JP3217440U - Bag with zipper - Google Patents

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JP3217440U
JP3217440U JP2018001950U JP2018001950U JP3217440U JP 3217440 U JP3217440 U JP 3217440U JP 2018001950 U JP2018001950 U JP 2018001950U JP 2018001950 U JP2018001950 U JP 2018001950U JP 3217440 U JP3217440 U JP 3217440U
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bag
film
chuck
easily tearable
chuck tape
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義純 寺元
義純 寺元
溝淵 義輝
義輝 溝淵
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Okura Kogyo KK
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Okura Kogyo KK
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Abstract

【課題】連続生産が容易なチャック付き袋であって、開封開始手段から袋を開封した際に、袋の引裂き縁部を易引裂き性線部に沿ったものとすることができ、袋の開封部分に所望の段差を形成することができるチャック付き袋を提供する。【解決手段】開封開始手段5と、該手段5から最も離れた位置にある易引裂き性線部L11との間隔をdαとし、側縁3aと側縁3bの間隔(シール部分は含まない)をdβとしたとき、30×dα≦dβを満たす構成とする。【選択図】図1A bag with a chuck that can be easily produced continuously, and when the bag is opened from the opening start means, the tearing edge of the bag can be along the easily tearable line portion. A bag with a chuck capable of forming a desired step in a portion is provided. The distance between the opening start means 5 and the easily tearable line portion L11 located farthest from the means 5 is dα, and the distance between the side edge 3a and the side edge 3b (not including the seal portion) is set. When dβ, 30 × dα ≦ dβ is satisfied. [Selection] Figure 1

Description

本考案は表側フィルムと裏側フィルムとの間にチャックテープが取り付けられたチャック付き袋であって、開封の契機となる開封開始手段と、開封後の引裂きを誘導する易引裂き性線部が設けられたチャック付き袋に関する。   The present invention is a bag with a chuck in which a chuck tape is attached between a front film and a back film, and is provided with an opening start means that triggers opening, and an easy tear line portion that induces tearing after opening. Relates to a zippered bag.

表側フィルムと裏側フィルムとの間にチャックテープが取り付けられたチャック付き袋において、開封開始手段と、易引裂き性線部とが設けられたものが知られている。該チャック付き袋は、はさみなどの道具を用いることなく、開封開始手段から手でフィルムを引裂いて袋を開封することができる。開封後、フィルムを易引裂き性線部に沿って引裂き進めることにより、包装袋の引裂き縁部(開口部)は設計通りの意匠性に優れたものとなる。
このようなチャック付き袋においてしばしば問題となるのが、開封後の口開き性である。チャック付き袋は、チャックが閉じられていると、引裂き縁部における表側フィルムと裏側フィルムとが近接する為、口開き性が悪い。特に易引裂き性線部に沿って引裂かれたものは、表側フィルムの引裂き縁部と裏側フィルムの引裂き縁部が一直線上に重なる為、各フィルムを一枚ずつ摘むことが難しく、袋を開き難い。
2. Description of the Related Art A zippered bag in which a chuck tape is attached between a front film and a back film is known in which an opening start means and an easy tear line portion are provided. The bag with the chuck can open the bag by tearing the film by hand from the opening start means without using a tool such as scissors. By tearing the film along the easily tearable line after opening, the tearing edge (opening) of the packaging bag is excellent in design as designed.
A problem that often arises in such a bag with a chuck is the openability after opening. When the zipper is closed, the front side film and the rear side film at the tearing edge are close to each other, and the bag with a zipper has poor opening. Especially for those teared along the easy tear line, the tear edge of the front film and the tear edge of the back film overlap in a straight line, making it difficult to pick each film one by one and difficult to open the bag .

このような問題を解決する為に、表側フィルムにおける易引裂き性線部と裏側フィルムにおける易引裂き性線部とが重ならないチャック付き袋が提案されている。特許文献1は、開封時に上方向、下方向、斜め方向のいずれの方向に袋が引裂かれたとしても、引裂き縁部(引裂きの縁部)が表側フィルム(一方のフィルム)と裏側フィルム(他方のフィルム)でずれる(一致しない)包装袋に関する発明である。ずれてできた段差部分(突出部分)は袋を開口する際のつまみ部として利用できる。
特許文献1に開示された包装袋は、開封開始手段(開封開始部)が易引裂き性線部(引裂き誘導弱め線)と繋がっている為、袋を開封開始手段から引裂いた後、確実に易引裂き性線部に沿って引裂き進めることができる。しかしながら、通常、開封開始手段はカッター等により形成され、易引裂き性線部はレーザー加工機等の別手段により形成されるため、易引裂き性線部と開封開始手段とは位置ずれが生じやすい。特に開封開始手段が切込(I字状のノッチ)の場合、易引裂き性線部と開封開始手段を確実に繋げることは高難度である。
In order to solve such a problem, a bag with a chuck has been proposed in which the easy tear line portion of the front film and the easy tear line portion of the back film do not overlap. Patent Document 1 discloses that even when a bag is torn in an upward direction, a downward direction, or an oblique direction at the time of opening, a tearing edge part (a tearing edge part) has a front side film (one film) and a back side film (the other side) This is an invention relating to a packaging bag that is shifted (not coincident) with the film. The step part (protruding part) formed by shifting can be used as a knob part when opening the bag.
In the packaging bag disclosed in Patent Document 1, since the opening start means (opening start portion) is connected to the easily tearable line portion (tear-inducing weakening line), it is surely easy after the bag is torn from the opening start means. Tear can be advanced along the tearable line. However, since the opening start means is usually formed by a cutter or the like, and the easy tear line portion is formed by another means such as a laser processing machine, the easy tear line portion and the opening start means are likely to be misaligned. In particular, when the opening start means is a notch (I-shaped notch), it is highly difficult to reliably connect the easily tearable line portion and the opening start means.

特許文献2もまた、表側フィルム(表面フィルム)と裏側フィルム(裏面フィルム)に易引裂き性線部(易開封線)が形成された包装袋であって、各易引裂き性線部が重ならない包装袋に関する発明である。特許文献2には、複数の易引裂き性線部の間に開封開始手段が設けられた包装袋が開示されている。該包装袋は、易引裂き性線部と開封開始手段とを正確には位置合わせする必要がなく、連続生産し易い。   Patent Document 2 is also a packaging bag in which an easy tear line part (easy opening line) is formed on a front film (front film) and a back film (back film), and each easy tear line part does not overlap. This invention relates to a bag. Patent Document 2 discloses a packaging bag in which an opening start means is provided between a plurality of easily tearable line portions. The packaging bag does not need to accurately align the easy tear line portion and the opening start means, and is easy to continuously produce.

