JP2009001324A - Packaging material for processed rice food - Google Patents

Packaging material for processed rice food Download PDF

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JP2009001324A
JP2009001324A JP2007166460A JP2007166460A JP2009001324A JP 2009001324 A JP2009001324 A JP 2009001324A JP 2007166460 A JP2007166460 A JP 2007166460A JP 2007166460 A JP2007166460 A JP 2007166460A JP 2009001324 A JP2009001324 A JP 2009001324A
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food
film
outer film
sheet
cooked rice
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JP5174382B2 (en
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Yoichi Ishikawa
陽一 石川
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Howa Sangyo KK
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Howa Sangyo KK
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a packaging material of a processed rice food capable of packaging a processed rice food and a sheet-like food with both the foods separate from each other to prevent moisture of the processed rice food from reaching the sheet-like food and capable of being opened without breakage of the sheet-like food during opening. <P>SOLUTION: In the packaging material of the processed rice food having an outer film separable in a widthwise direction and an inner film superposed on the outer film with the sheet-like food placed between the outer and inner films and separable in the same direction as the outer film, the outer film has at least two lines of cutting auxiliary means arranged side by side in a widthwise direction along the whole length, a pinch part containing an end of each cutting auxiliary means being formed in at least either one of the ends, two strips of the cutting auxiliary means separating from each other to form an expanded part; and the inner film has a half cut extending in a widthwise direction or in a direction perpendicular or approximately perpendicular to a sheet of a film. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、米飯を塊状に加工した米飯加工食品と、該米飯加工食品と一緒に食されるシート状食品とを分離した状態で包装し、開封時に米飯加工食品とシート状食品とを一体的にすることのできる米飯加工食品用包装材に関する。   The present invention wraps a processed cooked rice product obtained by processing cooked rice into a lump and a sheet food eaten together with the cooked rice processed food, and integrates the cooked rice processed food and the sheet food at the time of opening. The present invention relates to a packaging material for processed rice food that can be made.

従来から、スーパーやコンビニエンスストア等の店舗で販売される米飯加工食品の包装形態として、米飯加工食品とシート状食品とを分離した状態で包装し、開封時に米飯加工食品とシート状食品とを一体的にして食すことのできる状態になるものが主流になっている。   Traditionally, as a packaging format for processed rice food sold at stores such as supermarkets and convenience stores, the processed rice food and sheet food are packaged separately, and the processed rice food and sheet food are integrated when opened. Things that are ready to eat are becoming mainstream.

かかる包装に採用される米飯加工食品用包装材は、幅方向に分割可能に構成された外フィルムと、シート状食品を介して外フィルムに重ね合わされ、外フィルムと同方向に分離可能に構成された内フィルムとを備え、介装したシート状食品を囲むように外フィルムと内フィルムとがシールされている。   The packaged food for cooked rice used in such packaging is configured so that it can be separated in the same direction as the outer film, with the outer film configured to be split in the width direction and the outer film via the sheet-like food. The inner film is sealed, and the outer film and the inner film are sealed so as to surround the interposed sheet-like food.

外フィルムは、一般的に幅方向の中央に長さ方向に切断するためのカットテープが設けられており、そのカットテープで長さ方向に切断することで幅方向に二分割できるようになっている。他方、内フィルムは、外フィルムの幅方向に並列に配置された二枚のフィルムで構成されており、二枚のフィルムが外フィルムと同方向に分離できるようになっている。   The outer film is generally provided with a cut tape for cutting in the length direction at the center in the width direction, and can be divided into two in the width direction by cutting in the length direction with the cut tape. Yes. On the other hand, the inner film is composed of two films arranged in parallel in the width direction of the outer film, and the two films can be separated in the same direction as the outer film.

上記構成の米飯加工食品用包装材は、内フィルム（並列に配置された二枚のフィルム）上に米飯加工食品を配置した状態で、長さ方向で二つ折りにして対向する端部同士をヒートシールすることで、米飯加工食品とシート状食品とを内フィルムで分離した状態にして包装できるようになっている。   The packaging material for cooked rice processed food of the above configuration heats the ends facing each other by folding in half the length direction with the cooked rice food disposed on the inner film (two films arranged in parallel). By sealing, the cooked rice processed food and the sheet-like food can be packaged in a state separated by an inner film.

そして、該米飯加工食品用包装材は、外フィルムを長さ方向に切断した上で幅方向に引っ張ることで、二分割された外フィルム及び内フィルム（二枚のフィルム）をそれぞれ離間（分離）させ、シート状食品と米飯加工食品との間から内フィルム（二枚のフィルム）を引き抜くようになっている。これにより、開封に併せてシート状食品と米飯加工食品とを一体的にして食すことのできる状態になるようになっている（例えば、特許文献１参照）。
特開２００５−０９５１１１号公報 The packaged food for cooked rice processed food is separated (separated) from the outer film and the inner film (two films) divided into two parts by cutting the outer film in the length direction and pulling in the width direction. The inner film (two films) is pulled out between the sheet-like food and the cooked rice processed food. Thereby, it will be in the state which can eat a sheet-like food and cooked-rice processed food integrally in connection with opening (for example, refer patent document 1).
JP 2005-095111 A

しかしながら、上記構成の米飯加工食品用包装材は、内フィルムが独立した二枚のフィルムを横並びに配置したものであるため、米飯加工食品を包装した状態で、米飯加工食品の水分がフィルム間を通ってシート状食品に到達してしまい、シート状食品の食感や味を低下させるといった問題がある。   However, since the packaging material for cooked rice processed food having the above-mentioned structure is a film in which two inner films are arranged side by side, the moisture of the cooked rice processed food remains between the films in a state where the cooked rice cooked food is packaged. There is a problem that the sheet-like food is passed through and the texture and taste of the sheet-like food are lowered.

かかる問題を鑑み、内フィルムを構成する二枚のフィルムの端部同士を弱シールし、二枚のフィルムを分離可能としつつも、該フィルム間で水分が通過するのを阻止するようにしたものがあるが、弱シールの強度によっては、二枚にフィルムが分離しにくくなったり、水分を完全に遮断できなかったりする場合がある。すなわち、二枚のフィルムの弱シール強度が高すぎると、二枚のフィルム同士が剥離しにくく円滑に分離できなくなる一方、二枚のフィルムの弱シール強度が低すぎると、二枚のフィルムを分離させることができるもののフィルム同士の接続が完全なものにならず、米飯加工食品の水分がシート状食品に到達してしまう。   In view of such a problem, the end portions of the two films constituting the inner film are weakly sealed so that the two films can be separated while preventing moisture from passing between the films. However, depending on the strength of the weak seal, it may be difficult to separate the film into two sheets, or moisture may not be completely blocked. That is, if the weak seal strength of the two films is too high, the two films are difficult to separate from each other and cannot be smoothly separated. On the other hand, if the weak seal strength of the two films is too low, the two films are separated. However, the connection between the films is not perfect, and the moisture of the cooked rice processed food reaches the sheet-like food.

さらに、上記構成の米飯加工食品用包装材は、外フィルムを一本のカットテープで切断するように構成されているため、外フィルムを二分したときに、外フィルムの大部分がシート状食品と対向した状態になる。そのため、二分した外フィルムを幅方向に引っ張るときに外フィルムとシート状食品との間で大きな抵抗が生じ、シート状食品が破れてしまう場合があった。   Furthermore, since the packaging material for cooked rice processed food having the above configuration is configured to cut the outer film with a single cut tape, when the outer film is divided into two, most of the outer film is made of sheet-like food. It will be in the opposite state. For this reason, when the bisected outer film is pulled in the width direction, a large resistance is generated between the outer film and the sheet-like food, and the sheet-like food may be torn.

そこで、本発明は、斯かる実情に鑑み、米飯加工食品の水分がシート状食品に到達することなく、米飯加工食品とシート状食品とを分離した状態で包装することができ、開封時にシート状食品が破れることなく円滑に開封することのできる米飯加工食品用包装材を提供することを課題とする。   Therefore, in view of such a situation, the present invention can be packaged in a state where the processed rice food and the sheet-like food are separated without the moisture of the processed rice food reaching the sheet-like food. It is an object of the present invention to provide a packaged food for cooked rice food that can be opened smoothly without breaking the food.

本発明に係る米飯加工食品用包装材は、幅方向に分割可能に構成された外フィルムと、シート状食品を介して外フィルムに重ね合わされ、外フィルムと同方向に分離可能に構成された内フィルムとを備え、シート状食品を囲むように外フィルムと内フィルムとがシールされた米飯加工食品用包装材において、外フィルムは、幅方向に対して直交する長さ方向の全長に亘って該外フィルムを切断させる線状又は帯状の切断補助手段が幅方向に並んで二条設けられるとともに、長さ方向の少なくとも何れか一方の端部に二条の切断補助手段に跨る摘持部が設けられ、二条の切断補助手段は、長さ方向の少なくとも一部に互いが離間して間隔を拡大させた拡大部を形成し、内フィルムは、長さ方向の全長に亘って線状に延びる切断用のハーフカットが設けられた一枚のフィルムで構成されていることを特徴とする。   The packaging material for cooked rice processed food according to the present invention includes an outer film configured to be separable in the width direction, and an inner film configured to be separated in the same direction as the outer film, overlaid on the outer film via the sheet-like food. In the packaged food for cooked rice food, wherein the outer film and the inner film are sealed so as to surround the sheet-like food, the outer film is formed over the entire length in the length direction perpendicular to the width direction. Two strips of linear or belt-shaped cutting assisting means for cutting the outer film are provided side by side in the width direction, and a gripping portion is provided at least at either one end in the length direction across the two strips of cutting assisting means, The two strips of cutting auxiliary means form an enlarged portion that is spaced apart and enlarged in at least a part of the length direction, and the inner film is for cutting that extends linearly over the entire length in the length direction. half cut It is constructed with a single film provided wherein the are.

上記構成の米飯加工食品用包装材によれば、内フィルムは、長さ方向の全長に亘って線状に延びる切断用のハーフカットが設けられた一枚のフィルムで構成されているので、米飯加工食品を包み込んだ状態で内フィルムの何れの部位からも米飯加工食品の水分が通過することがない。これにより、内フィルムを隔て米飯加工食品と対峙するシート状食品に米飯加工食品の水分が到達することがなく、シート状食品本来の味や食感を保ちつつ包装することができる。   According to the packaged food for cooked rice food having the above configuration, the inner film is composed of a single film provided with a half-cut for cutting extending linearly over the entire length in the length direction. The moisture of the cooked rice food does not pass through any part of the inner film while the processed food is wrapped. Thereby, the water | moisture content of processed rice food does not reach | attain the sheet-like food which opposes processed rice food across an inner film, and it can package, maintaining the original taste and food texture of sheet-like food.

そして、外フィルムは、幅方向に対して直交する長さ方向の全長に亘って該外フィルムを切断させる線状又は帯状の切断補助手段が幅方向に並んで二条設けられるとともに、長さ方向の少なくとも何れか一方の端部に二条の切断補助手段に跨る摘持部が設けられ、二条の切断補助手段は、長さ方向の少なくとも一部に互いが離間して間隔を拡大させた拡大部を形成しているので、摘持部（外フィルムの幅方向と直交する長さ方向の端部の切断補助手段間）を引っ張ることで、外フィルムが二条の切断補助手段に誘導されつつ切断される。これにより、外フィルムは、切断補助手段の間隔に対応した幅で長さ方向の全長に亘って切除されることになり、拡大部に対応する部分でシート状食品を大きく露呈させつつ二分される。   And the outer film is provided with two strips of linear or strip-shaped cutting auxiliary means arranged in the width direction for cutting the outer film over the entire length in the length direction orthogonal to the width direction, and in the length direction. At least one of the end portions is provided with a gripping portion that straddles the two cutting assisting means, and the two cutting assisting means include an enlarged portion that is spaced apart from each other and expands the interval in at least a part of the length direction. Since it is formed, the outer film is cut while being guided by the two cutting assisting means by pulling the gripping part (between the cutting assisting means at the lengthwise ends perpendicular to the width direction of the outer film). . As a result, the outer film is cut over the entire length in the length direction with a width corresponding to the interval of the cutting assisting means, and is divided into two while exposing the sheet-like food at the portion corresponding to the enlarged portion. .

