JP2021187541A - Food packaging container - Google Patents

Food packaging container Download PDF

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JP2021187541A
JP2021187541A JP2020097224A JP2020097224A JP2021187541A JP 2021187541 A JP2021187541 A JP 2021187541A JP 2020097224 A JP2020097224 A JP 2020097224A JP 2020097224 A JP2020097224 A JP 2020097224A JP 2021187541 A JP2021187541 A JP 2021187541A
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film
inner container
food packaging
upper edge
fixed
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JP7474483B2 (en
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伊智郎 柴田
Ichiro Shibata
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Akuta KK
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Abstract

To enable tight sealing of food stored in an inner container, and easy peeling of a film fixed at an upper edge part of the inner container by making it possible to fix the film at the upper edge part of the inner container, according to a food packaging container of a type having protrusions at corners of the inner container.SOLUTION: A food packaging container comprising an inner container 2, a frame material 3, and a film 1 is a food packaging container capable of sealing an inside of the inner container 2 by fixing the film 1 provided with holes 11 at four corners, to a ring-shaped seal part 10. The four corners at an upper edge part 4 of the inner container 2 each are made to be a substantially triangular flat surface, L-shaped protrusions 8 each are provided around a center of the flat surface. A flat part 9 is present on an inner side of each of the protrusions 8. The seal part 10 continued by straight line parts and flat parts 9 at the upper edge part 4 is constituted.SELECTED DRAWING: Figure 1

Description

本発明は、ごはん類、麺類、各種惣菜などの食品を収納し、食品を収納した容器の上面をトップシールして密封することができる食品包装用容器に関する。 The present invention relates to a food packaging container that can store foods such as rice, noodles, and various prepared foods, and can top-seal and seal the upper surface of the container containing the foods.

特許文献１（特開２００５−３５５５０号公報）に記載されているように、食品等の包装用容器において、内容物の保存や保護のため、容器本体の上縁部にシート又はフィルム蓋材をシールすることにより密封するとともに、その蓋材を容易に剥離できるようにすることが知られている。
そして、本出願人は、特許文献２（特許第６６３２４８９号公報）に記載されているように、内容器(1)及び縁枠(2)を備え、内容器(1)の隅部の内側に上方へ延びる突起(13) (14)が設けてある食品包装用容器を提案し、特許文献３（実用新案登録第３２００７７６号公報）に記載されているように、内容器(1)、枠材(2)及び蓋(3)を備え、内容器(1)の四隅の内側に上方に突出する突起(16)が設けられ、蓋(3)の四隅に突起(16)をそれぞれ収容可能な凹部(31)が設けてある食品包装用容器を提案している。 As described in Patent Document 1 (Japanese Unexamined Patent Publication No. 2005-35550), in a container for packaging food or the like, a sheet or a film lid material is attached to the upper edge of the container body for storage and protection of the contents. It is known that the lid material can be easily peeled off while being sealed by sealing.
Then, as described in Patent Document 2 (Japanese Patent No. 6332489), the applicant includes an inner container (1) and an edge frame (2), and inside the corner of the inner container (1). We proposed a container for food packaging provided with protrusions (13) and (14) extending upward, and as described in Patent Document 3 (Practical New Design Registration No. 3200776), the inner container (1) and the frame material. A recess (2) and a lid (3) are provided, and protrusions (16) protruding upward are provided inside the four corners of the inner container (1), and protrusions (16) can be accommodated at the four corners of the lid (3). We are proposing a food packaging container provided with (31).

