JP2013006603A - Pouch - Google Patents

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JP2013006603A
JP2013006603A JP2011138954A JP2011138954A JP2013006603A JP 2013006603 A JP2013006603 A JP 2013006603A JP 2011138954 A JP2011138954 A JP 2011138954A JP 2011138954 A JP2011138954 A JP 2011138954A JP 2013006603 A JP2013006603 A JP 2013006603A
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pouch
side seal
cut
seal portion
locking piece
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JP5862067B2 (en
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Takayuki Aikawa
孝之 相川
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Toyo Seikan Group Holdings Ltd
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Toyo Seikan Kaisha Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a pouch including an engagement part that can firmly bind a part of the pouch to a body.SOLUTION: The pouch includes engagement parts 10A, 10B symmetrically disposed across a folding part 8 on a lateral side seal part 4 of the pouch 1. In the pouch, a folding assisting means 8b for locally reducing bending stiffness is provided in the folding part 8 of the lateral side seal part 4 or the vicinity thereof.

Description

本発明は、たとえば、樹脂フィルムで構成されるパウチの一部を折り曲げ、折り曲げられたパウチの一部をパウチ本体部に折り重ねて係止するパウチに関する。   The present invention relates to, for example, a pouch that bends a part of a pouch made of a resin film, and folds and holds a part of the folded pouch on a pouch body.

従来から、特許文献1、2に記載のように、内容物を使用する都度、パウチの上部を折り曲げて本体部に仮固定できる再封可能なパウチが知られている。   Conventionally, as described in Patent Documents 1 and 2, resealable pouches that can be temporarily fixed to a main body by bending the upper part of the pouch each time the contents are used are known.

特許文献1に記載のパウチは、左右側部をシールするサイドシール部に、パウチを折り曲げ部で折り返した時に、互いに重なり合う位置に係合可能な係止部を設けたものである。この係止部は、サイドシール部の外側から内側に向けて穿設された鉤状の切れ目線によって互いに係合する係止片を構成し、各係止片の付け根部は上下逆側に位置するようにし、パウチ上部側の係止片を本体側の係止片の裏側に、パウチ本体側の係止片をパウチ上部側の係止片の裏側に位置するように係合させて仮固定する構成となっている。   The pouch described in Patent Document 1 is provided with a locking portion that can be engaged with a side seal portion that seals the left and right side portions at an overlapping position when the pouch is folded back at the bent portion. The locking portion constitutes a locking piece that is engaged with each other by a hook-shaped cut line that is drilled from the outside to the inside of the side seal portion, and the base of each locking piece is positioned on the upside down side. Temporarily fixed by engaging the locking piece on the upper side of the pouch on the back side of the locking piece on the main body side and the locking piece on the side of the pouch on the back side of the locking piece on the upper side of the pouch. It is the composition to do.

また、特許文献2に記載の包装袋(パウチ)は、少なくとも一部がヒートシールによって封鎖されており、このヒートシール部の開封案内部より包装袋本体部寄りの位置に2つの切込みを設けてそれぞれ係止片と係止部とを形成した構成とされており、包装体を折り返した際に、前記係止片と係止部とを互いに係止させて仮固定する構成となっている。   In addition, the packaging bag (pouch) described in Patent Document 2 is at least partially sealed by heat sealing, and two cuts are provided at a position closer to the packaging bag body than the opening guide portion of the heat sealing portion. Each has a configuration in which a locking piece and a locking portion are formed, and when the package is folded, the locking piece and the locking portion are locked to each other and temporarily fixed.

しかしながら、いずれのパウチにおいても、パウチを折り曲げる際には、フィルムがヒートシールされた剛性のあるサイドシール部やヒートシール部を折り曲げるので、折り曲げにくい。また、サイドシール部やヒートシール部の折り曲げ部が一定せず、係止片の位置合わせが難しく、係止片の係合作業がしづらいという問題があった。
また、係止片を係合させてパウチの一部を本体部に仮固定した状態下では、折り曲げ部には、弾性復帰力によって折り曲げ部を開く方向のモーメントが作用しており、折り曲げられる平面フィルム及びサイドシール部の剛性が高いと、仮固定された係止片を外す方向の力が大きくなり、係止片が変形して外れやすい。
また、パウチを握った場合のように、パウチに外力が作用すると、内部の空気や内容物がパウチ上部側に流動し、流動圧によって折り曲げられたパウチ上部が起き上がる方向に復元し易く、係止片に一層大きな力が作用し、外れやすいといった問題もある。
さらに、いずれのパウチにおいても、開封後にユーザーが仮封出来るようにしたものであるため、係合部の掛け外しが簡単なことが優先しており、シールされた状態のパウチを折り曲げて、しっかり固定することには使用することができない。
However, in any of the pouches, when the pouch is bent, a rigid side seal portion or a heat seal portion where the film is heat-sealed is bent, so that it is difficult to bend. Further, the bent portions of the side seal part and the heat seal part are not constant, and there is a problem that it is difficult to align the locking pieces and it is difficult to engage the locking pieces.
Further, in a state where a part of the pouch is temporarily fixed to the main body portion by engaging the locking piece, a moment in the direction of opening the bent portion by the elastic return force acts on the bent portion, and the plane to be bent When the rigidity of the film and the side seal portion is high, the force in the direction of removing the temporarily fixed locking piece increases, and the locking piece is easily deformed and detached.
Also, when an external force is applied to the pouch, such as when holding the pouch, the internal air and contents flow toward the upper side of the pouch, and the upper part of the pouch that is bent by the fluid pressure is easily restored to the direction in which it rises. There is also a problem that a larger force acts on the piece and it is easy to come off.
In addition, since any user can temporarily seal the pouch after opening, priority is given to easy engagement and disengagement of the pouch. It cannot be used for fixing.

例えば、特許文献1に記載のパウチは、鉤状の切れ目線によってサイドシール部の外側縁が切れているので、切れ目線の上下がねじれるように変形した場合、切れ目が開き、係止片が外れやすくなる。特に、内容物が充填されてパウチが膨らんでいる場合には、切れ目線に力が加わり、切れ目が大きく開くことで一層外れやすくなる。また、特許文献2に記載のパウチにおいても、折り曲げ部において弾性復帰力が生じている点については同様であり、その対策については記されていない。   For example, in the pouch described in Patent Document 1, since the outer edge of the side seal portion is cut by the hook-shaped cut line, when the upper and lower lines of the cut line are deformed to be twisted, the cut opens and the locking piece is released. It becomes easy. In particular, when the contents are filled and the pouch is inflated, a force is applied to the cut line, and the cut is greatly opened to make it easier to come off. Further, the pouch described in Patent Document 2 is similar in that an elastic restoring force is generated in the bent portion, and no countermeasure is described.

特開2006−199334号公報JP 2006-199334 A 特開2006−240691号公報JP 2006-240991 A

本発明は、上記した従来技術の問題点を解決するためになされたもので、その目的とするところは、パウチの一部が本体部に対して折り曲げられたパウチであって、パウチの一部を本体部に対して折り曲げ易く、係止片の係合作業が容易で、かつ係合部が外れにくく、強固に固定できる構造のパウチを提供することにある。   The present invention has been made to solve the above-described problems of the prior art, and an object of the present invention is a pouch in which a part of the pouch is bent with respect to the main body, and a part of the pouch. It is an object of the present invention to provide a pouch having a structure that can be easily bent with respect to a main body part, an engagement operation of a locking piece is easy, an engagement part is not easily detached, and can be firmly fixed.

上記目的を達成するために、本発明のパウチは、パウチのサイドシール部に、折り曲げ部を介して対称配置される係合部を有するパウチであって、サイドシール部の折り曲げ部又はその近傍に、局部的に曲げ剛性を低くする折曲補助手段が設けられていることを特徴とする。   In order to achieve the above object, a pouch according to the present invention is a pouch having an engagement portion that is symmetrically disposed on a side seal portion of the pouch via a bent portion, at or near the bent portion of the side seal portion. Further, bending assisting means for locally lowering the bending rigidity is provided.

本発明は次のように構成することもできる。
1.前記係合部がサイドシール部の外側縁及び内側縁に間隙を有して設けられる。
The present invention can also be configured as follows.
1. The engaging portion is provided with a gap between the outer edge and the inner edge of the side seal portion.

2.前記折曲補助手段が前記サイドシール部の内側縁と間隙を有して設けられる。
3.前記折曲補助手段が前記サイドシール部の外側縁と間隙を有して設けられる。
2. The bending assisting means is provided with a gap from the inner edge of the side seal portion.
3. The folding assisting means is provided with a gap from the outer edge of the side seal portion.

4.前記折曲補助手段に切裂防止手段が設けられている。
5.前記折曲補助手段は連続的あるいは断続的な切れ目である。
4). The folding assisting means is provided with a tear prevention means.
5. The folding assist means is a continuous or intermittent break.

6.前記係合部が設けられている前記サイドシール部の一部が、該サイドシール部の他の内側縁よりパウチ内方に突出して幅広部となっている。 6). A part of the side seal part provided with the engaging part protrudes inward of the pouch from the other inner edge of the side seal part to form a wide part.

