JP6090908B2 - Packaging bag - Google Patents

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JP6090908B2
JP6090908B2 JP2012278567A JP2012278567A JP6090908B2 JP 6090908 B2 JP6090908 B2 JP 6090908B2 JP 2012278567 A JP2012278567 A JP 2012278567A JP 2012278567 A JP2012278567 A JP 2012278567A JP 6090908 B2 JP6090908 B2 JP 6090908B2
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packaging bag
sheet
sheet portion
pair
contents
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JP2014122049A (en
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石井　理恵
理恵 石井
真司 渡辺
真司 渡辺
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Kao Corp
Fuji Seal International Inc
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Kao Corp
Fuji Seal International Inc
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Description

本発明は、ディスペンサーを取り付けて使用される包装袋に関する。   The present invention relates to a packaging bag used with a dispenser attached thereto.

一般的に、シャンプー液、リンス液、化粧液、薬剤等の液体の内容物を収容すると共に、収容された該内容物を吸い出すポンプ等のディスペンサーを取り付けて使用される容器が知られている。
例えば、特許文献１には、底部中央に配された凹部に向かって下降傾斜した底面を有するディスペンサー付き容器が記載されている。
また、特許文献２及び３には、プラスチック製やガラス製の硬質の容器に替えて、樹脂製のシート材料を用いて形成された、ディスペンサー付き容器が記載されている。 In general, containers that contain liquid contents such as shampoo liquid, rinse liquid, cosmetic liquid, and medicine and that are used with a dispenser such as a pump that sucks out the contained contents are known.
For example, Patent Document 1 describes a container with a dispenser having a bottom surface that is inclined downward toward a recess disposed in the center of the bottom.
Patent Documents 2 and 3 describe a container with a dispenser formed using a resin sheet material instead of a plastic or glass hard container.

特開２００６−３１５７４４号公報JP 2006-315744 A 特開２０１０−２７４９４２号公報JP 2010-274742 A 特開２０１１−６１３７号公報JP 2011-6137 A

特許文献１に記載の容器によれば、底面中央の凹部を囲む全周領域が下降傾斜しているので、容器に収容された内容物をディスペンサーで吸い出す場合に、内容物を最後まで吸い出すことができ、液残量を少なくすることができる。
しかし、特許文献１に記載の容器は、硬質の容器であるため、コストがかかると共に、使用後に小さくすることが難しく、ゴミの減容化に寄与することが難しい。 According to the container described in Patent Document 1, since the entire peripheral area surrounding the concave portion at the center of the bottom surface is inclined downward, when the contents stored in the container are sucked out by the dispenser, the contents can be sucked out to the end. It is possible to reduce the remaining amount of liquid.
However, since the container described in Patent Document 1 is a hard container, it is costly, difficult to reduce after use, and difficult to contribute to volume reduction of dust.

それに対し、特許文献２に記載の容器は、樹脂製のシート材料を用いて形成されているため、コストを抑えることができると共に、使用後に小さくすることができ、ゴミの減容化に寄与できる。
しかし、特許文献２に記載の容器は、その底面が平坦であるため、容器に収容された内容物をディスペンサーで吸い出す場合に、内容物を最後まで吸い出すことができず、液残量が多くなってしまう。 On the other hand, since the container described in Patent Document 2 is formed using a resin sheet material, the cost can be reduced and the size can be reduced after use, which can contribute to volume reduction of dust. .
However, since the container described in Patent Document 2 has a flat bottom surface, when the contents contained in the container are sucked out with a dispenser, the contents cannot be sucked out to the end, and the remaining amount of liquid increases. End up.

また、特許文献３に記載の容器は、樹脂製のシート材料を用いて形成されているが、容器の自立を補助する補強材が配されているため、やはりコストを抑えることが難しく、ゴミの減容化に寄与することも難しい。
また、特許文献３に記載の容器は、容器の幅方向においては、容器の底の中央に向かって下降傾斜しているが、容器の幅方向に直交する前後方向においては、底面が平坦であるため、容器に収容された内容物をディスペンサーで吸い出す場合に、やはり内容物の液残量が多くなってしまう。 Moreover, although the container of patent document 3 is formed using the resin-made sheet material, since the reinforcing material which assists the independence of a container is distribute | arranged, it is still difficult to hold down cost and it is garbage. It is also difficult to contribute to volume reduction.
Further, the container described in Patent Document 3 is inclined downward toward the center of the bottom of the container in the width direction of the container, but the bottom surface is flat in the front-rear direction orthogonal to the width direction of the container. Therefore, when the content stored in the container is sucked out by the dispenser, the remaining amount of the liquid in the content is also increased.

従って、本発明は、上記課題を解消し得るディスペンサーを取り付けて使用される包装袋を提供することに関する。   Therefore, the present invention relates to providing a packaging bag to be used with a dispenser that can solve the above problems.

本発明は、正面シート部と背面シート部と底面シート部とを含み、該正面シート部の両側の側縁部と該背面シート部の両側の側縁部との間に該底面シート部の両側の側縁部を各々挟みこんでこれらを一体として接合することによって袋状に形成されると共に、内部の収容部に内容物を収容し、収容した該内容物を吸い出すディスペンサーを取り付けて使用される包装袋であって、前記収容部に内容物を収容する前の状態において、前記底面シート部は、該包装袋の幅方向に延びる中央の谷折り線と、該谷折り線の両側に位置して該包装袋の幅方向に延びる一対の山折り線とによって折り返されて、Ｍ字断面形状を備えるように折り畳まれた状態で、該底面シート部における一対の該山折り線それぞれよりも外方の外方面部の外面と、前記正面シート部の下端部の内面及び前記背面シート部の下端部の内面とが該包装袋の幅方向に延びる下端縁シール部にて接合されており、該底面シート部における一対の該山折り線それぞれよりも内方の内方面部の内面どうしが、前記包装袋を正面視して、該内方面部の両側部に配された一対の内面側部シール部にて接合されており、前記一対の内面側部シール部は、下方から上方に向かって該内面側部シール部どうしの間隔が広くなるように形成されている包装袋を提供するものである。   The present invention includes a front sheet part, a back sheet part, and a bottom sheet part, and both sides of the bottom sheet part between a side edge part on both sides of the front sheet part and a side edge part on both sides of the back sheet part. These are formed into a bag shape by sandwiching the side edges of each of them and joining them together, and the dispenser for storing the contents in the internal storage portion and sucking out the stored contents is used. In the packaging bag before the contents are stored in the storage portion, the bottom sheet portion is positioned on the central valley fold line extending in the width direction of the packaging bag and on both sides of the valley fold line. And folded outwardly by a pair of mountain fold lines extending in the width direction of the packaging bag, and folded outward to have an M-shaped cross-sectional shape, more outward than each of the pair of mountain fold lines in the bottom sheet portion The outer surface of the outer surface portion and the front surface The inner surface of the lower end portion of the sheet portion and the inner surface of the lower end portion of the back sheet portion are joined by the lower end edge seal portion extending in the width direction of the packaging bag, and a pair of the mountain fold lines in the bottom sheet portion The inner surfaces of the inner surface portions that are inward from each other are joined to each other by a pair of inner surface side seal portions disposed on both sides of the inner surface portion when the packaging bag is viewed from the front. The inner surface side seal portion provides a packaging bag formed so that the distance between the inner surface side seal portions increases from the bottom to the top.

本発明の包装袋によれば、資材のコストを抑えることができ、使用後に小さくすることができ、ゴミの減容化に寄与できると共に、包装袋に収容された内容物をディスペンサーで吸い出す場合に、内容物の液残量を少なくすることができる。   According to the packaging bag of the present invention, the cost of materials can be suppressed, the size can be reduced after use, the volume of garbage can be reduced, and the contents contained in the packaging bag can be sucked out with a dispenser. , The amount of liquid remaining in the contents can be reduced.

図１は、本発明の実施形態の包装袋にディスペンサーが取り付けられた収納容器を透視した状態で示す斜視図である。FIG. 1 is a perspective view showing a storage container in which a dispenser is attached to a packaging bag according to an embodiment of the present invention in a transparent state. 図２（ａ）は図１に示す収納容器の要部を正面から視た正面図であり、図２（ｂ）は該収納容器の要部を側面から視た側面図であり、図２（ｃ）は該収納容器を底面から視た底面図である。2A is a front view of the main part of the storage container shown in FIG. 1 as viewed from the front, and FIG. 2B is a side view of the main part of the storage container as viewed from the side. c) is a bottom view of the storage container as viewed from the bottom. 図３は、収容部に内容物を収容する前の包装袋の要部の縦断面図である。FIG. 3 is a vertical cross-sectional view of the main part of the packaging bag before the contents are accommodated in the accommodating portion. 図４（ａ）は収容部に内容物を収容する前の包装袋の底面シート部における外方面部を正面から視た正面図であり、図４（ｂ）は該底面シート部における内方面部を正面から視た正面図である。FIG. 4A is a front view of the outer surface portion of the bottom sheet portion of the packaging bag before the contents are stored in the storage portion, as viewed from the front, and FIG. 4B is the inner surface portion of the bottom sheet portion. It is the front view which looked at from the front. 図５は、フィルム材シートを用いて包装袋を形成する場合の説明図である。FIG. 5 is an explanatory diagram when a packaging bag is formed using a film material sheet. 図６は、包装袋の収容部に内容物を収容することにより底部が形成される流れを説明する図であり、（ａ）は包装袋に内容物を収容している状態を表す図であり、（ｂ）はディスペンサーが取り付けられた状態の包装袋の前後方向の断面図であり、（ｃ）はディスペンサーが取り付けられた状態の包装袋の幅方向の断面図である。FIG. 6 is a diagram illustrating a flow in which the bottom is formed by accommodating the contents in the packaging bag accommodating portion, and (a) is a diagram illustrating a state in which the contents are accommodated in the packaging bag. (B) is sectional drawing of the front-back direction of the packaging bag in the state where the dispenser was attached, (c) is sectional drawing of the width direction of the packaging bag in the state where the dispenser was attached.