特許文献２及び３に記載の食品包装用容器は、上記のような構造となっているため、複数の食品包装用容器を上下に積み重ねると、下側の内容器の隅部に設けてある突起が上側にある縁枠（枠材）の下端部内面に接し、上下の食品包装用容器が互いにずれることがないので、積み重ねた状態を保ち易く容易に運搬することができ、また、特許文献３に記載の食品包装用容器は蓋もずれにくく保持できるため使い勝手が良い。
しかし、特許文献２及び３に記載の食品包装用容器は、内容器の隅部又は四隅の内側に突起が設けてあるため、特許文献１に記載されているようなシート又はフィルム蓋材を、容器本体の上縁部にシールして、内容器に収納した食品を密封することができないという問題があった。 Since the food packaging container described in Patent Documents 2 and 3 has the above-mentioned structure, when a plurality of food packaging containers are stacked one above the other, protrusions provided at the corners of the lower inner container are provided. Is in contact with the inner surface of the lower end of the upper edge frame (frame material), and the upper and lower food packaging containers do not shift from each other, so that the stacked state can be easily maintained and easily transported. The food packaging container described in 1 is easy to use because the lid can be held without slipping.
However, since the food packaging container described in Patent Documents 2 and 3 is provided with protrusions inside the corners or four corners of the inner container, a sheet or film lid material as described in Patent Document 1 can be used. There is a problem that the food stored in the inner container cannot be sealed by sealing the upper edge of the container body.

特開２００５−３５５５０号公報Japanese Unexamined Patent Publication No. 2005-355550 特許第６６３２４８９号公報Japanese Patent No. 6632489 実用新案登録第３２００７７６号公報Utility Model Registration No. 3200776 Gazette

本発明は、特許文献２及び３に記載の食品包装用容器が有している上記の問題を解決し、内容器の隅部に突起を有するタイプの食品包装用容器において、内容器の上縁部にシート又はフィルム蓋材（以下、単に「フィルム」という。）を固着できるようにして、内容器に収納する食品を密封可能とすることを第１の課題とし、内容器の上縁部に固着されたフィルムを容易に剥離できるようにすることを第２の課題としてなされたものである。 The present invention solves the above-mentioned problems of the food packaging container described in Patent Documents 2 and 3, and is an upper edge of the inner container in a type of food packaging container having protrusions at the corners of the inner container. The first issue is to enable the sheet or film lid material (hereinafter, simply referred to as "film") to be fixed to the portion so that the food to be stored in the inner container can be sealed, and to the upper edge of the inner container. The second task was to make it possible to easily peel off the adhered film.

請求項１に係る発明の食品包装用容器は、内容器、枠材及びフィルムからなる食品包装用容器であって、
前記枠材は、前記内容器を収容可能であり、
前記内容器の上縁部は、前記内容器を前記枠材に収容した状態で、前記枠材の上端部に固定可能であり、
前記上縁部の複数の隅部には、上方に突出する突起が設けてあり、
前記突起と前記複数の隅部の内側との間には平坦部があり、
前記突起と前記上縁部の外縁との距離は前記枠材の厚みより大きく、
前記上縁部の一部及び前記平坦部によって連続した環状のシール部が構成され、
前記フィルムは、前記環状のシール部に固着可能であることを特徴とする。 The food packaging container of the invention according to claim 1 is a food packaging container made of an inner container, a frame material and a film.
The frame material can accommodate the inner container and can accommodate the inner container.
The upper edge portion of the inner container can be fixed to the upper end portion of the frame material in a state where the inner container is housed in the frame material.
The plurality of corners of the upper edge portion are provided with protrusions protruding upward.
There is a flat portion between the protrusion and the inside of the plurality of corners.
The distance between the protrusion and the outer edge of the upper edge portion is larger than the thickness of the frame material.
A part of the upper edge portion and the flat portion form a continuous annular sealing portion.
The film is characterized in that it can be fixed to the annular sealing portion.

請求項２に係る発明の食品包装用容器は、請求項１に記載の食品包装用容器において、
前記フィルムは、前記環状のシール部への固着時において、前記突起との干渉を避ける穴、切欠き又は切れ目を有していることを特徴とする。 The food packaging container of the invention according to claim 2 is the food packaging container according to claim 1.
The film is characterized by having holes, notches or cuts that avoid interference with the protrusions when fixed to the annular seal portion.

