JP2020117274A - Filling port sealing structure of jellied bean paste packaging container and filling port sealing method of jellied bean paste packaging container - Google Patents

Filling port sealing structure of jellied bean paste packaging container and filling port sealing method of jellied bean paste packaging container Download PDF

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JP2020117274A
JP2020117274A JP2019009998A JP2019009998A JP2020117274A JP 2020117274 A JP2020117274 A JP 2020117274A JP 2019009998 A JP2019009998 A JP 2019009998A JP 2019009998 A JP2019009998 A JP 2019009998A JP 2020117274 A JP2020117274 A JP 2020117274A
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filling port
yokan
packaging container
face
state
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孝幸 村手
Takayuki Murate
孝幸 村手
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Abstract

To provide a filling port sealing structure of a jellied bean paste packaging container and a filling port sealing method of the jellied bean paste packaging container which can prevent the filling port shape from deforming, and contributes to improving the good out-look and the sense of luxury of jellied bean paste removed from a package.SOLUTION: A flat seal part 19 is formed by heat sealing without folding inside the filling port side of a jellied bean paste packaging container 1, and after bending the flat seal part 19 along a rectangular parallelepiped end surface 21, portions protruding from a pair of facing sides 21a, 21b of the end face 21 to the outside are bent inside the end face 21 while being pressed by a first guide plate so that the pressure at the time of bending does not affect the solidified shape of the filled jellied bean paste, a portion protruding from the remaining one side is bent inside the end face 21 while pressing it with a second guide plate to cover almost the entire end face 21, and is adhered so that this state is maintained.SELECTED DRAWING: Figure 4

Description

本発明は、羊羹の包装容器の充填口封止構造及び充填口封止方法に関するものである。 The present invention relates to a filling port sealing structure and a filling port sealing method for a yokan packaging container.

羊羹は、直方体形状の容積を有するリテーナ等の枠体内に柔軟性(形状追従性)を有する筒状の包装容器をセットし、その充填口から加熱溶融された流動性を有する状態の羊羹を充填し、充填後に充填口を封止(ヒートシール)することにより商品化される。
充填口を封止した後に羊羹が冷却凝固することにより、直方体形状の固形状羊羹となる。
包装容器としては、一般的に、ポリエチレンやポリアミド等の合成樹脂製で合掌接着を介して筒状に形成され、両端部がガゼット式に内側へ折り込まれた袋が廉価な小サイズ羊羹用として知られている(例えば特許文献1参照)。
For yokan, set a cylindrical packaging container having flexibility (shape conformability) in a frame such as a retainer having a rectangular parallelepiped shape, and fill the heated and melted yokan in the filling port. Then, after filling, the filling port is sealed (heat-sealed) to be commercialized.
After the filling port is sealed, the yokan is cooled and solidified to be a rectangular parallelepiped solid yokan.
As a packaging container, a bag made of synthetic resin such as polyethylene or polyamide, which is formed into a tubular shape with a palm joint, and has both ends folded inward in a gusset manner is generally known as an inexpensive small-sized yokan. (For example, see Patent Document 1).

特開2003−175970号公報JP, 2003-175970, A

この種の包装容器では、セット時に底面となる側が予め封止された状態でリテーナ等の枠体にセットされるため、充填した流動性を有する状態の羊羹の重量が均一に掛かることもあって凝固後の羊羹の底面側の端面形状の形崩れは殆ど無い。
一方、充填口側では充填後にシール動作が行われるため、凝固後の端面形状の形崩れを避けられない。これは充填口の両側面(短辺側面)を内側に折り込んだ状態でシールするため、シール動作時の圧力で折り込み部(両側の窪み部)の形状が歪んでしまうことに起因する。折り込み部が歪まない場合でも折り込み部自体立体的な空間として転写されて凝固するため、角部が潰れた形状になってしまう。
この不具合は、折り目によって折り込み部が正確に形成されるガゼット袋でも同様に生じる。ガゼット袋がそのまま羊羹の外装体となる場合には厚手の合成樹脂フィルムが使われるため、素材弾性によって折り込み部の立体形状が大きくなり、角部が潰れることなる。
In this type of packaging container, the bottom side at the time of setting is set in a frame body such as a retainer in a previously sealed state, so that the weight of the filled yokan in a fluid state may be evenly applied. Almost no deformation of the end face shape of the bottom side of the yokan after solidification.
On the other hand, on the filling port side, since the sealing operation is performed after the filling, it is inevitable that the shape of the end face after the solidification is deformed. This is because the sealing is performed in a state where both side surfaces (short side surfaces) of the filling port are folded inward, so that the shape of the folded portion (concave portions on both sides) is distorted by the pressure during the sealing operation. Even when the folded portion is not distorted, the folded portion itself is transferred as a three-dimensional space and solidifies, so that the corner portion becomes a collapsed shape.
This problem also occurs in the gusset bag in which the folded portion is accurately formed by the fold line. When the gazette bag is used as an outer casing of yokan as it is, a thick synthetic resin film is used, so that the three-dimensional shape of the folded portion becomes large due to the elasticity of the material, and the corner portion is crushed.

このように、充填口側での形崩れは回避できない現状にあるため、流通時の商品では、充填時に底面側となる方を商品の上側とし、上側の近傍に包装容器を開封する開け口を設けて最初に食べるときの外観上の美観を損ねないような対策が採られている。よって、包装容器に包まれた状態で形崩れがしていない側から食べていくような場合には、充填口側の形崩れは殆ど問題にはならない。
また、廉価との兼ね合いから充填口側の形崩れは仕方がない、という意識が消費者側に存在することも事実である。
In this way, since the shape collapse on the filling port side cannot be avoided, the bottom side of the product during distribution is the top side of the product, and there is an opening near the top side to open the packaging container. Measures have been taken to prevent the appearance of the product when it is first eaten. Therefore, when the food is eaten from the side which is not deformed in the state of being wrapped in the packaging container, the deformation on the filling port side is hardly a problem.
It is also a fact that the consumer side has the consciousness that the shape of the filling port cannot be changed due to the low price.

しかしながら、羊羹を丸ごと取り出して皿に並べたり、複数個に切り分けて並べたりする場合は、両端部の形状が同時に目に入るので充填口側の形崩れは外観上の美観を損ねることになる。外観上の美観が損なわれた場合には、羊羹の高級感を阻害することになってしまう。
このため、特に高価な材料を使用する高級感を売り物にする業者からは、充填口側の形崩れの改善を望む声が強かった。
However, when the whole yokan is taken out and arranged on a plate, or cut into a plurality of pieces, the shapes of both end parts are visible at the same time, and the shape collapse at the filling port side impairs the appearance. If the aesthetic appearance is impaired, the quality of yokan will be impaired.
For this reason, there has been a strong demand from vendors who sell high-quality products that use particularly expensive materials to improve the deformation on the filling port side.

