JP7429983B2 - Packaging rice balls and packaging methods for rice balls - Google Patents

Packaging rice balls and packaging methods for rice balls Download PDF

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JP7429983B2
JP7429983B2 JP2021153509A JP2021153509A JP7429983B2 JP 7429983 B2 JP7429983 B2 JP 7429983B2 JP 2021153509 A JP2021153509 A JP 2021153509A JP 2021153509 A JP2021153509 A JP 2021153509A JP 7429983 B2 JP7429983 B2 JP 7429983B2
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rice ball
opening aid
packaging
tape
width
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雄一郎 中村
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アイワ工業株式会社
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

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Description

この発明は、握り飯用の包装材に関する。 The present invention relates to a packaging material for rice balls.

特許文献１や特許文献２などには、おにぎり用外包フィルムが記載されている。長方形のフィルム本体に開封補助テープが取り付けられており、このおにぎり用外包フィルムで円盤状のおにぎりを包装する。食べるときには、この開封補助テープにより開封する。 Patent Document 1, Patent Document 2, and the like describe outer packaging films for rice balls. An auxiliary opening tape is attached to the rectangular film body, and a disc-shaped rice ball is wrapped with this outer wrapping film for rice balls. When ready to eat, use this opening aid tape to open the package.

意匠登録第１２０３５４０号公報Design Registration No. 1203540 Publication 意匠登録第１２０４０１１号公報Design Registration No. 1204011 Publication

特許文献１や特許文献２などに記載されたおにぎり用外包フィルムの開封補助テープは細いものである。同文献には幅寸法は明記されていないが、このような外包フィルムの開封補助テープの幅は通常は１０ｍｍ以下である。また、フィルム本体や開封補助テープの厚さ寸法も明記されていないが、このような外包フィルムの場合、厚さは２０μｍ以下である。このような従来の外包フィルムでおにぎりを包装した場合、外包フィルムは薄い膜としておにぎりを包み、包装体としてはおにぎり自体の形状のままである。おにぎり用外包フィルム自体には構造材としての強度はない。特許文献１や特許文献２の使用状態を示す参考図に示されるように、包装されたおにぎりは広い面を水平にした状態で置かれることになる。 The opening aid tape for the outer packaging film for rice balls described in Patent Document 1 and Patent Document 2 is thin. Although the width dimension is not specified in this document, the width of such an opening aid tape for an outer packaging film is usually 10 mm or less. Further, the thickness dimensions of the film body and the opening aid tape are not specified, but in the case of such an outer packaging film, the thickness is 20 μm or less. When a rice ball is packaged with such a conventional outer wrapping film, the outer wrapping film wraps the rice ball as a thin film, and the package remains in the shape of the rice ball itself. The outer wrapping film for rice balls itself does not have the strength as a structural material. As shown in the reference drawings showing usage conditions in Patent Document 1 and Patent Document 2, the wrapped rice ball is placed with its wide surface horizontal.

しかし、包装握り飯は店頭においては広い面を垂直にした状態で陳列されることが好ましい。その方が多数を狭い場所に並べることができ、また広い面に記載された商品名や説明を消費者が見ることができる。従来の包装部材は握り飯を立てた状態で支持するような強度を有しないため、そのような陳列は行いにくい。この発明は、握り飯を立った状態で支持しやすく、しかも簡単に広い開口を得ることができる握り飯用包装材および握り飯用包装材原反を提供することを目的とする。 However, it is preferable that the packaged rice balls are displayed in stores with their wide sides vertical. This allows a large number of products to be lined up in a small space, and also allows consumers to see the product name and description written on a larger surface. Conventional packaging members do not have the strength to support the rice balls in an upright state, making such display difficult. An object of the present invention is to provide a packaging material for rice balls and an original fabric of the packaging material for rice balls, which can easily support rice balls in an upright state and can easily have a wide opening.

上述の課題を解決するため、この発明の握り飯用包装材は、プラスチックフィルムを素材とする長方形状の包装シートと、包装シートに設けられた開封補助テープと、開封補助テープに沿ったいずれかの位置で包装シートに形成された切込み線と、切込み線を覆うカバーシートを有し、包装シートと開封補助テープの厚さが２０μｍ以上であり、開封補助テープの幅が２０ｍｍ以上かつ包装対象の握り飯の幅の８０％以下である。 In order to solve the above-mentioned problems, the packaging material for rice balls of the present invention includes a rectangular packaging sheet made of plastic film, an opening aid tape provided on the packaging sheet, and any one along the opening aid tape. The packaging sheet has a cut line formed in the packaging sheet at the position and a cover sheet that covers the cut line, the thickness of the packaging sheet and the opening aid tape is 20 μm or more, the width of the opening aid tape is 20 mm or more, and the rice ball is to be packaged. 80% or less of the width.