以下、本発明の包装袋を、その好ましい本実施形態に基づき、図１〜図６を参照しながら説明する。
本実施形態の包装袋１０（以下、単に「包装袋１０」ともいう。）は、図１に示すように、内部の収容部１１に内容物１２を収容し、収容した内容物１２を吸い出すディスペンサー１３を取り付けて使用されるものである。図１には、本実施形態の包装袋１０に、包装袋１０の収容部１１に収容した内容物１２を吸い出すディスペンサー１３が取り付けられた収納容器１００が開示されている。
以下の説明においては、図１に示すように、収納容器１００の高さ方向である上下方向をＹ方向、収納容器１００を包装袋１０を構成する正面シート部２側から正面視した際の上下方向に直交する水平方向である幅方向をＸ方向、上下方向（Ｙ方向）及び幅方向（Ｘ方向）からなる面方向に直交する方向である前後方向をＺ方向として説明する。尚、収納容器１００のＹ方向、Ｘ方向及びＺ方向は、それぞれ、包装袋１０のＹ方向、Ｘ方向及びＺ方向と同じ方向である。また、Ｚ方向の内の包装袋１０を構成する正面シート部２側を前側、背面シート部３側を後側として説明する。 Hereinafter, the packaging bag of this invention is demonstrated, referring FIGS. 1-6 based on this preferable embodiment.
As shown in FIG. 1, the packaging bag 10 of the present embodiment (hereinafter also simply referred to as “packaging bag 10”) stores a content 12 in an internal storage portion 11 and sucks out the stored content 12. 13 is used. FIG. 1 discloses a storage container 100 in which a dispenser 13 for sucking out contents 12 stored in a storage portion 11 of a packaging bag 10 is attached to the packaging bag 10 of the present embodiment.
In the following description, as shown in FIG. 1, the vertical direction that is the height direction of the storage container 100 is the Y direction, and the vertical direction when the storage container 100 is viewed from the front sheet portion 2 side that constitutes the packaging bag 10. In the following description, the width direction, which is a horizontal direction orthogonal to the direction, is defined as the X direction, and the front-rear direction, which is a direction perpendicular to the plane direction composed of the vertical direction (Y direction) and the width direction (X direction), is defined as the Z direction. The Y direction, X direction, and Z direction of the storage container 100 are the same as the Y direction, X direction, and Z direction of the packaging bag 10, respectively. Moreover, the front sheet | seat part 2 side which comprises the packaging bag 10 of the Z direction is demonstrated as a front side, and the back sheet | seat part 3 side is demonstrated as a rear side.

包装袋１０は、図１及び図２（ａ），（ｂ），（ｃ）に示すように、正面シート部２と背面シート部３と底面シート部４とを含み、正面シート部２の両側の側縁部２ｓ，２ｓと背面シート部３の両側の側縁部３ｓ，３ｓとの間に底面シート部４の両側の側縁部４ｓ，４ｓを各々挟みこんでこれらを一体として接合することによって袋状に形成されている。正面シート部２、背面シート部３及び底面シート部４から形成された包装袋１０は、内容物１２を収容する前の状態において、Ｙ方向の長さが１００ｍｍ〜３００ｍｍ程度であり、Ｘ方向の長さが５０ｍｍ〜１５０ｍｍ程度のものである。   The packaging bag 10 includes a front sheet portion 2, a back sheet portion 3, and a bottom sheet portion 4, as shown in FIGS. 1 and 2 (a), 2 (b), and 2 (c), and both sides of the front sheet portion 2. The side edge portions 4 s and 4 s on both sides of the bottom sheet portion 4 are respectively sandwiched between the side edge portions 2 s and 2 s and the side edge portions 3 s and 3 s on both sides of the back sheet portion 3. Is formed into a bag shape. The packaging bag 10 formed from the front sheet part 2, the back sheet part 3 and the bottom sheet part 4 has a length in the Y direction of about 100 mm to 300 mm in a state before the contents 12 are accommodated. The length is about 50 mm to 150 mm.

包装袋１０は、図３に示すように、正面シート部２のＹ方向の下端部２ｄと背面シート部３のＹ方向の下端部３ｄとの間に底面シート部４を配して、図１及び図２（ａ）に示すように、正面シート部２のＹ方向に沿う両側縁部２ｓ，２ｓと背面シート部３のＹ方向に沿う両側縁部３ｓ，３ｓとを、正面シート部２の側縁部２ｓの側縁と背面シート部３の側縁部３ｓの側縁に沿ってＹ方向に延びる一対の側部シール部５，５にて接合すると共に、正面シート部２の両側縁部２ｓ，２ｓと背面シート部３の両側縁部３ｓ，３ｓとの間に底面シート部４の両側縁部４ｓ，４ｓを各々挟みこんでこれらを一対の側部シール部５，５にて接合することによって袋状に形成されている。側部シール部５の幅（Ｘ方向の長さ）は、３ｍｍ〜１０ｍｍ程度のものである。   As shown in FIG. 3, the packaging bag 10 has a bottom sheet portion 4 disposed between a lower end portion 2 d in the Y direction of the front sheet portion 2 and a lower end portion 3 d in the Y direction of the rear sheet portion 3. As shown in FIG. 2 (a), both side edges 2s, 2s along the Y direction of the front sheet portion 2 and both side edges 3s, 3s along the Y direction of the back sheet portion 3 are Both side edges of the front sheet portion 2 are joined together by a pair of side seal portions 5 and 5 extending in the Y direction along the side edge of the side edge portion 2s and the side edge portion 3s of the back sheet portion 3. 2s, 2s and both side edges 3s, 3s of the back sheet part 3 are sandwiched between both side edges 4s, 4s of the bottom sheet part 4, and these are joined by a pair of side seal parts 5, 5. It is formed in a bag shape. The width (length in the X direction) of the side seal portion 5 is about 3 mm to 10 mm.

包装袋１０の底面シート部４は、図３に示す、収容部１１に内容物１２を収容する前の状態において、包装袋１０の幅方向（Ｘ方向）に延びる中央の谷折り線６と、該谷折り線６の両側（Ｚ方向における前側と後側）に位置して包装袋１０の幅方向（Ｘ方向）に延びる一対の山折り線７ａ，７ｂとによって折り返されて、Ｍ字断面形状を備えるように折り畳まれた状態で、正面シート部２のＹ方向の下端部２ｄと背面シート部３のＹ方向の下端部３ｄとの間に配され、正面シート部２のＹ方向に沿う両側縁部２ｓ，２ｓと背面シート部３のＹ方向に沿う両側縁部３ｓ，３ｓとの間に底面シート部４のＺ方向に沿う両側縁部４ｓ，４ｓを挟みこんで一対の側部シール部５にて一体として接合されている。   The bottom sheet portion 4 of the packaging bag 10 has a central valley fold line 6 extending in the width direction (X direction) of the packaging bag 10 in a state before the contents 12 are accommodated in the accommodating portion 11 shown in FIG. An M-shaped cross-sectional shape is folded by a pair of mountain fold lines 7a and 7b located on both sides (front side and rear side in the Z direction) of the valley fold line 6 and extending in the width direction (X direction) of the packaging bag 10. Are arranged between the lower end 2d in the Y direction of the front seat portion 2 and the lower end 3d in the Y direction of the rear seat portion 3 in a state where the front seat portion 2 is folded. A pair of side seals sandwiching both side edges 4s, 4s along the Z direction of the bottom sheet part 4 between the edge parts 2s, 2s and both side edges 3s, 3s along the Y direction of the back sheet part 3 5 are integrally joined.