この状態で外フィルム及び内フィルムを幅方向に引っ張ると、その引っ張り力が内フィルムに設けたハーフカットに集中的に作用する。そうすると、ハーフカットに対応する部分が該ハーフカットの形成により周囲よりも薄肉で強度が弱くなっているため、当該部分で切り裂かれて（破断して）内フィルムが二分し、シート状食品と米飯加工食品との間から引き抜かれる。このとき、外フィルムは、既に拡大部に対応する部分でシート状食品を大きく露呈させるように二分されているので、シート状食品と外フィルムとの間に作用する抵抗が小さく、シート状食品を破ることなくシート状食品と米飯加工食品との間から内フィルムを引き抜いてシート状食品と米飯加工食品とを一体的にすることができる。   When the outer film and the inner film are pulled in the width direction in this state, the pulling force acts intensively on the half cut provided on the inner film. Then, since the portion corresponding to the half cut is thinner and weaker than the surrounding due to the formation of the half cut, the portion is cut (broken) at the portion to bisect the inner film, and the sheet-like food and cooked rice It is pulled out from between processed foods. At this time, since the outer film is already divided into two so as to largely expose the sheet-like food at the portion corresponding to the enlarged portion, the resistance acting between the sheet-like food and the outer film is small, and the sheet-like food is The inner film can be pulled out from between the sheet-shaped food and the cooked rice processed food without breaking, and the sheet-shaped food and the cooked rice processed food can be integrated.

本発明の一態様として、二条の切断補助手段のそれぞれは、波状に形成されるとともに、長さ方向に延びる外フィルムの中心線を基準にして対称的に配置され、拡大部は、二条の切断補助手段が互いに離間した部位で形成されていることが好ましい。このようにすれば、切断補助手段を単調な形態にしつつも拡大部を形成することができる。そして、切断補助手段の形態が単調であるため、煩雑な工程を経たり複雑な装置を用いたりすることなく外フィルムに対して切断補助手段を設けることができる。   As one aspect of the present invention, each of the two cutting assisting means is formed in a wave shape and is symmetrically arranged with respect to the center line of the outer film extending in the length direction, and the enlarged portion is cut into two strips. It is preferable that the auxiliary means is formed at portions separated from each other. If it does in this way, an enlarged part can be formed, making a cutting auxiliary means monotonous form. And since the form of a cutting | disconnection auxiliary | assistant means is monotonous, a cutting | disconnection auxiliary | assistant means can be provided with respect to an outer film, without passing through a complicated process or using a complicated apparatus.

また、本発明の他態様として、外フィルム及び内フィルムは、介装されたシート状食品の幅方向の両側が少なくとも部分的にシールされ、シート状食品の配置を拡大部の配置に対応させる位置決シール部が形成されていることが好ましい。このようにすれば、外フィルムを長さ方向の全長に亘って切除したときに、残った外フィルム（少なくとも切断補助手段の間隔の狭い部分に対応する部分）がシート状食品の幅方向の両端部分に対して幅方向において略均等に被ることになる。これにより、外フィルム及び内フィルムを幅方向に引っ張ったときに、残った外フィルムとの接触による抵抗がシート状食品に対して幅方向で偏って作用しにくくなり、シート状食品をより確実に破れにくくすることができる上に内側の米飯加工食品の配置に対応させた状態で維持させることができる。   Further, as another aspect of the present invention, the outer film and the inner film are at least partially sealed on both sides in the width direction of the interposed sheet-like food, and the position of the sheet-like food corresponding to the arrangement of the enlarged portion It is preferable that a sealing part is formed. In this way, when the outer film is cut over the entire length in the length direction, the remaining outer film (at least the portion corresponding to the narrow portion of the cutting aid means) is at both ends in the width direction of the sheet-like food. The portion is covered substantially evenly in the width direction. As a result, when the outer film and the inner film are pulled in the width direction, resistance due to contact with the remaining outer film is less likely to be biased in the width direction with respect to the sheet-like food, and the sheet-like food is more reliably secured. It can be made difficult to break, and can be maintained in a state corresponding to the arrangement of the inner cooked rice processed food.

さらに、本発明の別の態様として、内フィルムは、ハーフカットの配置に対応するように、幅方向と直交する長さ方向の両端部に切欠部が設けられていることが好ましい。このようにすれば、外フィルム及び内フィルムを幅方向に引っ張ったときの引っ張り力が切欠部を介してハーフカットに集中的に作用し、該ハーフカットに対応する部分で内フィルムを円滑に切り裂くことができる。   Furthermore, as another aspect of the present invention, the inner film is preferably provided with notches at both ends in the length direction orthogonal to the width direction so as to correspond to the arrangement of the half cut. In this way, the pulling force when the outer film and the inner film are pulled in the width direction acts intensively on the half cut through the notch, and the inner film is smoothly cut at the portion corresponding to the half cut. be able to.

また、内フィルムを内側にして米飯加工食品を包むに際し、外フィルム及び内フィルムを長さ方向に二つ折りにして互いに対向する端部同士をシールするように構成され、二条の切断補助手段は、外フィルムの長さ方向の略中央位置に拡大部を形成するように設けられていることが好ましい。このようにすれば、外フィルムの何れの端部側から外フィルムを切除しても外フィルムの中央部分で最大に開口することになり、外フィルム及び内フィルムを幅方向に引っ張ったときに、シート状食品に偏った抵抗が生じず、シート状食品と米飯加工食品との間から内フィルムを円滑に引き抜くことができる。   In addition, when wrapping the cooked rice processed food with the inner film inside, the outer film and the inner film are folded in half in the length direction and the ends facing each other are sealed. It is preferable to provide an enlarged portion at a substantially central position in the length direction of the outer film. In this way, even if the outer film is cut off from any end side of the outer film, it will open to the maximum at the central portion of the outer film, and when the outer film and the inner film are pulled in the width direction, Unbiased resistance does not occur in the sheet-like food, and the inner film can be smoothly pulled out between the sheet-like food and the cooked rice processed food.

この場合、二条の切断補助手段は、外フィルムの長さ方向の両端部で幅方向に所定の間隔をあけるように設けられるとともに、該両端部から外フィルムの長さ方向の略中央位置に向けて間隔が徐々に拡大して拡大部を形成するように設けられていることが好ましい。このようにすれば、摘持部を摘んで引っ張ることで外フィルムを二分させることができる上に、外フィルムを長さ方向の全長に亘って幅を持たせて切除することができる。   In this case, the two strip cutting assisting means are provided so as to have a predetermined interval in the width direction at both ends in the length direction of the outer film, and directed from the both ends toward a substantially central position in the length direction of the outer film. It is preferable that the distance is gradually increased to form an enlarged portion. In this way, the outer film can be divided into two by picking and pulling the gripping portion, and the outer film can be cut with a width over the entire length in the length direction.

そして、二条の切断補助手段は、拡大部での最大間隔がシート状食品の幅寸法の６０％〜１１０％に設定されていることが好ましい。このようにすれば、外フィルムを二条の切断補助手段に沿って切断したときに、拡大部に対応する部分がシート状食品の幅を基準に開口するので、シート状食品と米飯加工食品との間から内フィルムを引き抜く際のシート状食品と外フィルムとの間で作用する抵抗を確実に低くすることができる。   And it is preferable that the maximum space | interval in an expansion part is set to 60%-110% of the width dimension of a sheet-like foodstuff as for the cutting | disconnection assistance means of 2 items | stripes. In this way, when the outer film is cut along the two cutting aids, the portion corresponding to the enlarged portion opens on the basis of the width of the sheet-like food, so the sheet-like food and the cooked rice processed food The resistance acting between the sheet-like food and the outer film when the inner film is pulled out from the gap can be reliably reduced.

また、二条の切断補助手段は、互いの間隔が外フィルムの長さ方向の両端部で最小になるように設けられ、該最小の間隔がシート状食品の幅寸法の２０％〜５５％に設定されていることが好ましい。このようにすれば、外フィルムを二条の切断補助手段に沿って切断したときに、外フィルムの両端部においてシート状食品の幅を基準にしつつ拡大部よりも狭い幅で開口するので、少なくともシート状食品の四隅部分を外フィルムと内フィルムとに挟まれた状態（シート状食品が不用意に脱落してしまうのを防止した状態）にすることができる上に、内フィルムを引き抜くときにシート状食品に作用する抵抗も小さくしてシート状食品が破れるのをより確実に防止することができる。   Further, the two cutting assisting means are provided such that the distance between them is minimized at both ends in the length direction of the outer film, and the minimum distance is set to 20% to 55% of the width dimension of the sheet-like food. It is preferable that In this way, when the outer film is cut along the two cutting assisting means, at both ends of the outer film, the width of the sheet-like food is opened with a width narrower than the enlarged portion, so at least the sheet The four corners of the food can be sandwiched between the outer film and the inner film (a state in which the sheet-like food is prevented from inadvertently dropping off), and the sheet is removed when the inner film is pulled out. The resistance acting on the food can be reduced, and the sheet food can be more reliably prevented from being broken.

二条の切断補助手段は、帯状のカットテープで構成されることが好ましい。このようにすれば、外フィルムを確実に誘導して切断することができる。   The two strips of cutting assisting means are preferably constituted by a strip-shaped cut tape. In this way, the outer film can be reliably guided and cut.

以上のように、本発明に係る米飯加工食品用包装材によれば、米飯加工食品の水分がシート状食品に到達することなく、米飯加工食品とシート状食品とを分離した状態で包装することができ、開封時にシート状食品が破れることなく円滑に開封することができるという優れた効果を奏し得る。   As described above, according to the packaging material for cooked rice food according to the present invention, the cooked rice food and the sheet food are packaged in a separated state without the moisture of the cooked rice food reaching the sheet food. The sheet-like food can be opened smoothly without tearing when opened, and an excellent effect can be obtained.

以下、本発明の一実施形態に係る米飯加工食品用包装材について、添付図面を参照しつつ説明する。   Hereinafter, a packaged food for cooked rice food according to an embodiment of the present invention will be described with reference to the accompanying drawings.

本実施形態に係る米飯加工食品用包装材は、図１に示す如く、おにぎりや寿司等の米飯加工食品（本実施形態においては、おにぎり）Ａと、シート状にされた海苔や薄焼き卵、畳鰯等のシート状食品（本実施形態においては、海苔）Ｂとを分離した状態で包装するもので、図２に示す如く、幅方向に分割可能に構成された外フィルム１０と、シート状食品Ｂを介して外フィルム１０に重ね合わされ、外フィルム１０と同方向に分離可能に構成された内フィルム２０とを備え、前記シート状食品Ｂを囲むように外フィルム１０と内フィルム２０とがシールされ（図３参照）、前記内フィルム２０を内側にして米飯加工食品Ａを包むように構成されている（図１参照）。なお、各図においてハッチングを付した領域がシールされた部分である。   As shown in FIG. 1, the packaging material for processed rice food according to the present embodiment includes processed rice foods such as rice balls and sushi (in this embodiment, rice balls) A, sheeted laver, thin-fried eggs, and tatami rice cakes. The sheet-like food (in this embodiment, laver) B is packaged in a separated state, and as shown in FIG. 2, the outer film 10 configured to be split in the width direction, and the sheet-like food B And the inner film 20 is configured to be separable in the same direction as the outer film 10, and the outer film 10 and the inner film 20 are sealed so as to surround the sheet-like food B. (Refer FIG. 3), It is comprised so that the said inner film 20 may be set inside, and the cooked rice processed food A may be wrapped (refer FIG. 1). In each figure, the hatched area is a sealed part.

