JP2020015529A - container - Google Patents

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JP2020015529A
JP2020015529A JP2018140399A JP2018140399A JP2020015529A JP 2020015529 A JP2020015529 A JP 2020015529A JP 2018140399 A JP2018140399 A JP 2018140399A JP 2018140399 A JP2018140399 A JP 2018140399A JP 2020015529 A JP2020015529 A JP 2020015529A
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width
opening
shape
experimental example
folded portion
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JP7205099B2 (en
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和美 青木
Kazumi Aoki
和美 青木
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Toppan Inc
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Toppan Printing Co Ltd
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Abstract

To provide a self-standing container which is not bulky when folded, easily assembled.SOLUTION: A container (1) has sealant faces of a front film (2) and a rear film (3) set to face each other and includes a bottom seal (14) of a gazette having left and right seals (13, 12) on a side face and a bottom film (4) on a bottom, and is characterized in that a housing part surrounded with the right, left and bottom seals is formed, an opening (11) is formed in the housing part, a fold fastening part (111) in which at least one of the right and left seals extends above the upper end of the opening is provided, and the width of the fold fastening part is 25-40% of the opening width of the opening.SELECTED DRAWING: Figure 1

Description

本発明は、コーヒー、紅茶、日本茶、酒、などの飲料や、粒状の菓子など、食す時などに使用する小分け用の容器であって、折り畳んで保存し、必要に応じて拡張可能な容器に関する。   The present invention is a beverage, such as coffee, black tea, Japanese tea, liquor, and granular confectionery, such as a container for subdivision used when eating, folded and stored, expandable container as needed About.

レジャーや災害時に、飲料などを取り分ける容器としては、従来、紙コップや真空成形のプラスチック製コップなどが使用されてきた。
しかしながら、通常の紙コップやプラスチック製コップは、重ねることはできても、折り畳むことはむずかしく、嵩張る為に、その携帯や保管がしにくい、保管中に汚れが付着しやすいなどの問題があった。
また、折り畳み式のコップは、うがい用の二方袋や検尿用Vコップなどがあるが、中身を入れた状態で自立できなかったり、ハンドリング性に問題があった。
Conventionally, paper cups, vacuum-molded plastic cups, and the like have been used as containers for serving drinks at the time of leisure or disaster.
However, ordinary paper cups and plastic cups, even though they can be stacked, are difficult to fold and bulky, making them difficult to carry and store, and have a problem that dirt easily adheres during storage. .
In addition, folding cups include a two-way bag for gargle and a V-cup for urine analysis. However, there are problems in that they cannot stand on their own with the contents inside, and there is a problem in handling.

上記問題に対して、折り畳むことができ、携帯しやすくする方法として、例えば、特許文献1では、
筒状の胴壁と、胴壁の底部を閉塞すべく設けられた底壁と、胴壁を表裏に二分すべく設けられて胴壁の上辺から下辺寄りまで延びる左右の縦折線と、胴壁の表側に設けられて両縦折線の下端同士を繋ぐ横折線と、胴壁の表側に設けられて各縦折線の下端から胴壁の下辺まで延びる左右の斜表折線と、胴壁の裏側に設けられて各縦折線の下端から胴壁の下辺まで延びる左右の斜裏折線と、胴壁の表側に横折線を跨いで貼着されて横折線より下側の胴壁と底壁を使用状態に保持する貼着保持片と、から構成した事を特徴とする折り畳み紙コップを提案している。
Regarding the above problem, as a method that can be folded and carried easily, for example, in Patent Document 1,
A cylindrical body wall, a bottom wall provided to close the bottom of the body wall, left and right vertical folding lines provided to divide the body wall into two parts and extending from the upper side to the lower side of the body wall; A horizontal fold line that is provided on the front side and connects the lower ends of both vertical fold lines, a left and right diagonal fold line that is provided on the front side of the body wall and extends from the lower end of each vertical fold line to the lower side of the body wall, and on the back side of the body wall A state in which the left and right inclined back folding lines are provided and extend from the lower end of each vertical folding line to the lower side of the body wall, and the body wall and the bottom wall that are pasted across the horizontal folding line on the front side of the body wall and are below the horizontal folding line And a sticking and holding piece for holding the foldable paper cup.

しかしながら、この折り畳み紙コップは、使用時に組み立てにくく、使用しづらい問題がある。特に貼着保持片が、胴壁の表側に横折線を跨いで貼着され、横折線より下側の胴壁と底壁を使用状態に保持している。これが、返って、貼着保持片が外側に折り曲げられた状態を形状記憶し、その状態に戻り易くなり、組み立てた状態の強度が低く、簡単に弱い力でも容易につぶれ、折り畳まれた状態に戻り易い問題があった。   However, this foldable paper cup has a problem that it is difficult to assemble at the time of use and is difficult to use. In particular, the sticking holding piece is stuck on the front side of the trunk wall over the horizontal folding line, and holds the trunk wall and the bottom wall below the horizontal folding line in use. This returns, the shape of the adhesive holding piece bent outward is memorized, and it is easy to return to that state, the strength of the assembled state is low, it is easily collapsed even with weak force, and it is easily folded into a folded state There was a problem of returning easily.

特開平8−164929号公報JP-A-8-164929

そこで、本発明は、折り畳んで嵩張らない、かつ、容易に組み立てられ、その状態を保持して、自立可能な容器を得ることが、本発明の課題である。   Therefore, it is an object of the present invention to provide a container that is not bulky when folded, is easily assembled, and can maintain its state to be free standing.

本発明の容器は、
前フィルムと後フィルムとのシーラント面を向かい合わせ、側面に左側シール部、右側シール部、および底部の前フィルムと後フィルムとの間に底フィルムを介してガゼット構造を有する底シール部、を有する容器であって、
前記左側シール部、右側シール部、底シール部により囲まれた収納部を形成し、
前記収納部には開口部が形成されており、
前記左側シール部および前記右側シール部の少なくとも一方が、
前記開口部の上端よりも上に延出した折り留め部が設けられ、
折り留め部の幅が開口部の開口幅に対して25〜40パーセントとしたことを特徴とする容器である。
The container of the present invention,
The sealant surfaces of the front film and the rear film face each other, and have a left seal portion on the side surface, a right seal portion, and a bottom seal portion having a gusset structure via a bottom film between the front film and the rear film at the bottom. A container,
Forming a storage portion surrounded by the left seal portion, the right seal portion, and the bottom seal portion,
An opening is formed in the storage section,
At least one of the left seal portion and the right seal portion,
A folding portion extending above the upper end of the opening is provided,
A container characterized in that the width of the folded portion is 25 to 40% of the opening width of the opening.

本発明の容器は、底部のガゼットからなる底フィルムを広げ、折り留め部の側シール部を前フィルム、あるいは後フィルムに沿うように縦に折り曲げ、かつ、収納部上端周縁の高さで、外側に折り返した状態で留めることによって、自立し、かつ、確実に開口した状態で保持可能となる。   The container of the present invention spreads the bottom film made of the bottom gusset, and folds the side seal portion of the folded portion vertically along the front film or the rear film, and at the height of the upper edge of the storage portion, the outer side. By being folded back, it is possible to stand alone and to hold it in a reliably opened state.

本発明に係る容器の第1実施形態例で、未使用時の正面図と、その縦断面図である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view of a container according to a first embodiment of the present invention when not in use, and a longitudinal sectional view thereof. 本発明に係る容器の第1実施形態例で、組み立てた状態の外観斜視図と、その縦断面図である。BRIEF DESCRIPTION OF THE DRAWINGS It is the external appearance perspective view of the assembled state in the 1st Embodiment of the container which concerns on this invention, and its longitudinal cross-sectional view. 本発明に係る容器の第2実施形態例、第3実施形態例、第4形態例で、その未使用時の正面図である。It is a front view at the time of non-use in the 2nd embodiment example, the 3rd embodiment example, and the 4th embodiment example of the container which concerns on this invention. 本発明に係る容器の第5実施形態例と、第6実施形態例で、その未使用時の正面図である。It is a front view at the time of not using in the container of 5th Embodiment and 6th Embodiment of this invention. 本発明に係る容器の切り欠きの形態例と、第1実施形態例を組み立てた状態の折り留め部を開口部側から見た拡大平面図である。It is the expansion top view which looked at the form example of the notch of the container concerning the present invention, and the bent part in the state where the 1st embodiment example was assembled from the opening side. 従来の容器の形態例を示す外観斜視図である。It is an external appearance perspective view which shows the example of a form of the conventional container.

以下、本発明の容器の実施形態について、図で説明する。
図1は、本発明に係る容器の第1実施形態例で、未使用時の正面図と、そのX−X面で切断した縦断面図である。
本発明の容器1は、前フィルム2と後フィルム3と底フィルム4とから構成されている。この容器1は、前フィルム2と後フィルム3とのシーラント面を向かい合わせ、周囲を左側シール部13、右側シール部12、および底部に底フィルム4を有するガゼットの底シール部14によって形成されている。
左側シール部13、右側シール部12、底シール部14により囲まれた収納部を有し、ガゼットによって、自立可能としている。
左側シール部13と右側シール部12が、底部に向って傾斜し、底部の幅を、開口部11の幅に対して小さく形成されている。
Hereinafter, embodiments of the container of the present invention will be described with reference to the drawings.
FIG. 1 is a front view of a container according to a first embodiment of the present invention when not in use, and a longitudinal sectional view taken along the XX plane.
The container 1 of the present invention includes a front film 2, a rear film 3, and a bottom film 4. The container 1 is formed by a sealant surface of a front film 2 and a rear film 3 facing each other, a periphery of which is formed by a left seal part 13, a right seal part 12, and a gusset bottom seal part 14 having a bottom film 4 at the bottom. I have.
It has a storage part surrounded by a left seal part 13, a right seal part 12, and a bottom seal part 14, and can be made independent by a gusset.
The left seal portion 13 and the right seal portion 12 are inclined toward the bottom, and the width of the bottom is formed smaller than the width of the opening 11.