更に、包装袋１０の底面シート部４は、Ｍ字断面形状に折り畳まれた状態で、図４（ａ）に示すように、底面シート部４における一対の山折り線７ａ，７ｂそれぞれよりも外方の外方面部４ａ，４ｂの外面と、正面シート部２の下端部２ｄの内面及び背面シート部３の下端部３ｄの内面とが包装袋１０の幅方向（Ｘ方向）に延びる下端縁シール部８ａ，８ｂにて接合されている。具体的には、図３に示すように、Ｍ字断面形状に折り畳まれた底面シート部４における、Ｚ方向前側の山折り線７ａよりもＺ方向前側外方の外方面部４ａの外面と、正面シート部２の下端部２ｄの内面とが、図４（ａ）に示すように、Ｘ方向に延びる下端縁シール部８ａにて接合されている。同様に、Ｍ字断面形状に折り畳まれた底面シート部４における、Ｚ方向後側の山折り線７ｂよりもＺ方向後側外方の外方面部４ｂの外面と、背面シート部３の下端部３ｄの内面とが、Ｘ方向に延びる下端縁シール部８ｂにて接合されている。下端縁シール部８ａは、図４（ａ）に示すように、底面シート部４の外方面部４ａの下端と正面シート部２の下端部２ｄの下端の位置に沿ってＸ方向に延在して全幅に亘っている。下端縁シール部８ａは、Ｍ字断面形状に折り畳まれた底面シート部４の外方面部４ａ及び正面シート部２の下端部２ｄのみを接合するものである。
尚、底面シート部４の外方面部４ｂと背面シート部３の下端部３ｄとを接合する下端縁シール部８ｂも、下端縁シール部８ａと同様である。 Furthermore, the bottom sheet portion 4 of the packaging bag 10 is folded in an M-shaped cross-sectional shape and is located outside the pair of mountain fold lines 7a and 7b in the bottom sheet portion 4 as shown in FIG. Lower end edge seals in which the outer surfaces of the outer surface portions 4a and 4b and the inner surface of the lower end portion 2d of the front sheet portion 2 and the inner surface of the lower end portion 3d of the back sheet portion 3 extend in the width direction (X direction) of the packaging bag 10. Joined at the portions 8a and 8b. Specifically, as shown in FIG. 3, in the bottom sheet portion 4 folded into an M-shaped cross-sectional shape, the outer surface of the outer surface portion 4a on the outer side in the Z direction than the mountain fold line 7a on the front side in the Z direction, As shown in FIG. 4A, the inner surface of the lower end 2d of the front seat portion 2 is joined by a lower end edge seal portion 8a extending in the X direction. Similarly, in the bottom sheet portion 4 folded into an M-shaped cross-sectional shape, the outer surface of the outer surface portion 4b on the rear side in the Z direction with respect to the mountain fold line 7b on the rear side in the Z direction, and the lower end portion of the back sheet portion 3 The inner surface of 3d is joined by a lower end edge seal portion 8b extending in the X direction. The lower end edge seal portion 8a extends in the X direction along the positions of the lower end of the outer surface portion 4a of the bottom sheet portion 4 and the lower end portion 2d of the front sheet portion 2 as shown in FIG. Across the entire width. The lower end edge seal portion 8a joins only the outer surface portion 4a of the bottom sheet portion 4 and the lower end portion 2d of the front sheet portion 2 that are folded into an M-shaped cross section.
In addition, the lower end edge seal part 8b which joins the outer surface part 4b of the bottom sheet part 4 and the lower end part 3d of the back sheet part 3 is the same as the lower end edge seal part 8a.

そして、図４（ａ）に示すように、包装袋１０の下端縁シール部８ａは、内容物１２を収容する前の状態において、下方に凹んだ形状に形成されている。具体的には、包装袋１０の下端縁シール部８ａは、Ｘ方向の中央部に向かって下方に凹んで形成されており、該中央部の下端縁シール部８ａの幅が最も狭くなるように形成され、Ｘ方向の両端部においては、正面シート部２の下端部２ｄの下端からＸ方向に延びる山折り線７ａと正面シート部２の側縁部２ｓとの交点に至る範囲に形成されている。Ｘ方向の中心において、Ｍ字断面形状に折り畳まれた底面シート部４の外方面部４ａのＹ方向の長さ（ｈ１）に対する下端縁シール部８ａの幅（Ｙ方向の長さ）（ｈ２）の比（ｈ２／ｈ１）は（図３参照）、１／５以上１／２以下であることが好ましい。Ｘ方向の中心において、下端縁シール部８ａの幅（Ｙ方向の長さ）（ｈ２）は、３ｍｍ〜３０ｍｍ程度のものである。
尚、底面シート部４の外方面部４ｂと背面シート部３の下端部３ｄとを接合する下端縁シール部８ｂも、下端縁シール部８ａと同様である。 And as shown to Fig.4 (a), the lower end edge seal | sticker part 8a of the packaging bag 10 is formed in the shape dented below in the state before accommodating the content 12. As shown in FIG. Specifically, the lower end edge seal portion 8a of the packaging bag 10 is formed to be recessed downward toward the center portion in the X direction so that the width of the lower end edge seal portion 8a at the center portion is the narrowest. At both ends in the X direction, it is formed in a range from the lower end of the lower end 2d of the front seat portion 2 to the intersection of the mountain fold line 7a extending in the X direction and the side edge 2s of the front seat portion 2. Yes. At the center in the X direction, the width of the lower edge seal portion 8a (the length in the Y direction) (h2) with respect to the length (h1) in the Y direction of the outer surface portion 4a of the bottom sheet portion 4 folded into an M-shaped cross-sectional shape The ratio (h2 / h1) is preferably 1/5 or more and 1/2 or less (see FIG. 3). At the center in the X direction, the width (length in the Y direction) (h2) of the lower edge seal portion 8a is about 3 mm to 30 mm.
In addition, the lower end edge seal part 8b which joins the outer surface part 4b of the bottom sheet part 4 and the lower end part 3d of the back sheet part 3 is the same as the lower end edge seal part 8a.

更にまた、図３に示すように、底面シート部４における一対の山折り線７ａ，７ｂそれぞれよりもＺ方向の内方の内方面部４ｃ，４ｄの内面どうしが、図４（ｂ）に示すように、包装袋１０を正面視して、内方面部４ｃ，４ｄの両側部４０ｓ，４０ｓに配された一対の内面側部シール部９，９にて接合されている。内面側部シール部９は、Ｍ字断面形状に折り畳まれた底面シート部４の内方面部４ｃ，４ｄどうしのみを接合するものである。一対の内面側部シール部９，９は、Ｙ方向の下方から上方に向かって内面側部シール部９，９どうしの間隔が広くなるように形成されている。内方面部４ｃのＹ方向の下端と内面側部シール部９とのなす角α（図４（ｂ）参照）は、３０°以上６０°以下であることが好ましい。内面側部シール部９は、包装袋１０においては、内方面部４ｃの下端からＸ方向に延びる山折り線７ａと正面シート部２の側縁部２ｓとの交点の位置に亘って形成されている。内面側部シール部９の幅は、３ｍｍ〜１０ｍｍ程度のものである。   Furthermore, as shown in FIG. 3, the inner surfaces of the inner surface portions 4c and 4d that are inward in the Z direction with respect to the pair of mountain fold lines 7a and 7b in the bottom sheet portion 4 are shown in FIG. In this way, the packaging bag 10 is joined by a pair of inner surface side seal portions 9, 9 disposed on both side portions 40s, 40s of the inner surface portions 4c, 4d when viewed from the front. The inner surface side seal portion 9 joins only the inner surface portions 4c and 4d of the bottom sheet portion 4 folded into an M-shaped cross-sectional shape. The pair of inner surface side seal portions 9 and 9 are formed so that the distance between the inner surface side seal portions 9 and 9 increases from the lower side to the upper side in the Y direction. The angle α (see FIG. 4B) formed by the lower end in the Y direction of the inner surface portion 4c and the inner surface side seal portion 9 is preferably 30 ° or more and 60 ° or less. In the packaging bag 10, the inner surface side seal portion 9 is formed across the position of the intersection of the mountain fold line 7 a extending in the X direction from the lower end of the inner surface portion 4 c and the side edge 2 s of the front sheet portion 2. Yes. The width of the inner surface side seal portion 9 is about 3 mm to 10 mm.

底面シート部４における一対の内方面部４ｃ，４ｄは、包装袋１０においては、図４（ｂ）に示すように、包装袋４を正面視して、一対の内面側部シール部９，９よりも幅方向（Ｘ方向）外方部分が除去されている。従って、内面側部シール部９により接合された内方面部４ｃ，４ｄは、図４（ｂ）に示すように、Ｙ方向の下方の方が短い台形状に形成されている。   In the packaging bag 10, the pair of inner surface portions 4 c, 4 d in the bottom sheet portion 4 is a pair of inner surface side seal portions 9, 9 as seen from the front of the packaging bag 4 as shown in FIG. The outer portion in the width direction (X direction) is removed. Therefore, the inner surface portions 4c and 4d joined by the inner surface side seal portion 9 are formed in a trapezoidal shape in the lower portion in the Y direction as shown in FIG. 4B.

包装袋１０は、図１に示すように、Ｙ方向の上方の上縁中央に、ディスペンサー１３を着脱可能に取り付ける口具１４が設けられている。口具１４は、正面シート部２のＹ方向の上端部の上縁と背面シート部３のＹ方向の上端部の上縁との間に配され、側部シール部５により、正面シート部２の上縁及び背面シート部３の上縁と密着固定されている。口具１４の外周面には、ディスペンサー１３を取り付ける螺条（不図示）が周設されている。尚、口具１４には、ディスペンサー１３を取り付ける前においては、口具１４の前記螺条と螺合する螺溝を有する蓋（不図示）が螺着されている。   As shown in FIG. 1, the packaging bag 10 is provided with a mouthpiece 14 to which the dispenser 13 is detachably attached at the center of the upper edge in the Y direction. The mouthpiece 14 is arranged between the upper edge of the upper end portion in the Y direction of the front seat portion 2 and the upper edge of the upper end portion in the Y direction of the rear seat portion 3, and the front seat portion 2 is formed by the side seal portion 5. The upper edge and the upper edge of the back sheet portion 3 are closely fixed. A thread (not shown) for attaching the dispenser 13 is provided around the outer peripheral surface of the mouthpiece 14. Before the dispenser 13 is attached to the mouthpiece 14, a lid (not shown) having a thread groove that engages with the thread of the mouthpiece 14 is screwed.