本発明はこのような現状に鑑みて創案されたもので、充填口側の形崩れを抑制でき、羊羹をむき身にした場合の美観及び高級感の向上に寄与する羊羹の包装容器の充填口封止構造及び羊羹の包装容器の充填口封止方法の提供を、その目的とする。 The present invention was devised in view of such a situation as described above, which can suppress the deformation of the filling mouth side, and contributes to the improvement of the aesthetics and the high-class appearance when the yokan is peeled off. An object of the present invention is to provide a stop structure and a method for sealing a filling port of a yokan packaging container.

本発明は、上記目的を達成するために為されたものであり、請求項1の発明は、一端側が封止され且つ他端側が充填口として開口された筒状の羊羹の包装容器を、直方体形状の容積を有する枠体内にセットした状態で加熱溶融された流動性を有する状態の羊羹を前記充填口から充填した後前記充填口を封止してなる羊羹の包装容器の充填口封止構造であって、前記直方体形状の前記充填口側の端面の中央部に位置して前記直方体形状の長手方向へ延びる状態に前記充填口を内側に折り込まずに扁平に接着してなる扁平シール部を有し、前記扁平シール部は、前記端面に沿うように折り曲げるための第1の折り目と、前記第1の折り目によって前記扁平シール部を折り曲げた状態で、前記端面から外側に突出した該端面の3辺に対応する突出部分のうち対向する一対の辺に対応する突出部分を前記端面の内側にそれぞれ折り曲げるための一対の第2の折り目と、前記一対の第2の折り目によって前記扁平シール部を折り曲げた状態で、残りの1辺に対応する突出部分を前記端面の内側に折り曲げて前記端面の略全体を覆うための第3の折り目とを有し、前記第3の折り目によって前記扁平シール部を折り曲げた状態を維持するように構成されていることを特徴とする羊羹の包装容器の充填口封止構造である。 The present invention has been made to achieve the above object, and the invention of claim 1 is a rectangular parallelepiped container for a container for yokan that has one end sealed and the other end opened as a filling port. Filling port sealing structure of a packaging container for yokan, which is obtained by filling the yokan in a state of having fluidity that is heated and melted in a state of being set in a frame having a shape volume and then sealing the filling port. A flat seal portion formed by adhering flatly without folding the filling port inward in a state of being located in the central portion of the end face on the filling port side of the rectangular parallelepiped shape and extending in the longitudinal direction of the rectangular parallelepiped shape. Having the flat seal portion, a first fold for bending along the end surface, and a state in which the flat seal portion is folded by the first fold, of the end surface protruding outward from the end surface. Of the projecting portions corresponding to the three sides, the pair of second folds for bending the projecting portions corresponding to the pair of opposite sides to the inside of the end face, respectively, and the flat seal portion by the pair of second folds. And a third fold line for bending the protruding portion corresponding to the remaining one side inwardly of the end face to cover substantially the entire end face in a folded state, and the flat seal portion is formed by the third fold line. Is a structure for maintaining a folded state of the container.

請求項2の発明は、請求項1に記載した羊羹の包装容器の充填口封止構造において、前記羊羹の包装容器が、アルミ箔を含むラミネートフィルムにより構成されていることを特徴とする羊羹の包装容器の充填口封止構造である。 According to the invention of claim 2, in the filling mouth sealing structure for a packaging of yokan according to claim 1, the packaging of yokan is composed of a laminate film containing aluminum foil. It is a filling port sealing structure of a packaging container.

請求項3の発明は、請求項1又は2に記載した羊羹の包装容器の充填口封止構造において、前記羊羹の包装容器を覆う前記枠体としての外装箱を有し、前記外装箱の前記充填口側の端面の1辺には、前記第3の折り目によって折り曲げられた状態の前記扁平シール部を覆う内側フラップが設けられ、前記外装箱の前記1辺と対向する辺には、前記内側フラップの上に重ね合わされて該内側フラップと接着される外側フラップが設けられていることを特徴とする羊羹の包装容器の充填口封止構造である。 According to a third aspect of the present invention, in the filling port sealing structure of the yokan packaging container according to claim 1 or 2, there is provided an outer box as the frame body that covers the yokan packaging container, An inner flap is provided on one side of the end face on the filling port side to cover the flat seal portion in the state of being bent by the third fold, and the inner flap is provided on the side facing the one side of the outer box. The filling port sealing structure for a packaging container of yokan is characterized in that an outer flap is provided which is superposed on the flap and adhered to the inner flap.

請求項4の発明は、一端側が封止され且つ他端側が充填口として開口された筒状の羊羹の包装容器を、直方体形状の容積を有する枠体内にセットした状態で、加熱溶融された流動性を有する状態の羊羹を前記充填口から前記羊羹の包装容器に充填した後に、前記直方体形状の前記充填口側の端面の中央部に位置して前記直方体形状の長手方向へ延びる状態に前記充填口を内側に折り込まずに扁平に接着して扁平シール部を形成する第1の工程と、前記扁平シール部を、前記端面に沿って折り曲げる第2の工程と、前記端面に沿って折り曲げられた前記扁平シール部を第1のガイドプレートで押えた状態で、前記端面から外側に突出した該端面の3辺に対応する突出部分のうち対向する一対の辺に対応する突出部分を前記端面の内側にそれぞれ折り曲げた後前記第1のガイドプレートを退避させる第3の工程と、前記第3の工程後に、前記扁平シール部を前記第1のガイドプレートと直交する第2のガイドプレートで押えた状態で、前記端面の残りの1辺に対応する突出部分を前記端面の内側に折り曲げて前記端面の略全体を覆った後前記第2のガイドプレートを退避させる第4の工程と、を含むことを特徴とする羊羹の包装容器の充填口封止方法である。 In a fourth aspect of the present invention, a tube-shaped yokan packaging container having one end sealed and the other end opened as a filling port is set in a frame having a rectangular parallelepiped shape, and is heated and melted. After filling the yokan of the state having the property to the packaging container of the yokan from the filling port, the filling is placed in the central portion of the end face of the rectangular parallelepiped shape on the side of the filling port and extends in the longitudinal direction of the rectangular parallelepiped shape. The first step of forming a flat seal portion by flatly adhering without folding the mouth inward, the second step of folding the flat seal portion along the end surface, and the second step of folding along the end surface With the flat seal portion being pressed by the first guide plate, the protruding portions corresponding to a pair of opposite sides among the protruding portions corresponding to the three sides of the end surface protruding outward from the end surface are located inside the end surface. A third step of retracting the first guide plate after each bending, and a state in which the flat seal portion is pressed by a second guide plate orthogonal to the first guide plate after the third step. And a fourth step of bending the protruding portion corresponding to the remaining one side of the end surface to the inside of the end surface to cover substantially the entire end surface and then retracting the second guide plate. A method for sealing a filling port of a yokan packaging container characterized.