本発明によれば、折曲補助手段によって、サイドシール部の折り曲げ部と重なる部分について局部的に曲げ剛性を低下させているので、パウチの一部をパウチ本体部に対して折り曲げ易い。
また、折り曲げ部が一定するため、係合部の位置合わせも容易となって、係合部の係合作業も容易となる。
さらに、係合部を係合させて仮固定とした状態においても、弾性復帰力に起因する折り曲げ部を開く方向のモーメントも小さく、係合部の変形も小さくなり、係合部が外れにくい。
According to the present invention, since the bending rigidity is locally reduced at the portion overlapping the bent portion of the side seal portion by the bending assisting means, a part of the pouch can be easily bent with respect to the pouch main body portion.
Further, since the bent portion is constant, the alignment of the engaging portion is facilitated, and the engaging operation of the engaging portion is also facilitated.
Further, even in the state where the engaging portion is engaged and temporarily fixed, the moment in the direction of opening the bent portion due to the elastic restoring force is small, the deformation of the engaging portion is small, and the engaging portion is difficult to come off.

係合部をサイドシール部の中途部に設けたことで、係合部に一層大きな力が作用した場合であっても、係合部を外れにくい構造とすることができる。
また、パウチの一部を折り曲げると、パウチ本体部の内圧が折り曲げ前と比べて高まるため、平面フィルムが前後に膨らんで把持しやすい形状となる。
これに伴って、パウチを折り曲げたままで運搬及び収容することが可能となり、搬送効率および収容効率に優れたパウチを供することができる。
By providing the engaging part in the middle part of the side seal part, even when a larger force is applied to the engaging part, a structure in which the engaging part is difficult to come off can be obtained.
Further, when a part of the pouch is folded, the internal pressure of the pouch main body portion is increased as compared with that before the folding, so that the flat film swells back and forth and is easily gripped.
Accordingly, the pouch can be transported and accommodated while being folded, and a pouch excellent in conveyance efficiency and accommodation efficiency can be provided.

折曲補助手段が前記サイドシール部の内側縁と間隙を有して設けられることで、折曲補助手段からパウチ内側に裂ける恐れが低減される。
加えて、前記折曲補助手段が前記サイドシール部の外側縁と間隙を有して設けられることで、折り曲げ部分に荷重がかかっても、切れ目が開きにくく、折曲補助手段からパウチ内側に裂ける恐れが一層低減される。
By providing the folding auxiliary means with a gap from the inner edge of the side seal portion, the possibility of tearing from the folding auxiliary means to the inside of the pouch is reduced.
In addition, since the folding assisting means is provided with a gap from the outer edge of the side seal portion, even if a load is applied to the bent portion, the cut is difficult to open, and the folding assisting means is torn from the folding assisting means to the inside of the pouch. Fear is further reduced.

また、前記折曲補助手段に切裂防止手段が設けられていることで、折曲補助手段からパウチ内側に裂ける恐れがより一層低減され、内容物の漏洩を防止することができる。
また、前記折曲補助手段は連続的あるいは断続的な切れ目であることで、簡単な構成で局部的に曲げ剛性を低下させることができ、パウチを折り曲げ易くすることができる。
In addition, since the folding assisting means is provided with the tear preventing means, the possibility of tearing from the folding assisting means to the inside of the pouch is further reduced, and leakage of contents can be prevented.
Further, since the folding assisting means is a continuous or intermittent cut, the bending rigidity can be locally reduced with a simple configuration, and the pouch can be easily bent.

6.前記係合部が設けられている前記サイドシール部の一部が、該サイドシール部の他の内側縁よりパウチ内方に突出して幅広部となっていることで、係合部の配置・形状などの自由度が増し、結合強度やパウチの折り曲げ位置の調整を容易とすることができ、また、パウチを折り曲げた際のパウチの形状が安定するとともに、持手として前記幅広部を用いることで把持しやすいパウチとなっている。 6). A part of the side seal part provided with the engagement part protrudes inward of the pouch from the other inner edge of the side seal part to be a wide part, so the arrangement / shape of the engagement part The degree of freedom can be increased, the coupling strength and the pouch folding position can be easily adjusted, the shape of the pouch when the pouch is folded is stabilized, and the wide part is used as a handle. The pouch is easy to grip.

図1は本発明の実施の形態1に係るパウチの構成を示すもので、(A)は折り曲げ前の正面図、(B)は折り曲げ後の正面図、(C)は折り曲げ後の背面図、(D)は折り曲げ後の側面図である。FIG. 1 shows a configuration of a pouch according to Embodiment 1 of the present invention, (A) is a front view before folding, (B) is a front view after folding, (C) is a rear view after folding, (D) is a side view after bending. 図2(A)は図1のパウチのサイドシール部に設けた第1係合部の構成を示す拡大図、(B)は(A)の折り曲げ形態で第1係合部が係合した状態を示す図、(C)は折曲補助手段と切裂防止手段の他の形態例を示す部分図である。2A is an enlarged view showing the configuration of the first engagement portion provided in the side seal portion of the pouch of FIG. 1, and FIG. 2B is a state in which the first engagement portion is engaged in the folded form of FIG. FIG. 4C is a partial view showing another example of the folding assisting means and the tear prevention means. 図3は図2の第1係合部をさらに拡大して示すもので、(A)はサイドシール部上部とサイドシール部本体部を離して示した部分拡大斜視図、(B)は上部側切れ目と本体部側切れ目を重ねて示した図、(C)は第1係合部をサイドシール部上部側から見た部分拡大図、(D)は第1係合部をサイドシール部本体部側から見た部分拡大図である。FIG. 3 is a further enlarged view of the first engaging portion of FIG. 2, (A) is a partially enlarged perspective view showing the side seal portion upper portion and the side seal portion main body apart, and (B) is the upper side. The figure which overlapped and showed the cut | interruption and the main-body part side cut | interruption, (C) is the elements on larger scale which looked at the 1st engagement part from the side seal part upper part side, (D) is the side seal part main-body part. It is the elements on larger scale seen from the side. 図4は第2係合部を拡大して示すもので、(A)は第2係合部の構成を示す拡大図、(B)は(A)の折り曲げ形態で第2係合部が係合した状態を示す図、(C)は(B)の断面図である。4A and 4B are enlarged views of the second engaging portion. FIG. 4A is an enlarged view showing the configuration of the second engaging portion, and FIG. 4B is a bent form of FIG. The figure which shows the state combined, (C) is sectional drawing of (B). 図5は第3係合部を拡大して示すもので、(A)は第3係合部の構成を示す拡大図、(B)は(A)の折り曲げ形態で第3係合部が係合した状態を示す図、(C)は(B)の断面図である。FIG. 5 is an enlarged view of the third engaging portion, (A) is an enlarged view showing the configuration of the third engaging portion, and (B) is a bent form of (A), and the third engaging portion is engaged. The figure which shows the state combined, (C) is sectional drawing of (B). 図6は第4係合部を拡大して示すもので、(A)は第4係合部の構成を示す拡大図、(B)は(A)の折り曲げ形態で第4係合部が係合した状態を示す図、(C)は(B)の断面図である。FIG. 6 is an enlarged view of the fourth engaging portion, (A) is an enlarged view showing the configuration of the fourth engaging portion, and (B) is a bent form of (A), and the fourth engaging portion is engaged. The figure which shows the state combined, (C) is sectional drawing of (B). 図7は第1係合部および第5係合部を拡大して示すもので、(A)は第1係合部および第5係合部の構成を示す拡大図、(B)は(A)の折り曲げ形態で第1係合部および第5係合部が係合した状態を示す図である。FIG. 7 is an enlarged view of the first engagement portion and the fifth engagement portion, (A) is an enlarged view showing the configuration of the first engagement portion and the fifth engagement portion, and (B) is (A). It is a figure which shows the state which the 1st engaging part and the 5th engaging part engaged in the bending form of). 図8は本発明の実施の形態2に係るパウチの構成を示すもので、(A)は折り曲げ前の正面図、(B)は折り曲げ後の正面図、(C)は折り曲げ後の背面図、(D)は折り曲げ後の側面図である。FIG. 8 shows a configuration of a pouch according to Embodiment 2 of the present invention, where (A) is a front view before folding, (B) is a front view after folding, (C) is a rear view after folding, (D) is a side view after bending.

以下に、本発明の実施の形態を、図面を参照して詳細に説明する。
[実施の形態1]
図1は、本発明の実施の形態1に係るパウチを示している。
図1(A)に示すように、パウチ1の折曲前の基本構成は、いわゆるスタンディングパウチであって、互いに接着された前後一対の平面フィルム2を備え、前後の平面フィルム2の下端部に底部フィルム3が二つ折り状態で接着されている。平面フィルム2は四角形状で、左右両側辺部および上辺部が所定幅でヒートシールされ、左右両側辺部はサイドシール部4、上辺部が上辺シール部5となっている。また、前後一対の平面フィルム2と底部フィルム3とが底部シール部6にてヒートシールされ、さらに平面フィルム2下端部の外側縁同士はポイントシール部7にてヒートシールされている。そして、パウチ1に液体や流動物等の内容物Wが充填されると、内容物Wの圧力によって平面フィルム2が前後に膨らんで正立する。
Embodiments of the present invention will be described below in detail with reference to the drawings.
[Embodiment 1]
FIG. 1 shows a pouch according to Embodiment 1 of the present invention.
As shown in FIG. 1 (A), the basic configuration of the pouch 1 before bending is a so-called standing pouch, which includes a pair of front and rear flat films 2 bonded to each other at the lower ends of the front and rear flat films 2. The bottom film 3 is bonded in a folded state. The flat film 2 has a quadrangular shape, and the right and left side portions and the upper side portion are heat-sealed with a predetermined width, the left and right side portions are side seal portions 4, and the upper side portion is an upper side seal portion 5. Further, the pair of front and rear flat films 2 and the bottom film 3 are heat sealed by the bottom seal portion 6, and the outer edges of the lower end portions of the flat film 2 are heat sealed by the point seal portion 7. And when the contents W, such as a liquid and a fluid, are filled into the pouch 1, the flat film 2 swells back and forth by the pressure of the contents W and stands upright.