包装袋１０を構成する正面シート部２、背面シート部３及び底面シート部４は、例えばポリプロピレン樹脂、ポリエチレン樹脂といったポリオレフィン樹脂等からなる合成樹脂製のフィルム材シート、該合成樹脂製のフィルムとアルミニウム等の金属との積層体からなるフィルム材シート、或いは該合成樹脂製のフィルムにアルミニウム等の金属を蒸着したフィルム材シートを用いて形成されている。包装袋１０を形成した際の正面シート部２、背面シート部３及び底面シート部４それぞれの内面は、前記ポリオレフィン樹脂を主成分とするシーラント層から構成されていることが好ましい。フィルム材シートは、その厚さが７０μｍ〜２００μｍ程度のものが好ましい。   The front sheet part 2, the back sheet part 3 and the bottom sheet part 4 constituting the packaging bag 10 are, for example, a synthetic resin film material sheet made of polyolefin resin such as polypropylene resin or polyethylene resin, the synthetic resin film and aluminum. It is formed using a film material sheet made of a laminate with a metal such as a film, or a film material sheet obtained by vapor-depositing a metal such as aluminum on the synthetic resin film. The inner surfaces of the front sheet portion 2, the back sheet portion 3, and the bottom sheet portion 4 when the packaging bag 10 is formed are preferably composed of a sealant layer containing the polyolefin resin as a main component. The film material sheet preferably has a thickness of about 70 μm to 200 μm.

上述した側部シール部５、下端縁シール部８ａ，８ｂ及び内面側部シール部９は、ヒートシール、超音波シール、高周波シール等のシール加工による融着方法、或いは接着剤を用いて形成することができる。   The side seal part 5, the lower end edge seal parts 8a and 8b, and the inner surface side part seal part 9 described above are formed using a fusing method by seal processing such as heat sealing, ultrasonic sealing, high frequency sealing, or an adhesive. be able to.

本実施形態の包装袋１０は、例えば、正面シート部２、背面シート部３及び底面シート部４が帯状に連続する一枚のフィルム材シートを用いて、図５（ａ）〜（ｆ）の手順で製造することができる。以下、具体的に説明する。
先ず、図５（ａ）に示すように、背面シート部３、底面シート部４及び正面シート部２がＹ方向に連続する一枚の帯状のフィルム材シートを用意する。次に、図５（ｂ）〜（ｃ）に示すように、例えば１００〜２００ｍｍ程度の長さを有する背面シート部３の下端部３ｄのＸ方向に延びる下端を介してＹ方向上方に折り返すことで底面シート部４を連続して延設させると共に、延設させた底面シート部４を、Ｚ方向後側のＸ方向に延びる山折り線７ｂを介してＹ方向下方に折り返してから、Ｚ方向の中心に位置するＸ方向に延びる谷折り線６を介してＹ方向上方に折り返し、さらにＺ方向に前側のＸ方向に延びる山折り線７ａを介してＹ方向下方に折り返してから、正面シート部２の下端部２ｄのＸ方向に延びる下端を介してＹ方向上方に折り返すことで、正面シート部２を連続して延設させている。これによって、包装袋１０は、内容物１２を収容する前の状態において、正面シート部２のＹ方向の下端部２ｄと背面シート部３のＹ方向の下端部３ｄとの間に、Ｍ字断面形状を備えるように折り畳まれた状態の底面シート部４が挟み込まれた状態となる。 The packaging bag 10 of the present embodiment uses, for example, one film material sheet in which the front sheet portion 2, the back sheet portion 3, and the bottom sheet portion 4 are continuous in a band shape, as shown in FIGS. It can be manufactured in a procedure. This will be specifically described below.
First, as shown in FIG. 5A, a single belt-like film material sheet is prepared in which the back sheet portion 3, the bottom sheet portion 4, and the front sheet portion 2 are continuous in the Y direction. Next, as shown in FIGS. 5B to 5C, for example, folding back upward in the Y direction via the lower end extending in the X direction of the lower end portion 3d of the back sheet portion 3 having a length of about 100 to 200 mm. Then, the bottom sheet portion 4 is continuously extended, and the extended bottom sheet portion 4 is folded back downward in the Y direction via a mountain fold line 7b extending in the X direction on the rear side in the Z direction. Folded upward in the Y direction via a valley fold line 6 extending in the X direction located at the center of the sheet, and further folded downward in the Y direction via a mountain fold line 7a extending in the X direction on the front side in the Z direction. The front sheet portion 2 is continuously extended by folding back upward in the Y direction via the lower end extending in the X direction of the lower end portion 2d of 2. Thus, the packaging bag 10 has an M-shaped cross section between the lower end portion 2d in the Y direction of the front sheet portion 2 and the lower end portion 3d in the Y direction of the rear sheet portion 3 in a state before the contents 12 are accommodated. It will be in the state where bottom sheet part 4 of the state folded so as to have a shape was inserted.

なお、本実施形態の包装袋１０の製造に用いられる帯状に連続する一枚のフィルム材シートには、図５（ａ）に示すように、山折り線７ａのＹ方向下方及び山折り線７ｂのＹ方向上方の縁部の所定位置に、半円径状の切り欠き部４００が４ヶ所、設けられている。   In addition, as shown in FIG. 5 (a), a single film material sheet used in the manufacture of the packaging bag 10 of the present embodiment has a fold line 7a below the mountain fold line 7a and a mountain fold line 7b. Four semi-circular cutout portions 400 are provided at predetermined positions on the upper edge in the Y direction.

次に、図５（ｄ）に示すように、Ｍ字断面形状に折り畳まれた底面シート部４におけるＺ方向前側の山折り線７ａよりも外方の外方面部４ａの外面と正面シート部２の下端部２ｄの内面とを重ね合わせた部分を、Ｚ方向の前側外方に折り曲げると共に、底面シート部４におけるＺ方向後側の山折り線７ｂよりも外方の外方面部４ｂの外面と背面シート部３の下端部３ｄの内面とを重ね合わせた部分を、Ｚ方向の後側外方に折り曲げる。このように折り曲げることにより現れる底面シート部４における、山折り線７ａ，７ｂよりもＺ方向の内方の内方面部４ｃ，４ｄの内面どうしを、図５（ｄ）に示すように、内方面部４ｃ，４ｄの両側部４０ｓ，４０ｓに配する一対の内面側部シール部９，９にて接合する。そして、内方面部４ｃ，４ｄに形成された一対の内面側部シール部９，９よりも幅方向（Ｘ方向）外方部分４０ｚ，４０ｚをトリム除去する。   Next, as shown in FIG. 5D, the outer surface of the outer surface portion 4a and the front sheet portion 2 outside the mountain fold line 7a on the front side in the Z direction in the bottom surface sheet portion 4 folded into an M-shaped cross section. A portion of the bottom end portion 2d overlapped with the inner surface of the lower end portion 2d is bent outwardly in the Z direction, and the outer surface of the outer surface portion 4b on the outer side of the Z-fold rear fold line 7b in the bottom sheet portion 4 A portion where the inner surface of the lower end portion 3d of the back sheet portion 3 is overlapped is bent outward in the Z direction. As shown in FIG. 5 (d), the inner surfaces of the inner surface portions 4c, 4d in the Z direction with respect to the mountain fold lines 7a, 7b in the bottom sheet portion 4 appearing by bending as shown in FIG. It joins by a pair of inner surface side part seal parts 9 and 9 distribute | arranged to both sides 40s and 40s of the parts 4c and 4d. Then, the width direction (X direction) outer portions 40z, 40z are trimmed away from the pair of inner surface side seal portions 9, 9 formed on the inner surface portions 4c, 4d.

次に、図５（ｅ）に示すように、Ｚ方向の前側外方に折り曲げた底面シート部４の外方面部４ａと正面シート部２の下端部２ｄとを重ね合わせた部分におけるＺ方向前方端を、Ｘ方向に延在する下端縁シール部８ａにて接合する。それと共に、Ｚ方向の後側外方に折り曲げた底面シート部４の外方面部４ｂと背面シート部３の下端部３ｄとを重ね合わせた部分におけるＺ方向外方端を、Ｘ方向に延在する下端縁シール部８ｂにて接合する。尚、本実施形態の包装袋１０を形成する場合には、Ｚ方向前側の下端縁シール部８ａをＺ方向の前方に凹んだ形状に形成すると共に、Ｚ方向後側の下端縁シール部８ｂをＺ方向の後方に凹んだ形状に形成する。このように、下端縁シール部８ａにて底面シート部４の外方面部４ａと正面シート部２の下端部２ｄとを重ね合わせた部分を接合した後、該重ね合わせた部分を、Ｙ方向の下方に延在するように、折り直す。同様に、下端縁シール部８ｂにて底面シート部４の外方面部４ｂと背面シート部３の下端部３ｄとを重ね合わせた部分を接合した後、該重ね合わせた部分を、Ｙ方向の下方に延在するように、折り直す。   Next, as shown in FIG. 5 (e), the front side in the Z direction in the portion where the outer surface portion 4 a of the bottom sheet portion 4 bent outward in the Z direction and the lower end portion 2 d of the front sheet portion 2 are overlapped. The ends are joined by a lower edge seal portion 8a extending in the X direction. At the same time, the Z-direction outer end of the portion where the outer surface portion 4b of the bottom sheet portion 4 bent outward in the Z direction and the lower end portion 3d of the rear sheet portion 3 are overlapped extends in the X direction. Are joined at the lower edge seal portion 8b. In addition, when forming the packaging bag 10 of this embodiment, while forming the lower end edge seal part 8a of the Z direction front side in the shape dented ahead of the Z direction, the lower end edge seal part 8b of the Z direction rear side is formed. It is formed in a shape that is recessed backward in the Z direction. In this way, after joining the overlapped portions of the outer surface portion 4a of the bottom sheet portion 4 and the lower end portion 2d of the front sheet portion 2 at the lower end edge seal portion 8a, the overlapped portion is moved in the Y direction. Fold it down so that it extends downward. Similarly, after joining the overlapped portions of the outer surface portion 4b of the bottom sheet portion 4 and the lower end portion 3d of the back sheet portion 3 at the lower edge seal portion 8b, the overlapped portion is moved downward in the Y direction. Fold it back to extend.

