JP6785080B2

JP6785080B2 - Packaging container

Info

Publication number: JP6785080B2
Application number: JP2016140174A
Authority: JP
Inventors: 亮太岡野; 亜清新井
Original assignee: Kyodo Printing Co Ltd
Current assignee: Kyodo Printing Co Ltd
Priority date: 2016-07-15
Filing date: 2016-07-15
Publication date: 2020-11-18
Anticipated expiration: 2036-07-15
Also published as: JP2018008731A

Description

本発明は、食品の包装容器に関する。 The present invention relates to a food packaging container.

食品の包装容器として、特許文献１に開示されているように、それぞれ深さを有する容器部と蓋部とをヒンジ部を介して連結した、いわゆるクラムシェルカートンと呼ばれる構成が開示されている。係る包装容器は１枚のシート材から形成することができ、安価で、廃棄も容易であることから、ハンバーガーなどの調理済み食品の包装に広く用いられている。 As a food packaging container, as disclosed in Patent Document 1, a so-called clam shell carton structure is disclosed in which a container portion having a depth and a lid portion are connected via a hinge portion. Such a packaging container can be formed from a single sheet material, is inexpensive, and is easy to dispose of. Therefore, it is widely used for packaging cooked foods such as hamburgers.

特開２００７−２１０６６０号公報JP-A-2007-210660

コンビニエンスストアなどでは、揚げ物や焼き物などの調理済み食品を、ホットウォーマーと呼ばれる陳列ケースに保存し、購入者の希望に応じて包装して販売している。そして、これらの調理済み食品を予め包装容器に収納して、該食品が見える状態で陳列しておき、購入希望に応じて迅速に販売したいという要望がある。 At convenience stores, cooked foods such as fried foods and grilled foods are stored in display cases called hot warmers, and are packaged and sold according to the wishes of the purchaser. Then, there is a desire to store these cooked foods in a packaging container in advance, display the foods in a visible state, and sell them promptly according to a purchase request.

特許文献１に開示された包装容器には、通常、シート材として紙や紙の表面に樹脂をコーティングしたものが用いられるため、蓋部を閉じてしまうと内部の食品が見えなくなってしまう。一方、係る包装容器は、組み立て後に多数個を積み重ねやすいように、蓋部を開放した状態では、ヒンジ部を介して蓋部の開口が容器部の開口から１８０°回動した位置となるように、ヒンジ部の強度が調節されている。そのため、係る包装容器に食品を収納して陳列ケース内に陳列する場合、蓋部が１８０°開いた状態となり、陳列ケース内で蓋部が嵩張り、陳列できる数が限られてしまうという問題がある。 Since the packaging container disclosed in Patent Document 1 usually uses paper or a paper coated with a resin as a sheet material, the food inside becomes invisible when the lid is closed. On the other hand, in such a packaging container, in a state where the lid portion is opened, the opening of the lid portion is rotated by 180 ° from the opening of the container portion via the hinge portion so that a large number of such packaging containers can be easily stacked after assembly. , The strength of the hinge part is adjusted. Therefore, when food is stored in the packaging container and displayed in the display case, the lid is opened 180 °, the lid is bulky in the display case, and the number of foods that can be displayed is limited. is there.

本発明の課題は、容器部と蓋部とをヒンジ部とが連結され、安価なシート材で形成可能な包装容器であって、容器部に食品を収納して陳列した際に蓋部が嵩張らず、且つ、食品が適度に見える位置に蓋部を開いて保持することが可能な包装容器を提供することにある。 An object of the present invention is a packaging container in which a hinge portion is connected to a container portion and a lid portion and can be formed of an inexpensive sheet material, and the lid portion becomes bulky when food is stored and displayed in the container portion. It is an object of the present invention to provide a packaging container capable of opening and holding a lid in a position where food can be seen appropriately.