また、この発明の握り飯用包装材原反は、連続した帯状のプラスチックフィルムを素材とする包装シートと、包装シートの長さ方向に沿って設けられた開封補助テープと、開封補助テープに沿って所定の周期で包装シートに形成された切込み線と、切込み線を覆うカバーシートを有し、包装シートと開封補助テープの厚さが２０μｍ以上であり、開封補助テープの幅が２０ｍｍ以上かつ包装対象の握り飯の幅の８０％以下である。 In addition, the original packaging material for rice balls of the present invention includes a packaging sheet made of a continuous band-shaped plastic film, an opening aid tape provided along the length direction of the packaging sheet, and an opening aid tape provided along the opening aid tape. It has score lines formed on the packaging sheet at predetermined intervals and a cover sheet that covers the score lines, the thickness of the packaging sheet and the opening aid tape is 20 μm or more, the width of the opening aid tape is 20 mm or more, and the package is subject to packaging. It is less than 80% of the width of a rice ball.

さらに、開封補助テープの幅が包装対象の握り飯の幅の４０％以上８０％以下であり、開封補助テープの幅中心が包装シート幅中心とずれた位置に設けることもできる。 Furthermore, the width of the opening aid tape is 40% or more and 80% or less of the width of the rice ball to be packaged, and the width center of the opening aid tape may be provided at a position shifted from the packaging sheet width center.

この発明において、厚くて幅広い開封補助テープが包装された握り飯を支え、握り飯を立った状態で支持することができる。 In this invention, the thick and wide opening auxiliary tape supports the packaged rice ball and can support the rice ball in an upright position.

握り飯用包装材原反の第１の例を示す斜視図である。FIG. 2 is a perspective view showing a first example of a raw packaging material for rice balls. 握り飯用包装材の第１の例を示す正面図である。It is a front view showing a first example of a packaging material for rice balls. 同平面図である。FIG. 同左側面図である。It is a left side view of the same. 同右側面図である。It is a right side view of the same. 同拡大Ａ－Ａ断面図である。It is an enlarged AA sectional view of the same. 包装握り飯の第１の例を示す斜視図である。It is a perspective view showing a first example of a packaged rice ball. 握り飯用包装材原反の第２の例を示す斜視図である。It is a perspective view which shows the 2nd example of the packaging material original fabric for rice balls. 握り飯用包装材の第２の例を示す正面図である。It is a front view which shows the 2nd example of the packaging material for rice balls. 同平面図である。FIG. 同左側面図である。It is a left side view of the same. 同右側面図である。It is a right side view of the same. 同拡大Ａ－Ａ断面図である。It is an enlarged AA sectional view of the same. 包装握り飯の第２の例を示す斜視図である。It is a perspective view which shows the 2nd example of a packaged rice ball.

この発明を実施するための形態について図面に基づいて説明する。まず、第１の実施形態について説明する。図１は握り飯用包装材原反の第１の例を示す斜視図である。プラスチックフィルムを素材とする長方形状の包装シート２は一定の幅の連続シートである。この包装シート２上には、その長さ方向に沿って開封補助テープ３が設けられている。そして、開封補助テープ３に沿って所定の周期Ｌで包装シート２と開封補助テープ３に切込み線４が形成されている。この周期Ｌが１枚の握り飯用包装材を構成する単位長さとなる。そして、切込み線４のある位置において、切込み線４を覆うカバーシート５が設けられている。 Embodiments for carrying out the invention will be described based on the drawings. First, a first embodiment will be described. FIG. 1 is a perspective view showing a first example of a raw packaging material for rice balls. The rectangular packaging sheet 2 made of plastic film is a continuous sheet with a constant width. An opening aid tape 3 is provided on the packaging sheet 2 along its length. Cut lines 4 are formed in the packaging sheet 2 and the opening auxiliary tape 3 at a predetermined period L along the opening auxiliary tape 3. This period L is the unit length that constitutes one rice ball packaging material. A cover sheet 5 that covers the score line 4 is provided at a position where the score line 4 is located.

