JP2006151425A - Closed cylindrical body and manufacturing method of the same - Google Patents

Closed cylindrical body and manufacturing method of the same Download PDF

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JP2006151425A
JP2006151425A JP2004342567A JP2004342567A JP2006151425A JP 2006151425 A JP2006151425 A JP 2006151425A JP 2004342567 A JP2004342567 A JP 2004342567A JP 2004342567 A JP2004342567 A JP 2004342567A JP 2006151425 A JP2006151425 A JP 2006151425A
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cylindrical body
closed
sheet
end opening
folding
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Ikuo Yasui
郁雄 安井
Tomonori Yasui
友典 安井
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a closed cylindrical body capable of easily and rapidly constituting the closed cylindrical body such as a cup and a container, and a manufacturing method of the same. <P>SOLUTION: A cylindrical barrel portion 11 is formed by bending a cylindrical barrel portion constituting sheet part 3 into a cylindrical shape, and affixing both side parts thereof at an affixing margin 12, and a closed part constituting sheet part 4 extends from one end of the cylindrical barrel portion constituting sheet part 3 with a dimension corresponding to the radius of the circumscribed circle of one end opening part of the cylindrical barrel portion 11. A plurality of pleat-like fold parts 24 are formed in the peripheral direction in a returning manner toward the center while a one end opening edge of the cylindrical barrel portion 11 forms a returned part. The plurality of pleat-like fold parts 24 are successively folded in the peripheral direction to form a projecting closed part 25. The projecting closed part 25 is pressed toward the inside of the cylindrical barrel portion 11, and buckled in a recessed shape to form a closed part 20. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

この発明は、カップ、容器等の閉塞筒状体と、その製造方法に関する。   The present invention relates to a closed cylindrical body such as a cup and a container, and a method for manufacturing the same.

従来、クラフト紙、厚紙、樹脂コート加工紙、断熱性加工紙等の板紙（樹脂製シートも含む）等よりなる一枚のシート素材を、カップや容器に対応する所要とする展開形状に形成して折込用加工シートを形成してから、その折込用加工シートを部分的に貼り付けたり、あるいは折り込んで、カップや容器等の閉塞筒状体を構成するものが知られている（例えば、特許文献１）。
特開２００１−１８０６５４号公報 Conventionally, a single sheet material made of paperboard (including resin sheets) such as kraft paper, cardboard, resin-coated processed paper, and heat-insulated processed paper is formed into the required unfolded shape corresponding to the cup or container. A process sheet for folding is formed, and then the process sheet for folding is partially attached or folded to form a closed cylindrical body such as a cup or container (for example, a patent) Reference 1).
JP 2001-180654 A

ところで、カップや容器等の閉塞筒状体に対応して所要とする展開形状に形成された折込用加工シートを、部分的に貼り付けたり、あるいは折り込んでカップや容器等の閉塞筒状体を構成するものにおいては、その閉塞筒状体の用途に応じて、保温性、水密性、剛性（強度）等をもたせる必要がある。
このため、折込用加工シートの貼付部分、あるいは折込部分の形状が複雑化し、閉塞筒状体を構成するために、多くの手間や時間が必要となる。 By the way, a processing sheet for folding formed in a required unfolded shape corresponding to a closed cylindrical body such as a cup or a container is partially attached or folded to close a closed cylindrical body such as a cup or a container. In what comprises, it is necessary to give heat retention, water tightness, rigidity (strength) etc. according to the use of the obstruction | occlusion cylindrical body.
For this reason, the sticking part of the processing sheet for folding, or the shape of a folding part becomes complicated, and in order to comprise an obstruction | occlusion cylindrical body, much effort and time are required.

この発明の目的は、前記従来の問題点に鑑み、カップ、容器等の閉塞筒状体を容易にかつ手早く構成することができる閉塞筒状体とその製造方法を提供することである。   An object of the present invention is to provide a closed cylindrical body that can easily and quickly form a closed cylindrical body such as a cup and a container, and a method for manufacturing the same, in view of the above-described conventional problems.

前記目的を達成するために、この発明の請求項１に係る閉塞筒状体は、筒胴部と、その筒胴部の両端開口部のうち、少なくとも一端開口部に設けられてその一端開口部を塞ぐ閉塞部と、を備えた閉塞筒状体であって、
前記筒胴部の展開形状に形成された筒胴部構成シート部が筒状に曲げられてその両側部が貼付代において貼り付けられることで筒胴部が形成され、
前記筒胴部の一端開口部の外接円の半径寸法に対応する寸法をもって前記筒胴部構成シート部の一端から延長されかつ前記閉塞部の展開形状に対応して形成された閉塞部構成シート部において、前記筒胴部の一端開口縁を折返し部として中心に向けて折り返されながら、複数の襞状折り重ね部が周方向に形成され、かつこれら複数の襞状折り重ね部が周方向に順次折り重ねられて凸状閉塞部が形成され、
前記凸状閉塞部が前記筒胴部の内部に向けて押し込まれて凹状に座屈されることで閉塞部が形成されることを特徴とする。 In order to achieve the above object, a closed cylindrical body according to claim 1 of the present invention is provided at least at one end opening portion of a tube body portion and both end openings of the tube body portion, and its one end opening portion. A closed cylindrical body provided with a closed portion,
The cylinder body part is formed by bending the cylindrical body part forming sheet part formed in the developed shape of the cylinder body part into a cylindrical shape and pasting both sides thereof at the pasting allowance,
The closed portion constituting sheet portion extended from one end of the tubular body constituting sheet portion and having a size corresponding to the radius of the circumscribed circle of the one end opening of the tubular body portion and formed corresponding to the developed shape of the closed portion. A plurality of hook-shaped folded portions are formed in the circumferential direction while being folded toward the center with the one end opening edge of the cylindrical body portion being the folded portion, and the plurality of hook-shaped folded portions are sequentially formed in the circumferential direction. Folded to form a convex occlusion,
The projecting closed portion is pushed into the cylindrical body portion and buckled into a concave shape to form the closed portion.