請求項３に係る発明の食品包装用容器は、請求項１又は２に記載の食品包装用容器において、
前記フィルムは、前記環状のシール部に固着される固着部と、該固着部の外側にある非固着部を有していることを特徴とする。 The food packaging container of the invention according to claim 3 is the food packaging container according to claim 1 or 2.
The film is characterized by having a fixed portion fixed to the annular seal portion and a non-fixed portion outside the fixed portion.

請求項１に係る発明の食品包装用容器は、上縁部の複数の隅部に、上方に突出する突起が設けてあり、かつ、突起と上縁部の外縁との距離は枠材の厚みより大きいので、複数の食品包装用容器を上下に積み重ねると、上側にある枠材の下端の隅部を載置部に載せることができるので、上下の食品包装用容器が互いにずれることなく、積み重ねた状態を保ちながら容易に運搬することができる。
また、突起と複数の隅部の内側との間には平坦部があり、上縁部の一部及び平坦部によって連続した環状のシール部が構成され、フィルムは環状のシール部に固着可能であるので、内容器の内部に各種食品を収納した後にフィルムを環状のシール部に固着することにより、内容器に収納した食品を密封することができる。
そのため、食品包装用容器の運搬中における汁漏れを防止でき、また、収納した食品の日持ちを良くすることができる。なお、フィルムをバリアフィルムにしたり、脱酸素剤を併用したりすれば、より高い効果が得られる。 The food packaging container of the invention according to claim 1 is provided with protrusions protruding upward at a plurality of corners of the upper edge portion, and the distance between the protrusions and the outer edge of the upper edge portion is the thickness of the frame material. Because it is larger, if multiple food packaging containers are stacked up and down, the lower corners of the upper frame material can be placed on the mounting section, so the upper and lower food packaging containers can be stacked without shifting from each other. It can be easily transported while maintaining its state.
In addition, there is a flat portion between the protrusion and the inside of the plurality of corners, and a continuous annular sealing portion is formed by a part of the upper edge portion and the flat portion, and the film can be fixed to the annular sealing portion. Therefore, the food stored in the inner container can be sealed by fixing the film to the annular sealing portion after storing various foods in the inner container.
Therefore, it is possible to prevent juice leakage during transportation of the food packaging container, and it is possible to improve the shelf life of the stored food. If the film is a barrier film or if an oxygen scavenger is used in combination, a higher effect can be obtained.

請求項２に係る発明によれば、請求項１に係る発明の食品包装用容器による効果に加えて、フィルムは、環状のシール部への固着時において、突起との干渉を避ける穴、切欠き又は切れ目を有しているので、環状のシール部に固着したフィルムが、突起によって跳ね上がってしまうことを防止でき、フィルム固着時における見栄えが良くなるとともに、複数の食品包装用容器を上下に積み重ねたり蓋を被せたりする際に、固着したフィルムが邪魔にならないという利点がある。 According to the invention of claim 2, in addition to the effect of the food packaging container of the invention of claim 1, the film has holes and notches that avoid interference with protrusions when the film is fixed to the annular seal portion. Or, because it has a cut, it is possible to prevent the film stuck to the annular seal part from jumping up due to the protrusions, which improves the appearance when the film is stuck, and stacks multiple food packaging containers up and down. There is an advantage that the fixed film does not get in the way when covering the lid.

請求項３に係る発明によれば、請求項１又は２に係る発明の食品包装用容器による効果に加えて、フィルムが環状のシール部に固着される固着部と、該固着部の外側にある非固着部を有しているので、非固着部を手掛かりとすることによって、環状のシール部に固着されているフィルムを容易に剥がすことができる。 According to the invention of claim 3, in addition to the effect of the food packaging container of the invention of claim 1 or 2, the film is fixed to the annular seal portion and is located outside the fixed portion. Since the non-fixed portion is provided, the film fixed to the annular seal portion can be easily peeled off by using the non-fixed portion as a clue.