このような開封補助テープはカットテープなどと呼ばれ、これを備えた食品包装材はすでに普及している。しかし、本発明においては、包装シート２は通常の握り飯用包装材よりも厚く、また開封補助テープ３は通常の握り飯用包装材より厚く幅広い。本例においては、包装シート２は厚さが４０μｍであり、開封補助テープ３は厚さが４０μｍで幅が２０ｍｍである。そして、開封補助テープ３は包装シート２の幅中央に沿って設けられている。また、包装シート２の幅は２００ｍｍ、繰返し周期は２２０ｍｍである。これは、幅８５ｍｍ程度で厚さ３０ｍｍ程度の円盤状の握り飯の包装用として選択した。 Such an opening aid tape is called a cut tape, and food packaging materials equipped with this tape are already in widespread use. However, in the present invention, the packaging sheet 2 is thicker than the usual packaging material for rice balls, and the opening aid tape 3 is thicker and wider than the usual packaging material for rice balls. In this example, the packaging sheet 2 has a thickness of 40 μm, and the opening aid tape 3 has a thickness of 40 μm and a width of 20 mm. The opening aid tape 3 is provided along the width center of the packaging sheet 2. Moreover, the width of the packaging sheet 2 is 200 mm, and the repetition period is 220 mm. This was selected for packaging disc-shaped rice balls with a width of about 85 mm and a thickness of about 30 mm.

この握り飯用包装材原反１０は紙管１１に巻かれた状態で食品製造業者等に提供される。食品製造業者等はこの握り飯用包装材原反１０を使用して握り飯を包装し、包装握り飯を得る。紙管１１から引き出していき、先端にある部分に握り飯を載せ、所定の切断位置で一枚分の握り飯用包装材を切り出しながら、その握り飯用包装材で握り飯を包む。このとき、握り飯を立てたときに頂点となる位置に切込み線４を合わせる。そして、握り飯の裏側となる面に握り飯用包装材の折り畳み端が集まるように包み、その面に粘着テープやシールを貼って封止する。この包装作業は自動化された包装装置を用いて通常は実施される。 This raw rice ball packaging material 10 is provided to food manufacturers and the like in a state where it is wound around a paper tube 11. A food manufacturer or the like uses this raw rice ball packaging material 10 to package rice balls to obtain packaged rice balls. It is pulled out from the paper tube 11, a rice ball is placed on the tip, and while cutting out one sheet of the rice ball packaging material at a predetermined cutting position, the rice ball is wrapped in the rice ball packaging material. At this time, align the cut line 4 with the position that will be the apex when the rice ball is stood up. Then, wrap the rice ball packaging material so that the folded edge gathers on the back side of the rice ball, and seal it by applying adhesive tape or a sticker to that surface. This packaging operation is typically performed using automated packaging equipment.

図２は握り飯用包装材の第１の例を示す正面図であり、１周期分の握り飯用包装材原反１０を所定の切断位置で切り出した状態を示している。図３は同平面図、図４は同左側面図、図５は同右側面図、図６は同拡大Ａ－Ａ断面図である。なお、本例では握り飯用包装材はすべて透明な素材で構成されており、背面図は正面図と同一に表れ、底面図は平面図と対称に表れる。 FIG. 2 is a front view showing a first example of the packaging material for rice balls, and shows a state in which one cycle of the original paper 10 of the packaging material for rice balls is cut out at a predetermined cutting position. 3 is a plan view of the same, FIG. 4 is a left side view of the same, FIG. 5 is a right side view of the same, and FIG. 6 is an enlarged cross-sectional view taken along line AA of the same. In this example, the rice ball packaging material is entirely made of a transparent material, and the rear view appears the same as the front view, and the bottom view appears symmetrical to the top view.

得られた握り飯用包装材１はプラスチックフィルムを素材とする長方形状の包装シート２と、包装シート２に設けられた開封補助テープ３と、開封補助テープ３に沿ったいずれかの位置で包装シート２に形成された切込み線４と、切込み線４を覆うカバーシート５を有している。本例では幅２００ｍｍ、長さ２２０ｍｍであり、包装シート２は厚さが４０μｍ、開封補助テープ３は厚さが４０μｍで幅が２０ｍｍとなる。 The obtained rice ball packaging material 1 includes a rectangular packaging sheet 2 made of plastic film, an opening aid tape 3 provided on the packaging sheet 2, and a packaging sheet attached at any position along the opening aid tape 3. 2, and a cover sheet 5 covering the cut line 4. In this example, the width is 200 mm and the length is 220 mm, the packaging sheet 2 has a thickness of 40 μm, and the opening aid tape 3 has a thickness of 40 μm and a width of 20 mm.