特開2014−218278JP2014-218278 特開2016−137930JP2016-137930A

しかしながら複数の易引裂き性線部の間に開封開始手段が設けられている場合、袋を開封開始手段から引裂いた後、引裂かれた部分が易引裂き性線部に導かれないことがある。例えば特許文献2の図1に示す包装袋の場合、表側フィルム及び裏側フィルムが開封開始手段(ノッチ5)からほぼ真横に引裂かれると、その引裂き縁部は易引裂き性線部(易開封線21aや21b)には到達せず、易引裂き性線部(易開封線21aや21b)の間に出現し、微妙に歪んだ意匠性に劣るものとなる。また引裂き縁部は表側フィルムと裏側フィルムとでずれることがなく、設計した幅の段差が形成されない。   However, when an opening start means is provided between a plurality of easy tear lines, after the bag is torn from the opening start means, the torn part may not be guided to the easy tear lines. For example, in the case of the packaging bag shown in FIG. 1 of Patent Document 2, when the front side film and the back side film are torn almost directly from the opening start means (notch 5), the tearing edge portion is an easy tear line portion (easy opening line 21a And 21b), appear between easily tearable line portions (easy-opening lines 21a and 21b), and have a slightly distorted design. In addition, the tear edge portion is not displaced between the front film and the back film, and a step having the designed width is not formed.

本考案は連続生産が容易なチャック付き袋であって、開封開始手段から袋を開封した際に、袋の引裂き縁部を易引裂き性線部に沿ったものとすることができ、袋の開封部分に所望の段差を形成することができるチャック付き袋の提供を課題とする。   The present invention is a bag with a zipper that can be easily produced continuously. When the bag is opened from the opening start means, the tear edge of the bag can be along the easy tear line, and the bag can be opened. It is an object of the present invention to provide a bag with a chuck that can form a desired step in a portion.

本発明によると上記課題を解決する為の手段として、表側フィルムと裏側フィルムとが重ね合わされ、少なくとも対向する一対の側縁がヒートシールされており、前記表側フィルムと前記裏側フィルムとの間には、一方の側縁から他方の側縁に延在するチャックテープが取り付けられており、前記ヒートシールされた部分には少なくとも一つの開封開始手段が形成され、前記表側フィルムには、前記チャックテープと平行な二本の易引裂き性線部L11、L12が形成され、前記裏側フィルムには、前記チャックテープと平行で、前記易引裂き性線部L11、L12のいずれとも重ならない二本の易引裂き性線部L21、L22が形成されており、前記易引裂き性線部L11、L12及び前記易引裂き性線部L21、L22は、いずれもチャックテープに対し、袋の底と反対側に形成されており、前記開封開始手段が、前記表側フィルムの前記易引裂き性線部L11とL12との間であって、尚且つ、前記裏側フィルムの前記易引裂き性線部L21とL22の間となる位置に形成されたチャック付き袋において、前記易引裂き性線部L11、L12、L21、L22のうち、前記開封開始手段から最も離れた易引裂き性線部と、前記開封開始手段との間隔をdα、ヒートシールされた前記一対の側縁の間隔をdβとするとき、下記式1を満たすことを特徴とするチャック付き袋が提供される。
式1:30×dα≦dβ
According to the present invention, as means for solving the above problems, the front film and the back film are overlapped, at least a pair of side edges facing each other are heat-sealed, and between the front film and the back film A chuck tape extending from one side edge to the other side edge is attached, and at least one opening start means is formed in the heat-sealed portion, and the front side film has the chuck tape and Two easily tearable line portions L11 and L12 are formed in parallel, and two easily tearable properties that are parallel to the chuck tape and do not overlap any of the easily tearable line portions L11 and L12 are formed on the back film. Line portions L21 and L22 are formed, and the easily tearable line portions L11 and L12 and the easily tearable line portions L21 and L22 are both cha. It is formed on the opposite side to the bottom of the bag with respect to the tape, and the opening start means is between the easily tearable line portions L11 and L12 of the front film, and the back film In the bag with a chuck formed at a position between the easily tearable line portions L21 and L22, among the easily tearable line portions L11, L12, L21, and L22, the easily tearable line that is farthest from the opening start means A zippered bag satisfying the following formula 1 is provided, where dα is the distance between the opening portion and the opening start means, and dβ is the distance between the pair of heat-sealed side edges.
Formula 1: 30 × dα ≦ dβ

また、前記開封開始手段が切込であることを特徴とする前記チャック付き袋が提供される。
また、前記易引裂き性線部L11、L12、L21、L22のうち、前記チャックテープに最も近い易引裂き性線部と、前記チャックテープの上端との間隔をdγ、前記チャックテープに二番目に近い易引裂き性線部と、前記チャックテープの上端との間隔をdδ、とするとき、下記式2及び式3を満たすことを特徴とする前記チャック付き袋が提供される。
式2:1.5mm≦dγ≦10.0mm
式3:2.0mm≦dδ≦15.0mm
Moreover, the said bag with a chuck | zipper characterized by the above-mentioned opening start means being a notch.
Further, among the easy tear line portions L11, L12, L21, and L22, the distance between the easy tear line portion closest to the chuck tape and the upper end of the chuck tape is dγ, and the second closest to the chuck tape. When the distance between the easily tearable line portion and the upper end of the chuck tape is dδ, the bag with a chuck satisfying the following formulas 2 and 3 is provided.
Formula 2: 1.5 mm ≦ dγ ≦ 10.0 mm
Formula 3: 2.0 mm ≦ dδ ≦ 15.0 mm