本発明は、容器部と蓋部とがヒンジ部を介して開閉自在な包装容器であり、
前記容器部が、底板と、該底板の周囲に配置された下前板と下後板と左右の下側板と、を有し、
前記蓋部が、天板と、該天板の周囲に配置された上前板と上後板と左右の上側板と、を有し、
前記下後板の開口側端辺と、前記上後板の開口側端辺とが前記ヒンジ部を構成する包装容器において、
前記下側板の開口側端辺が、少なくとも前記下後板側において、前記下前板側から前記下後板側に向かって前記底板側に傾斜する傾斜部を有し、
前記蓋部を開いた状態で、前記蓋部の開口において、前記上側板の開口側端辺は、前記上後板の開口側端辺よりも突出しており、
前記上側板が、開口側の前記上後板側に、開口側端辺から側辺に向かう直線状の折り部を介して前記蓋部の開口内に折り曲げ可能な折り込み片を有し、前記折り部及び前記折り込み片は、前記上側板の開口側の、前記上後板の開口側端辺よりも突出した領域に形成されており、
前記蓋部を開いた状態で前記折り込み片を前記折り部において前記蓋部の開口内に突出するように折り曲げて、前記蓋部を閉じる方向に回動させた際に、前記折り込み片が前記傾斜部に当接することを特徴とする。 The present invention is a packaging container in which the container portion and the lid portion can be opened and closed via a hinge portion.
The container portion has a bottom plate, a lower front plate and a lower rear plate arranged around the bottom plate, and left and right lower plates.
It said lid portion has a top plate, a side plate on the right and left front plate and the upper rear plate on which is disposed around the top plate, and
In the packaging container and the opening-side edge of the previous SL lower rear plate, and the opening-side edge of the previous SL upper rear plate constituting said hinge portion,
Open-side edge of the previous SL lower side plate is, at least in the lower rear plate side, an inclined portion inclined to the bottom plate side to the lower rear plate side from the lower front plate side,
With the lid open, in the opening of the lid, the opening-side end of the upper plate protrudes from the opening-side end of the upper and rear plates.
Before SL on the side plates, on said rear plate side of the opening side, through a linear folding portion towards the sides from the opening-side edge has a folding piece foldable into the opening of the lid, the The folded portion and the folded piece are formed in a region on the opening side of the upper plate that protrudes from the opening side end side of the upper rear plate.
When the folded piece is bent so as to protrude into the opening of the lid in the folded portion with the lid open and rotated in the closing direction of the lid, the folded piece is tilted. It is characterized in that it comes into contact with a portion .

本発明においては、下記の構成を好ましい態様として含む。
（１）前記傾斜部が直線状であって、
前記傾斜部の前記底板に対する角度と、前記折り部の前記天板に対する角度との和が、９０°未満である。
（２）上記（１）において、前記傾斜部の前記底板に対する角度と、前記折り部の前記天板に対する角度とが、いずれも６０°未満である。
（３）前記傾斜部が直線状であって、
前記傾斜部の前記底板に対する角度と、前記折り部の前記天板に対する角度との和が、３０°乃至６０°である。
（４）上記（３）において、前記傾斜部の前記底板に対する角度と、前記折り部の前記天板に対する角度とが、それぞれ１０°乃至４０°である。
（５）上記（１）乃至（４）のいずれかにおいて、前記傾斜部の前記底板に対する角度が、前記折り部の前記天板に対する角度より小さい。
（６）前記蓋部を開いた状態で、且つ、前記折り込み片を前記蓋部の開口側に折り込む前の状態において、前記折り込み片の開口側端辺が、該折り込み片近傍の前記上側板の開口側端辺に直線状に連なっている。
（７）前記蓋部を開いた状態で前記折り込み片を前記蓋部の開口内に突出するように折り曲げて、前記蓋部を閉じる方向に回動させた際に、前記折り込み片が前記傾斜部に当接する。 In the present invention, the following configuration is included as a preferred embodiment.
(1) The inclined portion is linear and
The sum of the angle of the inclined portion with respect to the bottom plate and the angle of the folded portion with respect to the top plate is less than 90 °.
(2) In the above (1), the angle of the inclined portion with respect to the bottom plate and the angle of the folded portion with respect to the top plate are both less than 60 °.
(3) The inclined portion is linear and
The sum of the angle of the inclined portion with respect to the bottom plate and the angle of the folded portion with respect to the top plate is 30 ° to 60 °.
(4) In the above (3), the angle of the inclined portion with respect to the bottom plate and the angle of the folded portion with respect to the top plate are 10 ° to 40 °, respectively.
(5) In any of the above (1) to (4), the angle of the inclined portion with respect to the bottom plate is smaller than the angle of the folded portion with respect to the top plate.
(6) with open the lid, and, in a state before folding the folding piece to the opening side of the lid, the opening-side edge of the folding piece, of the upper side plate of the folding piece vicinity It is connected in a straight line to the edge on the opening side.
(7) When the folded piece is bent so as to protrude into the opening of the lid with the lid open and rotated in the closing direction of the lid, the folded piece becomes the inclined portion. Contact.