パウチ1は内容物Wの上面(液体の場合は液面、粉粒体の場合はその上面)を大凡の目安として折り曲げられるが、前後一対の平面フィルム2を横断する折り曲げ予定部分が折り曲げ部8である。また、この折り曲げ部8を境界としてパウチ上方をパウチ上部1A、パウチ下方をパウチ本体部1Bとする。すなわち、パウチ上部1Aは内容物Wの上面(液体の場合は液面)より上方のヘッドスペース対応部分、パウチ本体部1Bは内容物Wの上面より下方の内容物充填部におよそ対応している。そしてパウチ上部1Aは、折り曲げ部8を介してパウチ本体部1Bに対して折り曲げられ、図1(B)に示すように、安定した三次元形状のパウチ1を構成する。そして、パウチ上部1Aに図示しないノッチ等を設けることで、開封して内容物Wを取り出すことができる。
なお、上述した各フィルムは、一般的には、ポリプロピレンやポリエチレン等の軟質樹脂層と、ポリエステル,ナイロン等の硬質樹脂層が積層された積層フィルムが使用され、軟質樹脂層がヒートシールされている。
The pouch 1 is bent with the upper surface of the contents W (the liquid surface in the case of liquid and the upper surface in the case of powder particles) as a rough guide, but the portion to be folded across the pair of front and rear flat films 2 is the bent portion 8. It is. Further, with the bent portion 8 as a boundary, the upper portion of the pouch is defined as the upper portion 1A of the pouch and the lower portion of the pouch is defined as the pouch body portion 1B. That is, the upper part 1A of the pouch substantially corresponds to the head space corresponding part above the upper surface (the liquid level in the case of liquid) of the content W, and the main part 1B of the pouch approximately corresponds to the content filling part below the upper surface of the content W. . The pouch upper portion 1A is bent with respect to the pouch main body portion 1B through the bent portion 8, and constitutes a stable three-dimensional pouch 1 as shown in FIG. Then, by providing a notch or the like (not shown) in the upper part 1A of the pouch, the contents W can be taken out by being opened.
Each film described above is generally a laminated film in which a soft resin layer such as polypropylene or polyethylene and a hard resin layer such as polyester or nylon are laminated, and the soft resin layer is heat-sealed. .

また、パウチ1は、パウチ上部1Aのサイドシール部上部4Aと、パウチ本体部1Bのサイドシール部本体部4Bに、切れ目からなる第1係合部10A,10Bが設けられてい
る。第1係合部10A,10Bは、サイドシール部上部4Aとサイドシール部本体部4B
の外側縁と内側縁の間の中途部に、パウチ上部1Aとパウチ本体部1Bの境界となる折り曲げ部8の折り曲げ予定線8aに対して線対称の形状となるよう設けられている。
そして、図1(B)〜(D)に示すように、パウチ上部1Aをパウチ本体部1Bに対して折り曲げ予定線8a位置で折り曲げ、折り曲げたパウチ上部1Aのサイドシール部上部4Aと、パウチ本体部1Bのサイドシール部本体部4Bを互いに重ね合わせると、第1係合部10A、10Bも互いに重なり合い、重ね合わせたサイドシール部上部4Aとサイドシール部本体部4B間を結合状態とするよう構成されている。
Further, the pouch 1 is provided with first engagement portions 10A and 10B made of cuts on the side seal portion upper portion 4A of the pouch upper portion 1A and the side seal portion main body portion 4B of the pouch main body portion 1B. The first engaging portions 10A and 10B are composed of a side seal portion upper portion 4A and a side seal portion main body portion 4B.
In the middle part between the outer edge and the inner edge, the shape is symmetrical with respect to the planned bending line 8a of the bent part 8 which becomes the boundary between the pouch upper part 1A and the pouch body part 1B.
Then, as shown in FIGS. 1B to 1D, the pouch upper portion 1A is bent at the position of the planned folding line 8a with respect to the pouch main body portion 1B, the side seal portion upper portion 4A of the pouch upper portion 1A bent, and the pouch main body. When the side seal part main body part 4B of the part 1B is overlapped with each other, the first engagement parts 10A and 10B are also overlapped with each other, and the overlapped side seal part upper part 4A and the side seal part main body part 4B are connected. Has been.

また、サイドシール部4の折り曲げ予定線8aと重なる位置又はその近傍に、パウチ上部1Aを折り曲げやすく、かつ折り曲げ部8にかかる弾性復帰力によって発生する折り曲げ部8を開く方向のモーメントを低減するために、局部的に曲げ剛性を低くする折曲補助手段8bが設けられている。
図2には、第1係合部10A、10Bと共に、この折曲補助手段8b及び切裂防止手段8cを詳細に示している。
本実施の形態では、折曲補助手段8bは、サイドシール部4の外側端からパウチ内側に向けて、折り曲げ予定線8a上を所定長さだけ連続的に延びる切れ目により構成されており、さらにパウチ内側の前記切れ目の先端には、鉤状の切れ目からなる切裂防止手段8cが形成されている。これにより、折曲補助手段8bに負荷が掛かった際に、折曲補助手段8bが裂けてパウチ1が破袋することが防止されている。
Further, in order to reduce the moment in the direction of opening the bent portion 8 generated by the elastic restoring force applied to the bent portion 8 easily at the position where the side seal portion 4 overlaps the planned bending line 8a or in the vicinity thereof. Further, bending assisting means 8b for locally lowering the bending rigidity is provided.
FIG. 2 shows the folding assisting means 8b and the tearing prevention means 8c in detail together with the first engaging portions 10A and 10B.
In the present embodiment, the folding assisting means 8b is constituted by a cut extending continuously from the outer end of the side seal portion 4 toward the inside of the pouch by a predetermined length on the expected bending line 8a. At the tip of the inner cut, a tear preventing means 8c made of a hook-like cut is formed. Thereby, when a load is applied to the bending assisting means 8b, the bending assisting means 8b is prevented from being broken and the pouch 1 is broken.

折曲補助手段8bは、上述した連続的に延びる切れ目に限らず、ミシン目のような断続的な切れ目とすれば、パウチ破袋のおそれを低減することができる。加えて、サイドシール部4の外側端と内縁端の中途部に位置するよう設けてもよい。この場合は、図2(C)に示すように、折曲補助手段8bの両端に切裂防止手段8cを設けると好適である。
さらに、切れ目だけではなく、要するに局部的に曲げ剛性が低くなっていればよく、溝形状に癖付けされていてもよいし、薄肉になっていてもよいし、スリットに限らず、孔が空けられていてもよい。
The folding assisting means 8b is not limited to the above-mentioned continuous extending cuts, but if the folding auxiliary means 8b is an intermittent cut such as a perforation, the risk of pouch breakage can be reduced. In addition, you may provide so that it may be located in the middle part of the outer end of the side seal part 4, and an inner edge end. In this case, as shown in FIG. 2 (C), it is preferable to provide tear preventing means 8c at both ends of the bending assisting means 8b.
Furthermore, it is only necessary that the bending rigidity is low locally, not only in the cut line, but it may be brazed into a groove shape, may be thin, and is not limited to a slit. It may be done.

また、折り曲げ部8下だけではなくその近傍に折曲補助手段8bを複数設けることで、パウチ上部1Aを折り曲げやすく、かつ折り曲げ部8にかかる弾性復帰力によって発生する折り曲げ部8を開く方向のモーメントを低減できる。また、折り曲げ部8下のサイドシール部4近辺を外縁側より切り欠いて折曲補助手段8bとすることもできる。
また、切裂防止手段8cはパウチ内縁側から離れる方向に折曲補助手段8bを誘導でき
ればよく、折曲補助手段8bが連続的な切れ目である場合には鉤形状以外にも、円弧状、T字状など、種々の形状を採用できる。
Further, by providing a plurality of folding auxiliary means 8b not only under the bent portion 8 but also in the vicinity thereof, the moment in the direction of opening the bent portion 8 that is easy to bend the pouch upper portion 1A and is generated by the elastic restoring force applied to the bent portion 8 is provided. Can be reduced. Further, the vicinity of the side seal portion 4 below the bent portion 8 can be cut out from the outer edge side to form the bending assisting means 8b.
Further, the tear prevention means 8c only needs to be able to guide the folding assisting means 8b in a direction away from the inner edge side of the pouch. When the folding assisting means 8b is a continuous cut, in addition to the saddle shape, an arc shape, T Various shapes such as a letter shape can be adopted.

次に、第1係合部10A,10Bの構成について、図2及び図3を参照して詳細に説明
する。
第1係合部10A、10Bは、サイドシール部上部4A側に設けられる切れ目12aと、サイドシール部本体部4B側に設けられる切れ目12bとから形成される係止片11a, 11bからなる。
Next, the configuration of the first engaging portions 10A and 10B will be described in detail with reference to FIGS.
The first engaging portions 10A and 10B include locking pieces 11a and 11b formed from a cut 12a provided on the side seal portion upper portion 4A side and a cut 12b provided on the side seal portion main body portion 4B side.