請求項5の発明は、請求項4に記載した羊羹の包装容器の充填口封止方法において、前記羊羹の包装容器として、アルミ箔を含むラミネートフィルムにより構成されたものを用いることを特徴とする羊羹の包装容器の充填口封止方法である。 According to a fifth aspect of the present invention, in the method for sealing the filling opening of the yokan packaging container according to the fourth aspect, the yokan packaging container is made of a laminate film containing aluminum foil. This is a method for sealing the filling port of a yokan packaging container.

請求項6の発明は、請求項4又は5に記載した羊羹の包装容器の充填口封止方法において、前記枠体として、前記充填口側の端面の1辺に内側フラップを有し且つ前記1辺と対向する辺に外側フラップを有する前記羊羹の包装容器の外装箱を用い、前記第4の工程で前記端面の残りの1辺に対応する突出部分を前記内側フラップで覆いながら折り曲げ、その後前記外側フラップを前記内側フラップに重ね合わせて接着することを特徴とする羊羹の包装容器の充填口封止方法である。 According to a sixth aspect of the present invention, in the method for sealing a filling port of a yokan packaging container according to the fourth or fifth aspect, the frame body has an inner flap on one side of an end face on the filling port side, and Using the outer box of the packaging container of the yokan having an outer flap on the side opposite to the side, the projecting portion corresponding to the remaining one side of the end face in the fourth step is bent while being covered with the inner flap, and then the A method for sealing a filling port of a yokan packaging container, characterized in that an outer flap is superposed on the inner flap and bonded.

請求項7の発明は、請求項6に記載した羊羹の包装容器の充填口封止方法において、前記第1の工程で前記扁平シール部を形成した後、前記外装箱に対して前記羊羹の包装容器を押し下げる工程を含むことを特徴とする羊羹の包装容器の充填口封止方法である。 According to a seventh aspect of the present invention, in the method for sealing a filling port of a yokan packaging container according to the sixth aspect, after the flat seal portion is formed in the first step, the yokan packaging is performed in the outer box. A method for sealing a filling port of a yokan packaging container, comprising a step of pushing down the container.

本発明によれば、充填口側の形崩れを抑制でき、羊羹のむき身の状態の美観及び高級感の向上に寄与することができる。 ADVANTAGE OF THE INVENTION According to this invention, the shape collapse of the filling port side can be suppressed, and it can contribute to the improvement of the aesthetics and the high-class feeling of the state of the body of a yokan.

本発明の実施の形態に係る羊羹の包装容器の基本の筒形状を示す斜視図である。It is a perspective view showing the basic cylindrical shape of the packaging container of yokan according to the embodiment of the present invention. 当該羊羹の包装容器に羊羹を充填するときの底面となる側の封止構造を示す図で、(a)はガゼット状に内側に折り込んだ状態を示す図、(b)はシールしてシール部を折り曲げた状態を示す図である。It is a figure which shows the sealing structure of the side used as the bottom face when filling a yokan in the said yokan packaging container, (a) is a figure which shows the state folded inward in a gusset shape, (b) is a seal and a sealing part. It is a figure which shows the state which bent. 当該羊羹の包装容器を外装箱にセットした状態の斜視図である。It is a perspective view of the state where the packaging container of the yokan is set in an outer box. 当該羊羹の包装容器の充填口側を開口し、流動性を有する状態の羊羹を充填する状態を示す斜視図である。It is a perspective view which shows the state which opens the filling opening side of the packaging container of the said yokan, and fills the yokan in the state of having fluidity. 羊羹充填後に当該羊羹の包装容器の充填口側をシールした状態を示す斜視図である。It is a perspective view showing the state where the filling mouth side of the packaging container of the yokan is sealed after the yokan is filled. 充填口側をシールした後に当該羊羹の包装容器を外装箱へ押し下げた状態を示す斜視図である。It is a perspective view showing the state where the packaging container of the yokan was pushed down to the outer box after sealing the filling port side. 図3Dの状態から扁平シール部を直方体形状の端面に沿って折り曲げた状態を示す斜視図である。FIG. 4 is a perspective view showing a state in which the flat seal portion is bent along the end surface of the rectangular parallelepiped shape from the state of FIG. 3D. 図3Eの状態から第1のガイドプレートで押えた状態で扁平シール部の両側を端面の内側へ折り曲げる途中の状態を示す斜視図である。FIG. 4B is a perspective view showing a state in which both sides of the flat seal portion are being bent from the state of FIG. 3E to the inside of the end face while being pressed by the first guide plate. 扁平シール部の両側を端面の内側へ折り曲げて第1のガイドプレートを退避させた状態を示す斜視図である。FIG. 6 is a perspective view showing a state in which both sides of the flat seal portion are bent to the inside of the end face and the first guide plate is retracted. 図3Gの状態から第2のガイドプレートで押えた状態で扁平シール部の残りの突出部を端面の内側へ折り曲げる途中の状態を示す斜視図である。FIG. 4B is a perspective view showing a state in which the remaining protruding portion of the flat seal portion is being bent from the state of FIG. 3G to the inside of the end face while being pressed by the second guide plate. 図3Hで示した残りの突出部を折り曲げて第2のガイドプレートを退避させた状態を示す斜視図である。FIG. 4 is a perspective view showing a state in which the remaining protrusions shown in FIG. 3H are bent to retract the second guide plate. 外装箱の外側フラップを閉じて接着した状態を示す斜視図である。It is a perspective view showing the state where the outside flap of the exterior box was closed and adhered. 当該羊羹の包装容器における充填口側の扁平シール部の完了状態を示す要部拡大斜視図である。It is a principal part expanded perspective view which shows the completion state of the flat sealing part by the side of the filling opening in the packaging container of the said yokan. 外装箱を用いない場合の羊羹の包装容器の封止完了状態を示す斜視図である。It is a perspective view which shows the sealing completed state of the packaging container of a yokan in the case where an exterior box is not used. 従来における充填口側の封止構造の一例を示す要部斜視図である。It is a principal part perspective view which shows an example of the conventional sealing structure at the side of a filling port.