本実施形態に係る外フィルム１０は、平面視略長方形状に形成されており、長手をなす長さ方向と直交する幅方向に分割可能に構成されている。より具体的には、前記外フィルム１０には、該外フィルム１０を長さ方向の全長に亘って切断するための切断補助手段１００ａ，１００ｂが設けられている。該切断補助手段１００ａ，１００ｂは、外フィルム１０の長さ方向に延びるように線状又は帯状をなしており、外フィルム１０の幅方向に並んで少なくとも二条設けられている。   The outer film 10 according to the present embodiment is formed in a substantially rectangular shape in plan view, and is configured to be divisible in the width direction perpendicular to the length direction forming the longitudinal direction. More specifically, the outer film 10 is provided with cutting auxiliary means 100a and 100b for cutting the outer film 10 over the entire length in the length direction. The cutting assisting means 100 a and 100 b are linear or strip-like so as to extend in the length direction of the outer film 10, and at least two strips are provided side by side in the width direction of the outer film 10.

切断補助手段１００ａ，１００ｂのそれぞれは、外フィルム１０の長さ方向の全長に亘って連続的に設けられており、本実施形態においては、外フィルム１０に対して貼着された帯状のカットテープで構成されている。   Each of the cutting assistance means 100a, 100b is continuously provided over the entire length of the outer film 10, and in this embodiment, a strip-shaped cut tape attached to the outer film 10. It consists of

該二条の切断補助手段（カットテープ）１００ａ，１００ｂは、外フィルム１０の長さ方向に延びる中心線ＣＬを基準にして対称になるように設けられ、外フィルム１０の長さ方向の少なくとも一部に互いが離間して間隔を拡大させた拡大部１０１を形成している。本実施形態においては、二条の切断補助手段１００ａ，１００ｂのそれぞれが波状をなすように設けられており、互いに離間した部位で前記拡大部１０１を形成している。また、二条の切断補助手段１００ａ，１００ｂのそれぞれは、互いに接近する部位が前記中心線ＣＬから所定距離離れている。   The two strips of cutting assisting means (cut tapes) 100a, 100b are provided so as to be symmetrical with respect to the center line CL extending in the length direction of the outer film 10, and at least a part of the length of the outer film 10 in the length direction. The enlarged portion 101 is formed in a manner that the gaps are spaced apart from each other. In the present embodiment, each of the two cutting assisting means 100a and 100b is provided so as to have a wave shape, and the enlarged portion 101 is formed at a part separated from each other. Further, in each of the two cutting assisting means 100a and 100b, the parts approaching each other are separated from the center line CL by a predetermined distance.

本実施形態に係る米飯加工食品用包装材１は、前記内フィルム２０を内側にして米飯加工食品Ａを包むに際し、積層状態にある外フィルム１０及び内フィルム２０を該外フィルム１０の長さ方向に二つ折りにして互いに対向する端部同士をシールするように構成され、この包装形態を前提に、前記二条の切断補助手段１００ａ，１００ｂは、長さ方向の略中央位置に前記拡大部１０１を形成するように設けられている。   When packaging the cooked rice processed food A with the inner film 20 on the inner side, the packaging material 1 for cooked rice processed food according to this embodiment includes the outer film 10 and the inner film 20 in a laminated state in the length direction of the outer film 10. The two ends of the cutting assisting means 100a, 100b are provided with the enlarged portion 101 at a substantially central position in the length direction. It is provided to form.

すなわち、本実施形態において、前記二条の切断補助手段１００ａ，１００ｂは、外フィルム１０の長さ方向の両端部で所定の間隔をあけるように設けられるとともに、該両端部から外フィルム１０の長さ方向の略中央位置に向けて間隔が徐々に拡大して前記拡大部１０１を形成するように設けられている。前記拡大部１０１は、最大間隔がシート状食品Ｂの幅寸法（外フィルム１０と内フィルム２０との間に介装された状態で外フィルム１０の幅方向に対応する方向の寸法）の６０％〜１１０％に設定され、より好ましくは、シート状食品Ｂの幅寸法の７５％〜９５％に設定される。   That is, in the present embodiment, the two strips of cutting assisting means 100a and 100b are provided so as to leave a predetermined interval at both ends in the length direction of the outer film 10, and the length of the outer film 10 from the both ends. The enlarged portion 101 is formed such that the interval gradually increases toward a substantially central position in the direction. In the enlarged portion 101, the maximum distance is 60% of the width dimension of the sheet-like food B (the dimension in the direction corresponding to the width direction of the outer film 10 in the state of being interposed between the outer film 10 and the inner film 20). It is set to ˜110%, more preferably 75% to 95% of the width dimension of the sheet-like food B.

これに対し、外フィルム１０の長さ方向の両端部での二条の切断補助手段１００ａ，１００ｂの間隔は、シート状食品Ｂの幅寸法の２０％〜５５％に設定され、より好ましくは、シート状食品Ｂの幅寸法の３０％〜５０％に設定される。   On the other hand, the distance between the two cutting assisting means 100a and 100b at both ends in the length direction of the outer film 10 is set to 20% to 55% of the width dimension of the sheet-like food B, and more preferably the sheet. 30% to 50% of the width of the food product B is set.

本実施形態に係る外フィルム１０は、長さ方向の両端部に二条の切断補助手段１００ａ，１００ｂに跨る摘持部１０２ａ，１０２ｂが設けられている。すなわち、該外フィルム１０は、長さ方向の両端部に二条の切断補助手段１００ａ，１００ｂを介在させて一対の切込部１０３，１０３が設けられており、該一対の切込部１０３，１０３間に摘持部１０２ａ，１０２ｂが形成されている。そして、外フィルム１０の長さ方向の両端部には、一対の切込部１０３，１０３間（摘持部１０２ａ，１０２ｂの先端）が切欠かれて外側切欠部１０４，１０４が設けられている。該外側切欠部１０４，１０４は、内フィルム２０に対して後述する破断用切欠部２０１，２０１を形成するに際して積層した外フィルム１０を一緒に切断することによって形成されるものである。   The outer film 10 according to this embodiment is provided with gripping portions 102a and 102b straddling two cutting assisting means 100a and 100b at both ends in the length direction. That is, the outer film 10 is provided with a pair of cut portions 103 and 103 with two strip assisting means 100a and 100b interposed at both ends in the length direction, and the pair of cut portions 103 and 103. Grip portions 102a and 102b are formed between them. The outer film 10 is provided with outer notches 104 and 104 at both ends in the length direction by notching between the pair of notches 103 and 103 (tips of the gripping portions 102a and 102b). The outer cutouts 104 and 104 are formed by cutting together the laminated outer film 10 when forming the cutout cutouts 201 and 201 to be described later on the inner film 20.

本実施形態に係る外フィルム１０は、上述の如く、外フィルム１０及び内フィルム２０を二つ折りにして互いに対向する端部同士をシールする包装形態を前提に、長さ方向の中央位置にある両側端部が切り欠かれて折込用外側切欠部（Ｖカット）１０５，１０５が設けられている。   As described above, the outer film 10 according to the present embodiment is folded on the outer film 10 and the inner film 20 in two, and both sides at the central position in the length direction are premised on a packaging form in which ends facing each other are sealed. The outer ends are notched (V cuts) 105 and 105 are cut off at the ends.

前記内フィルム２０は、外フィルム１０と同様に平面視略長方形状に形成されており、外フィルム１０と略同サイズに設定されている。該内フィルム２０は、一枚のフィルムで構成されており、長手をなす長さ方向の全長に亘って延びる線状のハーフカット２００が設けられている。これにより、該内フィルム２０は、ハーフカット２００で裂けることで、幅方向に分離（分割）するようになっている。前記ハーフカット２００は、局部的に強度を弱めるべく、周囲の厚みよりも薄くなった部分で線状に延びるように形成され、本実施形態においては、内フィルム２０の長さ方向の全長に亘って直線状に形成されている。なお、ハーフカット２００は、非貫通状態になるようにフィルムを線状に溶かしたり、型押ししたりすることで形成される。   The inner film 20 is formed in a substantially rectangular shape in plan view like the outer film 10 and is set to be approximately the same size as the outer film 10. The inner film 20 is composed of a single film, and is provided with a linear half-cut 200 that extends over the entire length in the longitudinal direction. Thereby, the inner film 20 is separated (divided) in the width direction by being split by the half cut 200. The half cut 200 is formed to extend linearly at a portion thinner than the surrounding thickness in order to weaken the strength locally. In the present embodiment, the half cut 200 extends over the entire length in the length direction of the inner film 20. It is formed in a straight line. The half cut 200 is formed by melting the film in a line or embossing it so as to be in a non-penetrating state.

本実施形態に係る内フィルム２０は、長さ方向の両端部にハーフカット２００の配置に対応して破断用切欠部（切欠部）２０１，２０１が設けられている。かかる破断用切欠部２０１，２０１は、内フィルム２０の真っ直ぐに延びる端縁に対して窪むように形成されていればよく、本実施形態においては半円状に形成されている。   The inner film 20 according to the present embodiment is provided with notches for break (notches) 201 and 201 corresponding to the arrangement of the half cuts 200 at both ends in the length direction. The breaking notches 201 and 201 may be formed so as to be recessed with respect to the straight edge of the inner film 20, and are formed in a semicircular shape in the present embodiment.

そして、該内フィルム２０についても、上述の如く、外フィルム１０及び内フィルム２０を二つ折りにして互いに対向する端部同士をシールする包装形態を前提に、長さ方向の中央位置にある両側端部が切り欠かれて折込用内側切欠部（Ｖカット）２０２，２０２が設けられている。本実施形態においては、内フィルム２０と外フィルム１０とが略同サイズに設定され、互いの外周縁部が重なりあうように積層されることを前提に、内フィルム２０の折込用内側切欠部２０２，２０２は、外フィルム１０の折込用外側切欠部１０５，１０５に対応した配置及び形状に設定されている。   And as above-mentioned, also about this inner film 20, both ends which are in the center position of a length direction presuppose the packaging form which folds the outer film 10 and the inner film 20, and seals the edge parts which mutually oppose each other The part is notched and inner notch portions (V cut) 202, 202 for folding are provided. In the present embodiment, the inner film 20 and the outer film 10 are set to have substantially the same size, and on the premise that the outer peripheral edge portions of the inner film 20 are stacked so as to overlap each other, the inner notch portion 202 for folding of the inner film 20 is used. , 202 are set in an arrangement and shape corresponding to the outer cutout portions 105, 105 for folding of the outer film 10.