したがって、筒胴部の一端開口部の外接円の半径寸法に対応する寸法をもって筒胴部構成シート部の一端から延長された閉塞部構成シート部において、複数の襞状折り重ね部を周方向に形成しながら、順次折り重ねて凸状閉塞部を形成することができる。
その後、凸状閉塞部を筒胴部の内部に向けて押し込み凹状に座屈させることで閉塞部を容易に形成することができる。
また、閉塞部を構成する複数の襞状折り重ね部のうち、任意の襞状折り重ね部を引き出し操作することによって、容易に開放することができる。 Therefore, in the closed portion constituting sheet portion extended from one end of the tubular body portion constituting sheet portion with a dimension corresponding to the radius dimension of the circumscribed circle of the one end opening of the tubular body portion, a plurality of bowl-shaped folded portions are arranged in the circumferential direction. While forming, the convex occlusion can be formed by sequentially folding.
Thereafter, the closed portion can be easily formed by pushing the convex closed portion toward the inside of the cylindrical body portion and buckling it into a concave shape.
Moreover, it can open | release easily by pulling-out arbitrary hook-shaped folding parts among the some bowl-shaped folding parts which comprise a closure part.

請求項２に係る閉塞筒状体は、請求項１に記載の閉塞筒状体であって、
筒胴部の一端開口部に設けられた閉塞部を底閉塞部とし、
前記筒胴部の他端開口部には、前記底閉塞部と同様の折り込み構成によって蓋閉塞部が形成されていることを特徴とする。 The closed cylindrical body according to claim 2 is the closed cylindrical body according to claim 1,
The closed portion provided at the one end opening of the barrel portion is the bottom closed portion,
A lid closing portion is formed in the other end opening of the cylindrical body portion by a folding configuration similar to that of the bottom closing portion.

前記構成において、筒胴部の一端開口部に底閉塞部が、他端開口部に蓋閉塞部が形成されることによって、例えば、蓋付きカップ（容器）を容易に構成することができる。
このようにして構成された蓋付きカップは、ポップコーン、スナック菓子類等の軽量の菓子類を収納して持ち運ぶカップとして使用することができる。
この場合、蓋閉塞部によってカップが閉塞されるため、持ち運び時において、内容物がこぼれ落ちたリ、あるいは塵などが入ることを防止することができる。
また、内容物を取り出す場合には、蓋閉塞部の複数の襞状折り重ね部のうち、任意の襞状折り重ね部を引き出し操作することによって、容易に開放することができる。 The said structure WHEREIN: By forming a bottom obstruction | occlusion part in the one end opening part of a cylinder trunk | drum, and a lid | cover obstruction | occlusion part in the other end opening part, a cup with a lid | cover (container) can be comprised easily, for example.
The cup with a lid thus configured can be used as a cup for storing and carrying lightweight confectionery such as popcorn and snack confectionery.
In this case, since the cup is closed by the lid closing portion, it is possible to prevent the contents that have been spilled or dust from entering when carrying.
Moreover, when taking out the content, it can open | release easily by pulling out arbitrary hook-shaped folding parts among several hook-shaped folding parts of a lid | cover closure part.

請求項３に係る閉塞筒状体の製造方法は、筒胴部と、その筒胴部の両端開口部のうち、少なくとも一端開口部に設けられてその一端開口部を塞ぐ閉塞部と、を備えた閉塞筒状体を製造する方法であって、
クラフト紙、厚紙、樹脂コート加工紙、断熱性加工紙、樹脂製シート等のシート材を素材とし、前記筒胴部の展開形状に対応し、かつ一側に貼付代を有する筒胴部構成シート部と、
前記筒胴部の一端開口部の外接円の半径寸法に対応する寸法をもって前記筒胴部構成シート部の一端から延長されかつ前記閉塞部の展開形状に対応する閉塞部構成シート部と、を連続して有する折込用加工シートを準備し、
前記折込用加工シートの筒胴部構成シート部を筒状に屈曲してその両側部を前記貼付代において貼り付けて筒胴部を形成してから、
前記閉塞部構成シート部において、前記筒胴部の一端開口縁を折返し部として中心に向けて折り返しながら、複数の襞状折り重ね部を周方向に形成し、かつこれら複数の襞状折り重ね部を周方向に順次折り重ねて凸状閉塞部を形成し、
その後、前記凸状閉塞部の中心部を前記筒胴部の内部に向けて押し込んで凹状に座屈させることで閉塞部を形成することを特徴とする。 According to a third aspect of the present invention, there is provided a closed cylindrical body manufacturing method comprising: a cylindrical body portion; and a closed portion that is provided at least at one end opening portion of the both end opening portions of the cylindrical body portion and closes the one end opening portion. A method for producing a closed cylindrical body comprising:
A cylinder body constituting sheet which is made of a sheet material such as kraft paper, cardboard, resin coated processed paper, heat insulating processed paper, resin sheet, etc., and corresponds to the developed shape of the cylinder body and has a sticking allowance on one side And
A closed portion constituting sheet portion extending from one end of the tubular body portion constituting sheet portion and having a size corresponding to a radius dimension of a circumscribed circle of the one end opening of the tubular body portion, and continuously corresponding to a developed shape of the closed portion. Prepare a processing sheet for folding,
After forming the cylinder body part by bending the cylindrical body part configuration sheet part of the processing sheet for folding into a cylindrical shape and pasting both sides thereof in the pasting allowance,
In the closing portion constituting sheet portion, a plurality of hook-like folded portions are formed in the circumferential direction while folding back toward the center with one end opening edge of the cylindrical body portion as a turned-up portion, and the plurality of hook-like folded portions. Are sequentially folded in the circumferential direction to form a convex blocking portion,
Then, the closed portion is formed by pushing the central portion of the convex closed portion toward the inside of the cylindrical body portion and buckling in a concave shape.

したがって、この発明の閉塞筒状体の製造方法によると、折込用加工シートによって閉塞筒状体を容易に製造することができる。   Therefore, according to the manufacturing method of the closed cylindrical body of the present invention, the closed cylindrical body can be easily manufactured by the processing sheet for folding.