図７は包装握り飯の第１の例を示す斜視図であり、本例の握り飯用包装材原反１０および握り飯用包装材１の使用状態を示す。前述の包装方法によって握り飯ｘを本例の握り飯用包装材１で包装することによって図７のような包装握り飯２０が得られる。握り飯ｘは、円や楕円、あるいは三角形などの形状である広い面ｘ１を２面有する柱状である。包んでいる包装シート２は十分な厚みがあるので、握り飯用包装材自体が握り飯ｘを包んでいる状態でその形状を維持しようとするような構造体としての作用を有する。 FIG. 7 is a perspective view showing a first example of a packaged rice ball, and shows how the rice ball packaging material original 10 and the rice ball packaging material 1 of this example are used. A packaged rice ball 20 as shown in FIG. 7 is obtained by packaging the rice ball x with the rice ball packaging material 1 of this example using the above-described packaging method. The rice ball x has a columnar shape with two wide surfaces x1 having a shape such as a circle, an ellipse, or a triangle. Since the wrapping sheet 2 has sufficient thickness, the rice ball wrapping material itself acts as a structure that tries to maintain its shape while wrapping the rice ball x.

また、厚く幅広い開封補助テープ３も握り飯ｘを支持する構造材として機能する。握り飯ｘの下側に接する部分は支持台として、また、握り飯ｘの広い面ｘ１に沿った部分は支柱として作用し、握り飯ｘの広い面ｘ１が垂直に立つように支持することができる。 Further, the thick and wide opening aid tape 3 also functions as a structural member that supports the rice ball x. The part touching the lower side of the rice ball x acts as a support base, and the part along the wide surface x1 of the rice ball x acts as a support, so that the rice ball x can be supported so that the wide surface x1 stands vertically.

握り飯ｘの面ｘ１は広いので、大きなラベルを貼り、ブランドや商品説明、たとえば中の具材の説明などを効果的に示すことができる。本例では握り飯用包装材１は透明な部材で構成しているが、握り飯ｘの広い面ｘ１に当たる部分に印刷を施して、情報表示してもよい。この包装握り飯を店頭の陳列棚に立てた状態で置くことにより、広い面ｘ１に付した表示を消費者に見やすく提示することができる。また、このように立てて置くことにより、狭いスペースでも多くの商品を並べることができる。 Since the surface x1 of the rice ball x is wide, a large label can be pasted on it to effectively indicate the brand and product description, such as an explanation of the ingredients inside. In this example, the rice ball packaging material 1 is made of a transparent member, but information may be displayed by printing on a portion corresponding to the wide surface x1 of the rice ball x. By placing this packaged rice ball upright on a store display shelf, the display attached to the wide surface x1 can be presented to the consumer in an easy-to-see manner. Also, by standing up like this, you can line up many products even in a small space.

この握り飯用包装材は頂部の切込み線４の部分をつまんで開封補助テープ３を引くことによって簡単に開封することができる。この発明の開封補助テープ３は幅が広いので、大きな開口を形成することができる。開封補助テープ３の幅を広くすることによってより大きな開口を得ることができるが、あまり広すぎると握り飯の広い面ｘ１に残る部分が少なくなり、持ちにくくなる。したがって、開封補助テープ３の幅は握り飯ｘの幅の８０％以下にすることが好ましい。 This packaging material for rice balls can be easily opened by pinching the cut line 4 at the top and pulling the opening aid tape 3. Since the opening aid tape 3 of the present invention has a wide width, a large opening can be formed. A larger opening can be obtained by increasing the width of the opening aid tape 3, but if it is too wide, the portion remaining on the wide side x1 of the rice ball will be small, making it difficult to hold. Therefore, the width of the opening aid tape 3 is preferably 80% or less of the width of the rice ball x.

次に、この発明の第２の実施形態について説明する。図８は握り飯用包装材原反の第２の例を示す斜視図である。図９は握り飯用包装材の第２の例を示す正面図であり、図１０は同平面図、図１１は同左側面図、図１２は同右側面図、図１３は同拡大Ａ－Ａ断面図である。なお、本例でも握り飯用包装材１はすべて透明な素材で構成されており、背面図は正面図と対称に表れ、底面図は平面図と対称に表れる。 Next, a second embodiment of the invention will be described. FIG. 8 is a perspective view showing a second example of the original packaging material for rice balls. FIG. 9 is a front view showing a second example of the packaging material for rice balls, FIG. 10 is a plan view, FIG. 11 is a left side view, FIG. 12 is a right side view, and FIG. 13 is an enlarged AA cross section. It is a diagram. In this example as well, the rice ball packaging material 1 is entirely made of a transparent material, and the rear view appears symmetrical to the front view, and the bottom view appears symmetrical to the top view.