また、前記易引裂き性線部L11、L12、L21、L22のうち、前記チャックテープに最も近い易引裂き性線部と前記チャックテープに二番目に近い易引裂き性線部との間隔をd1、前記チャックテープに二番目に近い易引裂き性線部と前記チャックテープに三番目に近い易引裂き性線部との間隔をd2、前記チャックテープに三番目に近い引裂き性線部と前記チャックテープに四番目に近い易引裂き性線部との間隔をd3とするとき、下記式4乃至式6のいずれも満たすことを特徴とする前記チャック付き袋が提供される。
式4:0.5mm≦d1≦8.0mm
式5:0.5mm≦d2≦8.0mm
式6:0.5mm≦d3≦8.0mm
また、前記表側フィルムの前記易引裂き性線部L11とL12と、前記裏側フィルムの前記易引裂き性線部L21とL22とが、チャック付き袋の平面視において、交互に配置されていることを特徴とする請求項1乃至4のいずれかに記載のチャック付き袋が提供される。
Further, among the easy tear line portions L11, L12, L21, and L22, the distance between the easy tear line portion closest to the chuck tape and the second easy tear line portion closest to the chuck tape is d1, The distance between the second easily tearable line portion closest to the chuck tape and the third easily tearable line portion closest to the chuck tape is d2, and the third tearable line portion closest to the chuck tape and the chuck tape have four intervals. When the distance from the closest tearable line portion is d3, all of the following formulas 4 to 6 are satisfied.
Formula 4: 0.5 mm ≦ d1 ≦ 8.0 mm
Formula 5: 0.5 mm ≦ d2 ≦ 8.0 mm
Formula 6: 0.5 mm <= d3 <= 8.0mm
Further, the easily tearable line portions L11 and L12 of the front film and the easily tearable line portions L21 and L22 of the back film are alternately arranged in a plan view of the bag with a chuck. A bag with a chuck according to any one of claims 1 to 4 is provided.

本考案のチャック付き袋は、袋の側縁の間隔に対し、開封開始手段から易引裂き性線部までの間隔が非常に狭い。その為、袋を開封開始手段から引裂いた際に、引裂かれた部分はほぼ確実に易引裂き性線部に到達する。引裂かれた部分が易引裂き性線部に到達すると、引裂き縁部の形状は直線状となり、意匠性に優れたものとなる。また、表側フィルムの引裂き縁部と裏側フィルムの引裂き縁部との間に、一定幅の突出部分(段差)が形成される。該突出部分をつまみとして利用すれば、チャック付き袋を開口することが容易となる。
また本考案のチャック付き袋は、開封開始手段と易引裂き性線部の正確な位置合わせを必要としない為、開封開始手段を切込(I字状のノッチ)とすることができる。開封開始手段がV字状のノッチや亀甲状の切欠きである場合、切欠かれた部分が袋内に紛れ込む恐れがあるが、フィルムを線状に切断しただけの切込である場合、このような心配がない。
In the zippered bag according to the present invention, the distance from the opening start means to the easily tearable line portion is very narrow with respect to the distance between the side edges of the bag. Therefore, when the bag is torn from the opening start means, the torn portion almost certainly reaches the easily tearable line portion. When the torn part reaches the easily tearable line part, the shape of the tearing edge part becomes linear, and the design is excellent. In addition, a protruding portion (step) having a certain width is formed between the tear edge of the front film and the tear edge of the back film. If the protruding portion is used as a knob, it is easy to open the bag with the chuck.
Moreover, since the bag with a chuck of the present invention does not require accurate alignment between the opening start means and the easily tearable line portion, the opening start means can be a notch (I-shaped notch). When the opening start means is a V-shaped notch or a turtle-shaped notch, the notched part may be mixed into the bag, but this is the case when the film is cut only in a line. There is no worry.

またチャックテープから最も近い易引裂き性線部から、前記チャックテープの上端までの間隔dγが1.5〜10.0mmであり、チャックテープから二番目に近い易引裂き性線部から、前記チャックテープの上端までの間隔dδが2.0〜15.0mmであると、袋が下方に引裂かれた場合であっても、チャックテープの上に十分なつまみが形成され、袋の口開き性は良好である。   The distance dγ from the closest tearable line portion to the upper end of the chuck tape is 1.5 to 10.0 mm, and the chuck tape is from the second closest tearable line portion to the chuck tape. When the distance dδ to the upper end of the bag is 2.0 to 15.0 mm, a sufficient knob is formed on the chuck tape even when the bag is torn downward, and the opening of the bag is good It is.

また各易引裂き性線部の間隔を特定範囲内とすることにより、開封開始手段を容易かつ確実に所望の位置に設けることができ、また開封後の袋の開口性を特に良好なものとすることができる。
また表側フィルムの二本の易引裂き性線部と裏側フィルムの二本の易引裂き性線部とが、チャック付き袋の平面視において、交互に配置されていると、チャックテープを上方に引裂いて袋を開封した場合も、下方に引裂いて開封した場合も、突出部分が一方のフィルム側となる。よって、フィルムの引裂き方向に関係なく、突出部分を目立ち難くすることができる。
In addition, by setting the interval between the easily tearable line portions within a specific range, the opening start means can be easily and reliably provided at a desired position, and the opening property of the bag after opening is particularly good. be able to.
In addition, when the two easy tear lines of the front film and the two easy tear lines of the back film are alternately arranged in the plan view of the bag with the chuck, the chuck tape is torn upward. Even when the bag is opened or when it is opened by tearing downward, the protruding portion becomes one film side. Therefore, the protruding portion can be made inconspicuous regardless of the tearing direction of the film.

本考案の一実施形態における正面図(A)、背面図(B)である。It is the front view (A) and back view (B) in one Embodiment of this invention. 図1におけるA−A部分拡大図(A)、B−B部分拡大図(B)である。They are the AA partial enlarged view (A) in FIG. 1, and the BB partial enlarged view (B). 図1に示すチャック付き袋を、フィルムを上方に引き上げながら開封した際に形成される引裂き縁部を表す為の模式図(A)と、フィルムを下方に引き下げながら開封した際に形成される引裂き縁部を表す為の模式図(B)である。A schematic diagram (A) for showing a tearing edge formed when the bag with a chuck shown in FIG. 1 is opened while pulling up the film, and a tear formed when opening the bag while pulling the film downward. It is a schematic diagram (B) for showing an edge part.

以下、本考案のチャック付き袋の実施の形態について説明する。尚、本考案は以下の形態に限定されるものではなく、同様の効果を奏する範囲において種々の形態をとることができる。   Hereinafter, an embodiment of a bag with a chuck of the present invention will be described. In addition, this invention is not limited to the following forms, A various form can be taken in the range with the same effect.