次に、図５（ｆ）に示すように、正面シート部２の側縁部２ｓの側縁と背面シート部３の側縁部３ｓの側縁に沿ってＹ方向に延びる一対の側部シール部５にて接合すると共に、正面シート部２の下端部２ｄの両側縁部２ｓ，２ｓと背面シート部３の下端部３ｄの両側縁部３ｓ，３ｓとの間に底面シート部４の両側縁部４ｓ，４ｓを各々挟みこんでこれらを一対の側部シール部５にて接合する。   Next, as shown in FIG. 5 (f), a pair of side seals extending in the Y direction along the side edge of the side edge portion 2 s of the front seat portion 2 and the side edge of the side edge portion 3 s of the back seat portion 3. While joining at the part 5, both side edges of the bottom sheet part 4 between the both side edges 2s, 2s of the lower end part 2d of the front sheet part 2 and both side edges 3s, 3s of the lower end part 3d of the back sheet part 3 The parts 4 s and 4 s are sandwiched, and these are joined by a pair of side seal parts 5.

なお、前記半円径状の切り欠き部４００では、正面シート部２の下端部２ｄの両側縁部２ｓ，２ｓと背面シート部３の下端部３ｄの両側縁部３ｓ，３ｓが直接接合される。本実施形態の包装袋１０の製造の一例のように、切り欠き部４００を設けると、正面シート部２の両側縁部２ｓ，２ｓと背面シート部３の両側縁部３ｓ，３ｓとが直接接合されるようになるので、図２（ｃ）に示すように、下端縁シール部８ａ及び下端縁シール部８ｂが連続した円環状の脚部となり、包装袋１０の自立性を向上させることができる。   In the semicircular cutout 400, both side edges 2s, 2s of the lower end 2d of the front sheet part 2 and both side edges 3s, 3s of the lower end 3d of the back sheet part 3 are directly joined. . When the cutout portion 400 is provided as in the example of the manufacturing of the packaging bag 10 of the present embodiment, the side edge portions 2s, 2s of the front sheet portion 2 and the side edge portions 3s, 3s of the back sheet portion 3 are directly joined. 2 (c), the lower end edge seal portion 8a and the lower end edge seal portion 8b become a continuous annular leg portion, and the self-supporting property of the packaging bag 10 can be improved. .

一対の側部シール部５にて接合する際、正面シート部２のＹ方向の上端部の上縁と背面シート部３のＹ方向の上端部の上縁との間に、口具１４を配して、口具１４を、側部シール部５によって、正面シート部２の上縁及び背面シート部３の上縁に密着固定することにより、内部に収容部１１を有する袋状の包装袋１０となる。   When the pair of side seal portions 5 are joined, the mouthpiece 14 is arranged between the upper edge of the upper end portion in the Y direction of the front sheet portion 2 and the upper edge of the upper end portion in the Y direction of the rear sheet portion 3. Then, the mouthpiece 14 is tightly fixed to the upper edge of the front sheet portion 2 and the upper edge of the rear sheet portion 3 by the side seal portion 5, so that the bag-like packaging bag 10 having the accommodating portion 11 therein. It becomes.

以上の工程を経ることによって、本実施形態の包装袋１０を効率的に製造することができる。尚、上述した本実施形態の包装袋１０は、帯状に連続する一枚のフィルム材シートを用いて製造したが、例えば、正面シート部２のフィルム材シート、背面シート部３のフィルム材シート及び底面シート部４のフィルム材シートからなる３枚の矩形状のフィルム材シートを用いて製造することもできる。また、Ｙ方向に長い矩形状のフィルム材シートをＹ方向に延びる二等分線に沿って折り返して正面シート部２及び背面シート部３を形成し、これとは別部材の底面シート部４のフィルム材シートを用いて製造することもできる。   By passing through the above process, the packaging bag 10 of this embodiment can be manufactured efficiently. In addition, although the packaging bag 10 of this embodiment mentioned above was manufactured using the film material sheet of 1 sheet continuous in a strip | belt shape, for example, the film material sheet of the front sheet part 2, the film material sheet of the back sheet part 3, and It can also be manufactured using three rectangular film material sheets made of the film material sheet of the bottom sheet portion 4. In addition, a rectangular film material sheet that is long in the Y direction is folded along a bisector extending in the Y direction to form the front sheet portion 2 and the back sheet portion 3. It can also be produced using a film material sheet.

上述したように、包装袋１０は、図１に示すように、内部の収容部１１に内容物１２を収容し、収容した内容物１２を吸い出すディスペンサー１３を取り付けて使用されるものである。
収容部１１に収容される内容物１２としては、シャンプー液、リンス液、コンディショナー液、化粧液、薬剤、ボディソープ液等の液体が挙げられる。 As described above, as shown in FIG. 1, the packaging bag 10 is used with a dispenser 13 that accommodates the contents 12 in the inner accommodating portion 11 and sucks out the accommodated contents 12.
Examples of the contents 12 stored in the storage unit 11 include liquids such as shampoo liquid, rinse liquid, conditioner liquid, cosmetic liquid, medicine, and body soap liquid.

取り付けられるディスペンサー１３としては、包装袋１０のＹ方向の底から収容部１１に収容された内容物１２を吸い上げるものであれば、特に限定されず、図１に示すような、包装袋１０の底まで延びるパイプ１３ａを有するポンプ式のディスペンサーの他、包装袋１０の底まで延びるパイプを有するトリガー式のディスペンサー、包装袋１０をスクイズすることにより底まで延びるパイプを介して包装袋１０の底から内容物１２を押し出すディスペンサー等が挙げられる。   The dispenser 13 to be attached is not particularly limited as long as it sucks up the contents 12 accommodated in the accommodating portion 11 from the bottom of the packaging bag 10 in the Y direction, and the bottom of the packaging bag 10 as shown in FIG. In addition to a pump-type dispenser having a pipe 13 a extending to the bottom, a trigger-type dispenser having a pipe extending to the bottom of the packaging bag 10, and a content extending from the bottom of the packaging bag 10 through a pipe extending to the bottom by squeezing the packaging bag 10 For example, a dispenser for extruding the object 12 may be used.

本実施形態の包装袋１０を用いた収納容器１００は、包装袋１０の収容部１１に内容物１２を収容し、包装袋１０の口具１４にディスペンサー１３を取り付けることによって構成される。包装袋１０の底面シート部４は、図１に示すように、収容部１１に内容物１２を収容しディスペンサー１３を取り付けた状態において、一対の下端縁シール部８ａ，８ｂどうしの間の領域及び一対の内面側部シール部９，９どうしの間の領域それぞれが広がって、ディスペンサー１３の下端１３ｄを囲む下方に凸状の底部４０が形成されるようになっている。
以下、説明すると、収容部１１に内容物１２を収容する前の平坦に折り畳まれた包装袋１０に、口具１４から内容物１２を注入する。具体的には、折り畳まれた包装袋１０の口具１４をＹ方向上方に向けて、口具１４から内容物１２を注入する。これに伴って、注入される内容物１２で、正面シート部２と背面シート部３との間隔が、Ｙ方向上方側から下方側に向かって徐々に広げられて行く。 The storage container 100 using the packaging bag 10 of the present embodiment is configured by storing the contents 12 in the storage portion 11 of the packaging bag 10 and attaching the dispenser 13 to the mouthpiece 14 of the packaging bag 10. As shown in FIG. 1, the bottom sheet portion 4 of the packaging bag 10 includes a region between a pair of lower edge seal portions 8 a and 8 b in a state where the content 12 is accommodated in the accommodating portion 11 and the dispenser 13 is attached. Each of the regions between the pair of inner surface side seal portions 9, 9 is widened so that a convex bottom portion 40 is formed below the lower end 13 d of the dispenser 13.
In the following description, the contents 12 are injected from the mouthpiece 14 into the packaging bag 10 that is folded flat before the contents 12 are accommodated in the accommodating portion 11. Specifically, the contents 12 are injected from the mouthpiece 14 with the mouthpiece 14 of the folded packaging bag 10 facing upward in the Y direction. Along with this, the interval between the front sheet portion 2 and the rear sheet portion 3 is gradually widened from the upper side in the Y direction toward the lower side in the injected contents 12.

