (1) to (3), the inner seal is formed of a plurality of layers including at least one metal layer, and the inner seal is an inner seal of the edge of the opening and the inner seal. layer, and food containers, each of the surface sealing layer of the lid and the inner seal is characterized in that it is bonded.
(5) (4) A container according, food containers metal layer included in the inner seal is characterized in that it consists of aluminum.
開閉蓋とインナーシールの接着強度が、開口部とインナーシールとの接着強度より高いため、使用開始時には、開閉蓋を引き上げるとほぼ同時に、開口部と接着しているインナーシール内面シール層が剥離するため、内容物の密封性を保ちながら、１つの開封動作でインナーシールまで開封することが出来る。 Since the adhesive strength between the opening and closing lid and the inner seal is higher than the adhesion strength between the opening and the inner seal, the inner seal sealing layer adhering to the opening peels off at the same time as pulling up the opening lid at the start of use. Therefore, it is possible to open up to the inner seal by one opening operation while maintaining the sealability of the contents.
以下、本発明に係る容器の実施形態について図面を参照して説明する。
〔容器の構成〕
図１に示すように、本実施形態に係る容器は、開口部４０とヒンジ式の開閉蓋１０と胴部３０が一体成型された本体１、開口部４０と開閉蓋１０との間に設けられたインナーシール２０と、前記本体の底開口部３１を閉塞する底栓２と、を備えている。開閉蓋１０が未開封で閉じられた状態では、インナーシール２０は、その一方の面で開口部４０の縁部と接着し、他方の面で開閉蓋１０の開口部側である開閉蓋内面１１と接着している。
Hereinafter, an embodiment of a container according to the present invention will be described with reference to the drawings.
[Configuration of container]
As shown in FIG. 1, the container according to the present embodiment is provided between the opening 40, the opening / closing lid 10 and the opening / closing lid 10 with the opening 40, the hinge-type opening / closing lid 10 and the body 30 integrally formed. The inner seal 20 and the bottom plug 2 closing the bottom opening 31 of the main body are provided. When the lid 10 is unopened and closed, the inner seal 20 adheres to the edge of the opening 40 on one side thereof, and the inner surface 11 of the lid on the other side is the opening side of the lid 10. Bonded with.
ヒンジ式の開閉蓋１０と胴部３０が一体成型された本体１の材質は、合成樹脂材料、例えばポリエチレン（ＰＥ）、ポリプロピレン（ＰＰ）、ポリスチレン（ＰＳ）、ポリエチレンテレフタレート（ＰＥＴ）、ポリ乳酸（ＰＬＡ）等の熱可塑性樹脂を、例えば射出成型することで形成できる。 The material of the main body 1 in which the hinge-type opening / closing lid 10 and the body portion 30 are integrally molded is a synthetic resin material such as polyethylene (PE), polypropylene (PP), polystyrene (PS), polyethylene terephthalate (PET), polylactic acid The thermoplastic resin such as PLA) can be formed, for example, by injection molding.
ヒンジ式の開閉蓋１０と胴部３０が一体成型された本体は、開閉蓋１０を閉じた際に、開閉蓋１０によって下側に位置する開口部４０が覆われるように成型されている。 The main body in which the hinge-type opening / closing lid 10 and the body portion 30 are integrally formed is formed so that when the opening / closing lid 10 is closed, the opening 40 located on the lower side is covered by the opening / closing lid 10.
〔インナーシールの構成〕
インナーシール２０の材質は、紙、合成樹脂、例えば、エチレン（ＰＥ）、ポリプロピレン（ＰＰ）、ポリスチレン（ＰＳ）、ポリエチレンテレフタレート（ＰＥＴ）、ポリ乳酸（ＰＬＡ）等の熱可塑性樹脂、あるいはアルミのような金属箔で形成することができる。また、それらを積層化または複合化させた材質により形成しても良い。
[Configuration of inner seal]
The material of the inner seal 20 is a paper, a synthetic resin such as, for example, a thermoplastic resin such as ethylene (PE), polypropylene (PP), polystyrene (PS), polyethylene terephthalate (PET), polylactic acid (PLA), or aluminum. Metal foil. Alternatively, they may be formed of laminated or composite materials.