以下、本発明の実施の形態に係る羊羹の包装容器の充填口封止構造及び羊羹の包装容器の充填口封止方法を図面にしたがって説明する。 Hereinafter, a filling port sealing structure for a yokan packaging container and a filling port sealing method for a yokan packaging container according to an embodiment of the present invention will be described with reference to the drawings.

図1は、本実施の形態に係る羊羹の包装容器1の基本となる筒形状を示している。羊羹の包装容器1は、枠体への形状追従性の高いアルミ箔を基体とした矩形シート状のラミネートフィルム3を筒状に折り曲げて構成されている。アルミ箔の内外表面は熱封止可能な素材(例えば熱可塑性ポリマー層)を備えている。
羊羹の包装容器1は、オーバーラップ部分Wを有する筒状に形成され、オーバーラップ部分Wの一部(ハッチング部分)を長手方向に熱溶着(ヒートシール)している。充填前の段階では丸みを有する筒状(断面楕円形状を含む)であるが、充填後には充填圧力で枠体の内部形状に沿った断面長方形状となる。図1において、符号1aは羊羹の包装容器1の底面側を、1bは充填口側を示している。
FIG. 1 shows a basic cylindrical shape of a yokan packaging container 1 according to the present embodiment. The yokan packaging container 1 is configured by bending a rectangular sheet-shaped laminate film 3 based on an aluminum foil, which is highly conformable to a frame, into a tubular shape. The inner and outer surfaces of the aluminum foil are provided with a heat-sealable material (for example, a thermoplastic polymer layer).
The yokan packaging container 1 is formed in a tubular shape having an overlapping portion W, and a part (hatching portion) of the overlapping portion W is heat-welded (heat-sealed) in the longitudinal direction. It has a rounded tubular shape (including an elliptical cross-section) at the stage before filling, but after filling it has a rectangular cross-section along the internal shape of the frame due to the filling pressure. In FIG. 1, reference numeral 1a indicates the bottom side of the yokan packaging container 1, and 1b indicates the filling port side.

羊羹の包装容器1の底面側1aは、図2(a)に示すように、短辺側にガゼット状の内側への折り込み部5を形成してヒートシールし、ヒートシール部7を、図2(b)に示すように直方体形状の端面に平行に寝かせた(折り畳んだ)構成としている。ガゼット式の折り込み部9を有しているので、その形状が凝固形状に転写されるが、アルミ箔の高い形状追従性により、充填時の圧力で略平坦になるので凝固後の形崩れは殆ど無い。 As shown in FIG. 2A, the bottom side 1a of the yokan packaging container 1 is heat-sealed by forming a gusset-shaped inwardly-folded portion 5 on the short side and heat-sealing the heat-sealing portion 7 as shown in FIG. As shown in (b), it has a configuration in which it is laid (folded) parallel to the end face of the rectangular parallelepiped shape. Since it has the gusset type folding part 9, its shape is transferred to the solidified shape, but due to the high shape conformability of the aluminum foil, it becomes substantially flat under the pressure at the time of filling, so that the shape after solidification almost disappears. There is no.

図3に基づいて、本実施の形態に係る羊羹の包装容器1の充填口封止構造及び封止方法を詳細に説明する。
図3Aに示すように、羊羹の包装容器1はその外側が枠体を兼ねる紙製の外装箱2で覆われている。
外装箱2の底面側は封止されていると共に、ミシン目を有する半円形の開片2aが設けられている。開片2aを押し込んで切り離すことにより底面側を容易に開けることができるようになっている。外装箱2の表面には商品の材料表示やアピールするための印刷が施されており、開片2aを有する側が商品の上側となる。
図3Aにおける符号11は光学系のセンサによる位置検知用のマークを示している(図1では省略)。
Based on FIG. 3, a filling port sealing structure and a sealing method of the yokan packaging container 1 according to the present embodiment will be described in detail.
As shown in FIG. 3A, the outer casing of the yokan packaging container 1 is covered with a paper outer casing 2 which also serves as a frame.
The bottom side of the outer box 2 is sealed, and a semicircular opening piece 2a having perforations is provided. The bottom surface side can be easily opened by pushing in and separating the opening piece 2a. Printing is performed on the surface of the outer box 2 to display the material of the product or to make an appeal, and the side having the opening 2a is the upper side of the product.
Reference numeral 11 in FIG. 3A indicates a mark for position detection by an optical system sensor (omitted in FIG. 1).

外装箱2の商品での下側となる部分の長方形の一辺(長辺)には、内側フラップ2bが設けられているとともに、対向する長辺には内側フラップ2bの上に重ね合わされて該内側フラップ2bと接着される外側フラップ2cが設けられている。
内側フラップ2bと外側フラップ2cとが外側に開いた状態の外装箱2に底面側を封止した羊羹の包装容器1がセットされた状態で、不図示の搬送装置で搬送される。このセット構成は、製造効率を上げるために、2つ以上の処理数を1組として搬送される。
外装箱2にセットされた羊羹の包装容器1が所定位置に来ると搬送装置が停止され、図3Bに示すように、羊羹の包装容器1の充填口側を開口するための一対の開口片13が互いに接近した状態で下降して充填口15に進入し、その後所定寸法離間して充填口15を強制開口する。
この状態で、ノズル17が下降して充填口15に臨み、ノズル17から加熱溶融された流動性を有する状態の羊羹が羊羹の包装容器1内に所定量充填される。
充填が完了すると、ノズル17及び一対の開口片13が上昇・退避し、羊羹の包装容器1は次のシール工程へ搬送される。
An inner flap 2b is provided on one side (long side) of the rectangle of the lower side of the outer box 2 in the product, and on the opposite long side, the inner flap 2b is superposed on the inner flap 2b. An outer flap 2c is provided which is adhered to the flap 2b.
In a state in which the packaging container 1 made of yokan with the bottom side sealed is set in the outer box 2 in which the inner flap 2b and the outer flap 2c are opened to the outside, it is transported by a transport device (not shown). In this set configuration, two or more processes are carried as one set in order to improve manufacturing efficiency.
When the yokan packaging container 1 set in the outer box 2 comes to a predetermined position, the conveying device is stopped, and as shown in FIG. 3B, a pair of opening pieces 13 for opening the filling port side of the yokan packaging container 1 are opened. Move downward in the state of approaching each other and enter the filling port 15, and then the filling port 15 is forcibly opened with a predetermined distance.
In this state, the nozzle 17 descends and faces the filling port 15, and a predetermined amount of fluidized yokan which is heated and melted from the nozzle 17 is filled in the yokan packaging container 1.
When the filling is completed, the nozzle 17 and the pair of opening pieces 13 are raised and retracted, and the yokan packaging container 1 is conveyed to the next sealing step.