そして、本実施形態に係る米飯加工食品用包装材１は、図３（ａ）及び図３（ｂ）に示す如く、シート状食品Ｂを介して内フィルム２０と外フィルム１０とを積層した上で、外フィルム１０及び内フィルム２０の幅方向の両端部（側端部）において、互いの側端部同士を所定幅でシールしてシールライン（以下、側部シールラインという）Ｓ１，Ｓ１を形成するとともに、外フィルム１０の長さ方向の両端部において、摘持部１０２ａ，１０２ｂ（一対の切込部１０３，１０３）よりも内側で内フィルム２０及び外フィルム１０の幅方向に延びる帯状の領域同士をシールしてシールラインＳ２，Ｓ２を形成し、これらのシールラインＳ１，Ｓ１，Ｓ２，Ｓ２によってシート状食品Ｂを収容する空間（以下、収容空間という）を画定している。本実施形態においては、内フィルム２０と外フィルム１０との間でシート状食品Ｂの移動を規制して、該シート状食品Ｂを二条の切断補助手段１００ａ，１００ｂ（拡大部１０１）の配置に対応させるべく、各側部シールラインＳ１，Ｓ１に連続するように、側部シールラインＳ１，Ｓ１よりも収容空間側の領域を部分的にシールして位置決シール部Ｓ３が形成されている。   And the packaging material 1 for cooked rice processed foods concerning this embodiment laminated | stacked the inner film 20 and the outer film 10 via the sheet-like food B, as shown to Fig.3 (a) and FIG.3 (b). Thus, at both end portions (side end portions) in the width direction of the outer film 10 and the inner film 20, the side end portions are sealed with a predetermined width to form seal lines (hereinafter referred to as side seal lines) S1, S1. At the both end portions of the outer film 10 in the length direction, it is formed in a strip shape extending in the width direction of the inner film 20 and the outer film 10 inside the gripping portions 102a and 102b (the pair of cut portions 103 and 103). The areas are sealed to form seal lines S2 and S2, and a space for storing the sheet-like food B (hereinafter referred to as an accommodation space) is defined by these seal lines S1, S1, S2 and S2. In the present embodiment, the movement of the sheet-like food B is regulated between the inner film 20 and the outer film 10, and the sheet-like food B is arranged in two strips of cutting assisting means 100 a and 100 b (enlarged portion 101). In order to correspond, the positioning seal portion S3 is formed by partially sealing a region closer to the accommodation space than the side seal lines S1 and S1 so as to be continuous with the side seal lines S1 and S1.

該位置決シール部Ｓ３は、長さ方向に間隔をあけて複数形成されており、シート状食品Ｂが幅方向の両側で複数の位置決シール部Ｓ３，…によって位置決めされている。すなわち、各側部シールラインＳ１，Ｓ１から突出する位置決シール部Ｓ３，Ｓ３の先端間の間隔がシート状食品Ｂの幅よりもやや広く設定されており、該位置決シールＳ３，Ｓ３間にあるシート状食品Ｂが、二条のカットテープ１００ａ，１００ｂの配置（拡大部１０１）に対応して位置決めされている。   A plurality of the positioning seal portions S3 are formed at intervals in the length direction, and the sheet-like food B is positioned by the plurality of positioning seal portions S3,... On both sides in the width direction. That is, the interval between the tips of the positioning seal portions S3 and S3 protruding from the side seal lines S1 and S1 is set to be slightly wider than the width of the sheet-like food B, and between the positioning seals S3 and S3. A certain sheet-like food B is positioned corresponding to the arrangement (enlarged portion 101) of the two strips of cut tape 100a, 100b.

本実施形態に係る米飯加工食品用包装材１は、以上の構成からなり、該米飯加工食品用包装材１が複数連続する包装材用原反を所定長さに順次切断することで作製される。具体的には、図４に示す如く、外フィルム１０の幅に対応した幅に設定された長尺フィルムＦａに対し、二条のテープ（カットテープ１００ａ，１００ｂの連続体）１００ａ’，１００ｂ’が長手方向に連続的に貼着される。このとき、長手方向に移動する長尺フィルムＦａに対し、長尺な二本のテープ１００ａ’，１００ｂ’が同方向に移動しながら所定位置を通過する際に互いに接離させつつ貼着され、二本のテープ１００ａ’，１００ｂ’が対称的な波形を呈して長尺フィルムＦａと一体的にされた外フィルム１０の連続体である外フィルム用原反１０’になる。   The packaged food 1 for cooked rice food according to this embodiment has the above-described configuration, and is produced by sequentially cutting a plurality of continuous packaging material 1 for cooked rice processed food into predetermined lengths. . Specifically, as shown in FIG. 4, two strips of tape (continuous body of cut tapes 100 a and 100 b) 100 a ′ and 100 b ′ are formed on the long film Fa set to a width corresponding to the width of the outer film 10. It is stuck continuously in the longitudinal direction. At this time, for the long film Fa moving in the longitudinal direction, the two long tapes 100a ′ and 100b ′ are stuck in and away from each other when passing through a predetermined position while moving in the same direction, The two tapes 100a ′ and 100b ′ have a symmetrical waveform and become an outer film original fabric 10 ′ that is a continuous body of the outer film 10 integrated with the long film Fa.

そして、図５に示す如く、幅方向の略中央に長手方向に延びるハーフカット２００’が形成された長尺フィルムＦｂ（内フィルム２０の連続体である内フィルム用原反２０’）を外フィルム用原反１０’にシート状食品Ｂを介して重ね合わせる。すなわち、外フィルム用原反１０’（外フィルム１０の連続体）及び内フィルム用原反２０’（内フィルム２０の連続体）を長手方向に供給し、所定間隔毎に平面視長方形状をなすシート状食品Ｂを外フィルム用原反１０’又は内フィルム用原反２０’の何れか一方の上に供給しつつ、該シート状食品Ｂを挟むように、外フィルム用原反１０’と内フィルム用原反２０’とを重ね合わせる。   Then, as shown in FIG. 5, a long film Fb (an inner film original fabric 20 ′, which is a continuum of the inner film 20) in which a half cut 200 ′ extending in the longitudinal direction is formed at substantially the center in the width direction is used as the outer film. It overlaps with the raw material 10 'through the sheet-like food B. That is, the outer film original fabric 10 ′ (continuous body of the outer film 10) and the inner film raw fabric 20 ′ (continuous body of the inner film 20) are supplied in the longitudinal direction to form a rectangular shape in plan view at predetermined intervals. While supplying the sheet-like food B on either the outer film raw fabric 10 'or the inner film raw fabric 20', the outer film raw fabric 10 'and the inner film so as to sandwich the sheet-shaped food B. The film original fabric 20 'is overlaid.

このとき、平面視長方形状に形成されたシート状食品Ｂは、長手方向を外フィルム用原反１０’及び内フィルム用原反２０’（長尺フィルムＦａ，Ｆｂ）の長手方向に合わせるとともに、二本のテープ１００ａ’，１００ｂ’の間隔が最大になる位置（米飯加工食品用包装材１の拡大部１０１となる位置）に長手方向の略中央位置が対応するように、外フィルム用原反１０’又は内フィルム用原反２０’の何れか一方の上に供給される。   At this time, the sheet-like food B formed in a rectangular shape in plan view is aligned with the longitudinal direction of the outer film original fabric 10 'and the inner film original fabric 20' (long film Fa, Fb), The outer film raw fabric so that the substantially central position in the longitudinal direction corresponds to the position where the distance between the two tapes 100a ′, 100b ′ is maximized (position where the expanded portion 101 of the cooked rice food packaging material 1 is located). Supplied on either 10 'or the inner film original fabric 20'.

そうすると、外フィルム用原反１０’及び内フィルム用原反２０’の長手方向にシート状食品Ｂが所定間隔毎に介在することになるので、各シート状食品Ｂを包囲するように、外フィルム用原反１０’及び内フィルム用原反２０’をシールする。すなわち、重ね合わされた外フィルム用原反１０’及び内フィルム用原反２０’の幅方向の両端部同士を所定幅でシールするとともに、シート状食品Ｂの長手方向の両端部の両側の幅方向に延びる帯状の領域同士をシールする。これにより、外フィルム用原反１０’及び内フィルム用原反２０’の長手方向に延びる両端部に所定幅のシールラインＳ１’，Ｓ１’が形成されるとともに、長手方向に並んだシート状食品Ｂ間に幅方向に延びる帯状のシールラインＳ２’，Ｓ２’が二本形成された包装材用原反１’が作製される。   Then, since the sheet-like food B is interposed at predetermined intervals in the longitudinal direction of the outer film original fabric 10 ′ and the inner film original fabric 20 ′, the outer film is surrounded so as to surround each sheet-like food B. The original fabric 10 'and the inner film original fabric 20' are sealed. That is, both ends in the width direction of the overlapped outer film original fabric 10 ′ and inner film original fabric 20 ′ are sealed with a predetermined width, and the width direction on both sides of both longitudinal ends of the sheet-like food B The band-like regions extending in the direction are sealed. As a result, seal lines S1 ′ and S1 ′ having a predetermined width are formed at both ends of the outer film original fabric 10 ′ and the inner film original fabric 20 ′ extending in the longitudinal direction, and the sheet-like foods are arranged in the longitudinal direction. An original packaging material 1 ′ in which two strip-like seal lines S2 ′ and S2 ′ extending in the width direction between B are formed is produced.

そして、本実施形態においては、包装材用原反１’を作製し、連続的に該包装材用原反１’から米飯加工食品用包装材１を作製するようにしている。すなわち、一般的には、長尺な包装材用原反１’が作製されると該包装材用原反１’を一旦ロール状に巻き、そのロールから包装材用原反１’を引き出して適宜裁断することで米飯加工食品用包装材１を作製するが、本実施形態においては、外フィルム用原反１０’及び内フィルム用原反２０’をシールした後（包装材用原反１’になった後）、引き続きシート状食品Ｂ，Ｂ間に形成された二本のシールラインＳ２’，Ｓ２’の間で包装材用原反１’を切断し、米飯加工食品用包装材１を順次作製するようにしている。   And in this embodiment, the raw material 1 'for packaging materials is produced, and the packaging material 1 for processed rice cooked foods is continuously produced from this raw material 1' for packaging materials. That is, generally, when a long packaging material 1 'is produced, the packaging material 1' is once wound into a roll, and the packaging material 1 'is drawn from the roll. The packaging material 1 for cooked rice processed food is prepared by appropriately cutting, but in this embodiment, after sealing the outer film original fabric 10 'and the inner film raw fabric 20' (the original packaging material 1 ') After that, the raw material 1 ′ for packaging material is continuously cut between the two seal lines S2 ′ and S2 ′ formed between the sheet-like foods B and B, and the packaging material 1 for cooked rice food is obtained. They are made sequentially.

本実施形態では、二本のシールラインＳ２’，Ｓ２’間で包装材用原反１’（外フィルム用原反１０’及び内フィルム用原反２０’）を切断するに際して、各外側切欠部１０４，１０４、折込用外側切欠部１０５，１０５、破断用切欠部２０１，２０１、折込用内側切欠部２０２，２０２が併せて形成され、米飯加工食品用包装材１が順次連続的に作製される。なお、本実施形態に係る米飯加工食品用包装材１は、切込部１０３，１０３が外フィルム１０のみに設けられているので、切込部１０３，１０３は、外フィルム用原反１０’と内フィルム用原反２０’とが重ね合わされる前に外フィルム用原反１０’に対して切り込みとして設けられるが、各切欠部１０４，１０５，２０１，２０２と同様に、包装材用原反１’を切断するに際して切り込みも併せて入れるようにして、外フィルム１０及び内フィルム２０の両方に切込部１０３を設けるようにしてもよい。   In the present embodiment, when cutting the raw material 1 ′ for packaging material (the raw material for outer film 10 ′ and the raw material for inner film 20 ′) between the two seal lines S2 ′ and S2 ′, each outer notch 104, 104, outer cutout portions 105, 105, breakage cutout portions 201, 201, and inner cutout portions 202, 202 are formed together, and the cooked rice processed food packaging material 1 is successively produced. . In addition, since the cutting parts 103 and 103 are provided only in the outer film 10 in the packaging material 1 for cooked rice food according to the present embodiment, the cutting parts 103 and 103 are formed of the outer film original fabric 10 '. Before the inner film original fabric 20 ′ is overlaid, it is provided as a cut in the outer film original fabric 10 ′. As with the notches 104, 105, 201, 202, the packaging material original 1 A cut may also be made when cutting ', and the cut portions 103 may be provided in both the outer film 10 and the inner film 20.