図1は本考案の一実施形態であるチャック付き袋1の正面図(A)と背面図(B)である。図1に示すチャック付き袋1は表側フィルム21と裏側フィルム22と底側フィルム23とからなり、表側フィルム21と裏側フィルム22とは重ね合わされ、対向する一対の側縁3a、3bにおいてヒートシールされている。また袋の底部分において、表側フィルム21と裏側フィルム22との間に底側フィルム23が挟み込まれ、船底状にシールされている。図1のチャック付き袋1の形状は、自立袋あるいはスタンドパウチと呼ばれるものである。本考案のチャック付き袋は当該形状に限定されるものではなく、少なくともチャックテープよりも上方(底側と反対側)において、ヒートシールされた一対の側縁を有する形状であればよく、例えば三方シール袋、四方シール袋、チャック付きガゼット袋等の形状をとることができる。   FIG. 1 is a front view (A) and a rear view (B) of a bag 1 with a chuck according to an embodiment of the present invention. 1 includes a front film 21, a back film 22, and a bottom film 23. The front film 21 and the back film 22 are overlapped and heat-sealed at a pair of opposing side edges 3a and 3b. ing. Further, at the bottom portion of the bag, a bottom film 23 is sandwiched between the front film 21 and the back film 22 and sealed in a ship bottom shape. The shape of the zippered bag 1 in FIG. 1 is called a self-standing bag or a stand pouch. The bag with a chuck of the present invention is not limited to the shape, and may be any shape as long as it has a pair of side edges that are heat-sealed at least above the chuck tape (on the side opposite to the bottom side). It can take the form of a seal bag, a four-side seal bag, a gusset bag with a chuck, and the like.

本考案のチャック付き袋1は、表側フィルム21と裏側フィルム22との間に、一方の側縁3aから他方の側縁3bに延びるチャックテープ4が取り付けられている。該チャックテープ4は、公知のものを特に限定なく用いることができるが、平坦な支持部(テープ部)に雄爪を有する雄型のテープと、平坦な支持部に雌爪を有する雌型のテープから成るものが一般的である。   The zippered bag 1 of the present invention is provided with a chuck tape 4 extending from one side edge 3a to the other side edge 3b between a front film 21 and a back film 22. As the chuck tape 4, a known tape tape can be used without particular limitation, but a male tape having male claws on a flat support portion (tape portion) and a female tape having female claws on a flat support portion. It is common to consist of tape.

本考案のチャック付き袋1は、側縁3a及び/又は側縁3bに開封開始手段5が形成されている。開封開始手段5は対向する一対の側縁3a、3bの一方にのみ形成されていてもよいが、双方に形成されていることが望ましい。一方にのみ形成されていると、一旦持ち上げたチャック付き袋1を開封に際して持ち直す必要が生じることがある。尚、開封開始手段5が、側縁3aと側縁3bの双方に設けられている場合、各開封開始手段5のチャックテープ4からの間隔は等しいことが望ましい。
開封開始手段5は、切込(I字状のノッチ)、V字状のノッチ、U字状のノッチ、亀甲状の切欠き、多数の傷痕等とすることができるが、フィルムを線状に切断しただけの切込であることが望ましい。V字状のノッチ、U字状のノッチ、亀甲状の切欠き等は、フィルムの切欠かれた部分を取り除く必要があり、当該作業が煩雑である。また切欠かれた部分が袋内に紛れ込む恐れもある。多数の傷痕を設けることも、チャック付き袋の製造工程を煩雑にする。
The zippered bag 1 of the present invention has an opening start means 5 formed on the side edge 3a and / or the side edge 3b. The unsealing start means 5 may be formed only on one of the pair of side edges 3a and 3b facing each other, but is desirably formed on both sides. If it is formed only on one side, it may be necessary to re-hold the bag with chuck 1 once lifted when opening. In addition, when the opening start means 5 is provided in both the side edge 3a and the side edge 3b, it is desirable that the intervals from the chuck tape 4 of each opening start means 5 are equal.
The opening start means 5 can be a notch (I-shaped notch), a V-shaped notch, a U-shaped notch, a tortoise-shaped notch, a number of scars, etc. It is desirable that the cut is only cut. The V-shaped notch, U-shaped notch, turtle-shaped notch, etc. need to remove the notched portion of the film, and the work is complicated. There is also a risk that the notched portion may be mixed into the bag. Providing a large number of scratches also complicates the manufacturing process of the bag with a chuck.

図2は、図1におけるA−A部分拡大図(A)、B−B部分拡大図(B)である。本発明のチャック付き袋は、前記表側フィルムに二本の易引裂き性線部L11、L12が形成され、裏側フィルムにも二本の易引裂き性線部L21、L22が形成されている。これらの易引裂き性線部L11、L12、L21、L22は、いずれもチャック付き袋を平面視した際に、重ならない。その為、袋を易引裂き性線部に沿って開封すれば、引裂き縁部に段差を形成することができる。
またこれらの易引裂き性線部は、チャックテープよりも上側(チャックテープに対し、袋の底と反対側)に形成されている。よって、開封後、該チャックテープを嵌合させることにより袋を再封することができ、内容物が漏れ出ることを防止できる。
2 is an AA partial enlarged view (A) and a BB partial enlarged view (B) in FIG. 1. In the bag with a chuck according to the present invention, two easily tearable line portions L11 and L12 are formed on the front film, and two easily tearable line portions L21 and L22 are also formed on the back film. These easily tearable line portions L11, L12, L21, and L22 do not overlap when the bag with a chuck is viewed in plan. Therefore, if the bag is opened along the easy tear line portion, a step can be formed at the tear edge portion.
These easily tearable line portions are formed on the upper side of the chuck tape (on the side opposite to the bottom of the bag with respect to the chuck tape). Therefore, the bag can be resealed by fitting the chuck tape after opening, and the contents can be prevented from leaking.