図3Cに示すように、シール工程では、加熱溶融された流動性を有する状態の羊羹を充填口15から充填した後に、直方体形状の充填口15側の端面の中央部に位置して直方体形状の長手方向へ延びる状態に充填口15を内側に折り込まずに扁平に接着して扁平シール部19を形成する(第1の工程)。
「直方体形状」とは、枠体の内容積に対応する仮想の形状で、ここでは外装箱2の内容積に対応する仮想の形状を意味する。この直方体形状は、最終的に冷却凝固した羊羹の形状に相当する。
As shown in FIG. 3C, in the sealing step, after heating and melting the yokan in a state of having fluidity through the filling port 15, the rectangular parallelepiped-shaped one is located at the center of the end face of the rectangular parallelepiped filling port 15 side. The filling port 15 is not folded inward in a state of extending in the longitudinal direction but is flatly adhered to form the flat seal portion 19 (first step).
The “rectangular parallelepiped shape” is a virtual shape corresponding to the inner volume of the frame body, and here means a virtual shape corresponding to the inner volume of the exterior box 2. This rectangular parallelepiped shape corresponds to the shape of the yokan that is finally cooled and solidified.

図4に示すように、扁平シール部19は、直方体形状の充填口15側の端面21の中央部に位置して直方体形状の長手方向(矢印Y方向)へ延びる状態に、複数箇所をライン状にヒートシールされる。充填口15を内側に折り込まないため、扁平シール部19を形成すると、端面(平面)21の短辺21a、21bから外側に突出する三角形状の突出部分23a、23bが存在する。
市販されているジュース等の紙製容器では、図6に示すように、突出部分50を外側に折り曲げて接着することが行われているが、このようにした場合、外装箱2のサイズを大きくしなければならないとともに、外装箱2と羊羹の包装容器1との間に空隙が生じる部分が存在することになる。図6において符号52は合掌シール部を示している。
さらに、突出部分50を外側に折り曲げるときに角部に応力が掛かって角部の形崩れが発生する。
このような不具合も考慮して、本実施の形態に係る羊羹の包装容器1では、後述するように羊羹の包装容器1の突出部分23a、23bを端面21の内側へ、折り曲げ時の圧力が掛からないようにガイドプレートを使って折り曲げるようにしている。
図3Cにおいて、扁平シール部19の下端ラインL1は、扁平シール部19を端面21に沿うように折り曲げるための第1の折り目となる。第1の折り目L1と直交するライン25は、ラミネートフィルム3のオーバーラップ部分Wにおける外側の端縁を示している。
As shown in FIG. 4, the flat seal portion 19 is located at the central portion of the end face 21 of the rectangular parallelepiped-shaped filling port 15 side and extends in the longitudinal direction of the rectangular parallelepiped (the direction of the arrow Y) in a plurality of linear shapes. It is heat-sealed. Since the filling port 15 is not folded inward, when the flat seal portion 19 is formed, there are triangular protruding portions 23a and 23b protruding outward from the short sides 21a and 21b of the end face (flat surface) 21.
In a commercially available paper container for juice or the like, as shown in FIG. 6, the protruding portion 50 is bent outward and adhered. However, in this case, the size of the outer box 2 is increased. In addition to this, there is a space between the outer box 2 and the yokan packaging container 1. In FIG. 6, reference numeral 52 indicates a gastric seal part.
Furthermore, when the protruding portion 50 is bent outward, stress is applied to the corners, causing the corners to lose shape.
In consideration of such a problem, in the yokan packaging container 1 according to the present embodiment, as will be described later, the protruding portions 23a and 23b of the yokan packaging container 1 are placed inside the end surface 21 from the pressure during bending. The guide plate is used to bend it so that it does not exist.
In FIG. 3C, the lower end line L1 of the flat seal portion 19 is a first fold line for folding the flat seal portion 19 along the end face 21. The line 25 orthogonal to the first fold line L1 indicates the outer edge of the overlapping portion W of the laminate film 3.

扁平シール部19の形成が完了すると、図3Dに示すように、不図示のプッシャーが下降し、外装箱2に対して羊羹の包装容器1を押し下げる工程が実施される。扁平シール部19を形成するための余裕を持たせるために羊羹の包装容器1は予め外装箱2に対して若干浮き上がった状態にセットされており、扁平シール部19を形成した後の端面21と外装箱2の端面とを一致させるため押し下げられる。 When the formation of the flat seal portion 19 is completed, as shown in FIG. 3D, a pusher (not shown) descends, and a step of pushing down the yokan packaging container 1 against the outer box 2 is performed. In order to provide a margin for forming the flat seal portion 19, the yokan packaging container 1 is set in advance in a state of being slightly raised with respect to the outer box 2, and the end face 21 after the flat seal portion 19 is formed. It is pushed down to match the end surface of the outer box 2.