左側シール部13上端、あるいは、右側シール部12上端、又は、その両側シール部上端近傍が、開口部11周縁の上端よりも延出している。
この延出した部分は、開口部11周縁の上端に合わせて、外側に折り曲げることができる折り留め部111である。
この開口部11と折り留め部111との交差部には、切り欠き112が設けられている。切り欠き112は、底部側に向けて凹む切り欠きで、図1の第一実施形態例では半円状の凹部切り欠きとしている。
さらに、切り欠き112から折り留め部111に立ち上がる交差部には、開口部11端面に垂直な立ち上がり部113を有している。
The upper end of the left seal portion 13, the upper end of the right seal portion 12, or the vicinity of the upper end of both seal portions extends beyond the upper end of the periphery of the opening 11.
The extended portion is a bent portion 111 that can be bent outward in accordance with the upper end of the periphery of the opening 11.
A notch 112 is provided at the intersection of the opening 11 and the folded portion 111. The notch 112 is a notch recessed toward the bottom, and in the first embodiment of FIG. 1 is a semicircular recess notch.
Further, a rising portion 113 perpendicular to the end face of the opening 11 is provided at an intersection rising from the notch 112 to the folded portion 111.

図2は、本発明の容器の第1実施形態例で、組み立てた状態の外観斜視図と、その縦断面図である。
組み立てるには、折り曲げられていた底フィルム4を広げ、開口部11周縁の上端よりも延出した折り留め部111を、開口部11周縁の上端に合わせて、外側に折り曲げる。
FIG. 2 is an external perspective view of an assembled state of the container according to the first embodiment of the present invention, and a longitudinal sectional view thereof.
To assemble, the folded bottom film 4 is spread, and the folded-up portion 111 extending from the upper end of the periphery of the opening 11 is bent outward in accordance with the upper end of the periphery of the opening 11.

この時、図5−2に示すように、折り留め部111では、前フィルム2、あるいは後フィルム3に沿うように縦に側シール部を根元で折り曲げ、かつ、その状態を維持したまま、開口部11上端周縁の高さ位置で、外側に反らすようにして折り曲げる。折り留め部111は、側シール部を根元で折り曲げた状態で外側に折り返すことによって、側シール部がバネの役目を持ち、より確実に容器を開口した状態で保持することができる。   At this time, as shown in FIG. 5B, in the folded portion 111, the side seal portion is vertically bent at the base along the front film 2 or the rear film 3, and the opening is maintained while maintaining the state. At the level of the upper edge of the upper portion of the portion 11, the portion 11 is bent so as to be bent outward. The folded-up portion 111 is folded outward at the side seal portion bent at the base, so that the side seal portion has a role of a spring and can more reliably hold the container in an open state.

折り留め部111側の開口部11では、側シール部内側端部がほぼ180度に広がり、かつ、折れ曲がった端面がなだらかな曲面になるので、上端の口当たりが良い。
特に、図1−1で示したように、左側シール部13と右側シール部12が、底部に向って傾斜し、底部の幅を、開口部11の幅に対して小さく形成されているので、折り留め部111が開口部の高さで折り込んだ時に、折り留め部先端が側シール部と干渉しない。この為、折り留め部は容易に折り込みやすくなっている。
In the opening 11 on the side of the bent portion 111, the inner end of the side seal portion is spread at approximately 180 degrees, and the bent end surface becomes a gentle curved surface.
In particular, as shown in FIG. 1-1, the left seal portion 13 and the right seal portion 12 are inclined toward the bottom, and the width of the bottom is smaller than the width of the opening 11, so that When the folded portion 111 is folded at the height of the opening, the tip of the folded portion does not interfere with the side seal portion. For this reason, the folded portion is easily folded.

開口部11と折り留め部111との交差部には、切り欠き112や垂直な立ち上がり部113を設けていると、折り返す時に、図5−2のように、折り返す起点が垂直面を持つので、外側に折り曲げ易くなる。それと共に、折り留め部111を外側に折り返し、確実に開口した状態の、折り留め状態を保持し易くなる。   If a notch 112 and a vertical rising portion 113 are provided at the intersection of the opening 11 and the folded portion 111, the starting point of folding has a vertical surface as shown in FIG. It becomes easy to bend outward. At the same time, the folded portion 111 is folded outward, and it is easy to maintain the folded state in which the folded portion is securely opened.

図1−1に示した開口位置における折り留め部111の幅WDは、容器1の開口部幅寸法(WA)の25パーセント以上40パーセント以下の範囲とする。好ましくは、折り留め部111の幅WDを、開口部幅寸法WAの30パーセントから35パーセントまでの幅とする。   The width WD of the folded portion 111 at the opening position shown in FIG. 1-1 is in a range from 25% to 40% of the opening width dimension (WA) of the container 1. Preferably, the width WD of the folded portion 111 is a width of 30% to 35% of the opening width dimension WA.

また、容器1の折り留め部111の高さHDは、積層シートの材質構成にもよるが、10mm〜50mmの高さにすることが好ましい。折り留め部111の高さHDが10mm〜50mmの高さで、折り留め効果が発現する。
すなわち、折り留め部111の高さHDが10mm(全高Hの8パーセント)未満の場合、折り曲げた状態に留まらず、容易に元の形状に戻ってしまう。
また、折り留め部111の高さHDが50mm(全高Hの42パーセント)以上の場合、折り曲げようとしても容器全体が歪み過ぎて、折り曲げにくい。
The height HD of the folded portion 111 of the container 1 is preferably set to a height of 10 mm to 50 mm, although it depends on the material composition of the laminated sheet. When the height HD of the folded portion 111 is 10 mm to 50 mm, the folded effect is exhibited.
That is, when the height HD of the folded portion 111 is less than 10 mm (8% of the total height H), the folded shape does not remain in the bent state, but easily returns to the original shape.
If the height HD of the folded portion 111 is 50 mm or more (42% of the total height H), the entire container is too distorted even when attempting to bend, and it is difficult to bend.

図3は、本発明に係る容器の第2実施形態例、第3実施形態例、第4実施形態例で、その未使用時の正面図である。   FIG. 3 is a front view of a container according to a second embodiment, a third embodiment, and a fourth embodiment of the present invention when not in use.

図3−1の第2実施形態例は、左側シール部13上端と右側シール部12上端の両側シール部上端近傍が、開口部11周縁の上端よりも延出している。
この延出した部分は、外側に折り曲げる折り留め部111である。
この開口部11と折り留め部111との左右交差部それぞれに、切り欠き112が設けられている。
第一実施形態例と同じように、切り欠き112と折り留め部111との交差部には、開口部11端面に垂直な立ち上がり部113を有している。この容器は、左右どちらからも、飲むことができる。
In the second embodiment shown in FIG. 3A, the upper ends of the left seal portion 13 and the upper end of the right seal portion 12 in the vicinity of the upper ends of both seal portions extend beyond the upper end of the periphery of the opening 11.
This extended portion is a bent portion 111 bent outward.
A notch 112 is provided at each of the left and right intersections between the opening 11 and the folded portion 111.
As in the first embodiment, a rising portion 113 perpendicular to the end face of the opening 11 is provided at the intersection of the notch 112 and the bent portion 111. This container can be drunk from either the left or the right.

図3−2の第3実施形態例は、立ち上がり部113を大きく伸ばして、折り留め部111全域を一定の高さとした容器である。
立ち上がり部113が長いと、折り留めした状態を保持しやすい容器とすることができる。
The third embodiment example of FIG. 3B is a container in which the rising portion 113 is greatly extended and the entire area of the folded portion 111 has a constant height.
When the rising portion 113 is long, a container that can easily hold the folded state can be obtained.

図3−3の第4形態例は、折り留め部111根元の切り欠きを半円にして、その切り欠
きに接線状に折り留め部111外形線を伸ばした形態例で、開口部11端面に垂直な立ち上がり部を無くした形状にしている。
この場合、折り留め部111は、折り込むことはできるが、折り込み開始位置が不安定になり、作業しにくく、かつ、折り留めした状態を、やや保持しにくい容器となる。
実質的に、折り留め部111の根元が、開口部11よりも下方にズレて、折り込みにくい形態である。
The fourth embodiment shown in FIG. 3C is an embodiment in which the notch at the base of the bent portion 111 is formed into a semicircle, and the outer shape of the bent portion 111 is extended tangentially to the cutout. It has a shape without vertical rising parts.
In this case, the folded portion 111 can be folded, but the folding start position becomes unstable, making it difficult to work, and a container in which the folded state is somewhat difficult to hold.
Substantially, the root of the folded portion 111 is displaced below the opening 11 and is hardly folded.