請求項４に係る閉塞筒状体製造方法は、請求項３に記載の閉塞筒状体の製造方法であって、
折込用加工シートの筒胴部構成シート部と閉塞部構成シート部の境界部には、筒胴部の一端開口縁を折返し部として中心に向けて折り返すための折返し線を設け、
前記閉塞部構成シート部には、前記筒胴部の一端開口部の周囲に沿って所定間隔を隔て、かつ前記折返し線から前記閉塞部構成シート部の先端にわたる複数の山折り線を平行状に設けるとともに、前記複数の山折り線の根元部から隣接する山折り線先端の間の略中間部に向けて谷折り線を設け、
前記閉塞部構成シート部を前記折返し線に沿って前記筒胴部の中心に向けて折り返しながら、前記閉塞部構成シート部を複数の山折り線と複数の谷折り線に沿って折り込んで略三角形状の複数の襞状折り重ね部を形成することを特徴とする。 A closed cylindrical body manufacturing method according to claim 4 is a manufacturing method of a closed cylindrical body according to claim 3,
At the boundary part of the cylinder body part constituting sheet part and the closing part constituting sheet part of the processing sheet for folding, a folding line is provided for turning back toward the center with one end opening edge of the cylinder body part as a turning part,
A plurality of mountain fold lines extending from the fold line to the end of the closing portion constituting sheet portion are arranged in parallel on the closing portion constituting sheet portion at a predetermined interval along the periphery of the one end opening of the cylindrical body portion. And providing a valley fold line from the root of the plurality of mountain fold lines toward a substantially intermediate portion between adjacent mountain fold line tips,
The closing portion constituting sheet portion is folded along a plurality of mountain fold lines and a plurality of valley fold lines while folding the closing portion constituting sheet portion along the folding line toward the center of the cylindrical body portion. A plurality of bowl-shaped folded portions having a shape are formed.

前記構成において、折込用加工シートの閉塞部構成シート部に対し、折返し線及び複数の襞状折り重ね部を形成するための山折り線、谷折り線を設けることで、閉塞部構成シート部を、筒胴部の一端縁を折返し部として中心に向けて折り返しながら、略三角形状の複数の襞状折り重ね部を形成しながら周方向に順次折り重ねて閉塞部を形成する作業を容易にかつ手早く正確に行うことができる。   In the above-described configuration, the closing portion constituting sheet portion is provided with a mountain fold line and a valley fold line for forming a folding line and a plurality of hook-like folded portions on the closing portion constituting sheet portion of the folding processing sheet. The operation of forming the closed portion by sequentially folding in the circumferential direction while forming a plurality of substantially triangular fold-shaped folded portions while folding one end edge of the cylindrical body portion toward the center as a folded portion and It can be done quickly and accurately.

この発明によれば、閉塞部構成シート部の折り込みによって形成される複数の襞状折り重ね部を周方向に順次折り重ねて凸状閉塞部を形成してから、その凸状閉塞部を座屈させることで、閉塞部を容易に形成することができ、ひいては、カップ、容器等の閉塞筒状体を容易にかつ手早く構成することができる。   According to this invention, the plurality of hook-like folded portions formed by folding the closing portion constituting sheet portion are sequentially folded in the circumferential direction to form the convex closing portion, and then the convex closing portion is buckled. By doing so, the closed portion can be easily formed, and as a result, closed cylindrical bodies such as cups and containers can be configured easily and quickly.

次に、この発明を実施するための最良の形態を実施例にしたがって説明する。   Next, the best mode for carrying out the present invention will be described with reference to examples.

図１はこの発明の実施例に係る閉塞筒状体としての蓋付きカップを斜め上方から示す斜視図である。図２は蓋付きカップを斜め下方から示す斜視図である。図３は蓋付きカップの蓋閉塞部を上方に開放した状態を斜め上方から示す斜視図である。図４は蓋付きカップの展開状態をなす折込用加工シートを示す説明図である。図５は蓋付きカップの底閉塞部を下方に開放した状態を斜め下方から示す斜視図である。図６は蓋付きカップの底部に凸状底閉塞部が形成された状態を斜め下方から示す斜視図である。図７は蓋付きカップの底部に凹状の底閉塞部が形成さらた状態を斜め下方から示す斜視図である。
図１と図２に示すように、閉塞筒状体としての蓋付きカップ（容器）１０は、クラフト紙、厚紙、樹脂コート加工紙、断熱性加工紙等の板紙や樹脂製シート等よりなる一枚のシート素材よりなり、下端の外接円の半径寸法よりも、上端の外接円の半径寸法が適宜に大きい角錐筒をなす六角筒に形成された筒胴部１１と、その筒胴部１１の下端開口部を開閉可能に塞ぐ底閉塞部２０と、筒胴部１１の上端開口部を開閉可能に塞ぐ蓋閉塞部３０と、を備え構成されている。 FIG. 1 is a perspective view showing a cup with a lid as a closed cylindrical body according to an embodiment of the present invention, obliquely from above. FIG. 2 is a perspective view showing a cup with a lid obliquely from below. FIG. 3 is a perspective view showing a state where the lid closing portion of the cup with lid is opened upward from an obliquely upper side. FIG. 4 is an explanatory view showing a processed sheet for folding which is in a developed state of the lidded cup. FIG. 5 is a perspective view showing a state in which the bottom closing part of the cup with lid is opened downward from an obliquely lower side. FIG. 6 is a perspective view showing a state in which a convex bottom blocking portion is formed at the bottom of the lidded cup from obliquely below. FIG. 7 is a perspective view showing a state where a concave bottom blocking portion is formed on the bottom portion of the lidded cup from obliquely below.
As shown in FIGS. 1 and 2, a lidded cup (container) 10 as a closed cylindrical body is made of paperboard such as kraft paper, cardboard, resin-coated paper, heat-insulating paper, resin sheet, or the like. A cylindrical body 11 formed of a hexagonal cylinder made of a sheet material and formed in a pyramidal cylinder having a radius dimension of a circumscribed circle at the upper end appropriately larger than a radius dimension of a circumscribed circle at the lower end; A bottom closing portion 20 that closes the lower end opening so as to be openable and closable, and a lid closing portion 30 that closes the upper end opening of the cylindrical body portion 11 so as to be openable and closable.

図３と図４に示すように、筒胴部１１は、その展開形状に対応して形成された筒胴部構成シート部３が六角筒に折り曲げられその両側部が貼付代１２において貼り付けられることによって形成されている。
また、筒胴部１１の外周面には、同筒胴部１１とは個別に形成される取手１５が貼り付けられている。 As shown in FIGS. 3 and 4, the cylinder body portion 11 is formed by bending the cylindrical body portion forming sheet portion 3 corresponding to the developed shape into a hexagonal cylinder and pasting the both sides thereof at the pasting allowance 12. It is formed by.
In addition, a handle 15 formed separately from the cylinder body 11 is attached to the outer peripheral surface of the cylinder body 11.