サイドシール部上部4Aの切れ目12aは、上方に向かって一部開いた円形の切れ目であって、サイドシール部本体部4Bに向かって変形可能な係止片11aを切り出し形成する。また、切れ目12aの開放端から所定長さだけ上方に直線的に延びる一対の連結部用切れ目14aにより、連結部13aが所定長さの帯状の連結片として切り出し形成されている。これにより、係止片11aは、切れ目12aの開放端間の連結部13aを介してサイドシール部上部4Aと連結されている。   The cut 12a of the side seal portion upper portion 4A is a circular cut partially opened upward, and cuts and forms a locking piece 11a that can be deformed toward the side seal portion main body 4B. Further, the connecting portion 13a is cut and formed as a strip-shaped connecting piece having a predetermined length by a pair of connecting portion cuts 14a linearly extending upward from the open end of the cut 12a by a predetermined length. Thereby, the locking piece 11a is connected with 4 A of side seal part upper parts via the connection part 13a between the open ends of the cut | interruption 12a.

また、サイドシール部本体部4Bの切れ目12bは、下方に向かって一部開いた円形の切れ目であって、サイドシール部上部4Aの係止片11aと重なって変形する係止片11bを、重なり片として切り出し形成する。また、切れ目12bの開放端から所定長さだけ下方に直線的に延びる一対の連結部用切れ目14bにより、連結部13bが所定長さの帯状の連結片として切り出し形成されている。これにより、係止片11bは、切れ目12bの開放端間の連結部13bを介してサイドシール部本体部4Bと連結されている。   Further, the cut 12b of the side seal portion main body 4B is a circular cut partially opened downward, and overlaps the lock piece 11b that overlaps and deforms with the lock piece 11a of the upper side seal portion 4A. Cut and formed as a piece. Further, the connecting portion 13b is cut and formed as a strip-shaped connecting piece having a predetermined length by a pair of connecting portion cuts 14b linearly extending downward from the open end of the cut 12b by a predetermined length. Thereby, the locking piece 11b is connected with the side seal part main-body part 4B via the connection part 13b between the open ends of the cut | interruption 12b.

なお、連結部用切れ目14bには、切れ目12bとの付け根部に、連結部用切れ目14b間の間隔を局部的に狭める幅狭部15が設けられている。この幅狭部15の間隔W2は連結部用切れ目14a間の間隔W1より狭く、係止片11aを保持するものである。   In addition, the narrow part 15 which narrows the space | interval between the connection part cut | interruptions 14b locally in the base part with the cut | interruption 12b is provided in the connection part cut | interruption 14b. The interval W2 of the narrow portion 15 is narrower than the interval W1 between the connecting portion cuts 14a, and holds the locking piece 11a.

また、係止片11aは、サイドシール部本体部4Bの切れ目12bに係合して、摩擦力によって係止可能である。すなわち、係止片11aをサイドシール部本体部4B側に向かって押し込むと、係止片11aが弾性変形して切れ目12bを通り抜け、通り抜けて弾性復帰した部分が切れ目12bの縁部に係止可能な構成となっており、たとえば係止片11aを切れ目12bよりも大きな形状とすることで、締結強度は向上する。
なお、係止片11aの連結部13aの幅を、固定端部の両端から自由端側に向けて徐々に広がる方向とすることで、係止片11aがサイドシール部本体部4B側の幅狭部15に向けて突出する部分に引っ掛かりやすく、かつ上述した係止片11aの弾性復帰作用により、強固に係止可能である。
Moreover, the latching piece 11a engages with the cut | interruption 12b of the side seal part main-body part 4B, and can be latched by frictional force. That is, when the locking piece 11a is pushed toward the side seal portion main body 4B side, the locking piece 11a is elastically deformed to pass through the cut 12b, and the portion that has passed through and elastically returned can be locked to the edge of the cut 12b. The fastening strength is improved by making the locking piece 11a larger than the cut 12b, for example.
The width of the connecting portion 13a of the locking piece 11a is gradually increased from both ends of the fixed end portion toward the free end side, so that the locking piece 11a is narrow on the side seal portion main body portion 4B side. It is easy to get caught in the portion protruding toward the portion 15 and can be firmly locked by the elastic return action of the locking piece 11a described above.

また、係止片11a,11bを構成する切れ目12a,12bは、同一の形状,大きさを有し、折り曲げ予定線8aに対して線対称の位置に形成されている。このため、パウチ上部1Aをパウチ本体部1Bに対して折り曲げた際、係止片11aと係止片11bが重なり合うと共に、連結部13a,13bについても重なり合う。そして、パウチ上部1A側から係止片11a,11bを押し込むことにより、係止片11aに連なる連結部13aが、連結部13bの幅狭部15を乗り越え、連結部13aの縁に幅狭部15が係合して、折り曲げたサイドシール部上部4Aとサイドシール部本体部4B間を結合する構成となっている。また、係止片11aと係止片11bを重ねて折返し部17とし、折返し部17をサイドシール部本体部4Bに突き出す方向に変形させることで、サイドシール部上部4Aとサイドシール部本体部4Bを貫通する貫通孔16が形成される。   Further, the cut lines 12a and 12b constituting the locking pieces 11a and 11b have the same shape and size, and are formed at positions symmetrical with respect to the planned bending line 8a. For this reason, when the pouch upper part 1A is bent with respect to the pouch main body part 1B, the locking piece 11a and the locking piece 11b overlap, and the connection parts 13a and 13b also overlap. Then, by pushing the locking pieces 11a and 11b from the pouch upper part 1A side, the connecting portion 13a connected to the locking piece 11a gets over the narrow portion 15 of the connecting portion 13b, and the narrow portion 15 on the edge of the connecting portion 13a. Are engaged, and the bent side seal portion upper portion 4A and the side seal portion main body portion 4B are coupled to each other. Further, the locking piece 11a and the locking piece 11b are overlapped to form a folded portion 17, and the folded portion 17 is deformed in a direction protruding to the side seal portion main body portion 4B, whereby the side seal portion upper portion 4A and the side seal portion main body portion 4B. A through-hole 16 penetrating through is formed.

本実施の形態によれば、仮固定の際、パウチ上部1Aをパウチ本体部1Bに対して折り曲げ予定線8a位置で折り曲げる。本実施の形態では、折曲補助手段8bによって、サイ
ドシール部の折り曲げ部8に対応する部分が局部的に曲げ剛性が低くなっているので、パウチ上部1Aをパウチ本体部1Bに対して折り曲げ易い。
また、折曲補助手段8bによって、折り曲げ予定線8a位置で正確に折り曲げることができ、折り曲げたパウチ上部1Aのサイドシール部上部4Aと、パウチ本体部1Bのサイドシール部本体部4Bを互いに重ね合わせると、第1係合部10A、10Bも互いに重なり合い、第1係合部10A、10Bの係合作業も容易にできる。
さらに、第1係合部10A,10を係合した状態においても、折り曲げ部8を開く方向に作用する弾性復帰力は小さいので、第1係合部10A、10Bの変形も小さく、第1係合部10A、10Bの切れ目をサイドシール部4の中途部に設けたことと相俟って、第1係合部10A、10Bの係合が外れにくい構造となっている。
According to the present embodiment, at the time of temporary fixing, the upper part 1A of the pouch is bent with respect to the pouch body part 1B at the position of the planned bending line 8a. In the present embodiment, the bending assisting means 8b locally lowers the bending rigidity of the portion corresponding to the bent portion 8 of the side seal portion, so the pouch upper portion 1A can be easily bent with respect to the pouch main body portion 1B. .
Further, the folding assisting means 8b can bend accurately at the position of the planned folding line 8a, and the folded side seal portion upper portion 4A of the pouch upper portion 1A and the side seal portion main portion 4B of the pouch main body portion 1B are overlapped with each other. In addition, the first engaging portions 10A and 10B overlap each other, and the engaging operation of the first engaging portions 10A and 10B can be facilitated.
Further, even when the first engaging portions 10A and 10 are engaged, the elastic restoring force acting in the direction of opening the bent portion 8 is small, so that the deformation of the first engaging portions 10A and 10B is small, and the first engagement Combined with the fact that the cut portions of the joint portions 10A and 10B are provided in the middle of the side seal portion 4, the first engagement portions 10A and 10B are not easily disengaged.

また、折曲補助手段8bのパウチ内側に、切裂防止手段8cが設けられているので、折曲補助手段8bに沿って切れ目がパウチ内側に裂けることを防止することができ、より効果的に内容物の漏洩を防止することができる。
さらに、第1係合部10A、10Bをサイドシール部の中途部に設けたこと、加えて連結部用切れ目14bに設けられた幅狭部15によって、係止片11aを保持可能としているので、第1係合部10A、10Bに一層大きな力が作用した場合であっても、係合部を外れにくい構造とすることができる。
したがって、パウチを折り曲げたままで運搬及び販売することが可能となり、搬送効率および収容効率に優れたパウチを供することができる。また、パウチの一部を折り曲げると、パウチの一部(上部であればヘッドスペース部)の気体がパウチ本体部に移動し、パウチ本体部の内圧が折り曲げ前と比べて高まるため、平面フィルムが前後に膨らんで把持しやすい形状となる。
以上説明したように、この実施例では、折り重ねたサイドシール部上部4Aとサイドシール部本体部4Bを結合する第1係合部10A,10Bは、いずれも折り曲げたサイドシール部上部4A側から係止片11aを押し込んで係合するように構成されており、第1係合部10A,10Bの結合操作の容易化を図っている。
Moreover, since the tear prevention means 8c is provided inside the pouch of the folding assisting means 8b, it is possible to prevent the cuts from tearing inside the pouch along the folding assisting means 8b, and more effectively. Content leakage can be prevented.
Furthermore, since the first engagement portions 10A and 10B are provided in the middle of the side seal portion, and in addition, the locking piece 11a can be held by the narrow portion 15 provided in the connection portion cut 14b. Even when a larger force is applied to the first engaging portions 10A and 10B, a structure in which the engaging portions are hardly detached can be obtained.
Accordingly, the pouch can be transported and sold while being folded, and a pouch having excellent transport efficiency and accommodation efficiency can be provided. Also, when a part of the pouch is folded, the gas in a part of the pouch (the head space part if it is the upper part) moves to the pouch body part, and the internal pressure of the pouch body part increases compared to before folding, so that the flat film is The shape swells back and forth and becomes easy to grip.
As described above, in this embodiment, the first engagement portions 10A and 10B that join the folded side seal portion upper portion 4A and the side seal portion main body portion 4B are both bent from the side seal portion upper portion 4A side. The engaging piece 11a is pushed in and engaged to facilitate the coupling operation of the first engaging portions 10A and 10B.