図4は、本発明に係る容器の第5実施形態例と、第6実施形態例で、その未使用時の正面図である。
図4−1の第5実施形態例は、折り留め部111と対向する側シール部の幅を大きくした一例で、図のように、指を挿し込んで、片手で持ちやすくした実施形態例である。
FIG. 4 is a front view of a container according to a fifth embodiment and a sixth embodiment of the present invention when not in use.
The fifth embodiment of FIG. 4-1 is an example in which the width of the side seal portion facing the buckled portion 111 is increased, and as shown in the figure, a finger is inserted, and it is easy to hold with one hand. is there.

また、図4−2は、左側シール部13や右側シール部12の幅を局所的に広げた凹凸のある側シール部とし、濡れた手でも滑り落ちず、持ちやすくした実施形態例である。
このように、側シール部の形状を変化させて、使用勝手を向上させることができる。
FIG. 4-2 shows an embodiment in which the width of the left seal portion 13 and the right seal portion 12 is locally increased to form an uneven side seal portion so that even a wet hand does not slide down and is easy to hold.
Thus, the usability can be improved by changing the shape of the side seal portion.

図5−1は、本発明に係る容器の折り留め部111と開口部11との交差部における切り欠き112や立ち上がり部113の形態例である。   FIG. 5-1 is an example of the form of the notch 112 and the rising part 113 at the intersection of the folded part 111 and the opening part 11 of the container according to the present invention.

アは、折り留め部111根元側に垂直に切り込んだ直角三角形形状の切り込み形態例である。折り込む時の始点が定まりにくいが、折り留め状態を保持し易い。
角の部分は、折り込む時に、切り欠きが始点となって引き裂かれる恐れがあるので、角を滑らかな円弧状にすることが好ましい。
A is an example of a cut shape of a right-angled triangular shape that is cut vertically to the base side of the folded portion 111. Although the starting point when folding is difficult to determine, it is easy to maintain the folded state.
When the corner is folded, the notch may be a starting point and may be torn, so it is preferable to make the corner a smooth arc.

イは、折り留め部111根元から傾斜して切り込まれた逆直角三角形形状の切り込み形態例である。折り込む時の始点が上方にずれ易いが、折り留め状態を保持し易い。
角の部分は、折り込む時に、切り欠きが始点となって引き裂かれる恐れがあるので、角を滑らかな円弧状にすることが好ましい。
A is an example of an inverted right-angled triangular cut shape that is cut obliquely from the base of the bent portion 111. Although the starting point when folding is easily shifted upward, the folded state is easily maintained.
When the corner is folded, the notch may be a starting point and may be torn, so it is preferable to make the corner a smooth arc.

ウは、二等辺三角形状に切り欠いた切り欠き112の形態例である。問題なく、折り留め状態を保持し易い。
角の部分は、折り込む時に、切り欠きが始点となって引き裂かれる恐れがあるので、角を滑らかな円弧状にすることが好ましい。
C is a form example of the notch 112 cut out in the shape of an isosceles triangle. It is easy to keep the folded state without any problem.
When the corner is folded, the notch may be a starting point and may be torn, so it is preferable to make the corner a smooth arc.

エは、半円の切り欠き112であるが、立ち上がり部のない形態例である。折り留め部111の根元側に垂直の立ち上がり部がないので、折り留めの始点近傍では、やや、折り込みにくく、かつ、折り留め状態が弱くなる。   D is a semicircular notch 112, but is an example of a form without a rising portion. Since there is no vertical rising portion at the base side of the folded portion 111, it is slightly difficult to fold and the folded state is weak near the starting point of the folded portion.

本発明のパウチを構成する前フィルムや後フィルムに使用するフィルムは、外側から、二軸延伸ポリエチレンテレフタレート(12μm)/接着剤/紙(81.4g/m)/ポリエチレン(20μm)/二軸延伸ポリエチレンテレフタレート(12μm)/アルミニウム箔(9μm)/ポリエチレン(20μm)のように、6層の積層フィルムであっても良い。 The film used for the front film and the rear film constituting the pouch of the present invention is biaxially stretched polyethylene terephthalate (12 μm) / adhesive / paper (81.4 g / m 2 ) / polyethylene (20 μm) / biaxial from the outside. It may be a six-layer laminated film such as stretched polyethylene terephthalate (12 μm) / aluminum foil (9 μm) / polyethylene (20 μm).

底フィルムに使用するフィルムは、外側から、二軸延伸ポリエチレンテレフタレート層/ポリアミド層/シーラント層のような3層の積層フィルムであっても良い。   The film used for the bottom film may be a three-layer laminated film such as a biaxially stretched polyethylene terephthalate layer / polyamide layer / sealant layer from the outside.

しかし、上記構成に限定されない。
例えば、前フィルムや後フィルムも、外側から、二軸延伸ポリエチレンテレフタレート層/ポリアミド層/シーラント層のような3層の積層フィルムであっても良い。
前フィルムや後フィルム、底フィルムに使用するフィルムの基本的な構成としては、外側から表面フィルム層/シーラント層からなる積層フィルムである。
However, it is not limited to the above configuration.
For example, the front film and the rear film may also be three-layer laminated films such as a biaxially stretched polyethylene terephthalate layer / polyamide layer / sealant layer from the outside.
The basic structure of the film used for the front film, the rear film and the bottom film is a laminated film composed of a surface film layer / sealant layer from the outside.

表面フィルム層としては、ポリエチレンテレフタレートフィルム、ポリプロピレンフィルム、ポリエチレンフィルム、ポリスチレンフィルム、ナイロンフィルム、ポリカーボネートフィルム、ポリアクリルニトリルフィルム、ポリイミドフィルムなどが考えられる。機械的強度を有するものであれば、特に限定されない。結晶性樹脂フィルムを使用する場合、腰強度を向上させるため、2軸延伸フィルム使用することが好ましい。   Examples of the surface film layer include a polyethylene terephthalate film, a polypropylene film, a polyethylene film, a polystyrene film, a nylon film, a polycarbonate film, a polyacrylonitrile film, and a polyimide film. There is no particular limitation as long as it has mechanical strength. When a crystalline resin film is used, it is preferable to use a biaxially stretched film in order to improve stiffness.

特に本発明の容器に使用されるフィルムは、デッドホールド性を有していることが好ましい。デッドホールド性とは、折り曲げられた状態を保持する性質で、表面フィルム層とシーラント層との中間に、紙や不織布などや、アルミニウム箔などの金属箔などを中間層に用いたりすることで、デッドホールド性を得ることが可能である。
例えば、ポリエチレンフィルム/金属箔/ポリエチレンテレフタレートフィルム/ポリエチレンフィルム、といった構成や、
ポリエチレンテレフタレートフィルム/ポリアミドフィルム/ポリエチレン/紙/ポリエチレン/ポリエチレンフィルムの構成などが考えられる。
特に、デッドホールド性は、折り曲げた状態を保持するだけでなく、広げた状態も保持するので、自立性も向上し、使用勝手も向上する。
中間層に使用する紙や不織布は、坪量50〜300g/m、密度0.6〜1.1g/cmの範囲のものが良い。
また、紙や不織布を中間層に用いると、断熱性も向上するので、アイスクリームや冷性スープ、冷麦、冷しソーメンなどの冷性用容器、暖かいスープやコーヒーなどの温熱用容器にも対応できる。また、廃棄時に燃焼させた場合にも、低温で燃焼し、炉を傷めないので、一般的な燃えるゴミとして処分が可能で、廃棄性に優れる。
In particular, the film used for the container of the present invention preferably has a dead hold property. Dead hold property is the property of maintaining the folded state, between the surface film layer and the sealant layer, paper or nonwoven fabric, or by using metal foil such as aluminum foil for the intermediate layer, It is possible to obtain a dead hold property.
For example, a configuration such as polyethylene film / metal foil / polyethylene terephthalate film / polyethylene film,
A configuration such as a polyethylene terephthalate film / polyamide film / polyethylene / paper / polyethylene / polyethylene film can be considered.
In particular, the dead hold property not only maintains the folded state, but also maintains the spread state, so that the self-sustainability is improved and the usability is improved.
The paper or nonwoven fabric used for the intermediate layer preferably has a basis weight of 50 to 300 g / m 2 and a density of 0.6 to 1.1 g / cm 3 .
Use of paper or non-woven fabric for the middle layer improves heat insulation, so it can be used for cold containers such as ice cream, cold soup, cold barley, cold soumen, and warm containers such as warm soup and coffee. it can. Also, when burned at the time of disposal, it burns at a low temperature and does not damage the furnace, so that it can be disposed of as general burning garbage and is excellent in disposability.

また、表面フィルム層の外面や表面透明層の内側には、必要に応じて適宜印刷層を設けることができる。印刷層は、ウレタン系、アクリル系、ニトロセルロース系、ゴム系などのバインダー樹脂に各種顔料、体質顔料および可塑剤、乾燥剤、安定剤などを添加されてなるインキにより印刷された層である。印刷方法としては、例えば、オフセット印刷、グラビア印刷、フレキソ印刷、シルクスクリーン印刷、インクジェット印刷などの公知の印刷方法を用いることができる。また印刷する層の表面を、予め前処理としてコロナ処理またはオゾン処理を施すことにより、印刷層の密着性を向上させることができる。   In addition, a printing layer can be appropriately provided as needed on the outer surface of the surface film layer or inside the surface transparent layer. The printing layer is a layer printed with an ink obtained by adding various pigments, extenders, plasticizers, drying agents, stabilizers, and the like to a binder resin such as a urethane-based, acrylic-based, nitrocellulose-based, or rubber-based binder resin. As a printing method, for example, a known printing method such as offset printing, gravure printing, flexo printing, silk screen printing, or inkjet printing can be used. By subjecting the surface of the layer to be printed to a corona treatment or an ozone treatment as a pretreatment in advance, the adhesion of the printed layer can be improved.