本発明によれば、蓋部に設けた折り込み片を内側に折り曲げることにより、該折り込み片が蓋部の開口内に突出し、ヒンジ部を介して蓋部を容器側に回動させた際に、該折り込み片が容器部の開口端の傾斜部に当接し、蓋部の開口と容器部の開口との間に適度な隙間を形成した状態を保持することができる。よって、蓋部を途中まで閉じて内部が見える状態で嵩張らずに陳列することが可能となる。また、係る折り込み片は、蓋部を抑えることで傾斜部に当接した状態から、容器部の側板と蓋部の側板との間に折り込むことができ、蓋部を容易に閉じることができる。 According to the present invention, when the folding piece provided on the lid portion is bent inward, the folding piece protrudes into the opening of the lid portion and the lid portion is rotated toward the container via the hinge portion. It is possible to maintain a state in which the folded piece comes into contact with the inclined portion of the opening end of the container portion and an appropriate gap is formed between the opening of the lid portion and the opening of the container portion. Therefore, it is possible to display the product without being bulky with the lid part closed halfway so that the inside can be seen. Further, the folded piece can be folded between the side plate of the container portion and the side plate of the lid portion from the state of being in contact with the inclined portion by holding down the lid portion, and the lid portion can be easily closed.

よって、本発明によれば、容器部に収納した食品が見える状態で、嵩張らずに陳列することができ、且つ、瞬時に蓋部を閉じて購入者に提供することができるため、迅速な販売が可能となる。 Therefore, according to the present invention, the food stored in the container can be displayed without being bulky in a visible state, and the lid can be closed instantly to provide the food to the purchaser, so that the food can be sold quickly. Is possible.

本発明の一実施形態の包装容器の展開図である。It is a development view of the packaging container of one Embodiment of this invention. 図１の包装容器を示す図であり、（ａ）斜視図、（ｂ）は側面図である。It is a figure which shows the packaging container of FIG. 1, (a) a perspective view, (b) is a side view. 図１の包装容器の折り込み片を内側に折り曲げて、蓋部の開口内に突出させた状態を示す図であり、（ａ）は斜視図、（ｂ）は側面図である。It is a figure which shows the state which the folding piece of the packaging container of FIG. 1 was bent inward and protruded into the opening of a lid part, (a) is a perspective view, (b) is a side view. 図１の包装容器の折り込み片を内側に折り曲げて、蓋部の開口内に突出させた状態で蓋部を途中まで閉じた状態を示す図であり、（ａ）は側面図、（ｂ）は（ａ）中のＡ−Ａ’端面図である。It is a figure which shows the state which the folding piece of the packaging container of FIG. 1 was bent inward, and the lid part was closed halfway in the state which protruded into the opening of the lid part, (a) is a side view, (b) is a figure. It is an end view of AA'in (a). 図１の包装容器の折り込み片を蓋部の側板と容器部の側板の間に折り込んで蓋部を完全に閉じた状態を示す図であり、（ａ）は斜視図、（ｂ）は側面図である。It is a figure which shows the state which the folding piece of the packaging container of FIG. 1 is folded between the side plate of a lid part and the side plate of a container part, and the lid part is completely closed, (a) is a perspective view, (b) is a side view. is there.