実施例に係る食品包装用容器にフィルムを固着する前の斜視図。The perspective view before fixing the film to the food packaging container which concerns on Example. 実施例に係る食品包装用容器にフィルムを固着した後の斜視図。The perspective view after fixing the film to the food packaging container which concerns on Example. 食品包装用容器からフィルムを剥がす方法について説明する図。The figure explaining the method of peeling a film from a food packaging container. フィルムの四隅に設ける切欠きや切れ目の例を示す図。The figure which shows the example of the notch and the cut provided in the four corners of a film.

以下、実施例によって本発明の実施形態を説明する。 Hereinafter, embodiments of the present invention will be described with reference to examples.

図１は実施例に係る食品包装用容器にフィルム１を固着する前の斜視図、図２は実施例に係る食品包装用容器にフィルム１を固着した後の斜視図である。
図１に示すとおり、実施例に係る食品包装用容器は、薄いプラスチック製で一体成形により作製された内容器２と、折り畳み可能で開いた時に直方体状となる枠材３と、透明なプラスチックシートにより作製されたフィルム１からなっている。 FIG. 1 is a perspective view before the film 1 is fixed to the food packaging container according to the embodiment, and FIG. 2 is a perspective view after the film 1 is fixed to the food packaging container according to the embodiment.
As shown in FIG. 1, the food packaging container according to the embodiment is an inner container 2 made of thin plastic and integrally molded, a foldable frame material 3 which becomes a rectangular parallelepiped when opened, and a transparent plastic sheet. It is made of a film 1 produced by.

内容器２は、大小合わせて６つの食品収納用凹部を有しており、上縁部４の外縁には下方に延びる垂下部５が設けてあり、側壁６の外側には上縁部４に沿って平行に突条７が設けてある。
そして、上縁部４の四隅は略三角形状の平坦面となっており、その中央付近に上方に突出するＬ字状の突起８が設けてあり、突起８と上縁部４の外縁との距離は枠材３の厚みより大きい。
また、突起８と略三角形状の平坦面となっている隅部の内側との間には平坦部９があり、上縁部４の４つの直線部及び４つの平坦部９によって連続した環状のシール部１０（図１及び２において模様を付してある部分）が構成される。 The inner container 2 has six food storage recesses, large and small, and a hanging portion 5 extending downward is provided on the outer edge of the upper edge portion 4, and the upper edge portion 4 is provided on the outer side of the side wall 6. The ridges 7 are provided in parallel along the line.
The four corners of the upper edge portion 4 are substantially triangular flat surfaces, and an L-shaped protrusion 8 protruding upward is provided near the center thereof, and the protrusion 8 and the outer edge of the upper edge portion 4 are provided with each other. The distance is larger than the thickness of the frame material 3.
Further, there is a flat portion 9 between the protrusion 8 and the inside of the corner portion which is a substantially triangular flat surface, and the ring is continuous with the four straight portions and the four flat portions 9 of the upper edge portion 4. The seal portion 10 (the portion marked with a pattern in FIGS. 1 and 2) is configured.

枠材３は、発泡プラスチックの板を環状に接続したものであり、４箇所において折り曲げ可能で、発泡プラスチックの板を２枚重ねた状態に折り畳めるようになっている。
また、図示はしないが、枠材３の内面には上端部に沿って平行に溝条が設けてある。
そして、枠材３を折り畳まれた状態から開いて直方体状とした後に、上方から内容器２を落とし込み、枠材３の上端部を内容器２の上縁部４、垂下部５及び側壁６との間に挿入するとともに、内容器２の突条７を枠材３の溝条に嵌合させることにより、容器部分を組み立てることができ、組み立て後は内容器２が枠材３の上端部に固定され、内容器２と枠材３が分離しにくい状態となる。 The frame material 3 is formed by connecting foamed plastic plates in an annular shape, and can be bent at four points so that two foamed plastic plates can be folded in a stacked state.
Further, although not shown, grooves are provided on the inner surface of the frame member 3 in parallel along the upper end portion.
Then, after the frame material 3 is opened from the folded state to form a rectangular parallelepiped shape, the inner container 2 is dropped from above, and the upper end portion of the frame material 3 is formed with the upper edge portion 4, the hanging portion 5 and the side wall 6 of the inner container 2. The container portion can be assembled by inserting the ridge 7 of the inner container 2 into the groove of the frame material 3 while inserting the container into the space between the two, and after the assembly, the inner container 2 is attached to the upper end portion of the frame material 3. It is fixed and the inner container 2 and the frame material 3 are difficult to separate.