シーラント層としては、ポリオレフィン系樹脂が一般的に使用され、具体的には、低密度ポリエチレン、直鎖状低密度ポリエチレン、中密度ポリエチレン、高密度ポリエチレン、エチレン−酢酸ビニル共重合体(EVA)、エチレン−メタクリル酸共重合体(EMAA)、エチレン−アクリル酸エチル共重合体(EAA)、アイオノマー、ポリプロピレンなどのポリオレフィン系樹脂が使用できる。これらの樹脂をTダイ、あるいはインフレーションなどの押出し機により製膜可能である。単層または複層でもよい。フィルムの厚みとしては、50〜200μmの範囲であることが好ましい。   As the sealant layer, a polyolefin resin is generally used. Specifically, low-density polyethylene, linear low-density polyethylene, medium-density polyethylene, high-density polyethylene, ethylene-vinyl acetate copolymer (EVA), Polyolefin resins such as ethylene-methacrylic acid copolymer (EMAA), ethylene-ethyl acrylate copolymer (EAA), ionomer, and polypropylene can be used. These resins can be formed into a film by an extruder such as a T-die or inflation. It may be a single layer or multiple layers. The thickness of the film is preferably in the range of 50 to 200 μm.

各層がそのままでは接着しない場合には、接着層を設ける。接着層としては、ドライラミネート用接着剤が使用できる。例えば、二液硬化型ウレタン系接着剤、ポリエステルウレタン系接着剤、ポリエーテルウレタン系接着剤、アクリル系接着剤、ポリエステル系接着剤、ポリアミド系接着剤、エポキシ系接着剤などを使用することができる。貼り合わせ方法としては、ドライラミネート法にて可能であるが、押出ラミネーション機で、シーラント層側を製膜しながら貼り合せてもかまわないし、層間にサンドポリエチレンを押し出しながらラミネート加工してもかまわない。   When each layer does not adhere as it is, an adhesive layer is provided. As the adhesive layer, an adhesive for dry lamination can be used. For example, a two-component curable urethane adhesive, a polyester urethane adhesive, a polyether urethane adhesive, an acrylic adhesive, a polyester adhesive, a polyamide adhesive, an epoxy adhesive, and the like can be used. . As a laminating method, a dry laminating method is possible, but the laminating process may be performed with an extrusion lamination machine while forming the sealant layer side while extruding sand polyethylene between the layers. .

<実施例1>
前フィルム、後フィルムに使用される積層フィルムとして、外側から、
二軸延伸ポリエチレンテレフタレート(12μm)/接着剤/紙(81.4g/m)/低密度ポリエチレン(20μm)/二軸延伸ポリエチレンテレフタレート(12μm)/アルミニウム箔(9μm)/直鎖状低密度ポリエチレン(20μm)の構成のフィルムを使用した。
底フィルムは外側からポリエチレンテレフタレートフィルム(12μm)/接着層/ポリアミド樹脂層(25μm)/接着層/直鎖状低密度ポリエチレン樹脂層(30μm)からなる積層フィルムを使用した。
容器の形状は図1−1の形状で、底部の幅WBを100mm、
開口部の幅方向Wを120mm、
開口部の上下方向外形高さHを120mm(折り留め部の幅WDは35mmで、開口部幅WAが110mmの約32パーセント、外形形状の縦横比=1:1)、
折り留め部を含む上下方向HDの全高を150mm(折り留め部高さは30mm、外形高さの約25パーセント)で、
折り留め部始点側に半径3.5mmの半円形状の凹部と立ち上がり部5mmを設けた形状で切り欠き、10個作成した。
<Example 1>
From the outside, as a laminated film used for the front film and the rear film,
Biaxially stretched polyethylene terephthalate (12 μm) / adhesive / paper (81.4 g / m 2 ) / low density polyethylene (20 μm) / biaxially stretched polyethylene terephthalate (12 μm) / aluminum foil (9 μm) / linear low density polyethylene (20 μm).
As the bottom film, a laminated film composed of a polyethylene terephthalate film (12 μm) / adhesive layer / polyamide resin layer (25 μm) / adhesive layer / linear low-density polyethylene resin layer (30 μm) was used from the outside.
The shape of the container is the shape of FIG. 1-1, and the width WB of the bottom is 100 mm,
The width direction W of the opening is 120 mm,
The vertical height H of the opening in the vertical direction is 120 mm (the width WD of the folded portion is 35 mm, the opening width WA is about 32% of 110 mm, and the aspect ratio of the external shape is 1: 1);
The total height in the vertical direction HD including the folded portion is 150 mm (the folded portion height is 30 mm, about 25% of the outer height),
Notches were formed in a shape in which a semicircular concave portion having a radius of 3.5 mm and a rising portion of 5 mm were provided on the starting point side of the folded portion, and ten notches were formed.

<実施例2>
前フィルム、後フィルムに使用される積層フィルムとして、外側から、
二軸延伸ポリエチレンテレフタレート(12μm)/接着剤/紙(104.7g/m)/低密度ポリエチレン(20μm)/二軸延伸ポリエチレンテレフタレート(12μm)/直鎖状低密度ポリエチレン(20μm)の構成のフィルムを使用した。
底フィルム、容器の形状については、実施例1と同じとし、5個作成した。
<Example 2>
From the outside, as a laminated film used for the front film and the rear film,
Biaxially oriented polyethylene terephthalate (12 μm) / adhesive / paper (104.7 g / m 2 ) / low density polyethylene (20 μm) / biaxially oriented polyethylene terephthalate (12 μm) / linear low density polyethylene (20 μm) Film was used.
The bottom film and the shape of the container were the same as in Example 1, and five pieces were prepared.

<比較例1>
容器は図6−1の形状で、容量5オンスの紙コップを用いた。
寸法は開口部外形が円形で直径CWが65mm、高さCHも65mmで、10個作成した。
<Comparative Example 1>
The container used was a paper cup having a shape of FIG.
The dimensions of the opening were circular, the diameter CW was 65 mm, and the height CH was 65 mm.

<実験例1>
フィルムは実施例1と同じ構成のフィルムを使用した。
容器の形状は図1−1の形状で、底部の幅方向WBを90mm、
開口部の外形高さHを100mm、開口部の外形幅Wを100mmとし、外形形状の縦横比=1:1にした。
折り留め部幅WDは45mmで、開口内幅WAの90mmに対する比は50パーセント、折り留め部高さは30mmで、折り留め部を含む上下方向HDの全高は130mm。
折り留め部始点側に半径3.5mmの半円形状の凹部と立ち上がり部高さC5mmを設けた形状で切り欠き部を形成し、同じ形状で10個作成した。
<Experimental example 1>
As the film, a film having the same configuration as in Example 1 was used.
The shape of the container is the shape of FIG. 1-1, the width direction WB at the bottom is 90 mm,
The outer height H of the opening was 100 mm, the outer width W of the opening was 100 mm, and the aspect ratio of the outer shape was 1: 1.
The width WD of the folded portion is 45 mm, the ratio of the width WA in the opening to 90 mm is 50%, the height of the folded portion is 30 mm, and the total height in the vertical direction HD including the folded portion is 130 mm.
Notches were formed in a shape having a semicircular concave portion with a radius of 3.5 mm and a rising portion height C of 5 mm on the starting point side of the folded portion, and ten notches were formed in the same shape.

<実験例2>
折り留め部幅WDは40.5mmで、開口内幅WAの90mmに対する比は45パーセントとした。その他は、実験例1と同じ構成と形状で10個作成した。
<Experimental example 2>
The width WD of the folded portion was 40.5 mm, and the ratio of the width WA in the opening to 90 mm was 45%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 1.

<実験例3>
折り留め部幅WDは36mmで、開口内幅WAの90mmに対する比は40パーセントとした。その他は、実験例1と同じ構成と形状で10個作成した。
<Experimental example 3>
The width WD of the folded portion was 36 mm, and the ratio of the width WA in the opening to 90 mm was 40%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 1.

<実験例4>
折り留め部幅WDは31.5mmで、開口内幅WAの90mmに対する比は35パーセントとした。その他は、実験例1と同じ構成と形状で10個作成した。
<Experimental example 4>
The folded portion width WD was 31.5 mm, and the ratio of the opening inner width WA to 90 mm was 35%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 1.

<実験例5>
折り留め部幅WDは27mmで、開口内幅WAの90mmに対する比は30パーセントとした。その他は、実験例1と同じ構成と形状で10個作成した。
<Experimental example 5>
The width WD of the folded portion was 27 mm, and the ratio of the width WA in the opening to 90 mm was 30%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 1.

<実験例6>
折り留め部幅WDは22.5mmで、開口内幅WAの90mmに対する比は25パーセントとした。その他は、実験例1と同じ構成と形状で10個作成した。
<Experimental example 6>
The width WD of the folded portion was 22.5 mm, and the ratio of the width WA in the opening to 90 mm was 25%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 1.