底閉塞部２０は、筒胴部１１の下端開口部の外接円の半径寸法に対応する寸法、この実施例１では筒胴部１１の下端開口部の外接円の半径寸法と略同じ寸法をもって筒胴部構成シート部３の下端から下方に延長されかつ底閉塞部２０の展開形状に対応する底閉塞部構成シート部４が折込加工されることによって形成される。
すなわち、底閉塞部２０は、まず、図５に示すように、底閉塞部構成シート部４を、筒胴部１１の下端開口縁（六角形の一辺）を折返し部として中心に向けて折り返しながら、６つの三角形状の襞状折り重ね部２４を６０度の間隔を隔てて周方向に形成する。そして、これら６つ襞状折り重ね部２４を周方向に順次折り重ねて、図６に示すように、凸状底閉塞部２５を形成した後、図７に示すように、凸状底閉塞部２５を筒胴部１１の内部に向けて押し込んで凹状に座屈させることで形成されている。 The bottom closing portion 20 has a dimension corresponding to the radius dimension of the circumscribed circle of the lower end opening portion of the cylinder body portion 11, and in the first embodiment, has a dimension substantially the same as the radius dimension of the circumscribed circle of the lower end opening portion of the cylinder body portion 11. It is formed by folding the bottom closing portion constituting sheet portion 4 extending downward from the lower end of the trunk portion constituting sheet portion 3 and corresponding to the developed shape of the bottom closing portion 20.
Specifically, as shown in FIG. 5, the bottom closing portion 20 first folds the bottom closing portion constituting sheet portion 4 toward the center with the lower end opening edge (one side of the hexagonal shape) of the cylindrical body portion 11 as the turning portion. Six triangular bowl-shaped folded portions 24 are formed in the circumferential direction at intervals of 60 degrees. Then, these six bowl-shaped folded portions 24 are sequentially folded in the circumferential direction to form a convex bottom closing portion 25 as shown in FIG. 6, and then, as shown in FIG. It is formed by pushing 25 toward the inside of the cylindrical body part 11 and buckling in a concave shape.

蓋閉塞部３０は、筒胴部１１の上端開口部の外接円の半径寸法に対応する寸法、この実施例１では筒胴部１１の上端開口部の外接円の半径寸法と略同じ寸法をもって筒胴部構成シート部３の上端から上方に延長されかつ蓋閉塞部３０の展開形状に対応する蓋閉塞部構成シート部５が折込加工されることによって形成される。
すなわち、蓋閉塞部３０は、前記した底閉塞部２０と同様の手順で、まず、蓋閉塞部構成シート部５を、筒胴部１１の上端開口縁（六角形の一辺）を折返し部として中心に向けて折り返しながら、６つの三角形状の襞状折り重ね部３４を６０度の間隔を隔てて周方向に形成する。そして、６つ襞状折り重ね部３４を周方向に順次折り重ねて凸状蓋閉塞部３５を形成した後、その凸状蓋閉塞部３５を筒胴部１１の内部に向けて押し込んで凹状に座屈させることで形成されている。 The lid closing portion 30 has a dimension corresponding to the radius dimension of the circumscribed circle of the upper end opening portion of the cylinder body portion 11. In this embodiment, the lid closing portion 30 has substantially the same dimension as the radius dimension of the circumscribed circle of the upper end opening portion of the cylinder body portion 11. It is formed by folding the lid closing portion constituting sheet portion 5 extending upward from the upper end of the trunk portion constituting sheet portion 3 and corresponding to the developed shape of the lid closing portion 30.
That is, the lid closing part 30 is the same procedure as the bottom closing part 20 described above. First, the lid closing part constituting sheet part 5 is centered with the upper end opening edge (one side of the hexagonal shape) of the cylindrical body part 11 as the turning part. The six triangular ridge-shaped folded portions 34 are formed in the circumferential direction with an interval of 60 degrees, while being folded back toward. Then, the six hook-shaped folded portions 34 are sequentially folded in the circumferential direction to form the convex lid closing portion 35, and then the convex lid closing portion 35 is pushed into the cylindrical body portion 11 to form a concave shape. It is formed by buckling.

この実施例に係る蓋付きカップ１０は、ポップコーン、スナック菓子類等の軽量の菓子類を収納して持ち運ぶカップとして使用することが最適である。
この場合、蓋閉塞部３０によって筒胴部１１が閉塞されるため、持ち運び時において、内容物がこぼれ落ちたリ、あるいは塵などが入ることを防止することができる。
また、内容物を取り出す場合には、蓋閉塞部３０の６つの襞状折り重ね部３４のうち、任意の襞状折り重ね部３４ａを引き出すことによって、図３に示すように、容易に開放することができる。
また、開放された蓋閉塞部３０、すなわち蓋閉塞部構成シート部５を前記したように折り込むことで、筒胴部１１の上端に閉塞状態をなす蓋閉塞部３０を容易に構成することができる。
また、筒胴部１１に対し底閉塞部２０及び蓋閉塞部３０をそれぞれ引き出して開放することによって、野球、サッカー等の観戦時にメガホンとして使用することができる。
また、使用後は扁平に折り畳んで処理することができる。
さらに、貼り付け箇所は貼付代１２、１２ａ、１２ｂのみであるから、リサイクルしやすい等の利点がある。 The lidded cup 10 according to this embodiment is optimally used as a cup for storing and carrying lightweight confectionery such as popcorn and snack confectionery.
In this case, since the cylinder body 11 is closed by the lid closing part 30, it is possible to prevent the contents spilled or dust from entering when carrying.
Moreover, when taking out the content, as shown in FIG. 3, it opens easily by pulling out arbitrary hook-shaped folding parts 34a among the six bowl-shaped folding parts 34 of the lid closing part 30. be able to.
Further, by folding the opened lid closing portion 30, that is, the lid closing portion constituting sheet portion 5 as described above, the lid closing portion 30 that is closed at the upper end of the cylindrical body portion 11 can be easily configured. .
Further, by pulling out and opening the bottom closing part 20 and the lid closing part 30 with respect to the cylindrical body part 11, it can be used as a megaphone when watching baseball, soccer or the like.
Moreover, after use, it can be processed by being folded flat.
Furthermore, since the pasting place is only the pasting charges 12, 12a, 12b, there are advantages such as easy recycling.