図1及び図2に示すチャック付き袋1は、開封開始手段5と、該手段5から最も離れた位置にある易引裂き性線部L11との間隔をdαとし、側縁3aと側縁3bの間隔(シール部分は含まない)をdβとしたとき、dβ≒70×dαである。dβに対しdαが十分に小さい為、一方の側縁3aの開封開始手段5から袋を開封すると、引裂かれた部分は、他方の側縁3bに至るまでにほぼ確実に易引裂き性線部L11及びL21に到達するか、あるいは易引裂き性線部L12及びL22に到達する。尚、dβはdαの30倍以上であれば上述した効果が得られるが、40倍以上であることが好ましく、特に50倍以上であることが望ましい。dαが小さいほど、開封開始手段5から袋を開封した際に、引裂かれた部分が易引裂き性線部へ誘導されやすい。また、dβに対するdαの割合が小さいほど、引裂き縁部における直線状の部分の割合が大きくなる。
尚、図1及び図2に示すチャック付き袋では、開封開始手段5と易引裂き性線部L11との間隔と、開封開始手段5と易引裂き性線部L22との間隔が等しい。
The bag 1 with a chuck shown in FIGS. 1 and 2 has an interval between the opening start means 5 and the easily tearable line portion L11 located farthest from the means 5 as dα, and the side edges 3a and 3b When the interval (not including the seal portion) is dβ, dβ≈70 × dα. Since dα is sufficiently smaller than dβ, when the bag is opened from the unsealing start means 5 on one side edge 3a, the torn part almost certainly reaches the other side edge 3b and is easily tearable line portion L11. And L21 or the easily tearable line portions L12 and L22. The effect described above can be obtained if dβ is 30 times or more of dα, but it is preferably 40 times or more, and particularly preferably 50 times or more. As dα is smaller, when the bag is opened from the opening start means 5, the torn part is easily guided to the easily tearable line part. Further, the smaller the ratio of dα to dβ, the larger the ratio of the linear portion at the tear edge.
In the bag with a chuck shown in FIGS. 1 and 2, the distance between the opening start means 5 and the easy tear line portion L11 is equal to the distance between the opening start means 5 and the easy tear line portion L22.

また本考案のチャック付き袋は、チャックテープ4に最も近い易引裂き性線部L22と、チャックテープ上端4aとの間隔dγが1.5〜10.0mm、チャックテープに二番目に近い易引裂き性線部L12と、チャックテープ上端4aとの間隔dδが2.0〜15.0mmであることが望ましい。前記間隔dγが1.5mm未満の場合や、前記間隔dδが2.0mm未満の場合は、チャック付き袋が下方に引裂かれた場合に、チャックテープ上部に残されるフィルムが短くなり過ぎ、フィルムをつまみにくくなる。また間隔dγが10.0mmを超えたり、dδが15.0mmを超えたりしても、効果の向上(開口性の更なる改善)は見られず、袋を製造する為に必要なフィルムの面積が大きくなるだけである。
尚、本考案におけるチャックテープ上端4aとは、表側フィルム21又は裏側フィルム22とチャックテープ4とが接している部分のうち、最も上方(開口側)の端縁を意味する。
Further, the bag with a chuck of the present invention has an interval dγ between the closest tearable line portion L22 of the chuck tape 4 and the chuck tape upper end 4a of 1.5 to 10.0 mm, and the second closest tearable to the chuck tape. The distance dδ between the line portion L12 and the chuck tape upper end 4a is desirably 2.0 to 15.0 mm. When the distance dγ is less than 1.5 mm or when the distance dδ is less than 2.0 mm, when the bag with a chuck is torn down, the film remaining on the upper part of the chuck tape becomes too short, It becomes difficult to pinch. Moreover, even if the distance dγ exceeds 10.0 mm or dδ exceeds 15.0 mm, the effect is not improved (further improvement in the opening property), and the area of the film necessary for manufacturing the bag Only grows.
The upper end 4a of the chuck tape in the present invention means the uppermost (opening side) edge of the portion where the front film 21 or the back film 22 and the chuck tape 4 are in contact.

またチャックテープ4に最も近い易引裂き性線部L22と前記チャックテープに二番目に近い易引裂き性線部L12との間隔をd1、前記チャックテープに二番目に近い易引裂き性線部L12と前記チャックテープに三番目に近い易引裂き性線部L21との間隔をd2、前記チャックテープに三番目に近い引裂き性線部L21と前記チャックテープに四番目に近い易引裂き性線部との間隔L11をd3とするとき、開封手段5よりも上方の易引裂き性線部L11とL21との間隔、即ちd3と、開封開始手段5よりも下方の引裂き性線部L12とL22の間隔は、即ちd1は、共に0.5〜8.0mmであることが望ましく、特に1.0〜5.0mm、更には1.0〜3.0mm、1.5〜2.5mmであることが好ましい。該間隔が0.5mm未満の場合、袋を上方あるいは下方に引裂いた際に形成される段差が十分でなく、段差を利用して表側フィルムや裏側フィルムをつまみ難い。また該間隔が8.0mmを超えても、効果の向上(つまみ易さの更なる改善)は見られず、袋を製造する為に必要なフィルムの面積が大きくなるだけである。
また開封開始手段5に最も近い易引裂き性線部L12とL21との間隔、即ちd2は、0.5〜8.0mmであることが望ましく、特に1.0〜7.0mm、更には2.0mm〜6.0mm、2.6〜5.0mmであることが好ましい。該間隔が0.5mmを下回ると、易引裂き性線部L12とL21との間に、開封開始手段5を設けることが難しくなる。また該間隔が8.0mmを超えても、効果の向上(開封開始手段の設け易さの改善)は見られず、袋を製造する為に必要なフィルムの面積が大きくなるだけである。
Further, the distance between the easy tear line portion L22 closest to the chuck tape 4 and the second easy tear line portion L12 closest to the chuck tape is d1, and the second easy tear line portion L12 closest to the chuck tape and the The distance between the third tearable line portion L21 closest to the chuck tape d2 and the distance L11 between the third tearable line portion L21 closest to the chuck tape and the fourth easily tearable line portion closest to the chuck tape. Is the distance between the easily tearable line portions L11 and L21 above the opening means 5, that is, d3, and the distance between the tearable line portions L12 and L22 below the opening start means 5 is, that is, d1. Are preferably 0.5 to 8.0 mm, particularly 1.0 to 5.0 mm, more preferably 1.0 to 3.0 mm, and 1.5 to 2.5 mm. When the distance is less than 0.5 mm, the step formed when the bag is torn upward or downward is not sufficient, and it is difficult to pinch the front side film and the back side film using the step. Further, even if the distance exceeds 8.0 mm, the effect is not improved (further improvement in the ease of pinching), and only the area of the film necessary for manufacturing the bag is increased.
The distance between the easily tearable line portions L12 and L21 closest to the opening start means 5, that is, d2 is preferably 0.5 to 8.0 mm, particularly 1.0 to 7.0 mm, and more preferably 2. It is preferable that it is 0 mm-6.0 mm, 2.6-5.0 mm. If the distance is less than 0.5 mm, it becomes difficult to provide the opening start means 5 between the easily tearable line portions L12 and L21. Moreover, even if this space | interval exceeds 8.0 mm, the improvement of an effect (improvement of the ease of provision of an opening start means) is not seen, but only the area of the film required in order to manufacture a bag becomes large.