なお、上記実施例では、第1係合部10A,10Bの片側1カ所ずつ、合計2カ所の係合部によって結合するようになっているが、係合部の数、配置は任意に設定できる。また、左右のサイドシール部の係合部の数が異なっていてもよい。また、複数の係合部が設けられている場合は、係止片を押し込む方向も任意であり、例えば、第1係合部10A,10Bが2箇所(パウチ上部1Aに第1係合部10Aが2箇所、パウチ本体部1Bに第1係合部10Bが2箇所)の場合、一方をサイドシール部上部4A側からサイドシール部本体部4B側に押し込み、他方をサイドシール部本体部4B側からサイドシール部上部4A側に押し込んで結合する構成となっていてもよい。また、重なり片として切り出し成形される第1係合部10Bの係止片11bは、必要に応じて第1係合部10Bより切除してもよい。   In the above embodiment, the first engaging portions 10A and 10B are coupled to each other by one total of two engaging portions, but the number and arrangement of the engaging portions can be arbitrarily set. . Further, the number of engaging portions of the left and right side seal portions may be different. Further, when a plurality of engaging portions are provided, the direction in which the locking piece is pushed in is also arbitrary. For example, the first engaging portions 10A and 10B have two locations (the first engaging portion 10A on the pouch upper portion 1A). Are two places, and the pouch body part 1B has two first engaging parts 10B), one is pushed from the side seal part upper part 4A side to the side seal part body part 4B side, and the other is side seal part body part 4B side. May be configured to be pushed into the side seal portion upper portion 4A side and coupled. Further, the locking piece 11b of the first engagement portion 10B cut out and formed as an overlapping piece may be cut off from the first engagement portion 10B as necessary.

次に、係合部についての各種形態例について説明する。
以下の説明で、上記実施の形態と同一の構成部分については、同一の符号を付し、説明は省略する。特に、折曲補助手段8b及び引裂防止部8cは同様の構成である。
Next, various examples of the engaging portion will be described.
In the following description, the same components as those in the above embodiment are denoted by the same reference numerals and description thereof is omitted. In particular, the bending assisting means 8b and the tear preventing portion 8c have the same configuration.

[実施の形態2]
図4は、本発明の実施の形態2に係るパウチの係合部の構造を示している。
この実施形態2の第2係合部20A,20Bは、サイドシール部上部4A及びサイドシール部本体部4Bに形成される係止片21a,21a及び係止片21b,21bが、自由端側を突き合わせる形で一対ずつ設けられた構成となっている。
[Embodiment 2]
FIG. 4 shows the structure of the engaging part of the pouch according to the second embodiment of the present invention.
In the second engaging portions 20A and 20B of the second embodiment, the locking pieces 21a and 21a and the locking pieces 21b and 21b formed on the side seal portion upper portion 4A and the side seal portion main body portion 4B are arranged on the free end side. It has a configuration in which a pair is provided in abutting form.

サイドシール部上部4Aには、縦方向切れ目22a1と、横方向切れ目22a2と、カ
ール部22a3からなる切れ目22aによって、サイドシール部本体部4B側に変形可能な一対の係止片21a、21aが、その自由端が突き合わされるように切り出し形成されている。これにより、一対の係止片21a、21aは、互いに反対側に位置する固定端部を屈曲起点として、各係止片が片持ち状態で両開き形状となる。また、サイドシール部本体部4Bには、切れ目22aと同様の切れ目22bによって、一対の係止片21b、21bが重なり片として切り出し形成されている。
The side seal portion upper portion 4A has a pair of locking pieces 21a and 21a that can be deformed to the side seal portion main body 4B side by a cut 22a including a vertical cut 22a1, a horizontal cut 22a2, and a curled portion 22a3. It is cut out so that its free end is abutted. As a result, the pair of locking pieces 21a, 21a has a double-opened shape in a cantilevered state, with the fixed end portions located on opposite sides as bending starting points. Further, the pair of locking pieces 21b and 21b are cut out and formed as overlapping pieces in the side seal portion main body 4B by a cut 22b similar to the cut 22a.

パウチ上部1Aが折り曲げられると、一対の係止片21b、21bは、サイドシール部本体部4B側に押し込まれた係止片21a、21aと重なってサイドシール部本体部4Bの裏面側に屈曲変形し、重なったサイドシール部上部4Aとサイドシール部本体部4B間を貫通する貫通孔25が形成されるようになっている。また、一対の係止片21a、21a、一対の係止片21b、21bからなる折返し部23,23は、貫通孔25のサイドシール部本体部4B側の周縁に折り返された構成となり、サイドシール部本体部4B側のサイドシール部上部4Aとは反対側の側面に突出した状態で折り返して固定される。   When the pouch upper portion 1A is bent, the pair of locking pieces 21b and 21b overlaps with the locking pieces 21a and 21a pushed into the side seal portion main body portion 4B and bends and deforms on the back surface side of the side seal portion main body portion 4B. And the through-hole 25 which penetrates between the side seal part upper part 4A and the side seal part main-body part 4B which overlapped is formed. Further, the folded portions 23, 23 including the pair of locking pieces 21 a, 21 a and the pair of locking pieces 21 b, 21 b are configured to be folded back to the peripheral edge of the through-hole 25 on the side seal portion main body portion 4 B side. It is folded back and fixed in a state of projecting to the side surface on the side opposite to the side seal part upper part 4A on the part main body part 4B side.

上記した複数の係止片と重なり片からなる係合部によれば、締結強度を一層高めることができる。また、各係止片21a、21aと係止片21b、21bが片持ち状態で両開き形状となるため、貫通孔25を大きく設けることができ、例えばパウチ1を吊り下げる場合に、貫通孔25と図示しない吊り下げ用部材との位置合わせが容易となる。
また、カール部22a3、22b3のような鉤型の切れ目によって、係止片の亀裂進行が抑止されているため、過重により貫通孔25に亀裂が発生しても内容物が漏洩してしまうのを防止することができる。なお、前記したカール部22a3の形状は適宜選択することができ、本実施形態の他の係合部に適用することもできる。
According to the engaging portion formed of the plurality of locking pieces and the overlapping pieces, the fastening strength can be further increased. Moreover, since each latching piece 21a, 21a and latching piece 21b, 21b become a double opening shape in the cantilever state, the through-hole 25 can be provided large, for example, when hanging the pouch 1, Positioning with a suspension member (not shown) is facilitated.
Further, since the cracks of the locking pieces are suppressed by the saddle-shaped cuts such as the curled portions 22a3 and 22b3, the content leaks even if the through holes 25 are cracked due to excessive weight. Can be prevented. The shape of the curled portion 22a3 can be selected as appropriate, and can be applied to other engaging portions of the present embodiment.

[実施の形態3]
図5は、本発明の実施の形態3に係るパウチの係合部の構造を示している。
この実施形態3の第3係合部30A,30Bは、サイドシール部上部4Aに形成される係止片31a,31a、及びサイドシール部本体部4Bに形成される係止片31b,31bが、自由端側が互いに反対側になるように所定寸法だけ隔てて一対設けられた構成となっている。
[Embodiment 3]
FIG. 5 shows the structure of the engaging portion of the pouch according to the third embodiment of the present invention.
The third engaging portions 30A and 30B of the third embodiment are provided with locking pieces 31a and 31a formed on the side seal portion upper portion 4A and locking pieces 31b and 31b formed on the side seal portion main body portion 4B. A pair is provided with a predetermined dimension so that the free end sides are opposite to each other.

サイドシール部上部4Aには、切れ目32aによってサイドシール部本体部4B側に変形可能な一対の係止片31a,31aが形成され、サイドシール部本体部4Bには、切れ目32bによって、サイドシール部上部4A側の係止片31a,31aと重なってサイドシール部本体部4Bのサイドシール部上部4Aと反対側の側面側に変形する係止片31b,31bが設けられている。そして、サイドシール部上部4Aの係止片31a,31aは、その自由端が互いに反対側に位置するように、サイドシール部上部4Aに切れ目32aを入れた構成となっており、固定端部を屈曲起点として、各係止片係止片31a,31aが片持ち状態でコの形状に開く構成となっている。この第3係合部30も、実施の形態2と同様に、サイドシール部上部4Aとサイドシール部本体部4Bを結合すると共に貫通孔35が形成される。この場合、貫通孔35は2カ所に形成される。   A pair of locking pieces 31a, 31a that can be deformed to the side seal part main body 4B side by the cut 32a is formed on the side seal part upper part 4A, and the side seal part main part 4B has a side seal part by the cut 32b. Locking pieces 31b and 31b are provided which overlap with the locking pieces 31a and 31a on the upper 4A side and are deformed to the side surface side opposite to the side seal portion upper part 4A of the side seal portion main body 4B. The locking pieces 31a and 31a of the side seal portion upper portion 4A are configured such that a cut 32a is made in the side seal portion upper portion 4A so that the free ends thereof are located on the opposite sides, and the fixed end portion is formed. As a bending starting point, each locking piece locking piece 31a, 31a is configured to open in a U shape in a cantilever state. Similarly to the second embodiment, the third engagement portion 30 also joins the side seal portion upper portion 4A and the side seal portion main body portion 4B and has a through hole 35 formed therein. In this case, the through holes 35 are formed in two places.