インナーシール２０と開口部４０の縁部との接着、およびインナーシール２０と開閉蓋内面１１との接着は、熱溶着、例えば、熱シール、高周波シール、超音波シール、または感圧接着により成される。 The adhesion between the inner seal 20 and the edge of the opening 40 and the adhesion between the inner seal 20 and the inner surface 11 of the opening and closing lid are achieved by thermal welding, for example, heat sealing, high frequency sealing, ultrasonic sealing, or pressure sensitive adhesion. Ru.
熱溶着される場合は、インナーシール２０の表面シール層２１と内面シール層２２は、「開閉蓋内面１１と表面シール層２１の接着強度＞開口部４０の縁部と内面シール層２２の接着強度」の関係が成り立つことが好ましい。例えば、開口部４０および開閉蓋１０を有する容器がＰＰを用いて成型される場合、表面シール層２１には、ＰＰと完全溶着する無延伸ポリプロピレン（ＣＰＰ）等、内面シール層２２は、ＰＰと軽接着するホットメルト樹脂等が使用できる。 In the case of thermal welding, the surface seal layer 21 and the inner surface seal layer 22 of the inner seal 20 are “adhesive strength of the inner surface 11 of the open / close lid 11 and the surface seal layer 21> adhesive strength of the edge of the opening 40 and the inner surface seal layer 22 It is preferable that the following relationship be established. For example, when the container having the opening 40 and the open / close lid 10 is molded using PP, the surface seal layer 21 may be formed of PP such as non-oriented polypropylene (CPP) completely welded to PP. It is possible to use a hot melt resin or the like for light bonding.
これにより、容器を開封するために開閉蓋１０を引き上げた際に、インナーシール２０の内面シール層２２は開口部４０から剥離するが、表面シール層２１は開閉蓋内面１１からは剥離せずに接着が維持される為、１度の動作で開封蓋とインナーシールの剥離開封が可能となる。 As a result, when the cover 10 is pulled up to open the container, the inner seal layer 22 of the inner seal 20 peels off from the opening 40, but the surface seal layer 21 does not peel off the inner surface 11 of the open cover. Since adhesion is maintained, peeling and unsealing of the unsealing lid and the inner seal becomes possible with one operation.
また、開閉蓋内面１１は、図４に示すように、少なくともインナーシール２０の先端にあたるインナーシールの外周部２４と接着されることが好ましい。先端が接着されることで、開閉蓋を引き上げる際の軌道に沿って確実に開封が可能となる。 Further, as shown in FIG. 4, the inner surface 11 of the open / close lid is preferably bonded to the outer peripheral portion 24 of the inner seal at least at the tip of the inner seal 20. By adhering the tip, unsealing can be reliably performed along the path when pulling up the open / close lid.
また、インナーシール２０を高周波シールする場合、図５に図示するように、インナーシール２０の表面シール層２１および内面シール層２２の間に、アルミ箔等の金属層２３を設け、開閉蓋２０を閉じ、インナーシール２０の表面シール層２１と開閉蓋内面１１が、インナーシール２０の裏面シール層２２と開口部４０が、それぞれ接した状態で高周波に曝すことにより、金属層２３が発熱し、表面シール層２１および裏面シール層２２を溶融し、開封蓋内面１１および開口部４０と接着させることができる。 When the inner seal 20 is sealed at a high frequency, a metal layer 23 such as aluminum foil is provided between the surface seal layer 21 and the inner seal layer 22 of the inner seal 20 as shown in FIG. The metal layer 23 generates heat when the surface seal layer 21 of the inner seal 20 and the inner surface 11 of the open / close lid are exposed to a high frequency while the back seal layer 22 of the inner seal 20 and the opening 40 are in contact with each other. The seal layer 21 and the back seal layer 22 can be melted and adhered to the opening lid inner surface 11 and the opening 40.