フィルム１は、内容器２の上面全体を覆うことができる長方形状であり、環状のシール部１０への固着時において、突起８との干渉を避けるため、四隅の近傍に三角形状の穴１１が設けてある。
そのため、フィルム１を環状のシール部１０に固着した時に、フィルム１が突起８によって跳ね上がらず、図２に示すように、フィルム１全体が平らな状態となる。
内容器２、枠材３及びフィルム１からなる食品包装用容器を利用するに際しては、まず、直方体状とした枠材３の上方から内容器２を落とし込んで容器部分を組み立てる。
そして、内容器２の食品収納用凹部に食品を収納した後、フィルム１を環状のシール部１０に固着して内容器２の内部を密閉し、必要ならば蓋（図示せず）を被せて出荷する。
また、複数の食品包装用容器を積み重ねて出荷する場合には、下側になる食品包装用容器の内容器２の上縁部４に、上側になる食品包装用容器の枠材３の下端部を載置する。
そうすると、Ｌ字状の突起８と上縁部４の外縁との距離は、枠材３の厚みより大きく設定されているので、上側になる食品包装用容器の枠材３の下端部は、下側になる食品包装用容器の突起８に乗り上げることなく、内容器２の上縁部４に積み重なる。
さらに、上側になる食品包装用容器の枠材３の四隅の内側には、下側になる食品包装用容器の突起８が位置するので、上下の食品包装用容器は互いにずれることなく積み重ねた状態が保たれ、積み重ねた複数の食品包装用容器を容易に運搬することができる。 The film 1 has a rectangular shape that can cover the entire upper surface of the inner container 2, and has triangular holes 11 near the four corners in order to avoid interference with the protrusions 8 when the film 1 is fixed to the annular seal portion 10. It is provided.
Therefore, when the film 1 is fixed to the annular sealing portion 10, the film 1 does not jump up due to the protrusions 8, and as shown in FIG. 2, the entire film 1 is in a flat state.
When using a food packaging container made of an inner container 2, a frame material 3 and a film 1, first, the inner container 2 is dropped from above the rectangular parallelepiped frame material 3 to assemble the container portion.
Then, after storing the food in the food storage recess of the inner container 2, the film 1 is fixed to the annular seal portion 10 to seal the inside of the inner container 2, and if necessary, cover the inner container 2 with a lid (not shown). Ship.
When a plurality of food packaging containers are stacked and shipped, the upper edge 4 of the inner container 2 of the food packaging container on the lower side and the lower end of the frame material 3 of the food packaging container on the upper side are stacked. Is placed.
Then, since the distance between the L-shaped protrusion 8 and the outer edge of the upper edge portion 4 is set to be larger than the thickness of the frame material 3, the lower end portion of the frame material 3 of the food packaging container on the upper side is below. It is stacked on the upper edge 4 of the inner container 2 without riding on the protrusion 8 of the food packaging container on the side.
Further, since the protrusions 8 of the food packaging container on the lower side are located inside the four corners of the frame material 3 of the food packaging container on the upper side, the upper and lower food packaging containers are stacked without being displaced from each other. It is possible to easily transport a plurality of stacked food packaging containers.