また、係止片31a,31b、および係止片31a、31bからなる折返し部33,33は、貫通孔35のサイドシール部本体部4B側の周縁に自由端が向かい合うように折り返された構成となり、サイドシール部本体部4B側のサイドシール部上部4Aとは反対側の側面に突出した状態で折り返して固定される。   In addition, the folding portions 33 and 33 including the locking pieces 31a and 31b and the locking pieces 31a and 31b are configured to be folded back so that the free end faces the peripheral edge of the through-hole 35 on the side seal portion main body 4B side. The side seal portion main body 4B side is folded and fixed in a state of protruding from the side surface opposite to the side seal portion upper portion 4A.

上記した複数の係止片と重なり片からなる係合部によれば、締結強度を一層高めることができる。また、サイドシール部上部4Aとサイドシール部本体部4Bを結合すると共に貫通孔35を複数(本実施例では2箇所)に形成することができ、例えばパウチ1を吊り
下げる場合に、2箇所の貫通孔35の所望の高さ位置を選択することができ、高さ位置における自由度を増すことができる。
According to the engaging portion formed of the plurality of locking pieces and the overlapping pieces, the fastening strength can be further increased. In addition, the side seal portion upper portion 4A and the side seal portion main body portion 4B can be combined and the through-hole 35 can be formed in a plurality (two in this embodiment). For example, when the pouch 1 is suspended, A desired height position of the through hole 35 can be selected, and the degree of freedom in the height position can be increased.

[実施の形態4]
図6は、本発明の実施の形態4に係るパウチの係合部の構造を示している。
この実施の形態4に記載の第4係合部40A,40Bは、図6に示すように、サイドシール部上部4Aに形成される係止片41a、及びサイドシール部本体部4Bに形成される係止片41bが、重なり合った折返し部43を、縫い合わせるように、押え用切れ目44を通過させて、さらにサイドシール部上部4A側に突出させるように構成したものである。
[Embodiment 4]
FIG. 6 shows the structure of the engaging portion of the pouch according to the fourth embodiment of the present invention.
As shown in FIG. 6, the fourth engaging portions 40A and 40B described in the fourth embodiment are formed on the locking pieces 41a formed on the side seal portion upper portion 4A and the side seal portion main body portion 4B. The locking piece 41b is configured to pass through the presser cut line 44 and further protrude toward the side seal portion upper portion 4A so as to sew the overlapped folded portions 43 together.

サイドシール部上部4Aには、切れ目42aによってサイドシール部本体部4B側に変形可能な係止片41aが形成され、サイドシール部本体部4Bには、切れ目42bによって、サイドシール部上部4A側の係止片41aと重なってサイドシール部本体部4Bのサイドシール部上部4Aと反対の側面側に変形する係止片41bが設けられている。   The side seal portion upper portion 4A is formed with a locking piece 41a that can be deformed to the side seal portion main body portion 4B side by a cut 42a. The side seal portion main body portion 4B has a cut portion 42b on the side seal portion upper portion 4A side. A locking piece 41b that overlaps with the locking piece 41a and is deformed on the side surface opposite to the side seal portion upper portion 4A of the side seal portion main body portion 4B is provided.

サイドシール部上部4A側の係止片41aとサイドシール部本体部4B側の係止片41bは、固定端部を起点として自由端部側が撓み変形する片持ち形状となっており、係止片41aと41bを重ねた状態で折返し部43として、サイドシール部本体部4B側に屈曲させて押し込んだ後、サイドシール部本体部4B側のサイドシール部上部4Aとは反対側の側面に突出した折返し部43を折り返し、さらに貫通孔45から所定距離離間した位置に設けられた押え用切れ目44に差し込んで固定する。このとき、重なったサイドシール部上部4Aとサイドシール部本体部4B間を貫通する貫通孔45が形成されるようになっている。   The locking piece 41a on the side seal part upper part 4A side and the locking piece 41b on the side seal part main body part 4B side have a cantilever shape in which the free end side is bent and deformed starting from the fixed end part. 41a and 41b overlapped as the folded portion 43, after being bent and pushed to the side seal portion main body 4B side, protruded to the side surface opposite to the side seal portion upper portion 4A on the side seal portion main body portion 4B side The folded portion 43 is folded and further inserted into the presser cut 44 provided at a position separated from the through hole 45 by a predetermined distance and fixed. At this time, a through-hole 45 penetrating between the overlapped side seal portion upper portion 4A and the side seal portion main body portion 4B is formed.

上記形状によれば、締結強度を高めることができ、係合部が外れることによってパウチ上部が復元するおそれがなく、様々な用途に前記パウチを用いることができる。なお、上記実施形態において、押え用切れ目44の幅は係止片41a、41bと略同幅であるが、その切れ目を係止片41a、41bの幅より長くすることで差し込み易くすることができる。また、押え用切れ目44から突出した折返し部43を、押え用切れ目44を起点として貫通孔45側に更に折り曲げることで、締結強度をより一層高めることができる。   According to the above shape, the fastening strength can be increased, and there is no possibility that the upper part of the pouch is restored due to the disengagement of the engaging part, and the pouch can be used for various applications. In addition, in the said embodiment, although the width | variety of the press cut 44 is substantially the same width as the locking pieces 41a and 41b, it can be made easy to insert by making the cut longer than the width of the locking pieces 41a and 41b. . Further, by further folding the folded portion 43 protruding from the presser cut line 44 toward the through hole 45 starting from the presser cut line 44, the fastening strength can be further increased.

[実施の形態5]
図7は、本発明の実施の形態5に係るパウチの係合部の構造を示している。
この実施の形態5に記載の第5係合部50A,50Bは、図7に示すように、サイドシール部上部4Aに形成される係止片51a、及びサイドシール部本体部4Bに形成される係止片51bからなる。なお図示の例では、前述の第1係合部10A,10Bが併設されている。
[Embodiment 5]
FIG. 7 shows the structure of the engaging portion of the pouch according to the fifth embodiment of the present invention.
As shown in FIG. 7, the fifth engaging portions 50A and 50B described in the fifth embodiment are formed on the locking piece 51a formed on the side seal portion upper portion 4A and the side seal portion main body portion 4B. It consists of a locking piece 51b. In the illustrated example, the first engaging portions 10A and 10B described above are provided side by side.

切れ目52aは、サイドシール部上部4Aの内側縁側が一部開いたループ形状で、上方に突出する逆U字形状の上部切れ目52a1と、下方に突出するU字形状の下部切れ目52a2と、上部切れ目52a1と下部切れ目52a2の外側端部間を接続する直線状の側方切れ目52a3とを備えている。側方切れ目52a3は直線状であるが、湾曲していてもよい。さらに、上部切れ目52a1のループ端より上方に向かって円弧状に曲がる上端末切れ目52a4と、下端部切れ目52a2のループ端より下方に向かって円弧状に曲がる下端末切れ目52a5とが、後述する固定端部を拡げる方向に設けられている。   The cut 52a has a loop shape in which the inner edge side of the upper part 4A of the side seal part is partially open, and an inverted U-shaped upper cut 52a1 protruding upward, a U-shaped lower cut 52a2 protruding downward, and an upper cut 52a1 and a linear side cut 52a3 connecting the outer ends of the lower cut 52a2. The side cut 52a3 is linear, but may be curved. Furthermore, an upper end cut 52a4 that bends in an arc shape upward from the loop end of the upper cut 52a1, and a lower end cut 52a5 that bends in an arc shape downward from the loop end of the lower end cut 52a2 are fixed ends described later. It is provided in the direction of expanding the part.

前記上端末切れ目52a4と下端末切れ目52a5間の上下方向の間隔は、上部切れ目52a1と下部切れ目52a2間の上下方向の最大幅よりも狭い。この切れ目52aは、係止片51aを縁取るものであり、係止片51aは内側の上端末切れ目52a4と下端末
切れ目52a5間の連結部分を固定端として自由端側が自由に撓み変形する片持ち形状となっている。また、固定端はサイドシール部の内側縁側で、自由端はサイドシール部4の外側縁側である。すなわち、係止片52aは、付け根の固定端部より自由端側が上下に張り出す上部切れ目52a1と下部切れ目52a2を備えたT字形状となっている。すなわち、係止片51aは、付け根の固定端部より自由端側が上下に張り出す上部張り出し部53a1と下部張り出し部53a2を備えたT字を横倒しにした 形状となっている。なお、固定端および自由端のサイドシール上の位置については、特に限定されるものではない。
The vertical interval between the upper terminal cut 52a4 and the lower terminal cut 52a5 is narrower than the maximum vertical width between the upper cut 52a1 and the lower cut 52a2. The cut 52a borders the locking piece 51a, and the locking piece 51a is a cantilever in which the free end is freely bent and deformed with the connecting portion between the inner upper cut 52a4 and the lower cut 52a5 as a fixed end. It has a shape. The fixed end is the inner edge side of the side seal portion, and the free end is the outer edge side of the side seal portion 4. That is, the locking piece 52a has a T-shape including an upper cut 52a1 and a lower cut 52a2 that protrude from the fixed end of the base up and down. That is, the locking piece 51a has a shape in which a T-shape provided with an upper projecting portion 53a1 and a lower projecting portion 53a2 with the free end projecting vertically from the fixed end of the base is laid down. The positions on the side seals of the fixed end and the free end are not particularly limited.