本考案のチャック付き袋は、表側フィルムに二本の易引裂き性線部L11、L12が形成されており、裏側フィルムにも二本の易引裂き性線部L21、L22が形成されている。そして表側フィルムにおいても裏側フィルムにおいても、二本の易引裂き性線部の間に開封開始手段5が形成されている。
図1におけるチャック付き袋では、平面視において、表側フィルムの易引裂き性線部L11、L12と、裏側フィルムの易引裂き性線部L21、L22とが、交互に配置されている。詳しくは、袋の上方から順に、L11、L21、L12、L22の順に配されている。そして易引裂き性線部L21とL12の間に開封開始手段5が形成されている。
そのためチャック付き袋を開封する際に、開封者が開封開始手段の上方を摘んで、摘んだ部分を上側に引き上げた場合は、図3(A)に一点破線にて示すように、表側フィルムは易引裂き性線部L11に沿って、裏側フィルムは易引裂き性線部L21に沿って引裂かれる。また開封者が摘んだ部分を下側に引き下げた場合、図3(B)に一点破線にて示すように、表側フィルムは易引裂き性線部L12に沿って、裏側フィルムは易引裂き性線部L22に沿って引裂かれる。尚、本考案のチャック付き袋は、易引裂き性線部は表側フィルム21に二本、裏側フィルム22に二本形成されていれば、それ以上形成される必要はない。
In the bag with a chuck of the present invention, two easily tearable line portions L11 and L12 are formed on the front side film, and two easily tearable line portions L21 and L22 are also formed on the back side film. In both the front side film and the back side film, an opening start means 5 is formed between two easily tearable line portions.
In the bag with a chuck in FIG. 1, the easy tear lines L11 and L12 of the front film and the easy tear lines L21 and L22 of the back film are alternately arranged in a plan view. Specifically, they are arranged in the order of L11, L21, L12, and L22 from the top of the bag. And the opening start means 5 is formed between the easily tearable line parts L21 and L12.
Therefore, when opening the bag with the chuck, when the opener picks the upper part of the opening start means and raises the picked part upward, as shown in FIG. Along the easy tear line portion L11, the back side film is torn along the easy tear line portion L21. Further, when the portion picked by the opener is pulled down, as shown by the one-dot broken line in FIG. 3B, the front film is along the easy tear line portion L12, and the back film is the easy tear line portion. Torn along L22. In the bag with a chuck of the present invention, if two easy tear lines are formed on the front film 21 and two on the back film 22, it is not necessary to form any more.

図1及び図2に示すチャック付き袋は、袋の上方から順に、L11、L21、L12、L22の順に配されている。その為、図3(A)に示すように、フィルムを上方に引き上げながら引裂いても、図3(B)に示すように、フィルムを下方に引き下げながら引裂いても、表側フィルム21の引裂き縁部61の方が、裏側フィルム22の引裂き縁部62よりも上方に位置することとなる。そのため開封後のチャック付き袋1を表側から見たときにフィルムの内面が見えない。
チャック付き袋1の多くは、フィルムの外面には印刷が施され、内面には印刷が施されていない。よって引裂き縁部においてフィルムの内面が見えると目立つ。特にフィルムが金属層を備える積層フィルムである場合は、フィルムの内面は銀色であることが多く、段差部分は非常に目立つ。図1に示すチャック付き袋は、表側から見た際にフィルムの内面が見えない為、意匠性に優れる。
The bags with chucks shown in FIGS. 1 and 2 are arranged in the order of L11, L21, L12, and L22 from the top of the bag. Therefore, as shown in FIG. 3 (A), even when the film is torn while being pulled upward, or as shown in FIG. 61 is positioned above the tearing edge 62 of the back film 22. Therefore, the inner surface of the film cannot be seen when the zipped bag 1 after opening is viewed from the front side.
In many of the bags 1 with a chuck, printing is performed on the outer surface of the film, and printing is not performed on the inner surface. Therefore, it is noticeable when the inner surface of the film is seen at the tearing edge. In particular, when the film is a laminated film including a metal layer, the inner surface of the film is often silver, and the stepped portion is very conspicuous. The bag with a chuck shown in FIG. 1 is excellent in design because the inner surface of the film is not visible when viewed from the front side.

尚、幼児や高齢者向けの商品においては、引裂き縁部における段差が目立つことが望まれる場合がある。このような場合は、易引裂き性線部を、袋の上方から順に、L21、L11、L22、L12の順に配すればよい。フィルムの引裂き方向に関係なく、袋の表側からフィルムの内面が見えることとなるため、開口する際にフィルムをつまむ部分を認識し易い。   Note that in products for infants and elderly people, it may be desired that the step at the tear edge is conspicuous. In such a case, what is necessary is just to arrange | position an easily tearable line part in order of L21, L11, L22, L12 in order from the upper part of a bag. Regardless of the tearing direction of the film, the inner surface of the film can be seen from the front side of the bag, so that it is easy to recognize the portion pinching the film when opening.

次に、本考案のチャック付き袋の製造方法について一例を挙げて説明するが、本考案は以下の製造方法に限定されるものではない。
尚、本考案において、表側フィルムや裏側フィルム、更には底面フィルムに用いられるフィルムは、特に限定されるものではなく、従来、チャック付き袋を構成するフィルムとして採用されているものを、適宜用いることができる。例えば、基材層/シーラント層の二層のフィルムや、基材層/中間層/シーラント層の三層のフィルム等を用いることができる。また基材層として、ポリエチレンテレフタレートやポリアミド、ポリプロピレン等からなるフィルムを延伸処理したフィルムを例示することができ、シーラント層として、ポリエチレンフィルムやポリプロピレンフィルム等を例示することができる。また中間層としては、アルミニウム箔や、ポリアミドフィルム、蒸着フィルム等を例示することができる。
Next, although an example is given and demonstrated about the manufacturing method of the bag with a chuck | zipper of this invention, this invention is not limited to the following manufacturing methods.
In addition, in this invention, the film used for a front side film, a back side film, and also a bottom face film is not specifically limited, What is conventionally employ | adopted as a film which comprises a bag with a chuck | zipper is used suitably. Can do. For example, a two-layer film of base material layer / sealant layer, a three-layer film of base material layer / intermediate layer / sealant layer, and the like can be used. Moreover, as a base material layer, the film which extended | stretched the film which consists of polyethylene terephthalate, polyamide, a polypropylene, etc. can be illustrated, and a polyethylene film, a polypropylene film, etc. can be illustrated as a sealant layer. Moreover, as an intermediate | middle layer, an aluminum foil, a polyamide film, a vapor deposition film, etc. can be illustrated.