<実験例7>
折り留め部幅WDは18mmで、開口内幅WAの90mmに対する比は20パーセントとした。その他は、実験例1と同じ構成と形状で10個作成した。
<Experimental example 7>
The width WD of the folded portion was 18 mm, and the ratio of the width WA in the opening to 90 mm was 20%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 1.

<実験例8>
フィルムは実施例1と同じ構成のフィルムを使用した。
容器の形状は図1−1の形状で、底部の幅WBを110mm、
開口部の外形高さHを120mm、開口部の外形幅Wを120mmとし、外形形状の縦横比=1:1にした。
折り留め部幅WDは55mmで、開口内幅WA110mmに対する比は50パーセント、折り留め部高さは30mmで、折り留め部を含む上下方向HDの全高は150mm。
折り留め部始点側に半径3.5mmの半円形状の凹部と立ち上がり部高さC5mmを設けた形状で切り欠き部を形成し、同じ形状で10個作成した。
<Experimental example 8>
As the film, a film having the same configuration as in Example 1 was used.
The shape of the container is the shape of FIG. 1-1, the width WB of the bottom is 110 mm,
The outer height H of the opening was 120 mm, the outer width W of the opening was 120 mm, and the aspect ratio of the outer shape was 1: 1.
The folded portion width WD is 55 mm, the ratio to the opening inner width WA 110 mm is 50%, the folded portion height is 30 mm, and the total height in the vertical direction HD including the folded portion is 150 mm.
Notches were formed in a shape having a semicircular concave portion with a radius of 3.5 mm and a rising portion height C of 5 mm on the starting point side of the folded portion, and ten notches were formed in the same shape.

<実験例9>
折り留め部幅WDは49.5mmで、開口内幅WAの110mmに対する比は45パーセントとした。その他は、実験例8と同じ構成と形状で10個作成した。
<Experimental example 9>
The folded portion width WD was 49.5 mm, and the ratio of the opening inner width WA to 110 mm was 45%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 8.

<実験例10>
折り留め部幅WDは44mmで、開口内幅WAの110mmに対する比は40パーセントとした。その他は、実験例8と同じ構成と形状で10個作成した。
<Experimental example 10>
The width WD of the folded portion was 44 mm, and the ratio of the width WA in the opening to 110 mm was 40%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 8.

<実験例11>
折り留め部幅WDは38.5mmで、開口内幅WAの110mmに対する比は35パーセントとした。その他は、実験例8と同じ構成と形状で10個作成した。
<Experimental example 11>
The width WD of the folded portion was 38.5 mm, and the ratio of the width WA within the opening to 110 mm was 35%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 8.

<実験例12>
折り留め部幅WDは33mmで、開口内幅WAの110mmに対する比は30パーセントとした。その他は、実験例8と同じ構成と形状で10個作成した。
<Experimental example 12>
The width WD of the folded portion was 33 mm, and the ratio of the width WA in the opening to 110 mm was 30%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 8.

<実験例13>
折り留め部幅WDは27.5mmで、開口内幅WAの110mmに対する比は25パーセントとした。その他は、実験例8と同じ構成と形状で10個作成した。
<Experimental example 13>
The width WD of the folded portion was 27.5 mm, and the ratio of the width WA in the opening to 110 mm was 25%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 8.

<実験例14>
折り留め部幅WDは22mmで、開口内幅WAの110mmに対する比は20パーセントとした。その他は、実験例8と同じ構成と形状で10個作成した。
<Experimental example 14>
The width WD of the folded portion was 22 mm, and the ratio of the width WA in the opening to 110 mm was 20%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 8.

<実験例15>
フィルムは実施例1と同じ構成のフィルムを使用した。
容器の形状は図1−1の形状で、底部の幅方向WBを140mm、
開口部の外形高さHを150mm、開口部の外形幅Wを150mmとし、外形形状の縦横比=1:1にした。
折り留め部幅WDは70mmで、開口内幅WA140mmに対する比は50パーセント、折り留め部高さは30mmで、折り留め部を含む上下方向HDの全高は150mm。
折り留め部始点側に半径3.5mmの半円形状の凹部と立ち上がり部高さC5mmを設けた形状で切り欠き部を形成し、同じ形状で10個作成した。
<Experimental example 15>
As the film, a film having the same configuration as in Example 1 was used.
The shape of the container is the shape of FIG. 1-1, the width direction WB at the bottom is 140 mm,
The outer height H of the opening was 150 mm, the outer width W of the opening was 150 mm, and the aspect ratio of the outer shape was 1: 1.
The width WD of the folded portion is 70 mm, the ratio to the inner width WA of 140 mm is 50%, the height of the folded portion is 30 mm, and the total height in the vertical direction HD including the folded portion is 150 mm.
Notches were formed in a shape having a semicircular concave portion with a radius of 3.5 mm and a rising portion height C of 5 mm on the starting point side of the folded portion, and ten notches were formed in the same shape.

<実験例16>
折り留め部幅WDは63mmで、開口内幅WAの140mmに対する比は45パーセントとした。その他は、実験例15と同じ構成と形状で10個作成した。
<Experimental example 16>
The width WD of the folded portion was 63 mm, and the ratio of the width WA in the opening to 140 mm was 45%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 15.

<実験例17>
折り留め部幅WDは56mmで、開口内幅WAの140mmに対する比は40パーセントとした。その他は、実験例15と同じ構成と形状で10個作成した。
<Experimental example 17>
The width WD of the folded portion was 56 mm, and the ratio of the width WA in the opening to 140 mm was 40%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 15.

<実験例18>
折り留め部幅WDは49mmで、開口内幅WAの140mmに対する比は35パーセントとした。その他は、実験例15と同じ構成と形状で10個作成した。
<Experimental example 18>
The width WD of the folded portion was 49 mm, and the ratio of the width WA in the opening to 140 mm was 35%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 15.

<実験例19>
折り留め部幅WDは42mmで、開口内幅WAの140mmに対する比は30パーセントとした。その他は、実験例15と同じ構成と形状で10個作成した。
<Experimental example 19>
The width WD of the folded portion was 42 mm, and the ratio of the width WA in the opening to 140 mm was 30%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 15.

<実験例20>
折り留め部幅WDは35mmで、開口内幅WAの140mmに対する比は25パーセントとした。その他は、実験例15と同じ構成と形状で10個作成した。
<Experimental example 20>
The width WD of the folded portion was 35 mm, and the ratio of the width WA in the opening to 140 mm was 25%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 15.

<実験例21>
折り留め部幅WDは28mmで、開口内幅WAの140mmに対する比は20パーセントとした。その他は、実験例15と同じ構成と形状で10個作成した。
<Experimental example 21>
The width WD of the folded portion was 28 mm, and the ratio of the width WA in the opening to 140 mm was 20%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 15.

<実験例22>
フィルムは実施例1と同じ構成のフィルムを使用した。
容器の形状は図1−1の形状で、底部の幅方向WBを70mm、
開口部の外形高さHを100mm、開口部の外形幅Wを80mmとし、外形形状の縦横比=1:0.8にした。
折り留め部幅WDは35mmで、開口内幅WAの70mmに対する比は50パーセント、折り留め部高さは30mmで、折り留め部を含む上下方向HDの全高は130mm。
折り留め部始点側に半径3.5mmの半円形状の凹部と立ち上がり部高さC5mmを設けた形状で切り欠き部を形成し、同じ形状で10個作成した。
<Experimental example 22>
As the film, a film having the same configuration as in Example 1 was used.
The shape of the container is the shape of FIG. 1-1, the width direction WB at the bottom is 70 mm,
The outer height H of the opening was 100 mm, the outer width W of the opening was 80 mm, and the aspect ratio of the outer shape was 1: 0.8.
The width WD of the folded portion is 35 mm, the ratio of the width WA in the opening to 70 mm is 50%, the height of the folded portion is 30 mm, and the total height in the vertical direction HD including the folded portion is 130 mm.
Notches were formed in a shape having a semicircular concave portion with a radius of 3.5 mm and a rising portion height C of 5 mm on the starting point side of the folded portion, and ten notches were formed in the same shape.

<実験例23>
折り留め部幅WDは31.5mmで、開口内幅WAの70mmに対する比は45パーセントとした。その他は、実験例22と同じ構成と形状で10個作成した。
<Experimental example 23>
The folded width WD was 31.5 mm, and the ratio of the opening inner width WA to 70 mm was 45%. Except for this, ten pieces were formed in the same configuration and shape as in Experimental Example 22.

<実験例24>
折り留め部幅WDは28mmで、開口内幅WAの70mmに対する比は40パーセントとした。その他は、実験例22と同じ構成と形状で10個作成した。
<Experimental example 24>
The width WD of the folded portion was 28 mm, and the ratio of the width WA in the opening to 70 mm was 40%. Except for this, ten pieces were formed in the same configuration and shape as in Experimental Example 22.

<実験例25>
折り留め部幅WDは24.5mmで、開口内幅WAの70mmに対する比は35パーセントとした。その他は、実験例22と同じ構成と形状で10個作成した。
<Experimental example 25>
The width WD of the folded portion was 24.5 mm, and the ratio of the width WA in the opening to 70 mm was 35%. Except for this, ten pieces were formed in the same configuration and shape as in Experimental Example 22.

<実験例26>
折り留め部幅WDは21mmで、開口内幅WAの70mmに対する比は30パーセントとした。その他は、実験例22と同じ構成と形状で10個作成した。
<Experimental example 26>
The width WD of the folded portion was 21 mm, and the ratio of the width WA in the opening to 70 mm was 30%. Except for this, ten pieces were formed in the same configuration and shape as in Experimental Example 22.