以下、図面を参照して本発明の実施形態を説明するが、本発明は下記実施形態に限定されない。また、以下に参照する図面において、同じ符号は同様の構成要素を示す。 Hereinafter, embodiments of the present invention will be described with reference to the drawings, but the present invention is not limited to the following embodiments. Also, in the drawings referenced below, the same reference numerals indicate similar components.

図１、図２は本発明の好ましい実施形態の包装容器の説明図であり、図１は該包装容器の展開図であり、図２（ａ）は該包装容器の斜視図であり、図２（ｂ）は該包装容器の側面図である。図１中の一点鎖線は谷折りの折り部を示し、破線については後述する。 1 and 2 are explanatory views of a packaging container according to a preferred embodiment of the present invention, FIG. 1 is a developed view of the packaging container, FIG. 2A is a perspective view of the packaging container, and FIG. (B) is a side view of the packaging container. The alternate long and short dash line in FIG. 1 indicates a valley fold, and the broken line will be described later.

本発明の包装容器は、図１に示すような切り込みを入れたシート材を折り曲げ、適宜接着して形成することができる。本発明に用いられるシート材としては、後述する折り込み片の折り曲げ、折り込みが容易なように、適度な可撓性を備えた材料であればいずれでもよく、従来用いられている紙、樹脂シート、或いは紙の表面に樹脂をコーティングしたものなどが好ましく用いられる。 The packaging container of the present invention can be formed by bending a sheet material having a notch as shown in FIG. 1 and appropriately adhering it. The sheet material used in the present invention may be any material having appropriate flexibility so that the folding piece described later can be easily folded and folded, and conventionally used paper, resin sheet, and the like. Alternatively, a paper surface coated with a resin is preferably used.

本発明の包装容器は、図１，図２に示すように、容器部１０と蓋部２０とがヒンジ部Ｐを介して開閉自在に構成されている。 In the packaging container of the present invention, as shown in FIGS. 1 and 2, the container portion 10 and the lid portion 20 are configured to be openable and closable via the hinge portion P.

容器部１０は、底板１の四辺に折り部を介して前板２と、後板３と、一対の側板４，４’とが連接され、蓋部２０は、天板２１の四辺に折り部を介して前板２２と、後板２３と、一対の側板２４，２４’とが連接されている。尚、以下の説明においては、容器部１０の前板２、後板３、側板４，４’については、下前板２、下後板３、下側板４，４’と記し、蓋部２０の前板２２、後板２３、側板２４，２４’については、上前板２２、上後板２３、上側板２４，２４’と記す。 In the container portion 10, the front plate 2, the rear plate 3, and the pair of side plates 4, 4'are connected to the four sides of the bottom plate 1 via folds, and the lid 20 is folded on the four sides of the top plate 21. The front plate 22, the rear plate 23, and the pair of side plates 24, 24'are connected to each other via the above. In the following description, the front plate 2, the rear plate 3, and the side plates 4, 4'of the container portion 10 are described as the lower front plate 2, the lower rear plate 3, and the lower side plates 4, 4', and the lid portion 20 The front plate 22, the rear plate 23, and the side plates 24, 24'are described as the upper front plate 22, the upper rear plate 23, and the upper plates 24, 24'.