次に、米飯加工食品用包装材１の使用態様について説明する。上記構成の米飯加工食品用包装材１で米飯加工食品Ａを包装するには、まず、図６（ａ）に示す如く、内フィルム２０上に米飯加工食品（本実施形態においては三角おにぎり）Ａを配置し、図６（ｂ）に示す如く、米飯加工食品用包装材１（外フィルム１０及び内フィルム２０）を長さ方向に二つ折りにする。この状態で、拡大部１０１に対応する領域（折込用外側切欠部１０５，１０５間の領域及び折込用内側切欠部２０２，２０２間の領域）が米飯加工食品Ａの厚みに対応して起立した状態になり、当該領域の両側が米飯加工食品Ａを介して対向した状態になる。   Next, the usage aspect of the packaging material 1 for cooked rice processed foods is demonstrated. In order to wrap the cooked rice processed food A with the packaged food 1 for cooked rice with the above configuration, first, as shown in FIG. 6A, the cooked rice processed food (triangle rice ball in this embodiment) A is formed on the inner film 20. 6 and bake the cooked rice food packaging material 1 (the outer film 10 and the inner film 20) in the length direction as shown in FIG. 6B. In this state, the region corresponding to the enlarged portion 101 (the region between the outer notch portions for folding 105 and 105 and the region between the inner notch portions for folding 202 and 202) stands up corresponding to the thickness of the cooked rice processed food A Then, both sides of the region are in a state of being opposed to each other through the cooked rice processed food A.

しかる後、図６（ｃ）に示す如く、二つ折りにすることで互いに対向する幅方向の両側端部を相手側に折り曲げて相手側の側端部に重ね合わせるとともに、その重ね合わせた側端部同士をシールし、長さ方向に延びるシールラインＳを幅方向の両側に形成する。   Thereafter, as shown in FIG. 6 (c), the two side ends facing each other in the width direction are folded to the other side by being folded in two, and overlapped with the side end on the other side. The portions are sealed, and seal lines S extending in the length direction are formed on both sides in the width direction.

この状態で、長さ方向の両端部が開口を形成するとともに、外フィルム１０及び内フィルム２０の長さ方向の中央位置の両側端（折込用外側切欠部１０５，１０５及び折込用内側切欠部２０２，２０２に対応する部位）が側端部の折り込みによって三角形状をなした突片状をなす。なお、本実施形態に係る米飯加工食品用包装材１は、外フィルム１０及び内フィルム２０の長さ方向の中央位置の両側端部に折込用外側切欠部１０５，１０５及び折込用内側切欠部２０２，２０２を設けているので、当該部分に対する不必要な折り畳みを行うことなく体裁のよい突片が形成される。   In this state, both ends in the length direction form an opening, and both ends of the center position in the length direction of the outer film 10 and the inner film 20 (the outer notch portions 105 and 105 for folding and the inner notch portion 202 for folding). , 202 corresponds to a triangular projecting piece by folding the side end. The cooked rice packaging material 1 according to the present embodiment has the outer notch portions 105 and 105 for folding and the inner notch portion 202 for folding at both end portions of the center position in the length direction of the outer film 10 and the inner film 20. , 202 is provided, so that a projecting piece having a good appearance can be formed without performing unnecessary folding on the portion.

そして、図６（ｄ）に示す如く、摘持部１０２ａ，１０２ｂを躱すように、開口を形成した外フィルム１０及び内フィルム２０の長さ方向の両端部を摘持部１０２ａ，１０２ｂよりも内側（米飯加工食品Ａ）側で、幅方向に延びるシールラインＳを形成するように線状又は帯状にシールすることで開口を閉塞する。これにより、シート状食品Ｂと米飯加工食品Ａとの間に内フィルム２０を介装した状態、すなわち、シート状食品Ｂと米飯加工食品Ａとが分離状態で包装される。本実施形態においては、内フィルム２０を一枚のフィルムで構成しているため、上述の如く、シート状食品Ｂと米飯加工食品Ａとを内フィルム２０で分離した状態にしても米飯加工食品Ａの水分の通過を許容する部分が形成されず、シート状食品Ｂ本来の味、食感を維持させることができる。   Then, as shown in FIG. 6 (d), both end portions in the length direction of the outer film 10 and the inner film 20 in which the openings are formed are arranged inside the gripping portions 102a and 102b so as to sandwich the gripping portions 102a and 102b. On the (rice cooked food A) side, the opening is closed by sealing in a linear or belt shape so as to form a seal line S extending in the width direction. Thereby, the state which interposed the inner film 20 between the sheet-like food B and the cooked rice processed food A, ie, the sheet-like food B and the cooked rice processed food A, are packaged in a separated state. In the present embodiment, since the inner film 20 is composed of a single film, as described above, the processed rice food A even if the sheet-like food B and the cooked rice A are separated by the inner film 20 as described above. A portion that allows the passage of moisture is not formed, and the original taste and texture of the sheet-like food B can be maintained.

このように包装された米飯加工食品Ａを食すのに米飯加工食品用包装材１を開封するには、図７（ａ）に示す如く、摘持部１０２ａ，１０２ｂを持って外フィルム１０を長さ方向に引っ張り、外フィルム１０を長さ方向に切断する。このとき、外フィルム１０は、二条のカットテープ１００ａ，１００ｂによって誘導されつつ切断する（裂ける）ことになり、図７（ｂ）に示す如く、外フィルム１０の幅方向の中央の領域が長さ方向の全長に亘って切除される。すなわち、外フィルム１０は、カットテープ１００ａ，１００ｂの貼着態様に対応して、切除される部位が長さ方向の中央位置側（二つ折りによる折り曲げ部分）に向けて拡大することになり、拡大部１０１と対応する部分において最大に開口することになる。   In order to open the packaged rice processed food 1 for eating the packaged processed rice A, the outer film 10 is held long by holding the gripping portions 102a and 102b as shown in FIG. The outer film 10 is cut in the length direction by pulling in the length direction. At this time, the outer film 10 is cut (broken) while being guided by the two cut tapes 100a and 100b, and the central region in the width direction of the outer film 10 has a length as shown in FIG. It is excised over the entire length of the direction. That is, the outer film 10 corresponds to the manner in which the cut tapes 100a and 100b are attached, and the part to be cut is enlarged toward the center position side in the length direction (folded part by folding in two). The opening corresponding to the portion 101 is maximized.

本実施形態においては、二条のカットテープ１００ａ，１００ｂの間隔がシート状食品Ｂの幅を基準に、外フィルム１０の両端部でシート状食品Ｂの幅の２０％〜５５％（より好ましくは、３０％〜５０％）に設定され、拡大部１０１でシート状食品Ｂの幅の６０％〜１１０％（より好ましくは、７５％〜９５％）に設定されているので、上述の如く、外フィルム１０の中央部分を切除すると、外フィルム１０と内フィルム２０との間に介装されたシート状食品Ｂの大部分が露呈した状態になる。   In the present embodiment, the interval between the two cut tapes 100a, 100b is 20% to 55% of the width of the sheet-like food B at both ends of the outer film 10 based on the width of the sheet-like food B (more preferably, 30% to 50%), and is set to 60% to 110% (more preferably, 75% to 95%) of the width of the sheet-like food B in the enlarged portion 101. Therefore, as described above, the outer film When the central portion of 10 is excised, most of the sheet-like food B interposed between the outer film 10 and the inner film 20 is exposed.

本実施形態において、二条のカットテープ１００ａ，１００ｂは、外フィルム１０の長さ方向の中央位置（拡大部１０１）の間隔よりも両端部の間隔の方が狭く設定されているので、シート状食品Ｂの四隅が外フィルム１０と内フィルム２０とによって挟まれた状態になる。特に、本実施形態に係る米飯加工食品用包装材１は、シート状食品Ｂの配置を拡大部１０１の配置に対応させる位置決シール部Ｓ３，…が形成されているので、残った外フィルム１０（少なくとも切断補助手段１００ａ，１００ｂの間隔の狭い部分に対応する外フィルム１０の四隅部分）がシート状食品の幅方向の両端部分（四隅部分）に対して幅方向において略均等に被った状態になり、シート状食品Ｂの四隅が外フィルム１０と内フィルム２０とによって挟まれた状態になる。   In the present embodiment, the two strips of tape 100a, 100b are set so that the distance between both ends is set narrower than the distance between the central positions (enlarged portions 101) in the length direction of the outer film 10. The four corners of B are sandwiched between the outer film 10 and the inner film 20. In particular, the packaging material 1 for processed cooked rice according to the present embodiment is formed with the positioning seal portions S3,... That make the arrangement of the sheet-like food B correspond to the arrangement of the enlarged portion 101. (At least the four corner portions of the outer film 10 corresponding to the narrow portions of the cutting assisting means 100a, 100b) are covered substantially equally in the width direction with respect to both end portions (four corner portions) in the width direction of the sheet-like food. That is, the four corners of the sheet-like food B are sandwiched between the outer film 10 and the inner film 20.

これにより、拡大部１０１でシート状食品Ｂの幅方向の略全域が露呈してもシート状食品Ｂが米飯加工食品用包装材１に保持された状態で維持することになる。   Thereby, even if the expansion region 101 exposes substantially the entire width direction of the sheet-like food B, the sheet-like food B is maintained in a state of being held by the cooked rice food packaging material 1.

そして、図７（ｃ）に示す如く、外フィルム１０及び内フィルム２０の長さ方向の両端部（重なりあった両端部）の両側を幅方向に引っ張ると、その引っ張り力が内フィルム２０の長さ方向の両端部に設けた破断用切欠部２０１，２０１に集中的に作用し、該破断用切欠部２０１，２０１に至るハーフカット２００に作用する。そうすると、ハーフカット２００が溝状をなして応力（力）が集中的に作用する態様であり、さらにハーフカット２００に対応する部位の厚みが周囲の厚みよりも薄くて強度が弱いため、破断用切欠部２０１，２０１に集中した引っ張り力がハーフカット２００に集中的に作用して当該部分が引き裂かれることになる。   And as shown in FIG.7 (c), when the both sides of the length direction both ends (overlapping both ends) of the outer film 10 and the inner film 20 are pulled in the width direction, the tensile force will be the length of the inner film 20 It acts on the cutout portions 201 and 201 for breaking provided at both ends in the vertical direction, and acts on the half cut 200 that reaches the cutout portions 201 and 201 for breakage. In this case, the half cut 200 forms a groove and stress (force) acts intensively. Further, since the thickness of the portion corresponding to the half cut 200 is thinner than the surrounding thickness and is weak, The pulling force concentrated on the notches 201 and 201 acts on the half cut 200 in a concentrated manner and the portion is torn.