<実験例27>
折り留め部幅WDは17.5mmで、開口内幅WAの70mmに対する比は25パーセントとした。その他は、実験例22と同じ構成と形状で10個作成した。
<Experimental example 27>
The folded width WD was 17.5 mm, and the ratio of the opening inner width WA to 70 mm was 25%. Except for this, ten pieces were formed in the same configuration and shape as in Experimental Example 22.

<実験例28>
折り留め部幅WDは14mmで、開口内幅WAの70mmに対する比は20パーセントとした。その他は、実験例22と同じ構成と形状で10個作成した。
<Experimental example 28>
The width WD of the folded portion was 14 mm, and the ratio of the width WA in the opening to 70 mm was 20%. Except for this, ten pieces were formed in the same configuration and shape as in Experimental Example 22.

<実験例29>
フィルムは実施例1と同じ構成のフィルムを使用した。
容器の形状は図1−1の形状で、底部の幅方向WBを86mm、
開口部の外形高さHを120mm、開口部の外形幅Wを96mmとし、外形形状の縦横比=1:0.8にした。
折り留め部幅WDは43mmで、開口内幅WAの86mmに対する比は50パーセント、折り留め部高さは30mmで、折り留め部を含む上下方向HDの全高は150mm。
折り留め部始点側に半径3.5mmの半円形状の凹部と立ち上がり部高さC5mmを設けた形状で切り欠き部を形成し、同じ形状で10個作成した。
<Experimental example 29>
As the film, a film having the same configuration as in Example 1 was used.
The shape of the container is the shape of FIG. 1-1, the width direction WB at the bottom is 86 mm,
The outer height H of the opening was 120 mm, the outer width W of the opening was 96 mm, and the aspect ratio of the outer shape was 1: 0.8.
The width WD of the folded portion is 43 mm, the ratio of the width WA in the opening to 86 mm is 50%, the height of the folded portion is 30 mm, and the total height in the vertical direction HD including the folded portion is 150 mm.
Notches were formed in a shape having a semicircular concave portion with a radius of 3.5 mm and a rising portion height C of 5 mm on the starting point side of the folded portion, and ten notches were formed in the same shape.

<実験例30>
折り留め部幅WDは38.7mmで、開口内幅WAの86mmに対する比は45パーセントとした。その他は、実験例29と同じ構成と形状で、10個作成した。
<Experimental example 30>
The folded portion width WD was 38.7 mm, and the ratio of the opening inner width WA to 86 mm was 45%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 29.

<実験例31>
折り留め部幅WDは34.4mmで、開口内幅WAの86mmに対する比は40パーセントとした。その他は、実験例29と同じ構成と形状で、10個作成した。
<Experimental example 31>
The width WD of the folded portion was 34.4 mm, and the ratio of the width WA in the opening to 86 mm was 40%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 29.

<実験例32>
折り留め部幅WDは30.2mmで、開口内幅WAの86mmに対する比は35パーセントとした。その他は、実験例29と同じ構成と形状で、10個作成した。
<Experimental example 32>
The folded width WD was 30.2 mm, and the ratio of the opening inner width WA to 86 mm was 35%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 29.

<実験例33>
折り留め部幅WDは25.8mmで、開口内幅WAの86mmに対する比は30パーセントとした。その他は、実験例29と同じ構成と形状で、10個作成した。
<Experimental example 33>
The width WD of the folded portion was 25.8 mm, and the ratio of the width WA in the opening to 86 mm was 30%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 29.

<実験例34>
折り留め部幅WDは21.5mmで、開口内幅WAの86mmに対する比は25パーセントとした。その他は、実験例29と同じ構成と形状で、10個作成した。
<Experimental example 34>
The folded width WD was 21.5 mm, and the ratio of the opening inner width WA to 86 mm was 25%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 29.

<実験例35>
折り留め部幅WDは17.2mmで、開口内幅WAの86mmに対する比は20パーセントとした。その他は、実験例29と同じ構成と形状で、10個作成した。
<Experimental example 35>
The folded width WD was 17.2 mm, and the ratio of the opening inner width WA to 86 mm was 20%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 29.

<実験例36>
フィルムは実施例1と同じ構成のフィルムを使用した。
容器の形状は図1−1の形状で、底部の幅方向WBを110mm、
開口部の外形高さHを150mm、開口部の外形幅Wを120mmとし、外形形状の縦横比=1:0.8にした。
折り留め部幅WDは55mmで、開口内幅WAの110mmに対する比は50パーセント、
折り留め部高さは30mmで、折り留め部を含む上下方向HDの全高は180mm。
折り留め部始点側に半径3.5mmの半円形状の凹部と立ち上がり部高さC5mmを設けた形状で切り欠き部を形成し、同じ形状で10個作成した。
<Experimental example 36>
As the film, a film having the same configuration as in Example 1 was used.
The shape of the container is the shape of FIG. 1-1, the width direction WB at the bottom is 110 mm,
The outer height H of the opening was 150 mm, the outer width W of the opening was 120 mm, and the aspect ratio of the outer shape was 1: 0.8.
Folding portion width WD is 55 mm, the ratio of opening inner width WA to 110 mm is 50%,
The height of the folded portion is 30 mm, and the total height in the vertical direction HD including the folded portion is 180 mm.
Notches were formed in a shape having a semicircular concave portion with a radius of 3.5 mm and a rising portion height C of 5 mm on the starting point side of the folded portion, and ten notches were formed in the same shape.

<実験例37>
折り留め部幅WDは49.5mmで、開口内幅WAの110mmに対する比は45パーセントとした。その他は、実験例36と同じ構成と形状で10個作成した。
<Experimental example 37>
The folded portion width WD was 49.5 mm, and the ratio of the opening inner width WA to 110 mm was 45%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 36.

<実験例38>
折り留め部幅WDは44mmで、開口内幅WAの110mmに対する比は40パーセントとした。その他は、実験例36と同じ構成と形状で10個作成した。
<Experimental example 38>
The width WD of the folded portion was 44 mm, and the ratio of the width WA in the opening to 110 mm was 40%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 36.

<実験例39>
折り留め部幅WDは38.5mmで、開口内幅WAの110mmに対する比は35パーセントとした。その他は、実験例36と同じ構成と形状で10個作成した。
<Experimental example 39>
The width WD of the folded portion was 38.5 mm, and the ratio of the width WA within the opening to 110 mm was 35%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 36.

<実験例40>
折り留め部幅WDは33mmで、開口内幅WAの110mmに対する比は30パーセントとした。その他は、実験例36と同じ構成と形状で10個作成した。
<Experimental example 40>
The width WD of the folded portion was 33 mm, and the ratio of the width WA in the opening to 110 mm was 30%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 36.

<実験例41>
折り留め部幅WDは27.5mmで、開口内幅WAの110mmに対する比は25パーセントとした。その他は、実験例36と同じ構成と形状で10個作成した。
<Experimental example 41>
The width WD of the folded portion was 27.5 mm, and the ratio of the width WA in the opening to 110 mm was 25%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 36.

<実験例42>
折り留め部幅WDは22mmで、開口内幅WAの110mmに対する比は20パーセントとした。その他は、実験例36と同じ構成と形状で10個作成した。
<Experimental example 42>
The width WD of the folded portion was 22 mm, and the ratio of the width WA in the opening to 110 mm was 20%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 36.

<実験例43>
フィルムは実施例1と同じ構成のフィルムを使用した。
容器の形状は図1−1の形状で、底部の幅方向WBを90mm、
開口部の外形高さHを80mm、開口部の外形幅Wを100mmとし、外形形状の縦横比=1:1.25にした。
折り留め部幅WDは45mmで、開口内幅WAの90mmに対する比は50パーセント、折り留め部高さは30mmで、折り留め部を含む上下方向HDの全高は120mm。
折り留め部始点側に半径3.5mmの半円形状の凹部と立ち上がり部高さC5mmを設けた形状で切り欠き部を形成し、同じ形状で10個作成した。
<Experimental example 43>
As the film, a film having the same configuration as in Example 1 was used.
The shape of the container is the shape of FIG. 1-1, the width direction WB at the bottom is 90 mm,
The outer height H of the opening was 80 mm, the outer width W of the opening was 100 mm, and the aspect ratio of the outer shape was 1: 1.25.
The width WD of the folded portion is 45 mm, the ratio of the width WA in the opening to 90 mm is 50%, the height of the folded portion is 30 mm, and the total height in the vertical direction HD including the folded portion is 120 mm.
Notches were formed in a shape having a semicircular concave portion with a radius of 3.5 mm and a rising portion height C of 5 mm on the starting point side of the folded portion, and ten notches were formed in the same shape.

<実験例44>
折り留め部幅WDは40.5mmで、開口内幅WAの90mmに対する比は45パーセントとした。その他は、実験例43と同じ構成と形状で10個作成した。
<Experimental example 44>
The width WD of the folded portion was 40.5 mm, and the ratio of the width WA in the opening to 90 mm was 45%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 43.

<実験例45>
折り留め部幅WDは36mmで、開口内幅WAの90mmに対する比は40パーセントとした。その他は、実験例43と同じ構成と形状で10個作成した。
<Experimental example 45>
The width WD of the folded portion was 36 mm, and the ratio of the width WA in the opening to 90 mm was 40%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 43.