図３は食品包装用容器からフィルム１を剥がす方法について説明する図である。
内容器２の食品収納用凹部に食品が収納され、フィルム１によって内容器２の内部が密閉された食品包装用容器を入手した利用者が、内容器２に収納された食品を食べる時には、まずフィルム１を環状のシール部１０から剥がす必要がある。
そこで、実施例の食品包装用容器においては、フィルム１を環状のシール部１０に固着するとともに、穴１１の外側（突起８の外側）に位置するフィルム１は上縁部４に固着しないようにしている。すなわち、フィルム１は、環状のシール部１０に固着される固着部と、穴１１の外側に位置する非固着部を有していることになる。
そのため、利用者は図３に示すように、穴１１の外側部分（フィルム１の四隅部分）のいずれかを、指でつまんで持ち上げることができる。
そして、つまんだフィルム１を対角線上にある内容器２の隅部に向けて引っ張ることにより、環状のシール部１０に固着されているフィルム１を容易に剥がすことができる。 FIG. 3 is a diagram illustrating a method of peeling the film 1 from the food packaging container.
When a user who has obtained a food packaging container in which food is stored in the food storage recess of the inner container 2 and the inside of the inner container 2 is sealed by a film 1, first eats the food stored in the inner container 2. It is necessary to peel off the film 1 from the annular sealing portion 10.
Therefore, in the food packaging container of the embodiment, the film 1 is fixed to the annular sealing portion 10, and the film 1 located on the outside of the hole 11 (outside of the protrusion 8) is not fixed to the upper edge portion 4. ing. That is, the film 1 has a fixed portion fixed to the annular seal portion 10 and a non-fixed portion located outside the hole 11.
Therefore, as shown in FIG. 3, the user can pick up any of the outer portions (four corner portions of the film 1) of the hole 11 with his / her fingers.
Then, by pulling the pinched film 1 toward the corner of the inner container 2 on the diagonal line, the film 1 fixed to the annular seal portion 10 can be easily peeled off.

実施例の変形例を列記する。
（１）実施例においては、フィルム１、内容器２及び枠材３の平面視は、いずれも長方形状であったが、多角形状、円形状、楕円形状等どのような形状であっても良い。
そして、円形状又は楕円形状とした場合には、適宜の位置を隅部とみなして平坦面を設け、その中央付近に突起８を設けるとともに、その内側を平坦部９とすれば良い。
（２）実施例のフィルム１は、透明なプラスチックシートにより作製されていたが、透明でなくても良く、薄い紙製であっても良い。
（３）実施例のフィルム１は、環状のシール部１０への固着時において、突起８との干渉を避ける穴１１を有していたが、穴１１の代わりに図４（Ａ）〜（Ｃ）に示すような切欠きや図４（Ｄ）（Ｅ）に示すようなＴ字状又はＹ字状の切れ目としても良く、また、長方形のフィルムの四隅をカットして突起８の内側に収まる大きさとしても良い。
（４）実施例のフィルム１は、突起との干渉を避ける穴１１の外側を内容器２の上縁部４に固着しない非固着部としたが、穴１１の外側に限らず適宜位置の固着部の外側を非固着部としても良い。 Modification examples of the examples are listed.
(1) In the embodiment, the plan view of the film 1, the inner container 2, and the frame material 3 is rectangular, but any shape such as a polygonal shape, a circular shape, and an elliptical shape may be used. ..
Then, in the case of a circular shape or an elliptical shape, a flat surface may be provided by regarding an appropriate position as a corner portion, a protrusion 8 may be provided near the center thereof, and the inside thereof may be a flat portion 9.
(2) The film 1 of the example was made of a transparent plastic sheet, but it does not have to be transparent and may be made of thin paper.
(3) The film 1 of the embodiment had a hole 11 for avoiding interference with the protrusion 8 when the film 1 was fixed to the annular seal portion 10, but instead of the hole 11, FIGS. 4 (A) to 4 (C) were formed. ) Or a T-shaped or Y-shaped cut as shown in FIGS. 4 (D) and 4 (E), and the four corners of the rectangular film are cut to fit inside the protrusion 8. It may be the size.
(4) In the film 1 of the embodiment, the outside of the hole 11 for avoiding interference with the protrusion is a non-fixed portion that does not stick to the upper edge portion 4 of the inner container 2, but the film 1 is not limited to the outside of the hole 11 and is fixed at an appropriate position. The outside of the portion may be a non-fixed portion.