次に、前記した実施例に係る閉塞筒状体としての蓋付き容器１０の製造方法を工程順に説明する。
まず、クラフト紙、厚紙、樹脂コート加工紙、断熱性加工紙等の板紙や樹脂製シート等よりなる一枚のシート素材から、図４に示すように、筒胴部構成シート部３、底閉塞部構成シート部４、蓋閉塞部構成シート部５及び貼付代１２、１２ａ、１２ｂを連続状に有する折込用加工シート２を形成して準備する。
折込用加工シート２の筒胴部構成シート部３は、六角筒の筒胴部１１の展開形状に対応して形成されている。そして、筒胴部構成シート部３には、六角筒の一辺に対応する間隔を隔てて６本の山折り線１３が設けられ、その一側縁には山折り線１３を境として貼付代１２が延出されている。 Next, the manufacturing method of the lidded container 10 as the closed cylindrical body according to the above-described embodiment will be described in the order of steps.
First, as shown in FIG. 4, from a single sheet material made of paperboard such as kraft paper, cardboard, resin-coated processed paper, heat-insulated processed paper, resin sheet, etc., as shown in FIG. The processing sheet 2 for folding which has the part structure sheet part 4, the lid | cover obstruction | occlusion part structure sheet part 5, and the sticking margins 12, 12a, 12b in a continuous form is formed and prepared.
The cylinder body constituting sheet portion 3 of the folding processing sheet 2 is formed corresponding to the developed shape of the cylinder body portion 11 of a hexagonal cylinder. And the cylinder trunk | drum structure sheet | seat part 3 is provided with six mountain fold lines 13 at intervals corresponding to one side of the hexagonal cylinder. Has been extended.

底閉塞部構成シート部４は、筒胴部１１の下端開口部の外接円の半径寸法に対応する寸法、この実施例では筒胴部１１の下端開口部の外接円の半径寸法と略同じ寸法をもって筒胴部構成シート部３の下端から延長されかつ底閉塞部２０の展開形状に対応して形成されている。そして、底閉塞部構成シート部４には、筒胴部構成シート部３との境界部において、筒胴部１１の中心に向けて折り返すための折返し線２１が設けられている。
また、底閉塞部構成シート部４には、筒胴部１１の下端開口部の周囲に沿って所定間隔を隔て、かつ筒胴部構成シート部３の山折り線１３の延長線上において６本の山折り線２２を平行状に設けるとともに、これら６本複数の山折り線２２の根元部から隣接する山折り線先端の間の略中間部に向けて谷折り線２３を設けられ、その一側縁には山折り線２３を境として貼付代１２ａが延出されている。 The bottom closing portion constituting sheet portion 4 has a dimension corresponding to a radius dimension of a circumscribed circle of the lower end opening portion of the cylindrical body portion 11, in this embodiment, substantially the same size as a radius dimension of the circumscribed circle of the lower end opening portion of the cylinder body portion 11. And is formed corresponding to the developed shape of the bottom closing portion 20. The bottom closing part constituting sheet part 4 is provided with a folding line 21 for turning back toward the center of the cylinder body part 11 at the boundary with the cylinder body part constituting sheet part 3.
Further, the bottom closing portion constituting sheet portion 4 includes six lines on the extension line of the mountain fold line 13 of the tubular body portion constituting sheet portion 3 at a predetermined interval along the periphery of the lower end opening portion of the tubular body portion 11. A mountain fold line 22 is provided in parallel, and a valley fold line 23 is provided from the root of the six or more mountain fold lines 22 toward a substantially middle portion between adjacent mountain fold line tips, and one side thereof. Affixing margin 12a is extended to the edge with a mountain fold line 23 as a boundary.

蓋閉塞部構成シート部５は、筒胴部１１の上端開口部の外接円の半径寸法に対応する寸法、この実施例では筒胴部１１の上端開口部の外接円の半径寸法と略同じ寸法をもって筒胴部構成シート部３の上端から延長されかつ蓋閉塞部３０の展開形状に対応して形成されている。そして、蓋閉塞部構成シート部５には、筒胴部構成シート部３との境界部において、筒胴部１１の中心に向けて折り返すための折返し線３１が設けられている。
また、蓋閉塞部構成シート部５には、筒胴部１１の上端開口部の周囲に沿って所定間隔を隔て、かつ筒胴部構成シート部３の山折り線１３の延長線上において６本の山折り線３２を平行状に設けるとともに、これら６本複数の山折り線３２の根元部から隣接する山折り線先端の間の略中間部に向けて谷折り線３３を設けられ、その一側縁には山折り線３３を境として貼付代１２ｂが延出されている。
なお、筒胴部構成シート部３の貼付代１２、底閉塞部構成シート部４の貼付代１２ａ及び蓋閉塞部構成シート部５の貼付代１２ｂは各部分の一側に同じ幅をもって連続状に形成されている。 The lid closing portion constituting sheet portion 5 has a dimension corresponding to a radius dimension of a circumscribed circle of the upper end opening portion of the cylinder body portion 11, in this embodiment, substantially the same dimension as a radius dimension of the circumscribed circle of the upper end opening portion of the cylinder body portion 11. And extending from the upper end of the cylindrical body constituting sheet portion 3 and corresponding to the developed shape of the lid closing portion 30. The lid closing part constituting sheet part 5 is provided with a folding line 31 for turning back toward the center of the cylinder body part 11 at the boundary with the cylinder body part constituting sheet part 3.
Further, the lid closing portion constituting sheet portion 5 has six pieces on the extension line of the mountain fold line 13 of the tubular body portion constituting sheet portion 3 at a predetermined interval along the periphery of the upper end opening of the tubular body portion 11. A mountain fold line 32 is provided in parallel, and a valley fold line 33 is provided from a root portion of the six or more mountain fold lines 32 toward a substantially middle portion between adjacent mountain fold line tips, and one side thereof. Affixing margin 12b is extended to the edge with a mountain fold line 33 as a boundary.
In addition, the sticking allowance 12 of the cylinder body part constituting sheet part 3, the sticking allowance 12a of the bottom closing part constituting sheet part 4, and the attaching allowance 12b of the lid closing part constituting sheet part 5 are continuously formed with the same width on one side of each part. Is formed.