包装袋１０の収容部１１に注入される内容物１２が、図６（ａ）に示すように、包装袋１０のＹ方向下方に行き渡るにしたがって、包装袋１０の底面シート部４は、Ｚ方向においては、谷折り線６を中心にして、一対の山折り線７ａ，７ｂの間隔が徐々に押し広げられ、Ｚ方向の前側の下端縁シール部８ａのＹ方向の上端を支点に、底面シート部４の外方面部４ａの部分が引っ繰り返り、且つＺ方向の後側の下端縁シール部８ｂのＹ方向の上端を支点に、底面シート部４の外方面部４ｂの部分が引っ繰り返る。そして、図６（ｂ）に示すように、引っ繰り返った外方面部４ａの部分と、底面シート部４の内方面部４ｃ，４ｄと、引っ繰り返った外方面部４ｂの部分とが、滑らかに連続するように変形して、一対の下端縁シール部８ａ，８ｂどうしの間の領域に、Ｙ方向下方に凸状の底部４０が形成される。   As shown in FIG. 6A, the bottom sheet portion 4 of the packaging bag 10 is placed in the Z direction as the contents 12 injected into the housing portion 11 of the packaging bag 10 spread downward in the Y direction of the packaging bag 10. , The gap between the pair of mountain fold lines 7a, 7b is gradually expanded with the valley fold line 6 as the center, and the bottom sheet is formed with the upper end in the Y direction of the lower end edge seal portion 8a on the front side in the Z direction as a fulcrum. The portion of the outer surface portion 4a of the bottom sheet portion 4 repeats with the upper end in the Y direction of the lower end edge seal portion 8b on the rear side in the Z direction as a fulcrum. . And as shown in FIG.6 (b), the part of the outer surface part 4a repeated, the inner surface parts 4c and 4d of the bottom face sheet part 4, and the part of the outer surface part 4b repeated, In a region between the pair of lower end edge seal portions 8a and 8b, a bottom 40 that is convex downward in the Y direction is formed so as to be smoothly continuous.

また、Ｘ方向においては、図６（ｃ）に示すように、内容物１２が包装袋１０のＹ方向下方に行き渡るにしたがって、包装袋１０の底面シート部４の内方面部４ｃ，４ｄどうしの間隔が徐々に押し広げられ、Ｙ方向の下方から上方に向かって間隔が広くなるように形成された一対の内面側部シール部９，９どうしの間の領域に、下方に凸状の底部４０が形成される。   Further, in the X direction, as shown in FIG. 6C, as the content 12 spreads downward in the Y direction of the packaging bag 10, the inner surface portions 4 c and 4 d of the bottom sheet portion 4 of the packaging bag 10 The bottom portion 40 convex downward is formed in a region between the pair of inner surface side seal portions 9, 9 formed so that the interval is gradually widened and the interval is increased from the lower side to the upper side in the Y direction. Is formed.

以上のように形成された下方に凸状の底部４０には、図６（ｃ）に示すように、包装袋１０のＸ方向の両側部から中央部に向かって下り勾配で延設する傾斜スロープが形成され、且つ、図６（ｂ）に示すように、包装袋１０のＺ方向の前後から中央部に向かって下り勾配で延設する傾斜スロープが形成されている。このように、底部４０は、その底４０ｄに向かって該底４０ｄを囲む全周域が下り勾配となっている。
従って、包装袋１０の収容部１１に内容物１２を収容した後、包装袋１０の口具１４にディスペンサー１３を取り付けると、ディスペンサー１３の下端１３ｄが、下方に凸状の底部４０によって囲まれるようになる。 As shown in FIG. 6 (c), the downwardly convex bottom 40 formed as described above has an inclined slope extending downward from both sides of the packaging bag 10 in the X direction toward the center. Further, as shown in FIG. 6 (b), an inclined slope extending downward from the front and rear in the Z direction toward the central portion of the packaging bag 10 is formed. As described above, the bottom portion 40 has a downward slope in the entire circumference surrounding the bottom 40d toward the bottom 40d.
Therefore, when the dispenser 13 is attached to the mouthpiece 14 of the packaging bag 10 after the contents 12 are accommodated in the accommodating portion 11 of the packaging bag 10, the lower end 13 d of the dispenser 13 is surrounded by the convex bottom 40. become.

また、内容物１２を収容した包装袋１０においては、一対の下端縁シール部８ａ，８ｂは、包装袋１０の自立性を支持する脚部となる。尚、本実施形態の包装袋１０においては、一対の下端縁シール部８ａ，８ｂのＸ方向の両端部どうしは、一対の側部シール部５にて接合されているので、図２（ｃ）に示すように、下端縁シール部８ａ及び下端縁シール部８ｂが連続した円環状の脚部となる。   Further, in the packaging bag 10 containing the contents 12, the pair of lower edge seal portions 8 a and 8 b serve as legs that support the self-supporting property of the packaging bag 10. In addition, in the packaging bag 10 of this embodiment, since the both ends of the X direction of a pair of lower end edge seal part 8a, 8b are joined by a pair of side part seal part 5, FIG.2 (c). As shown in FIG. 5, the lower end edge seal portion 8a and the lower end edge seal portion 8b are formed into a continuous annular leg portion.

包装袋１０は、収容部１１に内容物１２を収容しディスペンサー１３を取り付けた状態において、図２（ａ），（ｂ）に示すように、底部４０の底４０ｄの位置と、一対の下端縁シール部８ａ，８ｂそれぞれの下端の位置、即ち、脚部の下端の位置とが一致するように形成されている。   As shown in FIGS. 2 (a) and 2 (b), the packaging bag 10 has a position of the bottom 40d of the bottom 40 and a pair of lower end edges in a state where the contents 12 are stored in the storage 11 and the dispenser 13 is attached. The positions of the lower ends of the seal portions 8a and 8b, that is, the positions of the lower ends of the leg portions are formed to coincide with each other.

また、包装袋１０は、上述したように底面シート部４の内方面部４ｃ，４ｄにおける、一対の内面側部シール部９，９よりもＸ方向外方部分が除去されているので、ディスペンサー１３を取り付けた状態において、図２（ｂ）に示すように、包装袋１０を底面視して、底部４０が、全周に亘って、一対の下端縁シール部８ａ，８ｂそれぞれと、即ち、脚部と隔てられている。言い換えれば、円環状の脚部と、下方に凸状の底部４０との間には、空間部が円環状に形成されている。   Moreover, since the packaging bag 10 has the X direction outer part removed from the pair of inner surface side seal parts 9 and 9 in the inner surface parts 4c and 4d of the bottom sheet part 4 as described above, the dispenser 13 2B, when the packaging bag 10 is viewed from the bottom, the bottom 40 has a pair of lower end edge seal portions 8a and 8b, ie, legs, over the entire circumference. It is separated from the part. In other words, the space portion is formed in an annular shape between the annular leg portion and the bottom portion 40 convex downward.

上述した本発明の実施形態の包装袋１０を使用した際の作用効果について説明する。
包装袋１０は、図４（ａ）に示すように、Ｍ字断面形状に折り畳まれた状態の底面シート部４における、外方面部４ａ，４ｂの外面と、正面シート部２の下端部２ｄの内面及び背面シート部３の下端部３ｄの内面とが、Ｘ方向に延びる下端縁シール部８ａ，８ｂにて接合されており、更に、図４（ｂ）に示すように、Ｍ字断面形状に折り畳まれた状態の底面シート部４における、内方面部４ｃ，４ｄの内面どうしが、Ｙ方向の下方から上方に向かって間隔が広くなるように形成された一対の内面側部シール部９，９にて接合されている。その為、包装袋１０の収容部１１に内容物１２を収容すると、下方に凸状の底部４０が形成されるようになっている。このように形成された包装袋１０の底部４０には、収容部１１に内容物１２を収容すると、図６（ｃ）に示すように、Ｙ方向の下方に凸状の底部４０が形成される。この底部４０には、包装袋１０のＸ方向の両側部から中央部に向かって下り勾配で延設する傾斜スロープが形成され、且つ、図６（ｂ）に示すように、包装袋１０のＺ方向の前後から中央部に向かって下り勾配で延設する傾斜スロープが形成され、底４０ｄに向かって該底４０ｄを囲む全周域が下り勾配となっている。従って、包装袋１０の口具１４にディスペンサー１３を取り付けて、内容物１２をディスペンサー１３で吸い出す場合に、内容物１２を最後まで吸い出すことができ、内容物１２の液残量を少なくすることができる。また、包装袋１０は、フィルム材シートから形成されているので、資材のコストを抑えることができ、使用後に小さくすることができ、ゴミの減容化に寄与できる。 The effect at the time of using the packaging bag 10 of embodiment of this invention mentioned above is demonstrated.
As shown in FIG. 4A, the packaging bag 10 includes an outer surface of the outer surface portions 4a and 4b and a lower end portion 2d of the front sheet portion 2 in the bottom sheet portion 4 that is folded into an M-shaped cross section. The inner surface and the inner surface of the lower end portion 3d of the back sheet portion 3 are joined by lower end edge seal portions 8a and 8b extending in the X direction. Further, as shown in FIG. A pair of inner surface side seal portions 9, 9 formed such that the inner surfaces of the inner surface portions 4c, 4d of the bottom sheet portion 4 in the folded state are widened from the lower side to the upper side in the Y direction. It is joined with. Therefore, when the contents 12 are accommodated in the accommodating portion 11 of the packaging bag 10, a convex bottom portion 40 is formed downward. When the contents 12 are accommodated in the accommodating part 11 in the bottom part 40 of the packaging bag 10 formed in this way, as shown in FIG. 6C, a convex bottom part 40 is formed downward in the Y direction. . The bottom portion 40 is formed with an inclined slope extending downward from both sides in the X direction of the packaging bag 10 toward the center portion, and as shown in FIG. An inclined slope extending downward from the front and rear of the direction toward the central portion is formed, and the entire peripheral area surrounding the bottom 40d is downwardly inclined toward the bottom 40d. Therefore, when the dispenser 13 is attached to the mouthpiece 14 of the packaging bag 10 and the content 12 is sucked out by the dispenser 13, the content 12 can be sucked out to the end, and the remaining amount of liquid in the content 12 can be reduced. it can. Moreover, since the packaging bag 10 is formed from the film material sheet, the cost of materials can be suppressed, it can be made small after use, and it can contribute to volume reduction of garbage.