押し下げ工程が完了すると、図3Eに示すように、羊羹の包装容器1は折り曲げの位置に搬送され、ここで不図示の折り曲げ部材が水平方向に延びて扁平シール部19を端面21に沿うように第1の折り目L1により折り曲げる(第2の工程)。
図3Eから明らかなように、扁平シール部19は、水平に折り曲げて寝かせたときにその先端部が端面21の長辺21c(図4参照)から外側に突出し、内側フラップ2bに重なる大きさを有している。
扁平シール部19の折り曲げが完了すると、羊羹の包装容器1はサイド折り曲げ部位へ搬送される。図3Fに示すように、端面21の長辺21cと同等の幅を有する当て板としての第1のガイドプレート27が下降して扁平シール部19の上面を押える。この状態で、不図示のサイド折り曲げ片が動作(回動)して、図3Gに示すように、端面21の短辺21a、21bに沿って突出部分23a、23bを含む両側を端面21の内側に折り曲げる。
この折り曲げによって形成される両側のラインL2、L3は、第1の折り目L1によって扁平シール部19を折り曲げた状態で、端面21から外側に突出した端面21の3辺に対応する突出部分のうち対向する一対の辺(短辺21a、21b)に対応する突出部分を端面21の内側にそれぞれ折り曲げるための一対の第2の折り目となる。
一対の第2の折り目L2、L3を形成した後、第1のガイドプレート27が水平方向に退避する(第3の工程)。
When the pushing-down step is completed, as shown in FIG. 3E, the yokan packaging container 1 is conveyed to the folding position, where a folding member (not shown) extends in the horizontal direction so that the flat seal portion 19 extends along the end face 21. Bending is performed along the first fold line L1 (second step).
As is clear from FIG. 3E, the flat seal portion 19 has a size such that the tip portion thereof projects outward from the long side 21c (see FIG. 4) of the end surface 21 when it is folded horizontally and laid down, and overlaps the inner flap 2b. Have
When the folding of the flat seal portion 19 is completed, the yokan packaging container 1 is transported to the side folding portion. As shown in FIG. 3F, the first guide plate 27 as a backing plate having a width equal to the long side 21c of the end face 21 descends and presses the upper surface of the flat seal portion 19. In this state, the side bending piece (not shown) operates (rotates), and as shown in FIG. 3G, both sides including the projecting portions 23a and 23b along the short sides 21a and 21b of the end face 21 are positioned inside the end face 21. Fold it in.
The lines L2 and L3 on both sides formed by this bending are opposed to each other in the protruding portions corresponding to the three sides of the end face 21 protruding outward from the end face 21 in a state where the flat seal portion 19 is bent by the first fold L1. A pair of second folds for bending the protruding portions corresponding to the pair of sides (short sides 21a, 21b) inside the end face 21 respectively.
After forming the pair of second folds L2 and L3, the first guide plate 27 is retracted in the horizontal direction (third step).

第1のガイドプレート27で両サイドにおける折り曲げ圧力を受けるので、充填口15側の端面の形崩れは生じない。すなわち、第1のガイドプレート27は実質的に外装箱2の端面で支持されるため、折り曲げ圧力は羊羹の包装容器1の充填口15側に及ばない。換言すれば、第1のガイドプレート27は、折り曲げ圧力を受ける剛体として機能する。 Since the first guide plate 27 receives the bending pressure on both sides, the end face on the filling port 15 side does not lose its shape. That is, since the first guide plate 27 is substantially supported by the end surface of the outer casing 2, the bending pressure does not reach the filling port 15 side of the yokan packaging container 1. In other words, the first guide plate 27 functions as a rigid body that receives bending pressure.

第3の工程が完了すると、羊羹の包装容器1は内側フラップ2bを曲げる部位へ搬送される。ここでは図3Hに示すように、端面21の短辺21a、21bと同等の幅を有し第1のガイドプレート27と直交する方向に延びる当て板としての第2のガイドプレート29が下降して、図3Gで示した折り曲げ状態を上から押え付ける。
扁平シール部19を第2のガイドプレート29で押えた状態で、端面21の残りの1辺(長辺)21cに対応する突出部分23cを不図示の折り曲げ部材で端面21の内側に折り曲げて端面21の略全体を覆った後、第2のガイドプレート29を水平に退避させる(第4の工程)。
この折り曲げによって形成されるラインL4は、一対の第2の折り目L2、L3によって扁平シール部19を折り曲げた状態で、残りの1辺21cに対応する突出部分23cを端面21の内側に折り曲げて端面21の略全体を覆うための第3の折り目となる。
図3Iに示すように、突出部分23cは内側フラップ2bで覆いながら不図示の折り曲げ部材の動作により折り曲げられる。内側フラップ2bの外面には、外側フラップ2cを接着するための接着層31が設けられている。
When the third step is completed, the yokan packaging container 1 is conveyed to a portion where the inner flap 2b is bent. Here, as shown in FIG. 3H, the second guide plate 29 as a backing plate having the same width as the short sides 21a and 21b of the end face 21 and extending in the direction orthogonal to the first guide plate 27 descends. , The bent state shown in FIG. 3G is pressed from above.
With the flat seal portion 19 held by the second guide plate 29, the protruding portion 23c corresponding to the remaining one side (long side) 21c of the end face 21 is bent inside the end face 21 by a bending member (not shown). After covering substantially all of 21, the second guide plate 29 is horizontally retracted (fourth step).
The line L4 formed by this bending is a state in which the flat seal portion 19 is bent by the pair of second folds L2, L3, and the protruding portion 23c corresponding to the remaining one side 21c is bent inside the end surface 21 to form the end surface. It becomes a third fold line for covering substantially the whole of 21.
As shown in FIG. 3I, the protruding portion 23c is bent by the operation of a bending member (not shown) while being covered with the inner flap 2b. An adhesive layer 31 for bonding the outer flap 2c is provided on the outer surface of the inner flap 2b.

第4の工程においても、第2のガイドプレート29は第1のガイドプレート27と同様に、実質的に外装箱2の端面で支持されるため、折り曲げ圧力は羊羹の包装容器1の充填口15側に及ばない。したがって、折り曲げ圧力による形崩れを回避することができる。 Also in the fourth step, since the second guide plate 29 is substantially supported by the end surface of the outer box 2 like the first guide plate 27, the bending pressure is the filling port 15 of the yokan packaging container 1. It does not reach the side. Therefore, it is possible to avoid the deformation due to the bending pressure.

第4の工程が完了すると、羊羹の包装容器1は外側フラップ2cを曲げる部位へ搬送される。ここでは図3Jに示すように、不図示の折り曲げ部材の動作により、外側フラップ2cが端面21の内側に折り曲げられて内側フラップ2bに重ね合わせられ、接着層31を介して内側フラップ2bに接着される。
これにより、商品としての下側は外装箱2が完全に閉じた状態となる。内側フラップ2bと外側フラップ2cとの接着により、第3の折り目L4によって扁平シール部19を折り曲げた状態が外装箱2で押え付けられて維持される。
包装が完了した商品33(図3J)は、不図示の排出部位へ搬送され、ここで不図示のプッシャーで押し出されて搬送コンベアに載せられ、箱詰工程部位へ移送される。
When the fourth step is completed, the yokan packaging container 1 is transported to a portion where the outer flap 2c is bent. Here, as shown in FIG. 3J, the outer flap 2c is folded inside the end face 21 and overlapped with the inner flap 2b by the operation of a folding member (not shown), and is bonded to the inner flap 2b via the adhesive layer 31. It
As a result, the exterior box 2 is completely closed on the lower side of the product. Due to the adhesion of the inner flap 2b and the outer flap 2c, the state in which the flat seal portion 19 is bent by the third fold line L4 is pressed and maintained by the outer box 2.
The packaged product 33 (FIG. 3J) is transported to a discharge site (not shown), pushed out by a pusher (not shown), placed on a transport conveyor, and transferred to a packaging process site.