一方、切れ目52bも、サイドシール部本体部4Bの内側縁側が一部開き外側縁側に円弧状に湾曲した側方湾曲切れ目52b3を備えた湾曲形状で、その内側縁側端部は、ループ端に向かって固定端部を狭める方向に円弧状に湾曲した上端末切れ目52b4と、下端末切れ目52b5とを備えている。 この切れ目52bによって、サイドシール部上部4Aの係止片51aと重なって変形する係止片51bが形成されている。また、切れ目51bの上端末切れ目52b4と下端末切れ目52b5の最大幅は、切れ目51aの上端末切れ目51a4と下端末切れ目51a5の最小幅より若干大きく、パウチ上部1Aをパウチ本体部1Bに折り曲げた際には、図7(B)に示すように、係止片51aと係止片51bが重なるように折り曲げられる。   On the other hand, the cut 52b has a curved shape including a side curved cut 52b3 that is partially opened on the inner edge side of the side seal portion main body 4B and curved in an arc shape on the outer edge side, and the inner edge side end portion faces the loop end. Thus, an upper end cut 52b4 and a lower end cut 52b5 that are curved in an arc shape in the direction of narrowing the fixed end are provided. The cut 52b forms a locking piece 51b that overlaps and deforms with the locking piece 51a of the upper side seal portion 4A. Further, the maximum widths of the upper terminal cut 52b4 and the lower terminal cut 52b5 of the cut 51b are slightly larger than the minimum widths of the upper terminal cut 51a4 and the lower terminal cut 51a5 of the cut 51a, and the pouch upper portion 1A is bent into the pouch main body 1B. 7B, the locking piece 51a and the locking piece 51b are bent so as to overlap each other.

切れ目52aによって形成される係止片51aの上部張り出し部53a1と下部張り出し部53a2は、切れ目52bの側方湾曲切れ目52b3の輪郭に対して外側に突出するよう形成されている。そして、サイドシール本体部4B側に押し込まれた際、弾性変形して側方湾曲切れ目52b3を通り抜けた後に弾性復帰し、サイドシール部本体部4Bの側方湾曲切れ目52b3の外縁部に係合して、サイドシール部上部4Aとサイドシール部本体部4Bが結合される。   The upper overhang 53a1 and the lower overhang 53a2 of the locking piece 51a formed by the cut 52a are formed so as to protrude outward with respect to the contour of the side curved cut 52b3 of the cut 52b. When the side seal body 4B is pushed in, it is elastically deformed and passes through the side curved cut 52b3, and then elastically returns to engage with the outer edge of the side curved cut 52b3 of the side seal body 4B. Thus, the side seal portion upper portion 4A and the side seal portion main body portion 4B are coupled.

本実施形態では、係止片51aと共に係止片51bが撓み変形するので、係止片51aを大きく撓ませることができ、側方湾曲切れ目52b3に係合させやすい。また、係止片51aが係合する切れ目52bの側方湾曲部53bが、円弧状に湾曲しているので、係止片51aの上部張り出し部53a1、下部張り出し部53a2がスムーズに切れ目52bの切れ目を通り抜けやすく、結合操作がしやすい。また、他の実施形態と異なり、係止片の連結部位を強く屈曲させなくても十分な締結強度が得られる。   In this embodiment, since the locking piece 51b is bent and deformed together with the locking piece 51a, the locking piece 51a can be greatly bent and easily engaged with the side curved cut line 52b3. Further, since the side curved portion 53b of the cut 52b with which the locking piece 51a is engaged is curved in an arc shape, the upper protruding portion 53a1 and the lower protruding portion 53a2 of the locking piece 51a are smoothly cut at the cut 52b. Easy to pass through and easy to join. Further, unlike other embodiments, sufficient fastening strength can be obtained without strongly bending the connecting portion of the locking piece.

なお、係止片51aは上部張り出し部53a1及び下部張り出し部53a2を備えたT字形状である必要はなく、サイドシール部本体部4B側に変形しサイドシール部本体部4B側の切れ目52bに係合するような係止片51aであれば、形状は任意である。
また、切れ目52bについても、湾曲形状に限定されるものではなく、係止片51aが係合可能な構成となっていればよく、要するに、サイドシール部上部4Aから他方のサイドシール部本体部4B側に向かって変形する係止片51aを保持する構成となっていればよい。さらに、上記実施の形態では、切れ目52aと切れ目52bが一組だけの場合について説明したが、複数組設けられていてもよい。
Note that the locking piece 51a does not have to be T-shaped with the upper projecting portion 53a1 and the lower projecting portion 53a2, but is deformed to the side seal portion main body portion 4B side and is engaged with the cut 52b on the side seal portion main body portion 4B side. The shape is arbitrary as long as the locking pieces 51a are matched.
Further, the cut line 52b is not limited to a curved shape, and may be configured so that the locking piece 51a can be engaged. In short, from the side seal part upper part 4A to the other side seal part main body part 4B. What is necessary is just to become the structure holding the latching piece 51a which deform | transforms toward the side. Furthermore, although the case where only one set of the cut line 52a and the cut line 52b has been described in the above embodiment, a plurality of sets may be provided.

上記形状によれば、係止片51aと共に係止片51bが撓み変形するので、係止片51aを大きく撓ませることができ、パウチ上部1Aとパウチ本体部1Bを容易に締結することができ、また、押し込まれた張り出し部53a1及び53a2がパウチ本体部1Bに引っかかる形状であるので、パウチの幅方向の応力に対して強い締結力を発揮する。さらに、図7に示すように第1係合部10A及び10Bなど、折り返しの向きが異なる係合部と組み合わせることで、締結強度をより一層高めることができ、好適である。   According to the above shape, the locking piece 51b is bent and deformed together with the locking piece 51a, so that the locking piece 51a can be greatly bent, and the pouch upper part 1A and the pouch main body part 1B can be easily fastened. Further, since the pushed-out portions 53a1 and 53a2 are shaped so as to be caught by the pouch main body portion 1B, a strong fastening force is exerted against the stress in the width direction of the pouch. Furthermore, as shown in FIG. 7, it is possible to further increase the fastening strength by combining with the engaging portions having different folding directions such as the first engaging portions 10A and 10B, which is preferable.

なお、上記各実施の形態では、サイドシール部上部4A側に係止片が形成され、サイド
シール部本体部4B側に係止片が保持される切れ目が設けられる構成を例にとって説明したが、係止片をサイドシール部本体部4B側に設け、サイドシール部上部4A側の切れ目に係合するような構成としてもよいことはもちろんである。また、係止片を同一サイズではなく、挿入する係止片を若干大きくすることで、さらに締結強度を高めることができる。
In each of the above-described embodiments, a description has been given by taking as an example a configuration in which a locking piece is formed on the side seal portion upper portion 4A side and a cut is provided on the side seal portion main body portion 4B side. Of course, the engaging piece may be provided on the side seal portion main body portion 4B side and engaged with the cut on the side seal portion upper portion 4A side. Further, the fastening strength can be further increased by slightly increasing the size of the locking piece to be inserted, rather than the same size.

[別の実施形態]
図8は、本発明のさらに別の実施の形態を示している。
この別の実施の形態では、図1に示した構成のパウチ1の構成において、図8(A)〜(D)に示すように、サイドシール部4の一部がパウチ内方に向けて幅広となる幅広部9が設けられている。また、折曲補助手段としての折曲補助手段8b及び切裂防止手段8cは、幅広部9の幅に対応して形成されている。そして、例えば第1係合部10A,10Bを幅広部9内に設け、この第1係合部10A,10Bを介して、重ね合わせたサイドシール部上部4Aとサイドシール部本体部4B間を結合状態とする構成となっている。なお、前記幅広部は、2つあるサイドシール部4の片方のみに設けてもよく、また、パウチ内方への張り出し量(幅広部9の横幅)についても任意である。
[Another embodiment]
FIG. 8 shows still another embodiment of the present invention.
In this other embodiment, in the configuration of the pouch 1 having the configuration shown in FIG. 1, as shown in FIGS. 8A to 8D, a part of the side seal portion 4 is widened toward the inside of the pouch. A wide portion 9 is provided. Further, the bending assisting means 8 b and the tearing preventing means 8 c as the bending assisting means are formed corresponding to the width of the wide portion 9. Then, for example, the first engaging portions 10A and 10B are provided in the wide portion 9, and the overlapped side seal portion upper portion 4A and the side seal portion main body portion 4B are coupled via the first engaging portions 10A and 10B. It is the composition which becomes a state. The wide portion may be provided only on one of the two side seal portions 4 and the amount of protrusion to the inside of the pouch (lateral width of the wide portion 9) is arbitrary.