また、図２に示すように、開口部４０とヒンジ式の開閉蓋１０を有する上蓋３と、開口部４０および開閉蓋内面１１と接着するインナーシール２０と、両端に開口部を有する筒状の胴体３０と前記胴体の底開口部３１を閉塞する底栓２とを備える構成にしても良い。上蓋３および胴部３０は、合成樹脂材料、例えばポリエチレン（ＰＥ）、ポリプロピレン（ＰＰ）、ポリスチレン（ＰＳ）、ポリエチレンテレフタレート（ＰＥＴ）、ポリ乳酸（ＰＬＡ）等の熱可塑性樹脂を用いて、例えば射出成型によって形成することができる。本実施形態のように上蓋３と胴部３０を一体に成形しない場合、上蓋３と胴部３０それぞれを異なる材質で形成してもよい。 Further, as shown in FIG. 2, an upper lid 3 having an opening 40 and a hinge-type opening and closing lid 10, an inner seal 20 adhering to the opening 40 and the opening and closing lid inner surface 11, and a tubular shape having openings at both ends. It may be configured to include a body 30 and a bottom plug 2 closing the bottom opening 31 of the body. The upper lid 3 and the body portion 30 are made of, for example, a thermoplastic resin such as polyethylene (PE), polypropylene (PP), polystyrene (PS), polyethylene terephthalate (PET), polylactic acid (PLA), etc. It can be formed by molding. When the upper lid 3 and the body portion 30 are not integrally formed as in the present embodiment, the upper lid 3 and the body portion 30 may be formed of different materials.
また、図１および図２に示した実施形態では容器の胴部と底栓を別体としたが、図３に示すように、開口部４０とヒンジ式の開閉蓋を有する上蓋３と、前記開口部４０および前記開閉蓋内面１１と接着するインナーシール２０と、有底筒状のカップ４とを備える構成にしても良い。有底筒状のカップ４の材質は、上蓋３と同じく、合成樹脂材料、例えばポリエチレン（ＰＥ）、ポリプロピレン（ＰＰ）、ポリスチレン（ＰＳ）、ポリエチレンテレフタレート（ＰＥＴ）、ポリ乳酸（ＰＬＡ）等の熱可塑性樹脂を用いて、例えば射出成型によって形成することができる。本実施形態の場合、開封性に優れるだけでなく、従来のように上蓋３とカップ４の間にインナーシールを設けなくてもよい為、上蓋３とカップ４を溶着させて一体化させることが可能となり、上蓋３とカップ４の隙間から内容物の漏れや異物の混入を防ぐことができる。 In the embodiment shown in FIGS. 1 and 2, the body and the bottom plug of the container are separately provided, but as shown in FIG. 3, the upper cover 3 having the opening 40 and the hinged opening and closing lid, You may make it the structure provided with the inner seal | sticker 20 adhere | attached with the opening part 40 and the said opening-closing lid inner surface 11, and the bottomed cylindrical cup 4. FIG. The material of the bottomed cylindrical cup 4 is, like the upper lid 3, a synthetic resin material such as polyethylene (PE), polypropylene (PP), polystyrene (PS), polyethylene terephthalate (PET), polylactic acid (PLA), etc. It can be formed, for example, by injection molding using a plastic resin. In the case of the present embodiment, not only the openability is excellent, but it is not necessary to provide the inner seal between the upper lid 3 and the cup 4 as in the prior art, so the upper lid 3 and the cup 4 are welded and integrated This can prevent the leakage of contents and the entry of foreign matter from the gap between the upper lid 3 and the cup 4.
以上、本発明の実施の形態とその作用効果を実施例に沿って説明したが、本発明の実施の形態は上記実施例に限定されるものではない。例えば、ヒンジ式の開閉蓋１０は、異なる部位として成型して組み付けることが可能である。 As mentioned above, although embodiment of this invention and its effect were demonstrated along the Example, embodiment of this invention is not limited to the said Example. For example, the hinge-type lid 10 can be molded and assembled as different portions.
以上説明したように、本発明の容器は、インナーシールによる密封性を得ながら、ヒンジ式開封蓋の開封とほぼ同時にインナーシールを剥離し、少ない開封動作で容器の開封を可能にできるものであり、食品等の分野での幅広い利用展開が期待できる。 As described above, the container of the present invention is capable of peeling the inner seal almost simultaneously with the opening of the hinge type opening lid while obtaining the sealing property by the inner seal, and enabling the opening of the container with a small opening operation. Can be expected to be widely used in food and other fields.