これにより、内フィルム２０が長さ方向の全長に亘って切断する（切り裂かれる）と、外フィルム１０及び内フィルム２０の何れもが幅方向に二分された状態となり、図７（ｄ）に示す如く、米飯加工食品Ａとシート状食品Ｂとの間に介在する内フィルム２０が引き抜かれて米飯加工食品Ａとシート状食品Ｂとが一体的になる。本実施形態においては、上述の如く、外フィルム１０を二分させることでシート状食品Ｂの大部分が露呈、すなわち、シート状食品Ｂに対して外フィルム１０の対向する部分が少ないため、上述の如く、内フィルム２０を引き抜くに際して外フィルム１０とシート状食品Ｂとの間に抵抗が生じにくくなる。特に、本実施形態においては、切除後に残る外フィルム１０がシート状食品Ｂの幅方向で均等に被った状態となるため、上述の如く、幅方向に引っ張っても、残った外フィルム１０との接触による抵抗がシート状食品Ｂに対して幅方向で偏って作用しにくくなる。   As a result, when the inner film 20 is cut (broken) over the entire length in the length direction, both the outer film 10 and the inner film 20 are bisected in the width direction, as shown in FIG. Thus, the inner film 20 interposed between the cooked rice processed food A and the sheet food B is pulled out so that the cooked rice processed food A and the sheet food B are integrated. In the present embodiment, as described above, the outer film 10 is bisected so that most of the sheet-like food B is exposed, that is, the portion of the outer film 10 that faces the sheet-like food B is small. Thus, when the inner film 20 is pulled out, resistance is less likely to occur between the outer film 10 and the sheet-like food B. In particular, in the present embodiment, since the outer film 10 remaining after excision is uniformly covered in the width direction of the sheet-like food B, as described above, even if the outer film 10 is pulled in the width direction, Resistance due to contact is less likely to act on the sheet-like food B in the width direction.

これにより、シート状食品Ｂをより確実に破れにくくすることができる上に内側の米飯加工食品Ａの配置に対応させた状態で維持させることができ、シート状食品Ｂを破ることなく米飯加工食品Ａと一体的にして開封することができる。   Accordingly, the sheet-like food B can be more reliably prevented from being broken and can be maintained in a state corresponding to the arrangement of the inner cooked rice-processed food A, and the cooked-rice food without breaking the sheet-like food B Can be opened integrally with A.

以上のように、本実施形態に係る米飯加工食品用包装材１によれば、外フィルム１０は、幅方向に対して直交する長さ方向の全長に亘って該外フィルム１０を切断させる帯状の切断補助手段１００ａ，１００ｂが幅方向に並んで二条設けられるとともに、長さ方向の両端部に二条の切断補助手段１００ａ，１００ｂに跨る摘持部１０２ａ，１０２ｂが設けられ、二条の切断補助手段１００ａ，１００ｂは、長さ方向の一部に互いが離間して間隔を拡大させた拡大部１０１を形成し、内フィルム２０は、長さ方向の全長に亘って線状に延びる切断（破断）用のハーフカット２００が設けられた一枚のフィルムで構成されているので、内フィルム２０を隔て米飯加工食品Ａと対峙するシート状食品Ｂに米飯加工食品Ａの水分が到達することがなく、シート状食品Ｂ本来の味や食感を保ちつつ包装することができる。また、外フィルム１０及び内フィルム２０を円滑に二分できるとともに、これらを二分した上で幅方向に引っ張る際にシート状食品Ｂと外フィルム１０との間に生じる抵抗を小さくすることができる。すなわち、内フィルム２０の円滑な破断とシート状食品Ｂに対する抵抗の低減との相乗効果により、開封時にシート状食品Ｂが破れることなく円滑にシート状食品Ｂと米飯加工食品Ａとを一体的にして開封することができる。   As described above, according to the packaged food 1 for cooked rice food according to the present embodiment, the outer film 10 has a strip shape that cuts the outer film 10 over the entire length in the length direction orthogonal to the width direction. Two auxiliary cutting means 100a and 100b are provided side by side in the width direction, and two ends of the cutting auxiliary means 100a and 100b are provided at both ends in the length direction, and two auxiliary cutting means 100a are provided. , 100b form an enlarged portion 101 which is spaced apart from each other in a part of the length direction to enlarge the interval, and the inner film 20 is for cutting (breaking) extending linearly over the entire length in the length direction. The half-cut 200 is formed of a single film, so that the moisture of the cooked rice A does not reach the sheet food B facing the cooked rice A across the inner film 20. It can be packaged while maintaining a sheet-like food B original taste and texture. Moreover, while being able to bisect the outer film 10 and the inner film 20 smoothly, the resistance which arises between the sheet-like food B and the outer film 10 when pulling in the width direction after dividing them into two can be made small. That is, due to the synergistic effect of the smooth breakage of the inner film 20 and the reduction in resistance to the sheet-like food B, the sheet-like food B and the cooked rice A are smoothly integrated without breaking the sheet-like food B when opened. Can be opened.

また、前記二条の切断補助手段１００ａ，１００ｂのそれぞれは、波状に形成されるとともに長さ方向に延びる中心線ＣＬを基準に対称的に配置され、互いに離間した部位で前記拡大部１０１を形成しているので、切断補助手段１００ａ，１００ｂを単調な形態にしつつも拡大部１０１を形成することができる。そして、切断補助手段１００ａ，１００ｂの形態が単調であるため、煩雑な工程を経たり複雑な装置を用いたりすることなく外フィルム１０に対して切断補助手段１００ａ，１００ｂを設けることができる。   Further, each of the two cutting assisting means 100a and 100b is formed in a wave shape and symmetrically with respect to the center line CL extending in the length direction, and forms the enlarged portion 101 at portions separated from each other. Therefore, the enlarged portion 101 can be formed while making the cutting assisting means 100a and 100b monotonous. And since the form of the cutting | disconnection assistance means 100a and 100b is monotonous, the cutting | disconnection assistance means 100a and 100b can be provided with respect to the outer film 10, without passing through a complicated process or using a complicated apparatus.

さらに、外フィルム１０及び内フィルム２０は、介装されたシート状食品Ｂの幅方向の両側が少なくとも部分的にシールされ、シート状食品Ｂの配置を拡大部１０１の配置に対応させる位置決シール部Ｓ３，…が形成されているので、外フィルム１０を長さ方向の全長に亘って切除した上で外フィルム１０及び内フィルム２０を幅方向に引っ張ったときに、残った外フィルム１０との接触による抵抗がシート状食品Ｂに対して幅方向で偏って作用しにくくなり、シート状食品Ｂをより確実に破れにくくすることができる上に内側の米飯加工食品Ａの配置に対応させた状態で維持させることができる。   Furthermore, the outer film 10 and the inner film 20 are at least partially sealed on both sides in the width direction of the interposed sheet-like food B so that the arrangement of the sheet-like food B corresponds to the arrangement of the enlarged portion 101. Since the portions S3,... Are formed, when the outer film 10 and the inner film 20 are pulled in the width direction after the outer film 10 is cut out over the entire length in the length direction, The resistance caused by contact is less likely to be biased in the width direction with respect to the sheet-like food B, the sheet-like food B can be more reliably prevented from being broken, and the state corresponding to the arrangement of the inner cooked rice processed food A Can be maintained.

そして、前記内フィルム２０は、ハーフカット２００の配置に対応するように、長さ方向の両端部に破断用切欠部２０１，２０１が設けられているので、外フィルム１０及び内フィルム２０を幅方向に引っ張ったときの引っ張り力を破断用切欠部２０１，２０１を介してハーフカット２００に集中的に作用させることができ、ハーフカット２００に対応する部分で内フィルム２０を円滑に切り裂くことができる。   And since the inner film 20 is provided with the notches 201 and 201 for breaking at both ends in the length direction so as to correspond to the arrangement of the half cut 200, the outer film 10 and the inner film 20 are arranged in the width direction. The pulling force when it is pulled can be applied to the half cut 200 in a concentrated manner via the breaking notches 201, 201, and the inner film 20 can be smoothly cut at the portion corresponding to the half cut 200.

さらに、前記内フィルム２０を内側にして米飯加工食品Ａを包むに際し、外フィルム１０及び内フィルム２０を長さ方向に二つ折りにして互いに対向する端部同士をシールするように構成され、前記二条の切断補助手段１００ａ，１００ｂは、長さ方向の略中央位置に前記拡大部１０１を形成するように設けられているので、何れの端部側から外フィルム１０を切除しても外フィルム１０の中央部分で最大に開口することになり、外フィルム１０及び内フィルム２０を幅方向に引っ張ったときに、シート状食品Ｂに偏った抵抗が生じず、シート状食品Ｂと米飯加工食品Ａとの間から内フィルム２０を円滑に引き抜くことができる。   Furthermore, when wrapping the cooked rice processed food A with the inner film 20 on the inside, the outer film 10 and the inner film 20 are folded in half in the length direction and the opposite ends are sealed. Since the cutting assisting means 100a and 100b are provided so as to form the enlarged portion 101 at a substantially central position in the length direction, the outer film 10 can be cut off from any end side. When the outer film 10 and the inner film 20 are pulled in the width direction at the central portion, the sheet-shaped food B does not have a biased resistance when the outer film 10 and the inner film 20 are pulled in the width direction. The inner film 20 can be smoothly pulled out from the space.

また、前記二条の切断補助手段１００ａ，１００ｂは、外フィルム１０の長さ方向の両端部で所定の間隔をあけるように設けられるとともに、該両端部から外フィルム１０の長さ方向の略中央位置に向けて間隔が徐々に拡大して前記拡大部１０１を形成するように設けられているので、摘持部１０２ａ，１０２ｂを摘んで引っ張ることで外フィルム１０を二分させることができる上に、外フィルム１０の両端部間で幅を持たせて切除することができる。   The two strips of cutting assisting means 100a and 100b are provided so as to be spaced from each other at both end portions in the length direction of the outer film 10, and are approximately centered in the length direction of the outer film 10 from the both end portions. The outer film 10 can be bisected by grasping and pulling the gripping portions 102a and 102b, and the outer portion 10 can be divided into two. The film 10 can be cut with a width between both ends.

特に、前記二条の切断補助手段１００ａ，１００ｂは、前記拡大部１０１での最大間隔がシート状食品Ｂの幅寸法に対し、６０％〜１１０％に設定されるので、外フィルム１０を二条の切断補助手段１００ａ，１００ｂに沿って切断したときに、拡大部１０１に対応する部分がシート状食品Ｂの幅を基準に開口するので、シート状食品Ｂと米飯加工食品Ａとの間から内フィルム２０を引き抜く際のシート状食品Ｂと外フィルム１０との間で作用する抵抗を確実に低くすることができる。   In particular, since the maximum interval at the enlarged portion 101 is set to 60% to 110% with respect to the width dimension of the sheet-like food B, the two-row cutting assisting means 100a and 100b are configured to cut the outer film 10 into two-rows. When cut along the auxiliary means 100a, 100b, the portion corresponding to the enlarged portion 101 opens based on the width of the sheet-like food B, so that the inner film 20 is inserted between the sheet-like food B and the cooked rice A. The resistance acting between the sheet-like food B and the outer film 10 when pulling out can be reliably reduced.

また、前記二条の切断補助手段１００ａ，１００ｂは、外フィルム１０の長さ方向の両端部での間隔が、シート状食品Ｂの幅寸法に対し、２０％〜５５％に設定されるので、外フィルム１０を二条の切断補助手段１００ａ，１００ｂに沿って切断したときに、少なくともシート状食品Ｂの四隅部分を外フィルム１０と内フィルム２０とに挟まれた状態（シート状食品Ｂが不用意に脱落してしまうのを防止した状態）にすることができる上に、内フィルム２０を引き抜くときにシート状食品Ｂに作用する抵抗も小さくしてシート状食品Ｂが破れるのを防止することができる。   In addition, the two strips of auxiliary cutting means 100a and 100b have an interval between both ends in the length direction of the outer film 10 set to 20% to 55% with respect to the width dimension of the sheet-like food B. When the film 10 is cut along the two cutting assisting means 100a, 100b, at least four corners of the sheet-like food B are sandwiched between the outer film 10 and the inner film 20 (the sheet-like food B is careless) In addition, the resistance acting on the sheet-like food B when the inner film 20 is pulled out can be reduced to prevent the sheet-like food B from being broken. .