上記の別の実施形態によれば、パウチ1の曲げ剛性の高い幅広部9の曲げ剛性を折曲補助手段8bにより低下させることで、パウチ上部1Aをパウチ本体部1Bに対して折り曲げ易く、第1係合部10A、10Bを係合させて仮固定とした状態においても、弾性復帰力に起因する折り曲げ部8を開く方向のモーメントも小さく、係合部の変形も小さくなり、係合部が外れにくい。また、幅広部9は剛性が高く、サイドシール部4の他の部分と比べて幅広であるため、パウチを持つ際に持手とすることもできる。これにより、内容物Wの流動圧によって、折り曲げられたパウチ上部1Aが起き上がる方向に復元するおそれがなく、パウチ1は安定した形状を保つことができる。   According to another embodiment described above, by reducing the bending rigidity of the wide part 9 having a high bending rigidity of the pouch 1 by the bending assisting means 8b, the pouch upper part 1A can be easily bent with respect to the pouch main body part 1B. Even in the state where the engaging portions 10A and 10B are engaged and temporarily fixed, the moment in the direction of opening the bent portion 8 due to the elastic restoring force is small, the deformation of the engaging portion is small, and the engaging portion is Hard to come off. Moreover, since the wide part 9 has high rigidity and is wider than other parts of the side seal part 4, it can be used as a handle when holding a pouch. Thereby, there is no possibility that the folded upper portion 1A of the folded pouch is restored due to the flow pressure of the contents W, and the pouch 1 can maintain a stable shape.

なお、本発明では、パウチとしてスタンディングパウチを例にとって説明したが、三方シール、四方シール等の平パウチ構成でもよいし、その他種々の構成のパウチについて適用することができる。また、この例では、サイドシール部上部とサイドシール部本体部の重なり合う部分に係合部を設けて結合する構成について説明したが、これに限定されるものではなく、たとえば、上辺シール部とサイドシール部を結合することもできるし、上辺シール部と底辺シール部を結合するように構成してもよいし、パウチの大きさやヒートシール部の構成に応じて種々の構成を採用することができる。また、上記各実施の形態によれば、パウチを折り曲げたままで運搬及び販売することが可能となり、搬送効率および収容効率に優れたパウチを供することができる。   In the present invention, a standing pouch has been described as an example of the pouch. However, a flat pouch configuration such as a three-side seal or a four-side seal may be used, and the pouch can be applied to various other configurations. Moreover, in this example, although the structure which provided the engaging part in the overlap part of the side seal part upper part and the side seal part main-body part, and couple | bonded was demonstrated, it is not limited to this, For example, an upper side seal part and a side The seal part can be combined, or the upper side seal part and the bottom side seal part can be combined, and various configurations can be adopted depending on the size of the pouch and the configuration of the heat seal part. . Further, according to each of the above embodiments, the pouch can be transported and sold while being folded, and a pouch excellent in conveying efficiency and accommodation efficiency can be provided.

1 パウチ
1A パウチ上部、
1B パウチ本体部
2 平面フィルム、3 底部フィルム
4 サイドシール部
4A サイドシール部上部
4B サイドシール部本体部
5 上辺シール部
6 底部シール部
7 ポイントシール部
8 折り曲げ部
8a 折り曲げ予定線、8b 折曲補助手段、8c 切裂防止手段
9 幅広部

10 第1係合部 (10A,10B)(実施の形態1)
11a 上部係止片、11b 本体部係止片
12a 上部切れ目、12b 本体部切れ目
13a 上部連結部、13b 本体部連結部、
14a 上部側連結部用切れ目、 14b 本体部側連結部用切れ目
15 幅狭部
16 貫通孔
17 折返し部
W 内容物
20 第2係合部(20A,20B)(実施の形態2)
21a 係止片、21b 係止片、
22a 切れ目、22b 切れ目
22a1 縦方向切れ目、22b1 縦方向切れ目、
22a2 横方向切れ目、22b2 横方向切れ目、
22a3 カール部、22b3 カール部、
23 折返し部
25 貫通孔

30 第3係合部(30A,30B)(実施の形態3)
31a 係止片、31b 係止片
32a 切れ目、32b 切れ目
33 折返し部
35 貫通孔

40 第4係合部(40A,40B)(実施の形態4)
41a 係止片、41b 係止片
42a 切れ目、42b 切れ目
43 折返し部
44 押え用切れ目
45 貫通孔

50 第5係合部(50A,50B)(実施の形態5)
51a 係止片
52a 切れ目
52a1 上部切れ目、52a2 下部切れ目
52a3 側方切れ目、52a4 上端末切れ目、
52a5 下端末切れ目
53a1 上部張り出し部
53a2 下部張り出し部

51b 係止片
52b 切れ目
52b3 側方湾曲切れ目、52b4 上端末切れ目、
52b5 下端末切れ目
53b 側方湾曲部
1 Pouch 1A Pouch top,
1B Pouch body part 2 Flat film, 3 Bottom film 4 Side seal part 4A Side seal part upper part 4B Side seal part body part 5 Upper side seal part
6 Bottom seal part 7 Point seal part 8 Bending part 8a Bending line, 8b Bending assist means, 8c Rupture prevention means 9 Wide part

10 1st engaging part (10A, 10B) (Embodiment 1)
11a Upper locking piece, 11b Main body locking piece 12a Upper cut, 12b Main body cut 13a Upper connecting portion, 13b Main body connecting portion,
14a Cut for upper side connecting portion, 14b Cut for main body side connecting portion 15 Narrow portion 16 Through hole 17 Turned portion W Contents 20 Second engaging portion (20A, 20B) (Embodiment 2)
21a locking piece, 21b locking piece,
22a cut, 22b cut 22a1 longitudinal cut, 22b1 longitudinal cut,
22a2 transverse cut, 22b2 transverse cut,
22a3 curled part, 22b3 curled part,
23 Folding part 25 Through hole

30 3rd engaging part (30A, 30B) (Embodiment 3)
31a Locking piece, 31b Locking piece 32a Cut, 32b Cut 33 Folding part 35 Through hole

40 Fourth engaging portion (40A, 40B) (Embodiment 4)
41a Locking piece, 41b Locking piece 42a Cut, 42b Cut 43 Turning part 44 Pressing cut 45 Through hole

50 Fifth engaging portion (50A, 50B) (Embodiment 5)
51a Locking piece 52a Cut 52a1 Upper cut, 52a2 Lower cut 52a3 Side cut, 52a4 Upper terminal cut,
52a5 Lower terminal cut 53a1 Upper overhang 53a2 Lower overhang

51b Locking piece 52b Cut 52b3 Side curve cut, 52b4 Upper end cut,
52b5 Lower end cut 53b Side curve

Claims (7)

パウチのサイドシール部に、折り曲げ部を介して対称配置される係合部を有するパウチであって、
サイドシール部の折り曲げ部又はその近傍に、局部的に曲げ剛性を低くする折曲補助手段が設けられていることを特徴とするパウチ。
A pouch having an engagement portion symmetrically arranged via a bent portion on a side seal portion of the pouch,
A pouch having a bending assisting means for locally lowering bending rigidity at or near a bent portion of the side seal portion.
前記係合部がサイドシール部の外側縁及び内側縁に間隙を有して設けられる請求項1のパウチ。   The pouch according to claim 1, wherein the engagement portion is provided with a gap between an outer edge and an inner edge of the side seal portion. 前記折曲補助手段が前記サイドシール部の内側縁と間隙を有して設けられる請求項1又は2のパウチ。   The pouch according to claim 1 or 2, wherein the bending assisting means is provided with a gap from the inner edge of the side seal portion. 前記折曲補助手段が前記サイドシール部の外側縁と間隙を有して設けられる請求項3のパウチ。   4. The pouch according to claim 3, wherein the folding assisting means is provided with a gap from the outer edge of the side seal portion. 前記折曲補助手段に切裂防止手段が設けられている請求項1乃至4のいずれかのパウチ。   The pouch according to any one of claims 1 to 4, wherein the folding assisting means is provided with a tear prevention means. 前記折曲補助手段は連続的あるいは断続的な切れ目である請求項1乃至5のいずれかのパウチ。   The pouch according to any one of claims 1 to 5, wherein the bending assisting means is a continuous or intermittent break. 前記係合部が設けられている前記サイドシール部の一部が、該サイドシール部の他の内側縁よりパウチ内方に突出して幅広部となっている請求項1乃至6いずれかのパウチ。   The pouch according to any one of claims 1 to 6, wherein a part of the side seal portion provided with the engagement portion protrudes inward from the other inner edge of the side seal portion to become a wide portion.
JP2011138954A 2011-06-22 2011-06-22 Pouch Active JP5862067B2 (en)

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JP2015101371A (en) * 2013-11-25 2015-06-04 大日本印刷株式会社 Standing pouch
JP2015182772A (en) * 2014-03-20 2015-10-22 凸版印刷株式会社 Packaging bag
JP2015209212A (en) * 2014-04-23 2015-11-24 大日本印刷株式会社 Standing pouch
JP2016011132A (en) * 2014-06-30 2016-01-21 凸版印刷株式会社 Packaging bag
JP2016020231A (en) * 2014-07-15 2016-02-04 凸版印刷株式会社 Packaging bag
JP2016141452A (en) * 2015-02-03 2016-08-08 株式会社フジシール Packaging material for pouch container, and the pouch container

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JP2015101371A (en) * 2013-11-25 2015-06-04 大日本印刷株式会社 Standing pouch
JP2015182772A (en) * 2014-03-20 2015-10-22 凸版印刷株式会社 Packaging bag
JP2015209212A (en) * 2014-04-23 2015-11-24 大日本印刷株式会社 Standing pouch
JP2016011132A (en) * 2014-06-30 2016-01-21 凸版印刷株式会社 Packaging bag
JP2016020231A (en) * 2014-07-15 2016-02-04 凸版印刷株式会社 Packaging bag
JP2016141452A (en) * 2015-02-03 2016-08-08 株式会社フジシール Packaging material for pouch container, and the pouch container

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