本実施の形態では、各工程が別々のステージで行われるように説明したが、1つのステージで複数の工程を行うようにして、ステージ数を少なく(搬送距離を短く)してもよい。 In this embodiment, each step is described as being performed in a separate stage, but a single stage may perform a plurality of steps to reduce the number of stages (conveyance distance is short).

図5は、外装箱2を用いない場合の羊羹の包装容器1を示している。この場合には、第3の折り目L4で折り曲げられた状態で突出部分23cの内側が接着されてその状態が維持される。外装箱2を有する場合には、上述のように突出部分23cを接着しなくても内側フラップ2bに外側フラップ2cが接着されることにより、第3の折り目L4で折り曲げられた状態が維持される。
図5において符号35は羊羹の包装容器1を開封するための引き裂き片を示している。上述した実施の形態では図示していないが、外装箱2を用いる場合にも羊羹の包装容器1は引き裂き片35を有している。
FIG. 5 shows a packaging container 1 for yokan without the outer box 2. In this case, the inside of the protruding portion 23c is adhered in the state of being bent at the third fold line L4 and the state is maintained. When the exterior box 2 is provided, the outer flap 2c is adhered to the inner flap 2b without adhering the protruding portion 23c as described above, so that the state of being bent at the third fold L4 is maintained. ..
In FIG. 5, reference numeral 35 indicates a tearing piece for opening the yokan packaging container 1. Although not shown in the above-described embodiment, the yokan packaging container 1 also has a tear piece 35 when the exterior box 2 is used.

以上、本発明の実施の形態について詳述してきたが、具体的構成は、この実施の形態に限られるものではなく、本発明の要旨を逸脱しない範囲における設計の変更などがあっても発明に含まれる。
例えば、本実施の形態で充填口側ではガゼット形状を有しないが、ガゼット形状を有している袋であっても上記と同様に折り曲げることにより、形崩れを防止できる。また、上記の実施の形態では羊羹の包装容器の材料としてアルミ箔を基体としたラミネートフィルムを例示したが、全体を合成樹脂製の材料で形成してもよい。
上記実施の形態ではシール方法としてヒートシールを示したが、本発明はこれに限定されず超音波シール等、他のシール方法を用いてもよいのは勿論である。
Although the embodiment of the present invention has been described in detail above, the specific configuration is not limited to this embodiment, and even if there is a design change or the like within a range not departing from the gist of the present invention, included.
For example, in the present embodiment, the filling port side does not have a gusset shape, but even a bag having a gusset shape can be prevented from deforming by bending in the same manner as above. Further, in the above-mentioned embodiment, the laminate film using aluminum foil as a base is exemplified as the material for the yokan packaging container, but the whole material may be formed of a synthetic resin material.
Although heat sealing is shown as the sealing method in the above-mentioned embodiment, the present invention is not limited to this, and it goes without saying that another sealing method such as ultrasonic sealing may be used.

1…羊羹の包装容器 2…枠体としての外装箱 2b…内側フラップ
2c…外側フラップ 3…ラミネートフィルム 15…充填口
19…扁平シール部 21…端面 21a、21b…対向する一対の辺
21c…残りの1辺 23a、23b、23c…突出部分
L1…第1の折り目 L2、L3…一対の第2の折り目 L4…第3の折り目
DESCRIPTION OF SYMBOLS 1... Packaging container for yokan 2... Exterior box 2b... Inner flap 2c... Outer flap 3... Laminated film 15... Filling port 19... Flat seal part 21... End faces 21a, 21b... Pair of opposite sides 21c... Remaining Side 23a, 23b, 23c... Projection portion L1... First fold line L2, L3... Pair of second fold lines L4... Third fold line

Claims (7)