１・・・本体
２・・・底栓
３・・・上蓋
４・・・有底筒状のカップ
１０・・・開閉蓋
１１・・・開閉蓋内面
２０・・・インナーシール
２１・・・表面シール層
２２・・・内面シール層
２３・・・金属層
２４・・・外周部
２５・・・胴部開口部を覆うインナーシール
３０・・・胴部
３１・・・底開口部
４０・・・開口部
DESCRIPTION OF SYMBOLS 1 ... Body 2 ... Bottom plug 3 ... Top lid 4 ... Bottomed cylindrical cup 10 ... Opening-closing lid 11 ... Opening-closing lid inner surface 20 ... Inner seal 21 ... Surface Seal layer 22 ··· Inner surface seal layer 23 · · · Metal layer 24 · · · Outer peripheral portion 25 · · · Inner seal covering the body opening 30 · · · Body 31 · · · Bottom opening 40 · · · Aperture
Claims (5)
前記蓋部と一体成型され、前記開口部を開閉可能に覆う開閉蓋と、
前記開口部および前記開閉蓋との間に設けられたインナーシールとを備え、
前記インナーシールは、当該インナーシールの一方の面側に設けられ、前記開口部の縁部と接着する内面シール層と、当該インナーシールの他方の面側に設けられ、前記開閉蓋内面と接着する表面シール層とを備え、前記表面シール層と前記開閉蓋との接着強度が前記内面シール層と前記開口部の縁部との接着強度より強いことを特徴とする食品容器。 An opening provided in the lid,
An open / close lid that is integrally molded with the lid portion and covers the opening portion so as to open and close ;
An inner seal provided between the opening and the opening / closing lid;
The inner seal is provided on one surface side of the inner seal, and is provided on an inner surface sealing layer adhering to the edge of the opening and on the other surface side of the inner seal and bonded to the inner surface of the open / close lid A food container comprising a surface seal layer , wherein the adhesive strength between the surface seal layer and the open / close lid is stronger than the adhesive strength between the inner surface seal layer and the edge of the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015069458A JP6534547B2 (en) | 2015-03-30 | 2015-03-30 | Food container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015069458A JP6534547B2 (en) | 2015-03-30 | 2015-03-30 | Food container |
Publications (2)
| Publication Number | Publication Date |
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| JPS4925869B1 (en) * | 1969-01-20 | 1974-07-04 | ||
| JP2551637B2 (en) * | 1987-09-09 | 1996-11-06 | 出光石油化学 株式会社 | Hermetically sealed packaging container and manufacturing method thereof |
| JP2575770B2 (en) * | 1988-01-18 | 1997-01-29 | 出光石油化学株式会社 | Easy-open sealed container |
| JPH0418257A (en) * | 1990-04-27 | 1992-01-22 | Miyamoto Sangyo Kk | Lid structure for shaker bottle |
| JPH09110030A (en) * | 1995-10-19 | 1997-04-28 | Toppan Printing Co Ltd | Composite container |
| JP2003321024A (en) * | 2002-04-30 | 2003-11-11 | Toppan Printing Co Ltd | Container for beverage |
| US7055713B2 (en) * | 2002-11-12 | 2006-06-06 | Sonoco Development, Inc. | Easy-opening closure for retortable container |
| US8584876B2 (en) * | 2007-07-05 | 2013-11-19 | Kraft Foods Group Brands Llc | Food containers adapted for accommodating pressure changes using skip seals and methods of manufacture |
| JP5542508B2 (en) * | 2010-04-01 | 2014-07-09 | 昭和電工パッケージング株式会社 | Hot beverage container lid material |
| EP2514684A1 (en) * | 2011-04-20 | 2012-10-24 | Becton Dickinson France | Packaging for medical containers |
| GB201107766D0 (en) * | 2011-05-10 | 2011-06-22 | Selig Sealing Products Inc | Coloured tabbed container closure liners |
| CH708352A1 (en) * | 2013-07-16 | 2015-01-30 | Selig Sealing Products Inc | Method and apparatus for creating a tear seam on packaging films. |
| JP6263907B2 (en) * | 2013-08-30 | 2018-01-24 | 凸版印刷株式会社 | Container sealing structure and inner seal material |
| JP2014061948A (en) * | 2013-10-23 | 2014-04-10 | Uni Charm Corp | Package |
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