まず、表側フィルムの内面と裏側フィルムの内面にチャックテープを取り付ける。
表側フィルムの内面と裏側フィルムの内面に、チャックテープを取り付ける方法は、チャックテープが、平坦な支持部(テープ部)を有する者である場合は、該テープ支持部の裏面(雄爪又は雌爪の形成されていない面)に接着剤を塗布し、該接着剤により表側フィルムや裏側フィルムに貼合すればよい。
尚、チャックテ−プとして平坦な支持部のないものも使用することもできるが、このようなチャックテープは、表側フィルムや裏側フィルムの内側となる面に、直接、雄爪又は雌爪の形をしたチャックテープ用樹脂を押し出して成形すればよい。
First, zipper tape is attached to the inner surface of the front film and the inner surface of the back film.
The method of attaching the chuck tape to the inner surface of the front film and the inner surface of the back film is that the chuck tape is a person having a flat support portion (tape portion). An adhesive is applied to the surface on which the film is not formed, and is bonded to the front film or the back film with the adhesive.
A chuck tape without a flat support can also be used, but such a chuck tape has a male or female nail shape directly on the inner surface of the front film or the back film. The molded resin for the chuck tape may be extruded and molded.

次いで、表側フィルムと裏側フィルムと、必要に応じて更に底側フィルムとを重ね合わせ、所望の形状に製袋する。このとき、内容物を充填する為の部分(以下、「充填口」と略称する)を残して製袋する。   Next, the front side film, the back side film, and the bottom side film as necessary are overlapped to form a bag in a desired shape. At this time, the bag is made leaving a portion for filling the contents (hereinafter abbreviated as “filling port”).

次いで、表側フィルム及び裏側フィルムに、それぞれ二本の易引裂き性線部を設ける。易引裂き線部を設ける方法は、従来公知の手段によることができる。例えばレーザー光線によって、各フィルムの基材層に溝を形成し、各フィルムを線状に弱化させればよい。また本考案の易引裂き性線部は直線状であるため、スリッター刃等の刃物を用いて、フィルムの基材層にのみ溝を形成しても良い。
尚、易引裂き性線部は製袋後に設けてもよいが、製袋前のフィルムに設けても良い。
Next, two easily tearable line portions are provided on the front film and the back film, respectively. A method of providing the easy tear line portion can be performed by a conventionally known means. For example, a groove may be formed in the base material layer of each film with a laser beam to weaken each film linearly. Moreover, since the easily tearable line part of this invention is linear, you may form a groove | channel only in the base material layer of a film using blades, such as a slitter blade.
In addition, although an easily tearable line part may be provided after bag making, you may provide it in the film before bag making.

最後に、開封開始手段を設ける。図1及び図2に示すチャック付き袋は、開封開始手段が直線状の切込であるため、例えばカッターなどにより、側縁のヒートシール部分の一部を切込めばよい。
充填口を残して各フィルムがヒートシールされ、開封開始手段及び易引裂き性線部が形成されれば本考案のチャック付き袋は完成である。
Finally, an opening start means is provided. In the bag with a chuck shown in FIGS. 1 and 2, since the opening start means is a linear cut, a part of the heat seal portion on the side edge may be cut using, for example, a cutter.
If each film is heat-sealed leaving the filling port and the opening start means and the easily tearable line portion are formed, the bag with a chuck of the present invention is completed.

本考案のチャック付き袋は使用に際し、充填口から内容物を充填し、該充填口をヒートシールすればよい。図1に示すチャック付き袋1は、袋の上方がヒートシールされていない。該チャック付き袋1を使用する際は、ヒートシールされていない上方から袋に内容物を入れた後、チャックを閉じ、更に袋の上方をヒートシールすればよい。
尚、例えば側縁3a、3bの一部や、底のシール部分の一部をシールせずに充填口として利用することもできる。いずれの場合も、内容物を入れた後、充填口は速やかにヒートシールされることが望まれる。
In use, the bag with a chuck of the present invention may be filled with contents from a filling port and heat-sealed. The zippered bag 1 shown in FIG. 1 is not heat-sealed above the bag. When using the bag 1 with a chuck, the contents are put into the bag from the upper side which is not heat-sealed, the chuck is closed, and the upper side of the bag is further heat-sealed.
For example, a part of the side edges 3a and 3b and a part of the bottom seal part can be used as a filling port without sealing. In any case, it is desired that the filling port be quickly heat-sealed after the contents are put therein.

1 チャック付き袋
21 表側フィルム
22 裏側フィルム
3a 側縁
3b 側縁
4 チャックテープ
4a チャックテープの上端
5 開封開始手段
61 引裂き縁部(表側フィルム)
62 引裂き縁部(裏側フィルム)
L11 易引裂き性線部(表側フィルムの上方側)
L12 易引裂き性線部(表側フィルムの下方側)
L21 易引裂き性線部(裏側フィルムの上方側)
L22 易引裂き性線部(裏側フィルムの下方側)
dα 開封開始手段から最も離れた易引裂き性線部と、開封開始手段との間隔
dβ 側縁の間隔
dγ チャックテープに最も近い易引裂き性線部と、該テープ上端との間隔
dδ チャックテープに二番目に近い易引裂き性線部と、該テープ上端との間隔
d1 チャックテープに最も近い易引裂き性線部と、二番目との間隔
d2 チャックテープに二番目に近い易引裂き性線部と、三番目との間隔
d3 チャックテープに三番目に近い易引裂き性線部と、四番目との間隔
DESCRIPTION OF SYMBOLS 1 Bag 21 with a chuck | zipper Front side film 22 Back side film 3a Side edge 3b Side edge 4 Chuck tape 4a Upper end 5 of a chuck tape Opening start means 61 Tear edge (front side film)
62 Tear edge (back side film)
L11 Easy tear line (upper side of front film)
L12 Easy tear line (lower side of front film)
L21 Easy tear line (upper side of back film)
L22 Easy tear line (lower side of the back film)
dα Distance between the tearing line portion furthest away from the opening start means, distance between the opening start means dβ Distance between the side edges dγ Distance between the easy tearing line part closest to the chuck tape, and the upper end of the tape dδ The distance d1 between the closest tearable line portion and the upper end of the tape d1 The easy tearable line portion closest to the chuck tape, the second interval d2 The second easily tearable line portion closest to the chuck tape, and three Interval d3 The distance between the third easily tearable line part closer to the chuck tape and the fourth