前記したようにして、筒胴部構成シート部３、底閉塞部構成シート部４及び蓋閉塞部構成シート部５が連続状に形成された折込用加工シート２が準備される。
ここで、まず、折込用加工シート２の筒胴部構成シート部３を、その各山折り線１３において折り込みながら六角筒状に屈曲し、その両側部を貼付代１２において接着剤等によって貼り付けて筒胴部１１を形成する。この際、底閉塞部構成シート部４及び蓋閉塞部構成シート部５においても、その各山折り線２２及び３２おいて折り込みながら六角筒状に屈曲し、その両側部を貼付代１２ａ、１２ｂにおいて接着剤等によって貼り付ける。 As described above, the processing sheet 2 for folding is prepared in which the cylinder body portion constituting sheet portion 3, the bottom closing portion constituting sheet portion 4 and the lid closing portion constituting sheet portion 5 are continuously formed.
Here, first, the cylinder body constituting sheet portion 3 of the folding processing sheet 2 is bent into a hexagonal cylindrical shape while being folded at each mountain fold line 13, and both side portions thereof are pasted with an adhesive or the like at a pasting allowance 12. The cylindrical body portion 11 is formed. At this time, the bottom closing portion constituting sheet portion 4 and the lid closing portion constituting sheet portion 5 are also bent into hexagonal cylinders while being folded at the respective mountain fold lines 22 and 32, and both side portions thereof are attached at the pasting margins 12a and 12b. Affix with adhesive.

次に、図５に示すように、底閉塞部構成シート部４において、筒胴部１１の下端開口縁の折返し線２１に沿って中心に向けて折り返しながら、底閉塞部構成シート部４を複数の山折り線２２と複数の谷折り線２３に沿って折り込んで略三角形状の複数の襞状折り重ね部２４を周方向に形成しながら、図６に示すように、複数の襞状折り重ね部２４を周方向に順次折り重ねて凸状底閉塞部２５を形成する。
その後、図７に示すように、凸状底閉塞部２５の中心部を筒胴部１１の内部に向けて押し込んで凹状に座屈させることで底閉塞部２０を形成する。 Next, as shown in FIG. 5, in the bottom closing portion constituting sheet portion 4, a plurality of bottom closing portion constituting sheet portions 4 are formed while being folded back toward the center along the folding line 21 at the lower end opening edge of the cylinder body portion 11. As shown in FIG. 6, a plurality of hook-like folds 24 are formed in the circumferential direction by folding along a mountain fold line 22 and a plurality of valley fold lines 23. The convex bottom closing portion 25 is formed by sequentially folding the portions 24 in the circumferential direction.
Thereafter, as shown in FIG. 7, the bottom closing portion 20 is formed by pushing the center portion of the convex bottom closing portion 25 toward the inside of the cylindrical body portion 11 and buckling in a concave shape.

一方、蓋閉塞部構成シート部５において、筒胴部１１の上端開口縁の折返し線３１に沿って中心に向けて折り返しながら、蓋閉塞部構成シート部５を複数の山折り線３２と谷折り線３３に沿って折り込んで略三角形状の複数の襞状折り重ね部３４を周方向に形成しながら、これら複数の襞状折り重ね部３４を周方向に順次折り重ねて凸状蓋閉塞部３５を形成する。
その後、凸状蓋閉塞部３５の中心部を筒胴部１１の内部に向けて押し込んで凹状に座屈させることで蓋閉塞部３０を形成し、これによって、蓋付きカップ１０が製造される。 On the other hand, in the lid closing portion constituting sheet portion 5, the lid closing portion constituting sheet portion 5 is folded with a plurality of mountain fold lines 32 and valley folds while being folded back toward the center along the folding line 31 of the upper end opening edge of the cylinder body portion 11. While folding along the line 33 to form a plurality of substantially triangular bowl-shaped folded sections 34 in the circumferential direction, the plurality of bowl-shaped folded sections 34 are sequentially folded in the circumferential direction to project the convex lid closing section 35. Form.
Thereafter, the central portion of the convex lid closing portion 35 is pushed toward the inside of the cylindrical body portion 11 and buckled into a concave shape, thereby forming the lid closing portion 30, whereby the lidded cup 10 is manufactured.

したがって、この実施例の閉塞筒状体としての蓋付きカップ１０の製造方法によると、折込用加工シート２によって蓋付きカップ１０を容易に製造することができる。
特に、折込用加工シート２の底閉塞部構成シート部４及び蓋閉塞部構成シート部５に設けられた折返し線２１、３１、山折り線２２、３２及び谷折り線２３、３３に沿って底閉塞部構成シート部４及び蓋閉塞部構成シート部５を折り曲げることで、略三角形状の複数の襞状折り重ね部２４、３４を容易に形成することができるとともに、これら襞状折り重ね部２４、３４を周方向に順次折り重ねて凸状底閉塞部２５及び凸状蓋閉塞部３５を容易に形成することができ、ひいては、底閉塞部２０及び蓋閉塞部３０を備えた蓋付きカップ１０を手早く正確に製造することができる。 Therefore, according to the manufacturing method of the lidded cup 10 as the closed cylindrical body of this embodiment, the lidded cup 10 can be easily manufactured by the folding processing sheet 2.
In particular, the bottom along the folding lines 21 and 31, the mountain fold lines 22 and 32, and the valley fold lines 23 and 33 provided on the bottom closing part constituting sheet part 4 and the lid closing part constituting sheet part 5 of the processing sheet 2 for folding. By folding the closing portion constituting sheet portion 4 and the lid closing portion constituting sheet portion 5, a plurality of substantially triangular fold-like folded portions 24, 34 can be easily formed. , 34 can be sequentially folded in the circumferential direction to easily form the convex bottom closing portion 25 and the convex lid closing portion 35, and as a result, the cup 10 with the lid provided with the bottom closing portion 20 and the lid closing portion 30. Can be manufactured quickly and accurately.