また、包装袋１０の下端縁シール部８ａ，８ｂは、図４（ａ）に示すように、内容物１２を収容する前の状態において、下方に凹んだ形状に形成されている。その為、包装袋１０の収容部１１に内容物１２を収容すると、図６（ｃ）に示すように、包装袋１０のＸ方向の両側部から中央部に向かって下り勾配で延設する底部４０の傾斜スロープが更に形成され易く、且つ、図６（ｂ）に示すように、包装袋１０のＺ方向の前後から中央部に向かって下り勾配で延設する底部４０の傾斜スロープが更に形成され易くなっており、底４０ｄに向かって該底４０ｄを囲む全周域が滑らかに繋がった下り勾配となっている。従って、内容物１２をディスペンサー１３で吸い出す場合に、内容物１２の液残量を更に少なくすることができる。   Moreover, the lower end edge seal parts 8a and 8b of the packaging bag 10 are formed in the shape dented below in the state before accommodating the content 12, as shown to Fig.4 (a). Therefore, when the contents 12 are accommodated in the accommodating portion 11 of the packaging bag 10, as shown in FIG. 6C, the bottom portion extending downwardly from the both sides in the X direction toward the central portion of the packaging bag 10. 40 inclined slopes are more easily formed, and as shown in FIG. 6B, the inclined slopes of the bottom portion 40 extending downward from the front and rear in the Z direction toward the central portion of the packaging bag 10 are further formed. It is easy to be done, and it has a downward slope in which the entire circumference surrounding the bottom 40d is smoothly connected toward the bottom 40d. Therefore, when the content 12 is sucked out by the dispenser 13, the remaining amount of the liquid in the content 12 can be further reduced.

また、包装袋１０に内容物１２を収容しディスペンサー１３を取り付けた収納容器１００は、図１，図２（ｃ）に示すように、ディスペンサー１３の下端１３ｄを囲む底部４０が形成されているので、ディスペンサー１３の例えばポンピング時に、ディスペンサー１３の下端１３ｄが動き難く、内容物１２の液残量を少なくすることができる。   Moreover, since the storage container 100 which accommodated the content 12 in the packaging bag 10 and attached the dispenser 13 has the bottom part 40 surrounding the lower end 13d of the dispenser 13, as shown in FIG.1, FIG.2 (c), it is formed. When the dispenser 13 is pumped, for example, the lower end 13d of the dispenser 13 is difficult to move, and the remaining amount of liquid in the contents 12 can be reduced.

特に、包装袋１０に内容物１２を収容しディスペンサー１３を取り付けた収納容器１００は、図２（ａ），（ｂ）に示すように、底部４０の底４０ｄの位置と、一対の下端縁シール部８ａ，８ｂそれぞれの下端の位置、即ち、脚部の下端の位置とが一致している。その為、フィルム材シートから形成された包装袋１０であるにも拘わらず、ディスペンサー１３に例えばポンピングによる荷重を掛けても、ディスペンサー１３がぐらつき難くなっており、収納容器１００の安定感が向上する。   In particular, the storage container 100 in which the contents 12 are stored in the packaging bag 10 and the dispenser 13 is attached is, as shown in FIGS. 2A and 2B, the position of the bottom 40d of the bottom 40 and a pair of lower edge seals. The positions of the lower ends of the portions 8a and 8b, that is, the positions of the lower ends of the leg portions are the same. Therefore, even if the packaging bag 10 is formed from a film material sheet, even if a load is applied to the dispenser 13 by, for example, pumping, the dispenser 13 is less likely to wobble, and the stability of the storage container 100 is improved. .

また、内容物１２を収容する前の状態において、包装袋１０の底面シート部４における一対の内方面部４ｃ，４ｄは、図４（ｂ）に示すように、一対の内面側部シール部９，９よりも幅方向（Ｘ方向）外方部分が除去されている。その為、包装袋１０の収容部１１に内容物１２を収容すると、図２（ｂ）に示すように、包装袋１０を底面視して、底部４０が、全周に亘って、一対の下端縁シール部８ａ，８ｂそれぞれと、即ち、脚部と、完全に隔てられている。従って、内容物１２を収容しディスペンサー１３を取り付けた収納容器１００は、ディスペンサー１３の下端１３ｄの全周が底部４０により囲まれる形状となり、ディスペンサー１３のポンピング時にディスペンサー１３の下端１３ｄが更に動き難く、内容物１２の液残量を更に少なくすることができる。   Moreover, in the state before accommodating the content 12, as shown in FIG.4 (b), a pair of inner surface part 4c, 4d in the bottom face sheet | seat part 4 of the packaging bag 10 is a pair of inner surface side part seal part 9. , 9 are removed from the outer portion in the width direction (X direction). Therefore, when the contents 12 are accommodated in the accommodating part 11 of the packaging bag 10, as shown in FIG. 2B, the packaging bag 10 is viewed from the bottom, and the bottom 40 has a pair of lower ends over the entire circumference. The edge seal portions 8a and 8b are completely separated from each other, that is, the leg portions. Therefore, the storage container 100 in which the content 12 is stored and the dispenser 13 is attached has a shape in which the entire circumference of the lower end 13d of the dispenser 13 is surrounded by the bottom 40, and the lower end 13d of the dispenser 13 is more difficult to move when the dispenser 13 is pumped. The remaining amount of liquid in the content 12 can be further reduced.

なお、包装袋の底に接するパイプを有するポンプ式のディスペンサー等の場合には、内容物をディスペンサーで吸い上げやすくするために、内容物を流入させるための貫通孔や切欠き貫通溝等（不図示）をパイプ最下端に設けるようにする。   In the case of a pump-type dispenser having a pipe in contact with the bottom of the packaging bag, in order to make it easy to suck up the content with the dispenser, a through-hole or a notch through-groove for inflowing the content (not shown) ) At the bottom end of the pipe.

本発明の包装袋は、上述の実施形態の包装袋１０に何ら制限されるものではなく、適宜変更可能である。
例えば、上述の実施形態の包装袋１０においては、内容物１２を収容する前の状態で、下端縁シール部８ａ，８ｂが、図４（ａ）に示すように、下方に凹んだ形状に形成されているが、Ｘ方向に帯状に形成されていてもよい。 The packaging bag of this invention is not restrict | limited at all to the packaging bag 10 of the above-mentioned embodiment, It can change suitably.
For example, in the packaging bag 10 of the above-described embodiment, the lower end edge seal portions 8a and 8b are formed in a shape recessed downward as shown in FIG. 4A before the contents 12 are accommodated. However, it may be formed in a strip shape in the X direction.

また、上述の実施形態の包装袋１０においては、内容物１２を収容する前の状態で、底面シート部４における一対の内方面部４ｃ，４ｄは、図４（ｂ）に示すように、一対の内面側部シール部９，９よりも幅方向（Ｘ方向）外方部分が除去されているが、除去されていなくてもよい。   Further, in the packaging bag 10 of the above-described embodiment, the pair of inward surface portions 4c and 4d in the bottom sheet portion 4 is in a state before the contents 12 are accommodated, as shown in FIG. Although the outer side part (X direction) outer side part is removed rather than the inner surface side part seal parts 9 and 9, it does not need to be removed.

また、上述の実施形態の包装袋１０においては、収容部１１に内容物１２を収容しディスペンサー１３を取り付けた状態において、図２（ａ），（ｂ）に示すように、底部４０の底４０ｄの位置と、脚部の下端の位置とが一致するように設計されていたが、底部４０の底４０ｄの位置が、脚部の下端の位置よりも上方であってもよい。   Moreover, in the packaging bag 10 of the above-mentioned embodiment, in the state which accommodated the content 12 in the accommodating part 11, and attached the dispenser 13, as shown to Fig.2 (a), (b), bottom 40d of the bottom part 40d. However, the position of the bottom 40d of the bottom portion 40 may be higher than the position of the lower end of the leg portion.

１０ 包装袋
２ 正面シート部
２ｓ 側縁部
２ｄ 下端部
３ 背面シート部
３ｓ 側縁部
３ｄ 下端部
４ 底面シート部
４ａ，４ｂ 外方面部
４ｃ，４ｄ 内方面部
４０ｓ 内方面部の側部
４０ｚ 内方面部に形成された内面側部シール部よりも外方部分
４ｓ 側縁部
４０ 底部
４０ｄ 底
４００ 切り欠き部
５ 側部シール部
６ 谷折り線
７ａ，７ｂ 山折り線
８ａ，８ｂ 下端縁シール部
９ 内面側部シール部
１１ 収容部
１２ 内容物
１３ディスペンサー
１３ａ パイプ
１３ｄ 下端
１４ 口具 DESCRIPTION OF SYMBOLS 10 Packaging bag 2 Front sheet part 2s Side edge part 2d Lower end part 3 Back sheet part 3s Side edge part 3d Lower end part 4 Bottom sheet part 4a, 4b Outer surface part 4c, 4d Inner surface part 40s Inner side part 40z Inside 4s side edge part 40 bottom part 40d bottom 400 notch part 5 side part seal part 6 valley fold line 7a, 7b mountain fold line 8a, 8b lower end edge seal part 9 inner surface side seal part 11 accommodating part 12 contents 13 dispenser 13a pipe 13d lower end 14 mouthpiece

Claims (8)