この実施形態においても、第１の実施形態と同様に、握り飯用包装材１および握り飯用包装材原反１０は、包装シート２と、包装シート２に設けられた開封補助テープ３と、開封補助テープ３に沿ったいずれかの位置で包装シート２に形成された切込み線４と、切込み線を覆うカバーシート５を有する。包装シート２は厚く、また開封補助テープ３は厚く幅広い。包装シート２の厚さ、および開封補助テープ３の厚さと幅は第１の実施形態で示したものと同じにしている。 In this embodiment, as in the first embodiment, the rice ball packaging material 1 and the rice ball packaging material original 10 include a packaging sheet 2, an opening aid tape 3 provided on the packaging sheet 2, and an opening aid tape 3 provided on the packaging sheet 2. It has a cut line 4 formed in the packaging sheet 2 at any position along the tape 3, and a cover sheet 5 that covers the cut line. The packaging sheet 2 is thick, and the opening aid tape 3 is thick and wide. The thickness of the packaging sheet 2 and the thickness and width of the opening aid tape 3 are the same as those shown in the first embodiment.

第１の実施形態では開封補助テープ３は包装シート２の幅中央に沿って設けられているが、この実施形態では開封補助テープ３の幅中央は包装シート２の幅中央に対してずれた位置に設けられる。開封補助テープ３の一方の側辺は、包装時に握り飯の一側部に近い位置に設けられることが好ましい。本例ではより幅の広い開封補助テープ３が好ましく、包装対象の握り飯の幅の４０％以上８０％以下とすることができる。 In the first embodiment, the opening aid tape 3 is provided along the width center of the packaging sheet 2, but in this embodiment, the width center of the opening aid tape 3 is located at a position shifted from the width center of the packaging sheet 2. established in It is preferable that one side of the opening aid tape 3 is provided at a position close to one side of the rice ball during packaging. In this example, a wider opening aid tape 3 is preferable, and can be set to 40% or more and 80% or less of the width of the rice ball to be packaged.

開封補助テープ３を引いて開封すると開封補助テープ３があった部分は開口となり、その左右の部分の包装シートが握り飯の広い面ｘ１に残る。ここで、開封補助テープ３の幅を広くすると握り飯の広い面ｘ１に残る包装シートが小さくなる。そうなると、握り飯に直接触れないようにして握り飯を把持することが難しくなる。この実施形態では開封補助テープ３を包装シート２の幅中央に対してずらすことにより、開口部のどちらか一方の側部には包装シート２が幅広く残る。この広く残った包装シート２をつまめば、握り飯ｘに直接触れないようにして握り飯ｘを持つことができる。特に本例では握り飯の広い面ｘ１の左側に包装シート２が幅広く残るようになっている。左手で広い面ｘ１の左側をつまんで握り飯ｘを保持し、右手で開封補助テープ３を引くことにより開封することができる。 When the unsealing aid tape 3 is pulled to open the package, the part where the unsealing aid tape 3 was placed becomes an opening, and the packaging sheets on the left and right sides remain on the wide side x1 of the rice ball. Here, if the width of the opening aid tape 3 is increased, the packaging sheet remaining on the wide side x1 of the rice ball becomes smaller. In this case, it becomes difficult to grasp the rice ball without touching the rice ball directly. In this embodiment, by shifting the opening aid tape 3 with respect to the center of the width of the packaging sheet 2, a wide portion of the packaging sheet 2 remains on either side of the opening. By pinching this wide remaining packaging sheet 2, the user can hold the rice ball x without touching the rice ball x directly. In particular, in this example, the packaging sheet 2 remains widely on the left side of the wide surface x1 of the rice ball. The rice ball x can be opened by holding the rice ball x by pinching the left side of the wide surface x1 with the left hand and pulling the opening aid tape 3 with the right hand.

このように開封補助テープ３を包装シート２の幅中央に対してずらして設ける握り飯用包装材や握り飯用包装材原反は例がなく、新規な外観を有し、意匠性が高い。この握り飯用包装材で包装された包装握り飯も、新規な外観を有し、開封時においてもさらに特徴のある外観となる。 There is no example of a rice ball packaging material or a rice ball packaging material material in which the opening aid tape 3 is provided offset from the center of the width of the packaging sheet 2 as described above, and it has a novel appearance and a high design quality. The packaged rice ball packaged with this rice ball packaging material also has a new appearance, and even when opened, it has a more distinctive appearance.