一端側が封止され且つ他端側が充填口として開口された筒状の羊羹の包装容器を、直方体形状の容積を有する枠体内にセットした状態で加熱溶融された流動性を有する状態の羊羹を前記充填口から充填した後前記充填口を封止してなる羊羹の包装容器の充填口封止構造であって、
前記直方体形状の前記充填口側の端面の中央部に位置して前記直方体形状の長手方向へ延びる状態に前記充填口を内側に折り込まずに扁平に接着してなる扁平シール部を有し、
前記扁平シール部は、前記端面に沿うように折り曲げるための第1の折り目と、前記第1の折り目によって前記扁平シール部を折り曲げた状態で、前記端面から外側に突出した該端面の3辺に対応する突出部分のうち対向する一対の辺に対応する突出部分を前記端面の内側にそれぞれ折り曲げるための一対の第2の折り目と、前記一対の第2の折り目によって前記扁平シール部を折り曲げた状態で、残りの1辺に対応する突出部分を前記端面の内側に折り曲げて前記端面の略全体を覆うための第3の折り目とを有し、前記第3の折り目によって前記扁平シール部を折り曲げた状態を維持するように構成されていることを特徴とする羊羹の包装容器の充填口封止構造。
One end side is sealed and the other end side is opened as a filling port of a cylindrical container for yokan, the yokan in the state of having fluidity is heated and melted in a state of being set in a frame having a rectangular parallelepiped shape volume. A filling port sealing structure of a packaging container of yokan which is obtained by sealing the filling port after filling from the filling port,
There is a flat seal portion formed by adhering to the filling port in a flat state without folding the filling port inward in a state of extending in the longitudinal direction of the rectangular parallelepiped located at the center of the end face on the filling port side of the rectangular parallelepiped shape,
The flat seal portion has a first fold line for bending along the end face, and three flat sides of the end face projecting outward from the end face in a state where the flat seal portion is folded by the first fold line. A state in which the flat seal portion is bent by the pair of second folds for bending the projecting portions corresponding to the pair of opposite sides of the corresponding projecting portions to the inside of the end surface, respectively. And has a third fold line for bending the protruding portion corresponding to the remaining one side to the inside of the end face to cover substantially the entire end face, and the flat seal portion is bent by the third fold line. A filling port sealing structure for a yokan packaging container, which is configured to maintain a state.
請求項1に記載した羊羹の包装容器の充填口封止構造において、
前記羊羹の包装容器が、アルミ箔を含むラミネートフィルムにより構成されていることを特徴とする羊羹の包装容器の充填口封止構造。
In the filling port sealing structure of the yokan packaging container according to claim 1,
A filling port sealing structure for a yokan packaging container, wherein the yokan packaging container is formed of a laminated film containing an aluminum foil.
請求項1又は2に記載した羊羹の包装容器の充填口封止構造において、
前記羊羹の包装容器を覆う前記枠体としての外装箱を有し、前記外装箱の前記充填口側の端面の1辺には、前記第3の折り目によって折り曲げられた状態の前記扁平シール部を覆う内側フラップが設けられ、前記外装箱の前記1辺と対向する辺には、前記内側フラップの上に重ね合わされて該内側フラップと接着される外側フラップが設けられていることを特徴とする羊羹の包装容器の充填口封止構造。
In the filling port sealing structure of the yokan packaging container according to claim 1 or 2,
There is an exterior box as the frame that covers the yokan packaging container, and the flat seal portion in a state of being bent by the third fold is provided on one side of the end face of the exterior box on the filling port side. An inner flap for covering is provided, and an outer flap, which is overlapped with the inner flap and adhered to the inner flap, is provided on a side of the outer box facing the one side. The filling port sealing structure of the packaging container.
一端側が封止され且つ他端側が充填口として開口された筒状の羊羹の包装容器を、直方体形状の容積を有する枠体内にセットした状態で、加熱溶融された流動性を有する状態の羊羹を前記充填口から前記羊羹の包装容器に充填した後に、前記直方体形状の前記充填口側の端面の中央部に位置して前記直方体形状の長手方向へ延びる状態に前記充填口を内側に折り込まずに扁平に接着して扁平シール部を形成する第1の工程と、
前記扁平シール部を、前記端面に沿って折り曲げる第2の工程と、
前記端面に沿って折り曲げられた前記扁平シール部を第1のガイドプレートで押えた状態で、前記端面から外側に突出した該端面の3辺に対応する突出部分のうち対向する一対の辺に対応する突出部分を前記端面の内側にそれぞれ折り曲げた後前記第1のガイドプレートを退避させる第3の工程と、
前記第3の工程後に、前記扁平シール部を前記第1のガイドプレートと直交する第2のガイドプレートで押えた状態で、前記端面の残りの1辺に対応する突出部分を前記端面の内側に折り曲げて前記端面の略全体を覆った後前記第2のガイドプレートを退避させる第4の工程と、
を含むことを特徴とする羊羹の包装容器の充填口封止方法。
A cylindrical yokan packaging container having one end sealed and the other end opened as a filling port, in a state of being set in a frame having a rectangular parallelepiped-shaped volume, the melted and heated yokan After filling the packaging container of the yokan from the filling port, the filling port is not folded inward in a state of being located in the central portion of the end face on the filling port side of the rectangular parallelepiped shape and extending in the longitudinal direction of the rectangular parallelepiped shape. A first step of forming a flat seal portion by adhering to a flat surface;
A second step of bending the flat seal portion along the end face;
Corresponding to a pair of opposite sides of the protruding portions corresponding to the three sides of the end surface protruding outward from the end surface in a state where the flat seal portion bent along the end surface is pressed by the first guide plate. A third step of retracting the first guide plate after bending the protruding portions to be bent inside the end surface, respectively,
After the third step, in a state where the flat seal portion is pressed by the second guide plate orthogonal to the first guide plate, a protruding portion corresponding to the remaining one side of the end surface is placed inside the end surface. A fourth step of bending and covering substantially the entire end surface, and then retracting the second guide plate;
A method for sealing a filling port of a yokan packaging container, which comprises:
請求項4に記載した羊羹の包装容器の充填口封止方法において、
前記羊羹の包装容器として、アルミ箔を含むラミネートフィルムにより構成されたものを用いることを特徴とする羊羹の包装容器の充填口封止方法。
The method for sealing a filling port of a yokan packaging container according to claim 4,
The filling container sealing method for a yokan packaging container, wherein the yokan packaging container is made of a laminate film containing aluminum foil.
請求項4又は5に記載した羊羹の包装容器の充填口封止方法において、
前記枠体として、前記充填口側の端面の1辺に内側フラップを有し且つ前記1辺と対向する辺に外側フラップを有する前記羊羹の包装容器の外装箱を用い、前記第4の工程で前記端面の残りの1辺に対応する突出部分を前記内側フラップで覆いながら折り曲げ、その後前記外側フラップを前記内側フラップに重ね合わせて接着することを特徴とする羊羹の包装容器の充填口封止方法。
A method for sealing a filling port of a yokan packaging container according to claim 4 or 5,
As the frame body, using the outer box of the packaging container of the yokan having an inner flap on one side of the end face on the filling port side and an outer flap on a side opposite to the one side, in the fourth step, A method for sealing a filling container of a yokan packaging container, which is characterized in that the protruding portion corresponding to the remaining one side of the end face is folded while being covered with the inner flap, and then the outer flap is overlapped and adhered to the inner flap. ..
請求項6に記載した羊羹の包装容器の充填口封止方法において、
前記第1の工程で前記扁平シール部を形成した後、前記外装箱に対して前記羊羹の包装容器を押し下げる工程を含むことを特徴とする羊羹の包装容器の充填口封止方法。
The method for sealing a filling port of a yokan packaging container according to claim 6,
A method of sealing a filling port of a yokan packaging container, comprising the step of pushing down the yokan packaging container with respect to the outer box after forming the flat seal portion in the first step.
JP2019009998A 2019-01-24 2019-01-24 Filling port sealing structure of jellied bean paste packaging container and filling port sealing method of jellied bean paste packaging container Pending JP2020117274A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5414880U (en) * 1977-07-04 1979-01-31
JPS62132989U (en) * 1986-02-14 1987-08-21
JPH0272006A (en) * 1988-09-01 1990-03-12 Okabe Lock:Kk Device for closing baglike sheet and apparatus
JP2004083046A (en) * 2002-08-26 2004-03-18 Toppan Printing Co Ltd Heat-sealing method for opening face in packaging machine, and tight-finishing device using the heat-sealing method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5414880U (en) * 1977-07-04 1979-01-31
JPS62132989U (en) * 1986-02-14 1987-08-21
JPH0272006A (en) * 1988-09-01 1990-03-12 Okabe Lock:Kk Device for closing baglike sheet and apparatus
JP2004083046A (en) * 2002-08-26 2004-03-18 Toppan Printing Co Ltd Heat-sealing method for opening face in packaging machine, and tight-finishing device using the heat-sealing method

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