そして、二条の切断補助手段１００ａ，１００ｂは、帯状のカットテープ１００ａ，１００ｂで構成されているので、外フィルム１０を確実に誘導して切断することができる。   And since the two cutting | disconnection auxiliary | assistance means 100a, 100b are comprised by the strip-shaped cut tape 100a, 100b, the outer film 10 can be guide | induced reliably and can be cut | disconnected.

尚、本発明の米飯加工食品用包装材は、上記実施形態に限定されるものではなく、本発明の要旨を逸脱しない範囲内において種々変更を加え得ることは勿論である。   In addition, the packaging material for cooked rice processed foods of this invention is not limited to the said embodiment, Of course, a various change can be added in the range which does not deviate from the summary of this invention.

上記実施形態において、二条の切断補助手段１００ａ，１００ｂを帯状のカットテープで構成したが、これに限定されるものではなく、例えば、拡大部１０１を形成することを前提に、各切断補助手段１００ａ，１００ｂを線状のハーフカットやミシン目で構成してもよい。そして、上記実施形態と同様に切断補助手段１００ａ，１００ｂの両側に一対の切込部１０３，１０３を設けて切込部１０３，１０３間に摘持部１０２ａ，１０２ｂを設けたり、各切断補助手段１００ａ，１００ｂと重なるように一対の切込部１０３，１０３を設けて切込部１０３，１０３間に摘持部１０２ａ，１０２ｂを設けたりしてもよい。すなわち、摘持部１０２ａ，１０２ｂは、外フィルム１０の長さ方向の端部において、少なくとも二条の切断補助手段１００ａ，１００ｂ間の領域（切除の対象となる領域）を含むように、幅方向で二条の切断補助手段１００ａ，１００ｂに跨るように設ければよい。   In the above-described embodiment, the two cutting assisting means 100a and 100b are configured by strip-shaped cut tapes. However, the present invention is not limited to this, and for example, on the assumption that the enlarged portion 101 is formed, each cutting assisting means 100a. , 100b may be constituted by linear half cuts or perforations. And like the above-mentioned embodiment, a pair of notch parts 103 and 103 are provided on both sides of the cutting assisting means 100a and 100b, and gripping parts 102a and 102b are provided between the notching parts 103 and 103. A pair of notches 103, 103 may be provided so as to overlap with 100a, 100b, and the gripping portions 102a, 102b may be provided between the notches 103, 103. That is, the gripping portions 102a and 102b are arranged in the width direction so as to include at least a region between the two auxiliary cutting means 100a and 100b (region to be cut) at the end in the length direction of the outer film 10. What is necessary is just to provide so that it may straddle the two cutting | disconnection assistance means 100a and 100b.

上記実施形態において、二条の切断補助手段（カットテープ）１００ａ，１００ｂを波形に形成するとともに、全長に亘って互いに間隔をあけるようにして対称に配置するようにしたが、これに限定されるものではなく、例えば、図８に示す如く、二条の切断補助手段（カットテープ）１００ａ，１００ｂを波形に形成するとともに、外フィルム１０の幅方向の中央位置で交差するように対称的に配置してもよい。   In the above embodiment, the two cutting assisting means (cut tapes) 100a and 100b are formed in a corrugated shape and arranged symmetrically so as to be spaced apart from each other over the entire length. Instead, for example, as shown in FIG. 8, two cutting assisting means (cut tapes) 100 a and 100 b are formed in a corrugated shape and symmetrically arranged so as to intersect at the center position in the width direction of the outer film 10. Also good.

この場合においても、図９に示す外フィルム１０の連続体である外フィルム用原反１０’を所定長さに切断することで、外フィルム１０を連続的に作製することができる。かかる外フィルム１０も二条の切断補助手段１００ａ，１００ｂが互いに離間した拡大部１０１を備えるので、上記実施形態と同様の作用及び効果を奏することができる。但し、二条の切断補助手段１００ａ，１００ｂを互いに交差させるようにすると、二条の切断補助手段１００ａ，１００ｂを設けるための装置が複雑化するため、上記実施形態のように全長に亘って互いに間隔をあけるよう二条の切断補助手段（カットテープ）１００ａ，１００ｂを設けることが好ましい。   Also in this case, the outer film 10 can be continuously produced by cutting the outer film original fabric 10 ′, which is a continuous body of the outer film 10 shown in FIG. 9, into a predetermined length. The outer film 10 also has the same operation and effect as the above embodiment because the two cutting assisting means 100a and 100b are provided with the enlarged portions 101 that are separated from each other. However, if the two cutting assisting means 100a and 100b cross each other, the apparatus for providing the two stripping assisting means 100a and 100b becomes complicated. It is preferable to provide two cutting assisting means (cut tapes) 100a and 100b so as to be opened.

上記実施形態において、内フィルム２０の長さ方向の両端部に設けた破断用切欠部２０１，２０１を半円状にしたが、これに限定されるものではなく、例えば、図１０（ａ）に示す如く、ハーフカット２００が頂点に繋がるよう破断用切欠部２０１，２０１を三角形状に形成したり、図１０（ｂ）及び図１０（ｃ）に示す如く、破断用切欠部２０１，２０１を半楕円形状に形成したりしてもよい。このように、破断用切欠部２０１，２０１を半楕円形状に形成する場合においては、図１０（ｂ）に示す如く、ハーフカット２００から延長する仮想線が短径上を通るようにして破断用切欠部２０１，２０１を横長に形成したり、図１０（ｃ）に示す如く、ハーフカット２００から延長する仮想線が長径上を通るようにして破断用切欠部２０１，２０１を縦長に形成したりしてもよい。   In the said embodiment, although the notch parts 201 and 201 for a fracture | rupture provided in the both ends of the length direction of the inner film 20 were made into semicircle shape, it is not limited to this, For example, Fig.10 (a) As shown in FIG. 10, the breaking notches 201 and 201 are formed in a triangular shape so that the half cut 200 is connected to the apex, or the breaking notches 201 and 201 are half-cut as shown in FIGS. 10B and 10C. It may be formed in an elliptical shape. As described above, in the case where the breaking notches 201 and 201 are formed in a semi-elliptical shape, as shown in FIG. 10B, the imaginary line extending from the half cut 200 passes along the minor axis for breaking. The notches 201 and 201 are formed in a horizontally long shape, or as shown in FIG. 10 (c), the breaking notches 201 and 201 are formed in a vertically long shape so that a virtual line extending from the half cut 200 passes on the long diameter. May be.

上記実施形態において、外フィルム用原反１０’（長尺フィルムＦａ）と内フィルム用原反２０’（長尺フィルムＦｂ）とを長手方向に供給しつつシールして米飯加工食品用包装材１を連続的に作製するようにしたが、これに限定されるものではなく、例えば、内フィルム用原反２０’（長尺フィルムＦｂ）及び外フィルム用原反２０’（長尺フィルムＦｂ）のそれぞれを予め枚葉状に切断しておき、これによって形成された枚葉状の内フィルム２０と外フィルム１０とを積層してシールすることで、米飯加工食品用包装材１を作製するようにしてもよい。   In the above embodiment, the outer film original fabric 10 '(long film Fa) and the inner film original fabric 20' (long film Fb) are sealed while being supplied in the longitudinal direction, and the packaging material 1 for cooked rice processed foods 1 is used. However, the present invention is not limited to this. For example, the inner film 20 '(long film Fb) and the outer film 20' (long film Fb) are used. Each of them is cut into a sheet in advance, and the sheet-like inner film 20 and the outer film 10 formed thereby are laminated and sealed to produce the cooked rice food packaging material 1. Good.

上記実施形態において、外フィルム１０の端部に一対の切込部１０３，１０３を入れて摘持部１０２ａ，１０２ｂを形成したが、これに限定されるものではなく、例えば、摘持部１０２ａ，１０２ｂを周囲よりも外側に突出した突片状に形成してもよい。この場合、外フィルム１０に対し、突片の両側に切込部１０３，１０３を入れたり、突片の付け根部分と周囲の端縁とが９０°以下になるようにしたりして、突片を引っ張ったときの力が外フィルム１０を切り裂くことに対して起因するよう、突片の付け根に集中的に作用させるように構成することが好ましい。   In the above embodiment, the pair of cut portions 103, 103 are inserted into the end portion of the outer film 10 to form the grip portions 102a, 102b. However, the present invention is not limited to this. For example, the grip portions 102a, You may form 102b in the shape of the protrusion which protruded outside rather than the circumference | surroundings. In this case, with respect to the outer film 10, the notches 103, 103 are made on both sides of the projecting piece, or the base part of the projecting piece and the peripheral edge are 90 ° or less, and the projecting piece is It is preferable that the pulling force is caused to concentrate on the base of the protruding piece so that the pulling force is caused by the tearing of the outer film 10.

上記実施形態において、外フィルム１０の長さ方向の両端部に摘持部１０２ａ，１０２ｂを設けたが、これに限定されるものではなく、例えば、何れか一端部に摘持部１０２ａ，１０２ｂを設けるようにすればよい。このようにしても、二条の切断補助手段１００ａ，１００ｂが外フィルム１０の全長に亘って設けられているので、摘持部１０２ａ，１０２ｂを引っ張ることで、外フィルム１０を全長に亘って切断（切除）することができる。但し、開封時の利便性を考慮すれば、外フィルム１０の長さ方向の両端部に摘持部１０２ａ，１０２ｂを設けることが好ましいことは言うまでもない。   In the above embodiment, the holding portions 102a and 102b are provided at both ends in the length direction of the outer film 10. However, the present invention is not limited to this. For example, the holding portions 102a and 102b are provided at either one end portion. What is necessary is just to provide. Even if it does in this way, since two cutting | disconnection auxiliary | assistance means 100a, 100b are provided over the full length of the outer film 10, the outer film 10 is cut | disconnected over the full length by pulling the holding parts 102a, 102b ( Excision). However, it is needless to say that it is preferable to provide the gripping portions 102 a and 102 b at both ends in the length direction of the outer film 10 in consideration of the convenience at the time of opening.

上記実施形態において、外フィルム１０の長さ方向の中央位置の一カ所で間隔が最大となる拡大部１０１を形成するように二条の切断補助手段１００ａ，１００ｂを設けたが、これに限定されるものではなく、例えば、外フィルム１０の長さ方向の複数箇所で間隔が最大となる拡大部１０１を形成するように二条の切断補助手段１００ａ，１００ｂを設けてもよい。このようにしても、各拡大部１０１で大きく開口してシート状食品Ｂと外フィルム１０との抵抗を小さくできる上に、開口の狭い部分でシート状食品Ｂの両側端部に外フィルム１０が被さって内フィルム２０を引き抜くまでにシート状食品Ｂが不用意に脱落してしまうことを防止することができる。   In the embodiment described above, the two strip assisting means 100a and 100b are provided so as to form the enlarged portion 101 having the maximum interval at one central position in the length direction of the outer film 10. However, the present invention is limited to this. For example, the two cutting assisting means 100a and 100b may be provided so as to form the enlarged portions 101 having the maximum intervals at a plurality of locations in the length direction of the outer film 10. Even if it does in this way, in addition to opening large in each enlarged part 101, the resistance of the sheet-like food B and the outer film 10 can be made small, and the outer film 10 is on both side edge parts of the sheet-like food B in a narrow opening part. It is possible to prevent the sheet-like food B from being inadvertently dropped before the inner film 20 is pulled out.