１．握り飯用包装材
２．包装シート
３．開封補助テープ
４．切込み線
５．カバーシート
１０．握り飯用包装材原反
２０．包装握り飯
ｘ．握り飯
ｘ１．握り飯の広い面
ｘ２．握り飯の厚さ面 1. Packaging material for rice balls 2. Packaging sheet 3. Opening aid tape 4. Cut line 5. Cover sheet 10. Original packaging material for rice balls 20. Packaged rice ball x. Rice ball x1. Wide side of rice ball x2. Thickness of rice ball

Claims (3)

プラスチックフィルムを素材とする長方形状の包装シートと、包装シートに設けられた開封補助テープと、包装シートと開封補助テープに形成された切込み線と、切込み線を覆うカバーシートを有し、開封補助テープの幅が２０ｍｍ以上かつ包装対象の円盤状の握り飯の幅の８０％以下であり、開封補助テープの握り飯の下側に接する部分は支持台として作用し、握り飯の広い面に沿った部分は支柱として作用して握り飯の広い面が垂直に立つように支持することができる握り飯用包装材で円盤状の握り飯が包装され、頂点となる位置に切込み線が合わせられていて、頂部の切込み線の部分をつまんで開封補助テープを引くことによって円盤状の握り飯の広い面に開口を形成する包装握り飯。 It has a rectangular packaging sheet made of plastic film, an opening aid tape provided on the packaging sheet, a cut line formed on the packaging sheet and the opening aid tape, and a cover sheet that covers the cut line. The width of the tape is 20 mm or more and 80% or less of the width of the disk-shaped rice ball to be packaged , and the part of the opening aid tape that touches the bottom of the rice ball acts as a support, and the part that runs along the wide side of the rice ball A disc-shaped rice ball is wrapped in a rice ball packaging material that can act as a support and support the rice ball so that the wide side of the rice ball stands vertically , and the cut line is aligned with the top position. A packaged rice ball in which an opening is formed on the wide side of a disc-shaped rice ball by pinching the line and pulling the opening aid tape. 包装シートと開封補助テープの厚さが４０μｍ以上であり、開封補助テープの幅が包装対象の握り飯の幅の４０％以上８０％以下であり、開封補助テープの幅中心が包装シート幅中心とずれた位置に設けられている請求項１に記載の包装握り飯。 The thickness of the packaging sheet and the opening aid tape is 40 μm or more, the width of the opening aid tape is 40% or more and 80% or less of the width of the rice ball to be packaged, and the center of the width of the opening aid tape deviates from the center of the width of the packaging sheet. 2. The packaged rice ball according to claim 1, wherein the packaged rice ball is provided at a position where the rice ball is placed in a position where 連続した帯状のプラスチックフィルムを素材とする包装シートと、包装シートの長さ方向に沿って設けられた開封補助テープと、開封補助テープに沿って所定の周期で包装シートと開封補助テープに形成された切込み線と、切込み線を覆うカバーシートを有し、開封補助テープの幅が２０ｍｍ以上かつ包装対象の握り飯の幅の８０％以下であり、開封補助テープの握り飯の下側に接する部分は支持台として作用し、握り飯の広い面に沿った部分は支柱として作用して握り飯の広い面が垂直に立つように支持することができる握り飯用包装材原反を引き出しながら一枚分の握り飯用包装材を切り出し、握り飯を立てたときに頂点となる位置に切込み線を合わせ、握り飯の裏側となる面に握り飯用包装材の折り畳み端が集まるように包み、その面に粘着テープまたはシールを貼って封止する握り飯の包装方法。 A packaging sheet made of a continuous belt-shaped plastic film, an opening aid tape provided along the length of the packaging sheet, and a tape formed on the packaging sheet and the opening aid tape at a predetermined period along the opening aid tape. The width of the opening aid tape is 20 mm or more and 80% or less of the width of the rice ball to be packaged , and the part of the opening aid tape that touches the bottom of the rice ball is The rice ball packaging material acts as a support stand, and the part along the wide side of the rice ball acts as a support to support the rice ball so that the wide side stands vertically. Cut out the packaging material, align the cut line with the top of the rice ball when it is stood up, wrap it so that the folded edge of the rice ball packaging material gathers on the side that will be the back of the rice ball, and apply adhesive tape or a sticker to that side. A method of packaging rice balls that is sealed using
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