Claims (5)

表側フィルムと裏側フィルムとが重ね合わされ、少なくとも対向する一対の側縁がヒートシールされており、
前記表側フィルムと前記裏側フィルムとの間には、一方の側縁から他方の側縁に延在するチャックテープが取り付けられており、
前記ヒートシールされた部分には少なくとも一つの開封開始手段が形成され、
前記表側フィルムには、前記チャックテープと平行な二本の易引裂き性線部L11、L12が形成され、
前記裏側フィルムには、前記チャックテープと平行で、前記易引裂き性線部L11、L12のいずれとも重ならない二本の易引裂き性線部L21、L22が形成されており、
前記易引裂き性線部L11、L12及び前記易引裂き性線部L21、L22は、いずれもチャックテープに対し、袋の底と反対側に形成されており、
前記開封開始手段が、前記表側フィルムの前記易引裂き性線部L11とL12との間であって、尚且つ、前記裏側フィルムの前記易引裂き性線部L21とL22の間となる位置に形成されたチャック付き袋において、
前記易引裂き性線部L11、L12、L21、L22のうち、前記開封開始手段から最も離れた易引裂き性線部と、前記開封開始手段との間隔をdα、ヒートシールされた前記一対の側縁の間隔をdβとするとき、下記式1を満たすことを特徴とするチャック付き袋。
式1:30×dα≦dβ
The front side film and the back side film are overlapped, and at least a pair of side edges facing each other are heat sealed,
A chuck tape extending from one side edge to the other side edge is attached between the front film and the back film,
At least one opening start means is formed in the heat-sealed portion,
Two easily tearable line portions L11 and L12 parallel to the chuck tape are formed on the front film,
The back film is formed with two easily tearable line portions L21 and L22 that are parallel to the chuck tape and do not overlap any of the easily tearable line portions L11 and L12.
The easily tearable line portions L11, L12 and the easily tearable line portions L21, L22 are all formed on the opposite side of the bottom of the bag with respect to the chuck tape,
The opening start means is formed at a position between the easily tearable line portions L11 and L12 of the front film and between the easily tearable line portions L21 and L22 of the back film. In a zippered bag,
Of the easy tear line portions L11, L12, L21, and L22, the distance between the easy tear line portion farthest from the opening start means and the opening start means is dα, and the pair of heat-sealed side edges A bag with a chuck satisfying the following formula 1 when the distance of d is dβ.
Formula 1: 30 × dα ≦ dβ
前記開封開始手段が切込であることを特徴とする請求項1記載のチャック付き袋。 The bag with a chuck according to claim 1, wherein the opening start means is a notch. 前記易引裂き性線部L11、L12、L21、L22のうち、
前記チャックテープに最も近い易引裂き性線部と、前記チャックテープの上端との間隔をdγ、
前記チャックテープに二番目に近い易引裂き性線部と、前記チャックテープの上端との間隔をdδ、とするとき、下記式2及び式3を満たすことを特徴とする請求項1または2記載のチャック付き袋。
式2:1.5mm≦dγ≦10.0mm
式3:2.0mm≦dδ≦15.0mm
Of the easily tearable line portions L11, L12, L21, L22,
The distance between the easy tear line portion closest to the chuck tape and the upper end of the chuck tape is dγ,
The following formulas 2 and 3 are satisfied, where dδ is the distance between the second easily tearable line portion closest to the chuck tape and the upper end of the chuck tape. Bag with zipper.
Formula 2: 1.5 mm ≦ dγ ≦ 10.0 mm
Formula 3: 2.0 mm ≦ dδ ≦ 15.0 mm
前記易引裂き性線部L11、L12、L21、L22のうち、
前記チャックテープに最も近い易引裂き性線部と前記チャックテープに二番目に近い易引裂き性線部との間隔をd1、前記チャックテープに二番目に近い易引裂き性線部と前記チャックテープに三番目に近い易引裂き性線部との間隔をd2、前記チャックテープに三番目に近い引裂き性線部と前記チャックテープに四番目に近い易引裂き性線部との間隔をd3とするとき、下記式4乃至式6のいずれも満たすことを特徴とする請求項1乃至3のいずれかに記載のチャック付き袋。
式4:0.5mm≦d1≦8.0mm
式5:0.5mm≦d2≦8.0mm
式6:0.5mm≦d3≦8.0mm
Of the easily tearable line portions L11, L12, L21, L22,
The distance between the easily tearable line portion closest to the chuck tape and the second easily tearable line portion closest to the chuck tape is d1, and the second easily tearable line portion closest to the chuck tape and the chuck tape have three intervals. When the distance between the second closest tear line part and d3 is the distance between the third tear line part closest to the chuck tape and the fourth easy tear line part close to the chuck tape, The bag with a chuck according to any one of claims 1 to 3, wherein both of the formulas 4 to 6 are satisfied.
Formula 4: 0.5 mm ≦ d1 ≦ 8.0 mm
Formula 5: 0.5 mm ≦ d2 ≦ 8.0 mm
Formula 6: 0.5 mm <= d3 <= 8.0mm
前記表側フィルムの前記易引裂き性線部L11とL12と、前記裏側フィルムの前記易引裂き性線部L21とL22とが、チャック付き袋の平面視において、交互に配置されていることを特徴とする請求項1乃至4のいずれかに記載のチャック付き袋。

The easy tear line portions L11 and L12 of the front film and the easy tear line portions L21 and L22 of the back film are alternately arranged in a plan view of the bag with a chuck. The bag with a chuck according to any one of claims 1 to 4.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022165984A1 (en) * 2021-02-08 2022-08-11 海南赛诺实业有限公司 High-precision laser minimally invasive functional film and manufacturing method therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022165984A1 (en) * 2021-02-08 2022-08-11 海南赛诺实业有限公司 High-precision laser minimally invasive functional film and manufacturing method therefor

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