本発明の一実施形態に係る米飯加工食品用包装材で米飯加工食品を包装した状態の斜視図を示す。The perspective view of the state which packed the cooked rice processed food with the packaging material for cooked rice processed food which concerns on one Embodiment of this invention is shown. 同実施形態に係る米飯加工食品用包装材の分解斜視図を示す。The disassembled perspective view of the packaging material for cooked rice processed foods concerning the embodiment is shown. 同実施形態に係る米飯加工食品用包装材の平面図であって、（ａ）は、外フィルム側から見た図を示し、（ｂ）は、内フィルム側から見た図を示す。It is a top view of the packaging material for processed rice foods concerning the embodiment, Comprising: (a) shows the figure seen from the outer film side, (b) shows the figure seen from the inner film side. 同実施形態に係る米飯加工食品用包装材の外フィルムを作製するための原反の部分平面図を示す。The partial top view of the original fabric for producing the outer film of the packaging material for cooked rice processed foods concerning the embodiment is shown. 同実施形態に係る米飯加工食品用包装材の製造工程の概略を説明するための概略斜視図を示す。The schematic perspective view for demonstrating the outline of the manufacturing process of the packaging material for processed rice foods based on the embodiment is shown. 同実施形態に係る米飯加工食品用包装材で米飯加工食品を包装する際の工程図であって、（ａ）は、米飯加工食品用包装材の上に米飯加工食品を配置した状態の斜視図を示し、（ｂ）は、米飯加工食品用包装材を二つ折りにした状態の斜視図を示し、（ｃ）は、米飯加工食品用包装材の両側端部を折り曲げて対向する相手側とシールした状態の斜視図を示し、（ｄ）は、開口部分をシールして閉塞した状態（米飯加工食品を包装した状態）の斜視図を示す。It is a process figure at the time of packaging cooked-rice processed food with the packaging material for cooked-rice processed food which concerns on the embodiment, Comprising: (a) is a perspective view of the state which has arrange | positioned cooked-rice processed food on the packaged material for cooked-rice processed food (B) shows the perspective view of the state which folded the packaging material for cooked rice processed foods in half, (c) bent the both ends of the packaging material for cooked rice processed foods, and seals the other party which opposes (D) shows the perspective view of the state (sealed rice cooked food) which sealed and closed the opening part. 同実施形態に係る米飯加工食品用包装材で米飯加工食品を開封する際の工程図であって、（ａ）は、摘持部を引っ張って外フィルムを切断させている状態の斜視図を示し、（ｂ）は、外フィルムの一部を長さ方向に切除して外フィルムを幅方向に二分割した状態の斜視図を示し、（ｃ）は、米飯加工食品用包装材の端部の両端を引っ張って内フィルムを切断させつつ内フィルムを米飯加工食品とシート状食品との間から引き抜いている状態の斜視図を示し、（ｄ）は、内フィルムを米飯加工食品とシート状食品との間から引き抜いて米飯加工食品とシート状食品とを一体にした状態（米飯加工食品用包装材を開封した状態）の斜視図を示す。It is process drawing at the time of opening a cooked rice processed food with the packaging material for cooked rice processed food which concerns on the embodiment, Comprising: (a) shows the perspective view of the state which has pulled the holding part and cut | disconnected the outer film , (B) shows a perspective view of a state in which a part of the outer film is cut in the length direction and the outer film is divided into two in the width direction, and (c) shows the end of the packaged food for cooked rice food The both ends are cut | disconnected and the inner film is cut | disconnected and the perspective view of the state which is pulling out the inner film from between cooked rice processed food and sheet-like food is shown, (d), The perspective view of the state (The state which opened the packaging material for cooked rice processed foods) which pulled out from between them and united the cooked rice processed food and the sheet-like food is shown. 本発明の他実施形態に係る米飯加工食品用包装材の外フィルムの平面図を示す。The top view of the outer film of the packaging material for cooked rice processed food which concerns on other embodiment of this invention is shown. 図８に示す外フィルムを作製するための原反の部分平面図を示す。The partial top view of the original fabric for producing the outer film shown in FIG. 8 is shown. 本発明の別の実施形態に係る米飯加工食品用包装材の内フィルムの部分拡大平面図であって、（ａ）は、内フィルムの長さ方向の端部に設けられる破断用切欠部を三角形状にした内フィルムの部分拡大平面図を示し、（ｂ）は、内フィルムの長さ方向の端部に設けられる破断用切欠部を横長な半楕円状にした内フィルムの部分拡大平面図を示し、（ｃ）は、内フィルムの長さ方向の端部に設けられる破断用切欠部を縦長な半楕円状にした内フィルムの部分拡大平面図を示す。It is the elements on larger scale of the inner film of the packaging material for cooked rice foodstuffs concerning another embodiment of this invention, Comprising: (a) is a triangular notch part for a fracture | rupture provided in the edge part of the length direction of an inner film. A partially enlarged plan view of a shaped inner film is shown, (b) is a partially enlarged plan view of an inner film in which a notch for breaking provided at the end in the longitudinal direction of the inner film is formed into a horizontally long semi-elliptical shape. (C) shows a partially enlarged plan view of the inner film in which the notch for breaking provided at the end in the length direction of the inner film is formed into a vertically long semi-elliptical shape.

符号の説明Explanation of symbols

１…米飯加工食品用包装材、１’…包装材用原反、１０…外フィルム、１０’…外フィルム用原反、２０…内フィルム、２０’…内フィルム用原反、１００ａ，１００ｂ…切断補助手段（カットテープ）、１００ａ’，１００ｂ’…テープ、１０１…拡大部、１０２ａ，１０２ｂ…摘持部、１０３…切込部、１０４…外側切欠部、１０５…折込用外側切欠部、２００…ハーフカット、２０１…破断用切欠部（切欠部）、２０２…折込用内側切欠部、Ａ…米飯加工食品、Ｂ…シート状食品、ＣＬ…中心線、Ｆａ，Ｆｂ…長尺フィルム   DESCRIPTION OF SYMBOLS 1 ... Raw food processing food packaging material, 1 '... Packing material raw material, 10 ... Outer film, 10' ... Outer film raw material, 20 ... Inner film, 20 '... Inner film raw material, 100a, 100b ... Cutting assist means (cut tape), 100a ′, 100b ′ ... tape, 101 ... enlarged portion, 102a, 102b ... pinch portion, 103 ... cut portion, 104 ... outside cutout portion, 105 ... outside cutout portion for folding, 200 ... Half cut, 201 ... Notch for break (notch), 202 ... Inner notch for folding, A ... Processed rice food, B ... Sheet food, CL ... Center line, Fa, Fb ... Long film

Claims (9)

幅方向に分割可能に構成された外フィルムと、シート状食品を介して外フィルムに重ね合わされ、外フィルムと同方向に分離可能に構成された内フィルムとを備え、シート状食品を囲むように外フィルムと内フィルムとがシールされた米飯加工食品用包装材において、外フィルムは、幅方向に対して直交する長さ方向の全長に亘って該外フィルムを切断させる線状又は帯状の切断補助手段が幅方向に並んで二条設けられるとともに、長さ方向の少なくとも何れか一方の端部に二条の切断補助手段に跨る摘持部が設けられ、二条の切断補助手段は、長さ方向の少なくとも一部に互いが離間して間隔を拡大させた拡大部を形成し、内フィルムは、長さ方向の全長に亘って線状に延びる切断用のハーフカットが設けられた一枚のフィルムで構成されていることを特徴とする米飯加工食品用包装材。   An outer film configured to be separable in the width direction and an inner film overlapped with the outer film via a sheet-like food and configured to be separable in the same direction as the outer film so as to surround the sheet-like food In the packaged food for cooked rice foods in which the outer film and the inner film are sealed, the outer film is a linear or strip-shaped cutting aid that cuts the outer film over the entire length in the length direction orthogonal to the width direction. The means are provided in two rows side by side in the width direction, and at least one end in the length direction is provided with a gripping portion straddling the two pieces of cutting assistance means, and the two pieces of cutting assistance means are at least in the length direction. The inner film is formed of a single film provided with a half-cut for cutting extending linearly over the entire length in the length direction. Is Cooked rice processed food packaging material, characterized in that there. 二条の切断補助手段のそれぞれは、波状に形成されるとともに、長さ方向に延びる外フィルムの中心線を基準にして対称的に配置され、拡大部は、二条の切断補助手段が互いに離間した部位で形成されている請求項１記載の米飯加工食品用包装材。   Each of the two cutting assisting means is formed in a wave shape and is symmetrically arranged with respect to the center line of the outer film extending in the length direction, and the enlarged portion is a portion where the two cutting assisting means are separated from each other The packaging material for cooked rice processed foods according to claim 1, which is formed by: 外フィルム及び内フィルムは、介装されたシート状食品の幅方向の両側が少なくとも部分的にシールされ、シート状食品の配置を拡大部の配置に対応させる位置決シール部が形成されている請求項１又は２記載の米飯加工食品用包装材。   The outer film and the inner film are at least partially sealed on both sides in the width direction of the interposed sheet-like food, and a positioning seal portion is formed that corresponds the arrangement of the sheet-like food to the arrangement of the enlarged portion. Item 1. A packaging material for cooked rice food according to item 1 or 2. 内フィルムは、ハーフカットの配置に対応するように、幅方向と直交する長さ方向の両端部に切欠部が設けられている請求項１乃至３の何れか１項に記載の米飯加工食品用包装材。   4. The cooked rice processed food product according to claim 1, wherein the inner film is provided with notches at both ends in the length direction orthogonal to the width direction so as to correspond to the arrangement of the half cut. Packaging material. 内フィルムを内側にして米飯加工食品を包むに際し、外フィルム及び内フィルムを長さ方向に二つ折りにして互いに対向する端部同士をシールするように構成され、二条の切断補助手段は、外フィルムの長さ方向の略中央位置に拡大部を形成するように設けられている請求項１乃至４の何れか１項に記載の米飯加工食品用包装材。   When wrapping cooked rice processed food with the inner film inside, the outer film and the inner film are folded in half in the length direction and the ends facing each other are sealed. The packaging material for cooked rice processed foods according to any one of claims 1 to 4, wherein the packaging material is provided so as to form an enlarged portion at a substantially central position in the length direction. 二条の切断補助手段は、外フィルムの長さ方向の両端部で幅方向に所定の間隔をあけるように設けられるとともに、該両端部から外フィルムの長さ方向の略中央位置に向けて間隔が徐々に拡大して拡大部を形成するように設けられている請求項５に記載の米飯加工食品用包装材。   The two strip cutting assisting means are provided so as to have a predetermined interval in the width direction at both ends in the length direction of the outer film, and the distance from the both ends toward a substantially central position in the length direction of the outer film. The packaging material for cooked rice processed foods according to claim 5, which is provided so as to gradually expand to form an enlarged portion. 二条の切断補助手段は、拡大部での最大間隔がシート状食品の幅寸法の６０％〜１１０％に設定されている請求項１乃至６の何れか１項に記載の米飯加工食品用包装材。   The package material for cooked rice processed food according to any one of claims 1 to 6, wherein the two-row cutting auxiliary means has a maximum interval at the enlarged portion set to 60% to 110% of the width of the sheet-like food. . 二条の切断補助手段は、互いの間隔が外フィルムの長さ方向の両端部で最小になるように設けられ、該最小の間隔がシート状食品の幅寸法の２０％〜５５％に設定されている請求項１乃至７の何れか１項に記載の米飯加工食品用包装材。   The two-row cutting assisting means are provided such that the distance between each other is minimized at both ends in the length direction of the outer film, and the minimum distance is set to 20% to 55% of the width dimension of the sheet-like food. The packaged material for cooked rice food according to any one of claims 1 to 7. 二条の切断補助手段は、帯状のカットテープで構成されている請求項１乃至８の何れか１項に記載の米飯加工食品用包装材。   The packaging material for cooked rice processed food according to any one of claims 1 to 8, wherein the two-row cutting assisting means is composed of a strip-shaped cut tape.
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