<実験例46>
折り留め部幅WDは31.5mmで、開口内幅WAの90mmに対する比は35パーセントとした。その他は、実験例43と同じ構成と形状で10個作成した。
<Experimental example 46>
The folded portion width WD was 31.5 mm, and the ratio of the opening inner width WA to 90 mm was 35%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 43.

<実験例47>
折り留め部幅WDは27mmで、開口内幅WAの90mmに対する比は30パーセントとした。その他は、実験例43と同じ構成と形状で10個作成した。
<Experimental example 47>
The width WD of the folded portion was 27 mm, and the ratio of the width WA in the opening to 90 mm was 30%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 43.

<実験例48>
折り留め部幅WDは22.5mmで、開口内幅WAの90mmに対する比は25パーセントとした。その他は、実験例43と同じ構成と形状で10個作成した。
<Experimental example 48>
The width WD of the folded portion was 22.5 mm, and the ratio of the width WA in the opening to 90 mm was 25%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 43.

<実験例49>
折り留め部幅WDは18mmで、開口内幅WAの90mmに対する比は20パーセントとした。その他は、実験例43と同じ構成と形状で10個作成した。
<Experimental example 49>
The width WD of the folded portion was 18 mm, and the ratio of the width WA in the opening to 90 mm was 20%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 43.

<実験例50>
フィルムは実施例1と同じ構成のフィルムを使用した。
容器の形状は図1−1の形状で、底部の幅方向WBを115mm、
開口部の外形高さHを100mm、開口部の外形幅Wを125mmとし、外形形状の縦横比=1:1.25にした。
折り留め部幅WDは57.5mmで、開口内幅WAの115mmに対する比は50パーセント、
折り留め部高さは30mmで、折り留め部を含む上下方向HDの全高は130mm。
折り留め部始点側に半径3.5mmの半円形状の凹部と立ち上がり部高さC5mmを設けた形状で切り欠き部を形成し、同じ形状で10個作成した。
<Experimental example 50>
As the film, a film having the same configuration as in Example 1 was used.
The shape of the container is the shape of FIG. 1-1, the width direction WB at the bottom is 115 mm,
The outer height H of the opening was 100 mm, the outer width W of the opening was 125 mm, and the aspect ratio of the outer shape was 1: 1.25.
The folded portion width WD is 57.5 mm, and the ratio of the opening inner width WA to 115 mm is 50%,
The height of the folded portion is 30 mm, and the total height in the vertical direction HD including the folded portion is 130 mm.
Notches were formed in a shape having a semicircular concave portion with a radius of 3.5 mm and a rising portion height C of 5 mm on the starting point side of the folded portion, and ten notches were formed in the same shape.

<実験例51>
折り留め部幅WDは51.75mmで、開口内幅WAの115mmに対する比は45パーセントとした。その他は、実験例50と同じ構成と形状で10個作成した。
<Experimental example 51>
The folded portion width WD was 51.75 mm, and the ratio of the opening inner width WA to 115 mm was 45%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 50.

<実験例52>
折り留め部幅WDは46mmで、開口内幅WAの115mmに対する比は40パーセントとした。その他は、実験例50と同じ構成と形状で10個作成した。
<Experimental example 52>
The width WD of the folded portion was 46 mm, and the ratio of the width WA in the opening to 115 mm was 40%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 50.

<実験例53>
折り留め部幅WDは40.25mmで、開口内幅WAの115mmに対する比は35パーセントとした。その他は、実験例50と同じ構成と形状で10個作成した。
<Experimental example 53>
The folded portion width WD was 40.25 mm, and the ratio of the opening inner width WA to 115 mm was 35%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 50.

<実験例54>
折り留め部幅WDは34.5mmで、開口内幅WAの115mmに対する比は30パーセントとした。その他は、実験例50と同じ構成と形状で10個作成した。
<Experimental example 54>
The width WD of the folded portion was 34.5 mm, and the ratio of the width WA in the opening to 115 mm was 30%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 50.

<実験例55>
折り留め部幅WDは28.75mmで、開口内幅WAの115mmに対する比は25パーセントとした。その他は、実験例50と同じ構成と形状で10個作成した。
<Experimental example 55>
The folded width WD was 28.75 mm, and the ratio of the opening inner width WA to 115 mm was 25%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 50.

<実験例56>
折り留め部幅WDは23mmで、開口内幅WAの115mmに対する比は20パーセントとした。その他は、実験例50と同じ構成と形状で10個作成した。
<Experimental example 56>
The width WD of the folded portion was 23 mm, and the ratio of the width WA in the opening to 115 mm was 20%. Other than that, ten pieces were formed in the same configuration and shape as in Experimental Example 50.

<実験例57>
フィルムは実施例1と同じ構成のフィルムを使用した。
容器の形状は図1−1の形状で、底部の幅方向WBを140mm、
開口部の外形高さHを120mm、開口部の外形幅Wを150mmとし、外形形状の縦横比=1:1.25にした。
折り留め部幅WDは70mmで、開口内幅WAの140mmに対する比は50パーセント、
折り留め部高さは30mmで、折り留め部を含む上下方向HDの全高は150mm。
折り留め部始点側に半径3.5mmの半円形状の凹部と立ち上がり部高さC5mmを設けた形状で切り欠き部を形成し、同じ形状で10個作成した。
<Experimental example 57>
As the film, a film having the same configuration as in Example 1 was used.
The shape of the container is the shape of FIG. 1-1, the width direction WB at the bottom is 140 mm,
The outer height H of the opening was 120 mm, the outer width W of the opening was 150 mm, and the aspect ratio of the outer shape was 1: 1.25.
The folded portion width WD is 70 mm, the ratio of the opening inner width WA to 140 mm is 50%,
The height of the folded portion is 30 mm, and the total height in the vertical direction HD including the folded portion is 150 mm.
Notches were formed in a shape having a semicircular concave portion with a radius of 3.5 mm and a rising portion height C of 5 mm on the starting point side of the folded portion, and ten notches were formed in the same shape.

<実験例58>
折り留め部幅WDは63mmで、開口内幅WAの140mmに対する比は45パーセントとした。その他は、実験例57と同じ構成と形状で10個作成した。
<Experimental example 58>
The width WD of the folded portion was 63 mm, and the ratio of the width WA in the opening to 140 mm was 45%. Except for this, ten pieces were formed in the same configuration and shape as in Experimental Example 57.

<実験例59>
折り留め部幅WDは56mmで、開口内幅WAの140mmに対する比は40パーセントとした。その他は、実験例57と同じ構成と形状で10個作成した。
<Experimental example 59>
The width WD of the folded portion was 56 mm, and the ratio of the width WA in the opening to 140 mm was 40%. Except for this, ten pieces were formed in the same configuration and shape as in Experimental Example 57.

<実験例60>
折り留め部幅WDは49mmで、開口内幅WAの140mmに対する比は35パーセントとした。その他は、実験例57と同じ構成と形状で10個作成した。
<Experimental example 60>
The width WD of the folded portion was 49 mm, and the ratio of the width WA in the opening to 140 mm was 35%. Except for this, ten pieces were formed in the same configuration and shape as in Experimental Example 57.

<実験例61>
折り留め部幅WDは42mmで、開口内幅WAの140mmに対する比は30パーセントとした。その他は、実験例57と同じ構成と形状で10個作成した。
<Experimental example 61>
The width WD of the folded portion was 42 mm, and the ratio of the width WA in the opening to 140 mm was 30%. Except for this, ten pieces were formed in the same configuration and shape as in Experimental Example 57.

<実験例62>
折り留め部幅WDは35mmで、開口内幅WAの140mmに対する比は25パーセントとした。その他は、実験例57と同じ構成と形状で10個作成した。
<Experimental example 62>
The width WD of the folded portion was 35 mm, and the ratio of the width WA in the opening to 140 mm was 25%. Except for this, ten pieces were formed in the same configuration and shape as in Experimental Example 57.

<実験例63>
折り留め部幅WDは28mmで、開口内幅WAの140mmに対する比は20パーセントとした。その他は、実験例57と同じ構成と形状で10個作成した。
<Experimental example 63>
The width WD of the folded portion was 28 mm, and the ratio of the width WA in the opening to 140 mm was 20%. Except for this, ten pieces were formed in the same configuration and shape as in Experimental Example 57.

Figure 2020015529
Figure 2020015529

<評価方法>
実施例1と比較例1について積み重ね性を、実施例1、2について自立性を、実験例1〜63について折り留めの折り込み性や形状保持性を評価した。
<Evaluation method>
Example 1 and Comparative Example 1 were evaluated for stackability, Examples 1 and 2 were evaluated for independence, and Experimental Examples 1 to 63 were evaluated for folding-in foldability and shape retention.

<積み重ね性評価方法>
実施例1と比較例1について、10個作成し、それらを保管する状態として重ね、重ねた状態で測定し、それが直方体の箱に入れる場合の箱の内容積を計算して、評価した。
<Stackability evaluation method>
About Example 1 and Comparative Example 1, ten pieces were prepared, they were piled up as a state to store them, measured in the piled up state, and the inner volume of the box when it was put in a rectangular parallelepiped box was calculated and evaluated.

<自立性評価方法>
実施例1と実施例2について、5個を取り出し、内容物として水を180ml入れて、平らな台に置き、30分間、自立性を保持しているか、評価した。
<Independence evaluation method>
About Example 1 and Example 2, 5 pieces were taken out, 180 ml of water was put as contents, and it was placed on a flat table, and it was evaluated whether or not self-support was maintained for 30 minutes.