（５）実施例の内容器２は、一体成形により作製された薄いプラスチック製のものであったが、プラスチック製に限らずコーティングを施した紙製であっても良い。
（６）実施例の内容器２は、６つの食品収納用凹部を有していたが、食品収納用凹部の数、大きさ及び配置は適宜選択可能である。
（７）実施例の枠材３は、発泡プラスチックの板を環状に接続したものであったが、発泡プラスチックの板に限らず、硬質プラスチック製、木製、紙製等適当な厚さと強度を有する板であればどのような材質の板であっても良い。
（８）実施例においては、枠材３を折り畳めるものとしたが、折り畳めないものであっても良い。 (5) The inner container 2 of the embodiment is made of thin plastic manufactured by integral molding, but is not limited to plastic and may be made of coated paper.
(6) The inner container 2 of the embodiment has six food storage recesses, but the number, size, and arrangement of the food storage recesses can be appropriately selected.
(7) The frame material 3 of the embodiment was formed by connecting foamed plastic plates in an annular shape, but is not limited to the foamed plastic plates, and has appropriate thickness and strength such as those made of hard plastic, wood, and paper. Any material may be used as long as it is a plate.
(8) In the embodiment, the frame material 3 is foldable, but it may not be foldable.

（９）実施例においては、内容器２の側壁６の外側に突条７を設け、枠材３の内面に溝条を設けていたが、これらは設けなくても良い。
（１０）実施例においては、内容器２の上縁部４の外縁に下方に延びる垂下部５を設けたが、垂下部５を設けずに、内容器２の上縁部４の下面を枠材３の上端面に、接着や融着等の手段によって固定しても良い。
（１１）実施例の突起８は、Ｌ字状であったが、上縁部４の隅部に突出するものであれば、どのような形状であっても良い。
そうした場合、フィルム１に設ける穴１１の形状も適宜変更した方が良い。
（１２）実施例の突起８は、上縁部４の四隅に設けてあったが、複数の隅部のみ、好ましくは対角線上の２つの隅部又は３つの隅部に設けても良い。 (9) In the embodiment, the ridges 7 are provided on the outer side of the side wall 6 of the inner container 2, and the grooves are provided on the inner surface of the frame material 3, but these may not be provided.
(10) In the embodiment, the hanging portion 5 extending downward is provided on the outer edge of the upper edge portion 4 of the inner container 2, but the lower surface of the upper edge portion 4 of the inner container 2 is framed without providing the hanging portion 5. It may be fixed to the upper end surface of the material 3 by means such as adhesion or fusion.
(11) The protrusion 8 of the embodiment has an L-shape, but may have any shape as long as it protrudes from the corner of the upper edge portion 4.
In such a case, it is better to change the shape of the hole 11 provided in the film 1 as appropriate.
(12) The protrusions 8 of the embodiment are provided at the four corners of the upper edge portion 4, but may be provided only at a plurality of corners, preferably at two or three diagonal corners.

１ フィルム ２ 内容器 ３ 枠材
４ 上縁部 ５ 垂下部 ６ 側壁 ７ 突条
８ 突起 ９ 平坦部 １０ シール部 １１ 穴 1 Film 2 Inner container 3 Frame material 4 Upper edge 5 Hanging 6 Side wall 7 Protrusion 8 Protrusion 9 Flat part 10 Seal part 11 Hole

Claims (3)