なお、この発明は前記実施例に限定するものではない。
例えば、前記実施例においては、筒胴部１１の外周面に、同筒胴部１１とは個別に形成される取手１５が貼り付けられる場合を例示したが、取手１５がないものであってもよい。
また、図８に示すように、蓋付きカップを形成する折込用加工シート２の山折り線１３、２３、３３、折返し線２１、３１及び谷折り線２３、３３の交差部に孔４０、４１を貫設して折込を容易にしてもよい。
この場合、折込用加工シート２が厚紙や、樹脂シートによって形成されてたとしても、その折込用加工シート２を容易に折り込んで蓋付きカップ１０を形成することができる。
また、図９に示すように、蓋付きカップ１０の蓋閉塞部構成シート部５の先端に樹脂製の袋体５０の開口縁５１を貼り付けて、筒胴部１１に収納するように構成することで、ジュース、お茶、コーヒー等の飲料や、その他、液体を収納するカップ、容器として使用することができる。
また、前記実施例においては、筒胴部１１が六角筒形である場合を例示したが、三角筒形、四角筒形、五角筒形、八角筒形・・・であってもこの発明を実施することができる。
また、図１０に示すように、筒胴部１１が円筒であってもこの発明を実施することができ、蓋付きでないカップであってもこの発明を実施することができる。
また、カップ以外の容器や、その他、閉塞筒状体であってもこの発明を実施することができる。 In addition, this invention is not limited to the said Example.
For example, in the said Example, although the case where the handle 15 formed separately from the cylinder body part 11 was affixed on the outer peripheral surface of the cylinder body part 11 was illustrated, even if there is no handle 15 Good.
Further, as shown in FIG. 8, holes 40 and 41 are formed at the intersections of the mountain fold lines 13, 23, 33, the fold lines 21, 31 and the valley fold lines 23, 33 of the folding processing sheet 2 forming the lidded cup. May be inserted to facilitate folding.
In this case, even if the folding processing sheet 2 is formed of thick paper or a resin sheet, the folding processing sheet 2 can be easily folded to form the cup 10 with the lid.
Further, as shown in FIG. 9, the opening edge 51 of the resin bag body 50 is attached to the tip of the lid closing portion constituting sheet portion 5 of the lid-attached cup 10 so as to be housed in the cylindrical body portion 11. Therefore, it can be used as a cup or container for storing a liquid such as a beverage such as juice, tea, coffee, or the like.
Moreover, in the said Example, although the case where the cylinder trunk | drum 11 was a hexagonal cylinder shape was illustrated, this invention is implemented even if it is a triangular cylinder shape, a square cylinder shape, a pentagonal cylinder shape, an octagonal cylinder shape ... can do.
Moreover, as shown in FIG. 10, this invention can be implemented even if the cylinder trunk | drum 11 is a cylinder, and this invention can be implemented even if it is a cup with a lid | cover.
Moreover, this invention can be implemented even if it is a container other than a cup, or a closed cylindrical body.

この発明の実施例に係る閉塞筒状体としての蓋付きカップを斜め上方から示す斜視図である。It is a perspective view which shows the cup with a lid | cover as an obstruction | occlusion cylindrical body which concerns on the Example of this invention from diagonally upward. 同じく蓋付きカップを斜め下方から示す斜視図である。It is a perspective view which similarly shows a cup with a lid from diagonally downward. 同じく蓋付きカップの蓋閉塞部を上方に開放した状態を斜め上方から示す斜視図である。It is a perspective view which shows the state which open | released the lid | cover closure part of the cup with a lid | cover similarly from diagonally upward. 同じく蓋付きカップの展開状態をなす折込用加工シートを示す説明図である。It is explanatory drawing which shows the processed sheet for folding which similarly makes the expansion | deployment state of a cup with a lid | cover. 同じく蓋付きカップの底閉塞部を下方に開放した状態を斜め下方から示す斜視図である。It is a perspective view which shows the state which opened the bottom obstruction | occlusion part of the cup with a lid | cover similarly from diagonally downward. 同じく蓋付きカップの底部に凸状底閉塞部が形成された状態を斜め下方から示す斜視図である。It is a perspective view which shows the state by which the convex bottom obstruction | occlusion part was similarly formed in the bottom part of the cup with a lid | cover from diagonally downward. 同じく蓋付きカップの底部に凹状の底閉塞部が形成さらた状態を斜め下方から示す斜視図である。It is a perspective view which shows the state where the concave bottom obstruction | occlusion part was formed and exposed to the bottom part of the cup with a lid | cover similarly from diagonally downward. 蓋付きカップの展開状態をなす折込用加工シートの変更例を示す説明図である。It is explanatory drawing which shows the example of a change of the processing sheet for folding which makes the expansion | deployment state of a cup with a lid | cover. 蓋付きカップに樹脂製の袋体を装着した変更例を示す破断斜視図である。It is a fracture | rupture perspective view which shows the example of a change which mounted | wore the resin-made bag body with the cup with a lid | cover. カップの筒胴部を円筒状に形成した変更例を示す斜視図である。It is a perspective view which shows the example of a change which formed the cylinder body part of the cup in the cylindrical shape.

符号の説明Explanation of symbols

２ 折込用加工シート
３ 筒胴部構成シート部
４ 底閉塞部構成シート部
５ 蓋閉塞部構成シート部
１０ 蓋付きカップ
１１ 筒胴部
１２ 貼付代
２０ 底閉塞部
２４ 襞状折り重ね部
３０ 蓋閉塞部
３４ 襞状折り重ね部 2 Processing sheet for folding 3 Cylinder body part constituting sheet part 4 Bottom clogging part constituting sheet part 5 Capping part constituting sheet part 10 Cup with lid 11 Cylinder body part 12 Sticking allowance 20 Bottom clogging part 24 Cage-shaped folded part 30 Lid closing part Part 34 bowl-shaped folded part

Claims (4)