<折り留めの折り込み性評価方法>
実験例1〜63について、折り留め部を折り返す時の、しやすさを官能的に5人で2個ずつ評価し、フィルムの破れの有無、折り返しの保持性を0〜6の7段階で評価した。
<Folding evaluation method of folding>
For each of Experimental Examples 1 to 63, the ease of folding back the folded portion was sensually evaluated by two persons by five persons, and the presence / absence of tearing of the film and the retentivity of folding were evaluated on a seven-point scale of 0 to 6. did.

<評価結果>
<積み重ね性評価結果>
比較例1は、10個の積み重ねた時、縦65mm、横65mm、高さCMHは90mmで、体積は380mmであった。(図6−2)
これに対し、実施例1は、10個の積み重ねた時、縦120mm、横150mm、高さ5mmで、体積は90mmであった。
実施例1の体積は、比較例1の約23.7パーセントで、非常に狭い容積に収納することができる。
<Evaluation results>
<Results of stackability evaluation>
In Comparative Example 1, when 10 pieces were stacked, the length was 65 mm, the width was 65 mm, the height CMH was 90 mm, and the volume was 380 mm 3 . (Fig. 6-2)
On the other hand, in Example 1, when 10 pieces were stacked, the length was 120 mm, the width was 150 mm, the height was 5 mm, and the volume was 90 mm 3 .
The volume of Example 1 is about 23.7% of that of Comparative Example 1, and can be stored in a very small volume.

<自立性評価結果>
実施例1と実施例2について、5個中5個、10分間、自立を保持できた。
<Independence evaluation result>
Regarding Example 1 and Example 2, 5 out of 5 pieces were able to maintain their independence for 10 minutes.

<折り留めの折り込み性評価結果>
折り留め部の幅は、折り留め性能に最も影響し、25〜40パーセントで折り留め性が発現するが、特に30〜35パーセントにおいて、安定した折り留めが可能だった。
折り留め部の幅が45パーセント以上では、折り留め部根元を折り曲げる工程で、切り欠き周辺に大きな力が掛かり、破れが生じやすい。特に50パーセント以上では、容器全体が歪んだ状態になり、折り曲げられなかった。
折り留め部の幅が25パーセント未満では、折り込み部根元を折り曲げても、30度以上折った部分が元に戻ってしまい、ほとんど折り込み部が留まらない問題が生じた。
容器の縦横比による差は見られなかった。
<Folding evaluation result of folding>
The width of the folded portion has the greatest influence on the folding performance, and the folding property is developed at 25 to 40%, but stable folding was particularly possible at 30 to 35%.
If the width of the folded portion is 45% or more, a large force is applied around the notch in the step of bending the root of the folded portion, and the break is likely to occur. In particular, at 50% or more, the entire container was distorted and could not be bent.
If the width of the folded portion is less than 25%, even if the root of the folded portion is bent, a portion folded by 30 degrees or more returns to the original position, and there is a problem that the folded portion hardly stays.
No difference due to the aspect ratio of the container was observed.

Figure 2020015529
Figure 2020015529

以上の結果から、本発明の容器は、保管中は空袋のスタンディングパウチのように、がさばらず、災害時など、必要な時には充分な容積を確保し、自立できるので、使用勝手が良い。特に、折り留め部を折り込むことによって、折り留め部根元の折り曲げ部が丸くなって、開口部を充分に広げた状態で留まり、口当たりもよく、かつ、より安定した自立性が確保できる容器にすることができる。
また、汎用のガゼット袋の生産ラインを使用でき、生産性も高く、製品価格も低く抑えられると共に、保管中のスペースも小さくできるなど、本発明のメリットは大きい。
From the above results, the container of the present invention does not loosen during storage like a standing pouch in an empty bag, secures a sufficient volume when necessary, such as at the time of a disaster, and can be self-supporting, so that it is convenient to use. . In particular, by folding the folded portion, the bent portion at the root of the folded portion is rounded, stays in a state where the opening is sufficiently widened, the mouth feel is good, and a container that can secure more stable independence is secured. be able to.
In addition, a general-purpose gusset bag production line can be used, the productivity is high, the product price can be kept low, and the space during storage can be reduced.

1・・・・・・・・容器
11・・・・・・・開口部
111・・・・・・折り留め部
112・・・・・・切り欠き
113・・・・・・立ち上がり部
12・・・・・・・右側シール部
13・・・・・・・左側シール部
14・・・・・・・底シール部
2・・・・・・・・前フィルム
3・・・・・・・・後フィルム
4・・・・・・・・底フィルム
C・・・・・・・・立ち上がり部高さ
H・・・・・・・・外形高さ(底部下端から開口部までの高さ)
HD・・・・・・・高さ(折り留め部)
W・・・・・・・・外形幅(開口部外幅)
WA・・・・・・・幅・幅寸法(開口部内幅)
WB・・・・・・・幅・幅寸法(底部)
WD・・・・・・・幅(折り留め部)
1 ················································································ ... Right seal part 13 ... Left seal part 14 ... Bottom seal part 2 ... Front film 3 ...・ Rear film 4 ・ ・ ・ ・ ・ ・ ・ ・ ・ Bottom film C ・ ・ ・ ・ ・ ・ ・ ・ ・ Rising part height H ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ External height (height from bottom bottom edge to opening)
HD ····· Height (folded part)
W · · · · · · · external width (opening outside width)
WA ······ Width and width dimensions (inner width of opening)
WB: width, width (bottom)
WD: width (folded part)

Claims (7)

前フィルムと後フィルムとのシーラント面を向かい合わせ、側面に左側シール部、右側シール部、および底部の前フィルムと後フィルムとの間に底フィルムを介してガゼット構造を有する底シール部、を有する容器であって、
前記左側シール部、右側シール部、底シール部により囲まれた収納部を形成し、
前記収納部には開口部が形成されており、
前記左側シール部および前記右側シール部の少なくとも一方が、
前記開口部の上端よりも上に延出した折り留め部が設けられ、
折り留め部の幅を開口部の開口幅に対して25〜40パーセントとしたことを特徴とする容器。
The sealant surfaces of the front film and the rear film face each other, and have a left seal portion on the side surface, a right seal portion, and a bottom seal portion having a gusset structure via a bottom film between the front film and the rear film at the bottom. A container,
Forming a storage portion surrounded by the left seal portion, the right seal portion, and the bottom seal portion,
An opening is formed in the storage section,
At least one of the left seal portion and the right seal portion,
A folding portion extending above the upper end of the opening is provided,
A container characterized in that the width of the folded portion is 25 to 40% of the opening width of the opening.
左側シール部と右側シール部が、底部に向って傾斜し、
底部の幅を、開口部の幅に対して小さくしたことを特徴とする請求項1に記載の容器。
The left seal part and the right seal part are inclined toward the bottom,
2. The container according to claim 1, wherein the width of the bottom is smaller than the width of the opening.
開口部が、折り留め部との交差部に切り欠きを有することを特徴とする請求項1又は2に記載の容器。   The container according to claim 1, wherein the opening has a notch at an intersection with the folded portion. 上記切り欠きが、底部側に向けて凹む半円状の凹部切り欠きであることを特徴とする請求項3に記載の容器。   The container according to claim 3, wherein the notch is a semicircular concave notch that is concave toward the bottom side. 上記折り留め部が、開口部との交差部に、開口部端面に垂直な立ち上がり部を有することを特徴とする請求項1〜4のいずれかに記載の容器。   The container according to any one of claims 1 to 4, wherein the folded portion has a rising portion perpendicular to an end face of the opening at an intersection with the opening. 上記折り留め部の高さが、10mm以上50mm以下とすることを特徴とする請求項1〜5のいずれかに記載の容器。   The container according to any one of claims 1 to 5, wherein the height of the folded portion is 10 mm or more and 50 mm or less. 左右の側シール部の外形形状が、凹部あるいは凸部を有することを特徴とする請求項1〜5のいずれかに記載の容器。   The container according to any one of claims 1 to 5, wherein the outer shape of the left and right side seal portions has a concave portion or a convex portion.
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4880887U (en) * 1971-12-28 1973-10-03
JPH0219363U (en) * 1988-07-25 1990-02-08
JPH0534113U (en) * 1991-09-30 1993-05-07 凸版印刷株式会社 Foldable paper cup-shaped container
JPH09500044A (en) * 1993-07-16 1997-01-07 ジベール カピ Unfolding cup with concave bottom with stabilizing means
JP2002337888A (en) * 2001-05-18 2002-11-27 Dainippon Printing Co Ltd Bag
JP2012046231A (en) * 2010-08-27 2012-03-08 Dainippon Printing Co Ltd Package body

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4880887U (en) * 1971-12-28 1973-10-03
JPH0219363U (en) * 1988-07-25 1990-02-08
JPH0534113U (en) * 1991-09-30 1993-05-07 凸版印刷株式会社 Foldable paper cup-shaped container
JPH09500044A (en) * 1993-07-16 1997-01-07 ジベール カピ Unfolding cup with concave bottom with stabilizing means
JP2002337888A (en) * 2001-05-18 2002-11-27 Dainippon Printing Co Ltd Bag
JP2012046231A (en) * 2010-08-27 2012-03-08 Dainippon Printing Co Ltd Package body

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