内容器、枠材及びフィルムからなる食品包装用容器であって、
前記枠材は、前記内容器を収容可能であり、
前記内容器の上縁部は、前記内容器を前記枠材に収容した状態で、前記枠材の上端部に固定可能であり、
前記上縁部の複数の隅部には、上方に突出する突起が設けてあり、
前記突起と前記複数の隅部の内側との間には平坦部があり、
前記突起と前記上縁部の外縁との距離は前記枠材の厚みより大きく、
前記上縁部の一部及び前記平坦部によって連続した環状のシール部が構成され、
前記フィルムは、前記環状のシール部に固着可能である
ことを特徴とする食品包装用容器。 A food packaging container consisting of an inner container, a frame material and a film.
The frame material can accommodate the inner container and can accommodate the inner container.
The upper edge portion of the inner container can be fixed to the upper end portion of the frame material in a state where the inner container is housed in the frame material.
The plurality of corners of the upper edge portion are provided with protrusions protruding upward.
There is a flat portion between the protrusion and the inside of the plurality of corners.
The distance between the protrusion and the outer edge of the upper edge portion is larger than the thickness of the frame material.
A part of the upper edge portion and the flat portion form a continuous annular sealing portion.
The film is a food packaging container characterized in that it can be fixed to the annular seal portion. 前記フィルムは、前記環状のシール部への固着時において、前記突起との干渉を避ける穴、切欠き又は切れ目を有している
ことを特徴とする請求項１に記載の食品包装用容器。 The food packaging container according to claim 1, wherein the film has a hole, a notch, or a cut that avoids interference with the protrusion when the film is fixed to the annular seal portion. 前記フィルムは、前記環状のシール部に固着される固着部と、該固着部の外側にある非固着部を有している
ことを特徴とする請求項１又は２に記載の食品包装用容器。 The food packaging container according to claim 1 or 2, wherein the film has a fixed portion fixed to the annular seal portion and a non-fixed portion outside the fixed portion.
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JPH0554271U (en) * 1991-12-26 1993-07-20 浄治 神水 Stacking paper boxes
JP2005035567A (en) * 2003-07-16 2005-02-10 Dainippon Printing Co Ltd Packaging container corresponding to microwave oven
JP2005067641A (en) * 2003-08-21 2005-03-17 Kureha Chem Ind Co Ltd Easy-unsealable package and manufacturing method for the same
JP2006027703A (en) * 2004-07-20 2006-02-02 Oji Chiyoda Container Kk Sealed corrugated cardboard composite container
JP2006193212A (en) * 2005-01-12 2006-07-27 Iisan Co Ltd Easy-opened disposable container
JP2015040045A (en) * 2013-08-20 2015-03-02 雪印メグミルク株式会社 Container
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JP2017065711A (en) * 2015-09-29 2017-04-06 株式会社日本総合研究所 container
JP2017149462A (en) * 2016-02-25 2017-08-31 株式会社アクタ Food packaging container
JP2019043661A (en) * 2017-09-06 2019-03-22 共同印刷株式会社 Lidded container
JP2019182477A (en) * 2018-04-09 2019-10-24 株式会社アクタ Food packaging container

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0554271U (en) * 1991-12-26 1993-07-20 浄治 神水 Stacking paper boxes
JP2005035567A (en) * 2003-07-16 2005-02-10 Dainippon Printing Co Ltd Packaging container corresponding to microwave oven
JP2005067641A (en) * 2003-08-21 2005-03-17 Kureha Chem Ind Co Ltd Easy-unsealable package and manufacturing method for the same
JP2006027703A (en) * 2004-07-20 2006-02-02 Oji Chiyoda Container Kk Sealed corrugated cardboard composite container
JP2006193212A (en) * 2005-01-12 2006-07-27 Iisan Co Ltd Easy-opened disposable container
JP2015040045A (en) * 2013-08-20 2015-03-02 雪印メグミルク株式会社 Container
JP2015199519A (en) * 2014-04-08 2015-11-12 株式会社フジシール Package and manufacturing method of the same
JP2017065711A (en) * 2015-09-29 2017-04-06 株式会社日本総合研究所 container
JP2017149462A (en) * 2016-02-25 2017-08-31 株式会社アクタ Food packaging container
JP2019043661A (en) * 2017-09-06 2019-03-22 共同印刷株式会社 Lidded container
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