筒胴部と、その筒胴部の両端開口部のうち、少なくとも一端開口部に設けられてその一端開口部を塞ぐ閉塞部と、を備えた閉塞筒状体であって、
前記筒胴部の展開形状に形成された筒胴部構成シート部が筒状に曲げられてその両側部が貼付代において貼り付けられることで筒胴部が形成され、
前記筒胴部の一端開口部の外接円の半径寸法に対応する寸法をもって前記筒胴部構成シート部の一端から延長されかつ前記閉塞部の展開形状に対応して形成された閉塞部構成シート部において、前記筒胴部の一端開口縁を折返し部として中心に向けて折り返されながら、複数の襞状折り重ね部が周方向に形成され、かつこれら複数の襞状折り重ね部が周方向に順次折り重ねられて凸状閉塞部が形成され、
前記凸状閉塞部が前記筒胴部の内部に向けて押し込まれて凹状に座屈されることで閉塞部が形成されることを特徴とする閉塞筒状体。 A closed cylindrical body provided with a cylindrical body and a closed part that is provided at least at one open end of the both ends of the cylindrical body and closes the open end,
The cylinder body part is formed by bending the cylindrical body part forming sheet part formed in the developed shape of the cylinder body part into a cylindrical shape and pasting both sides thereof at the pasting allowance,
The closed portion constituting sheet portion extended from one end of the tubular body constituting sheet portion and having a size corresponding to the radius of the circumscribed circle of the one end opening of the tubular body portion and formed corresponding to the developed shape of the closed portion. A plurality of hook-shaped folded portions are formed in the circumferential direction while being folded toward the center with the one end opening edge of the cylindrical body portion being the folded portion, and the plurality of hook-shaped folded portions are sequentially formed in the circumferential direction. Folded to form a convex occlusion,
The closed cylindrical body, wherein the convex closed portion is pushed toward the inside of the cylindrical body portion and buckled into a concave shape to form a closed portion. 請求項１に記載の閉塞筒状体であって、
筒胴部の一端開口部に設けられた閉塞部を底閉塞部とし、
前記筒胴部の他端開口部には、前記底閉塞部と同様の折り込み構成によって蓋閉塞部が形成されていることを特徴とする閉塞筒状体。 The closed cylindrical body according to claim 1,
The closed portion provided at the one end opening of the barrel portion is the bottom closed portion,
A closed cylindrical body characterized in that a lid closing portion is formed in the other end opening of the cylindrical body portion by a folding configuration similar to that of the bottom closing portion. 筒胴部と、その筒胴部の両端開口部のうち、少なくとも一端開口部に設けられてその一端開口部を塞ぐ閉塞部と、を備えた閉塞筒状体を製造する方法であって、
クラフト紙、厚紙、樹脂コート加工紙、断熱性加工紙、樹脂製シート等のシート材を素材とし、前記筒胴部の展開形状に対応し、かつ一側に貼付代を有する筒胴部構成シート部と、
前記筒胴部の一端開口部の外接円の半径寸法に対応する寸法をもって前記筒胴部構成シート部の一端から延長されかつ前記閉塞部の展開形状に対応する閉塞部構成シート部と、を連続して有する折込用加工シートを準備し、
前記折込用加工シートの筒胴部構成シート部を筒状に屈曲してその両側部を前記貼付代において貼り付けて筒胴部を形成してから、
前記閉塞部構成シート部において、前記筒胴部の一端開口縁を折返し部として中心に向けて折り返しながら、複数の襞状折り重ね部を周方向に形成し、かつこれら複数の襞状折り重ね部を周方向に順次折り重ねて凸状閉塞部を形成し、
その後、前記凸状閉塞部の中心部を前記筒胴部の内部に向けて押し込んで凹状に座屈させることで閉塞部を形成することを特徴とする閉塞筒状体の製造方法。 A method of manufacturing a closed cylindrical body comprising: a cylindrical body part; and a closed part provided at least at one end opening part of the opening parts at both ends of the cylindrical body part, and closing the one end opening part,
A cylinder body constituting sheet which is made of a sheet material such as kraft paper, cardboard, resin coated processed paper, heat insulating processed paper, resin sheet, etc., and corresponds to the developed shape of the cylinder body and has a sticking allowance on one side And
A closed portion constituting sheet portion extending from one end of the tubular body portion constituting sheet portion and having a size corresponding to a radius dimension of a circumscribed circle of the one end opening of the tubular body portion, and continuously corresponding to a developed shape of the closed portion. Prepare a processing sheet for folding,
After forming the cylinder body part by bending the cylindrical body part configuration sheet part of the processing sheet for folding into a cylindrical shape and pasting both sides thereof in the pasting allowance,
In the closing portion constituting sheet portion, a plurality of hook-like folded portions are formed in the circumferential direction while folding back toward the center with one end opening edge of the cylindrical body portion as a turned-up portion, and the plurality of hook-like folded portions. Are sequentially folded in the circumferential direction to form a convex blocking portion,
Thereafter, the closed portion is formed by pushing the central portion of the convex closed portion toward the inside of the cylindrical body portion and buckling in a concave shape. 請求項３に記載の閉塞筒状体の製造方法であって、
折込用加工シートの筒胴部構成シート部と閉塞部構成シート部の境界部には、筒胴部の一端開口縁を押し返し部として中心に向けて折り返すための折返し線を設け、
前記閉塞部構成シート部には、前記筒胴部の一端開口部の周囲に沿って所定間隔を隔て、かつ前記折返し線から前記閉塞部構成シート部の先端にわたる複数の山折り線を平行状に設けるとともに、前記複数の山折り線の根元部から隣接する山折り線先端の間の略中間部に向けて谷折り線を設け、
前記閉塞部構成シート部を前記折返し線に沿って前記筒胴部の中心に向けて折り返しながら、前記閉塞部構成シート部を複数の山折り線と複数の谷折り線に沿って折り込んで略三角形状の複数の襞状折り重ね部を形成することを特徴とする閉塞筒状体の製造方法。
It is a manufacturing method of the closure cylindrical object according to claim 3,
At the boundary part between the cylinder body part constituting sheet part and the closing part constituting sheet part of the processing sheet for folding, a folding line is provided for turning back toward the center as one end opening edge of the cylinder body part,
A plurality of mountain fold lines extending from the fold line to the end of the closing portion constituting sheet portion are arranged in parallel on the closing portion constituting sheet portion at a predetermined interval along the periphery of the one end opening of the cylindrical body portion. And providing a valley fold line from the root of the plurality of mountain fold lines toward a substantially intermediate portion between adjacent mountain fold line tips,
The closing portion constituting sheet portion is folded along a plurality of mountain fold lines and a plurality of valley fold lines while folding the closing portion constituting sheet portion along the folding line toward the center of the cylindrical body portion. A method for producing a closed cylindrical body, wherein a plurality of bowl-shaped folded portions having a shape are formed.
JP2004342567A 2004-11-26 2004-11-26 Closed cylindrical body and manufacturing method of the same Pending JP2006151425A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200484782Y1 (en) * 2016-06-09 2017-10-25 우종현 Cylinder-shape packing paper for a snack
GB2565774A (en) * 2017-08-20 2019-02-27 Mustoe James Cup with a foldable cover portion

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200484782Y1 (en) * 2016-06-09 2017-10-25 우종현 Cylinder-shape packing paper for a snack
GB2565774A (en) * 2017-08-20 2019-02-27 Mustoe James Cup with a foldable cover portion
GB2565774B (en) * 2017-08-20 2019-11-20 Mustoe James Cup with a foldable cover portion

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