正面シート部と背面シート部と底面シート部とを含み、該正面シート部の両側の側縁部と該背面シート部の両側の側縁部との間に該底面シート部の両側の側縁部を各々挟みこんでこれらを一体として接合することによって袋状に形成されると共に、内部の収容部に内容物を収容し、収容した該内容物を吸い出すディスペンサーを取り付けて使用される包装袋の製造方法であって、Including a front sheet portion, a back sheet portion, and a bottom sheet portion, and side edges on both sides of the bottom sheet portion between side edges on both sides of the front sheet portion and side edges on both sides of the back sheet portion Is formed into a bag shape by sandwiching each of them together and manufacturing the packaging bag used by attaching a dispenser for storing the contents in the internal storage portion and sucking out the stored contents A method,
前記正面シート部、前記背面シート部及び底面シート部が帯状に連続する一枚のフィルム材シートを用い、Using one film material sheet in which the front sheet part, the back sheet part and the bottom sheet part are continuous in a strip shape,
前記背面シート部の下端を介して上下方向の上方に折り返すことで前記底面シート部を連続して延設させると共に、延設させた該底面シート部を、前後方向の後側の幅方向に延びる山折り線を介して上下方向の下方に折り返してから、前後方向の中心に位置する幅方向に延びる谷折り線を介して上下方向の上方に折り返し、さらに前後方向の前側の幅方向に延びる山折り線を介して上下方向の下方に折り返してから、前記正面シート部の下端を介して上下方向の上方に折り返すことで、該正面シート部を連続して延設させて、該正面シート部の下端部と該背面シート部の下端部との間に、該底面シート部がＭ字断面形状に折り畳まれた状態を形成する工程と、The bottom sheet portion is continuously extended by folding upward in the vertical direction via the lower end of the back sheet portion, and the extended bottom sheet portion extends in the width direction on the rear side in the front-rear direction. A mountain that folds down in the up-down direction via a mountain fold line, then folds up in the up-down direction via a valley fold line that extends in the width direction located at the center in the front-rear direction, and further extends in the width direction on the front side in the front-rear direction Folding down in the vertical direction via a fold line, and then folding back up in the vertical direction through the lower end of the front sheet portion, the front sheet portion is continuously extended, Forming a state in which the bottom sheet portion is folded into an M-shaped cross section between a lower end portion and a lower end portion of the back sheet portion;
Ｍ字断面形状に折り畳まれた前記底面シート部における前記前側の山折り線よりも外方の外方面部の外面と前記正面シート部の下端部の内面とを重ね合わせた部分を、前後方向の前側外方に折り曲げると共に、該底面シート部における前記後側の山折り線よりも外方の外方面部の外面と前記背面シート部の下端部の内面とを重ね合わせた部分を、前後方向の後側外方に折り曲げて、折り曲げることにより現れる該底面シート部における、該前側の山折り線及び該後側の山折り線よりも前後方向の内方の内方面部の内面どうしを、該内方面部の上下方向に沿う両側部にて接合して一対の内面側部シール部を形成する工程と、A portion in which the outer surface of the outer surface portion outside the front mountain fold line in the bottom sheet portion folded into an M-shaped cross-sectional shape and the inner surface of the lower end portion of the front seat portion are overlapped in the front-rear direction. Bending the front side outward, a portion in which the outer surface of the outer surface portion of the bottom surface sheet portion and the inner surface of the lower end portion of the rear sheet portion are overlapped with each other in the front-rear direction. The inner surface of the bottom side sheet portion that appears by folding outwardly from the rear side and the inner surface of the inner side surface portion in the front-rear direction from the front side mountain fold line and the rear side mountain fold line, Bonding at both side portions along the vertical direction of the direction portion to form a pair of inner surface side seal portions;
次いで、前記前後方向の前側外方に折り曲げた底面シート部の外方面部と正面シート部の下端部とを重ね合わせた部分における前後方向の外方端にて接合して幅方向に延在する下端縁シール部を形成すると共に、前記前後方向の後側外方に折り曲げた底面シート部の外方面部と背面シート部の下端部とを重ね合わせた部分における前後方向の外方端にて接合して幅方向に延在する下端縁シール部を形成する工程とを備える包装袋の製造方法。Next, the outer surface portion of the bottom sheet portion bent to the front outer side in the front-rear direction and the lower end portion of the front sheet portion are joined at the outer end in the front-rear direction and extend in the width direction. A bottom edge seal portion is formed, and joined at the outer end in the front-rear direction at the portion where the outer surface portion of the bottom sheet portion folded to the rear outer side in the front-rear direction and the lower end portion of the rear sheet portion are overlapped And a step of forming a lower end edge seal portion extending in the width direction. 請求項１に記載の包装袋の製造方法で製造された包装袋であって、
前記包装袋は、正面シート部と背面シート部と底面シート部とを含み、該正面シート部の両側の側縁部と該背面シート部の両側の側縁部との間に該底面シート部の両側の側縁部を各々挟みこんでこれらを一体として接合することによって袋状に形成されると共に、内部の収容部に内容物を収容し、収容した該内容物を吸い出すディスペンサーを取り付けて使用される包装袋であって、
前記収容部に内容物を収容する前の状態において、前記底面シート部は、該包装袋の幅方向に延びる中央の谷折り線と、該谷折り線の両側に位置して該包装袋の幅方向に延びる一対の山折り線とによって折り返されて、Ｍ字断面形状を備えるように折り畳まれた状態で、該底面シート部における一対の該山折り線それぞれよりも外方の外方面部の外面と、前記正面シート部の下端部の内面及び前記背面シート部の下端部の内面とが該包装袋の幅方向に延びる下端縁シール部にて接合されており、該底面シート部における一対の該山折り線それぞれよりも内方の内方面部の内面どうしが、前記包装袋を正面視して、該内方面部の両側部に配された一対の内面側部シール部にて接合されており、
前記一対の内面側部シール部は、下方から上方に向かって該内面側部シール部どうしの間隔が広くなるように形成されている包装袋。 A packaging bag manufactured by the method for manufacturing a packaging bag according to claim 1,
The packaging bag includes a front sheet part, a back sheet part, and a bottom sheet part, and the bottom sheet part is disposed between a side edge part on both sides of the front sheet part and a side edge part on both sides of the back sheet part. It is formed into a bag shape by sandwiching the side edges on both sides and joining them together, and it is used with a dispenser that accommodates the contents in the interior accommodating part and sucks out the accommodated contents A packaging bag,
In a state before the contents are stored in the storage portion, the bottom sheet portion is positioned at the center valley fold line extending in the width direction of the packaging bag and on both sides of the valley fold line. The outer surface of the outer surface portion that is outward from the pair of mountain fold lines in the bottom sheet portion in a state of being folded back by a pair of mountain fold lines extending in the direction and folded so as to have an M-shaped cross-sectional shape And an inner surface of a lower end portion of the front sheet portion and an inner surface of a lower end portion of the back sheet portion are joined by a lower end edge seal portion extending in the width direction of the packaging bag, and a pair of the bottom sheet portions The inner surfaces of the inner surface portions that are inward of each of the mountain fold lines are joined to each other by a pair of inner surface side seal portions disposed on both sides of the inner surface portion when the packaging bag is viewed from the front. ,
The pair of inner surface side seal portions is a packaging bag formed so that the interval between the inner surface side seal portions increases from the bottom to the top. 前記収容部に内容物を収容し前記ディスペンサーを取り付けた状態において、前記底面シート部は、前記一対の下端縁シール部どうしの間の領域及び前記一対の内面側部シール部どうしの間の領域それぞれが広がって、該ディスペンサーの下端を囲む下方に凸状の底部が形成されるようになっている請求項２に記載の包装袋。 In a state where the contents are stored in the storage portion and the dispenser is attached, the bottom sheet portion is a region between the pair of lower end edge seal portions and a region between the pair of inner surface side seal portions, respectively. The packaging bag according to claim 2 , wherein a convex bottom portion is formed at a lower side surrounding the lower end of the dispenser. 前記収容部に内容物を収容する前の状態において、前記一対の下端縁シール部それぞれは、下方に凹んだ形状に形成されている請求項２又は３に記載の包装袋。 In a state before housing the contents into the receiving portion, the pair of lower edge sealed portion, respectively, packaging bag according to claim 2 or 3 is formed in a recessed downward. 前記収容部に内容物を収容し前記ディスペンサーを取り付けた状態において、底部の底の位置と、前記一対の前記下端縁シール部それぞれの下端の位置とが一致している請求項２〜４の何れか１項に記載の包装袋。 In a state in which housing the contents into the receiving portion fitted with the dispenser, either the position of the bottom of the bottom, of the pair of the preceding claims, the position of the lower edge sealed portion each lower end matches 2-4 The packaging bag of Claim 1. 前記底面シート部における前記一対の内方面部は、前記包装袋を正面視して、前記一対の内面側部シール部よりも幅方向外方部分が除去されている請求項２〜５の何れか１項に記載の包装袋。 The pair of inner surface portion of the bottom sheet portions, the packaging bag and a front view, one of claims 2 to 5, wherein said pair of inner surface side seal width outward portions than portions are removed Item 1. A packaging bag according to item 1. 前記包装袋を底面視して、底部は、全周に亘って、前記一対の前記下端縁シール部それぞれと隔てられている請求項６に記載の包装袋。 The packaging bag according to claim 6 , wherein the bottom of the packaging bag is separated from each of the pair of lower end edge seal portions over the entire circumference when viewed from the bottom. 請求項２〜７の何れか１項に記載の包装袋に、該包装袋の収容部に収容した内容物を吸い出すディスペンサーが取り付けられた収納容器。 A storage container in which a dispenser for sucking out the contents stored in the storage portion of the packaging bag is attached to the packaging bag according to any one of claims 2 to 7 .
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