本実施形態において、容器部１０の下前板２には左右に折り部を介して貼着片５，５’が連接されており、該貼着片５，５’がそれぞれ折り部を介して内側に折り曲げられて、下側板４，４’の内側に接着されて、下前板２と下側板４，４’とが一体に固定されている。また、下後板３の左右にも折り部を介して貼着片６，６’が連接されており、該貼着片６，６’がそれぞれ折り部を介して内側に折り曲げられて、下側板４，４’の内側に接着されて、下後板３と下側板４，４’とが一体に固定されている。これにより、下前板２、下後板３、下側板４，４’が容器部１０の側壁を構成している。 In the present embodiment, the lower front plate 2 of the container portion 10 is connected to the left and right attachment pieces 5, 5'via the folding portion, and the attachment pieces 5, 5'are connected to each other via the folding portion. It is bent inward and adhered to the inside of the lower plates 4, 4', and the lower front plate 2 and the lower plates 4, 4'are integrally fixed. Further, the sticking pieces 6 and 6'are also connected to the left and right sides of the lower rear plate 3 via the folding portion, and the sticking pieces 6 and 6'are bent inward via the folded portion and lowered. The lower rear plate 3 and the lower plate 4, 4'are integrally fixed to the inside of the side plates 4, 4'. As a result, the lower front plate 2, the lower rear plate 3, and the lower plates 4, 4 ′ form the side wall of the container portion 10.

また、本実施形態において、蓋部２０の上側板２４，２４’には、それぞれ上前板２２側に折り部を介して貼着片２５，２５’が連接されており、該貼着片２５，２５’がそれぞれ折り部を介して内側に折り曲げられて、上前板２２の内側に接着されて、上前板２２と上側板２４，２４’とが一体に固定されている。また、上後板２３の左右にも折り部を介して貼着片２６，２６’が連接されており、該貼着片２６，２６’がそれぞれ折り部を介して内側に折り曲げられて、上側板２４，２４’の内側に接着されて、上後板２３と上側板２４，２４’とが一体に固定されている。これにより、上前板２２、上後板２３、上側板２４，２４’が蓋部２０の側壁を構成している。 Further, in the present embodiment, the upper plates 24 and 24'of the lid portion 20 are connected to the upper front plate 22 side via the folding portions, respectively, and the attachment pieces 25 and 25'are connected to each other. , 25'are bent inward through the folded portion and adhered to the inside of the upper front plate 22, and the upper front plate 22 and the upper plates 24, 24'are integrally fixed. Further, the sticking pieces 26 and 26'are also connected to the left and right sides of the upper and rear plate 23 via the folding portions, and the sticking pieces 26 and 26'are bent inward through the folded portions and above. The upper rear plate 23 and the upper plate 24, 24'are integrally fixed to the inside of the side plates 24, 24'. As a result, the upper front plate 22, the upper rear plate 23, and the upper plates 24, 24 ′ form the side wall of the lid portion 20.

本実施形態においては、下前板２、下後板３、下側板４，４’がいずれも底板１側から開口側に向かって広がっており、容器部１０は底板１から開口側に向かって開口面積が広がっている。また、蓋部２０は、上前板２２、上後板２３、上側板２４，２４’がいずれも天板２１から開口側に向かって広がっており、蓋部２０は天板２１から開口側に向かって開口面積が広がっている。本発明は、このように容器部１０及び蓋部２０は開口側が広がる形態に限定されるものではないが、少なくとも蓋部２０の開口が容器部１０の開口より広いことで、蓋部２０を閉じる際に、容器部１０の開口側が蓋部２０内に挿入されて、蓋部２０を閉じた後に、内部に異物が混入するおそれがなくなる。また、少なくとも蓋部２０については、天板２１から開口側に向かって開口面積が広がっていることで、蓋部２０を閉じる際に、容器部１０の開口側を容易に蓋部２０内に挿入することができる。 In the present embodiment, the lower front plate 2, the lower rear plate 3, and the lower plates 4 and 4'are all widened from the bottom plate 1 side toward the opening side, and the container portion 10 is extended from the bottom plate 1 toward the opening side. The opening area is widening. Further, in the lid portion 20, the upper front plate 22, the upper rear plate 23, and the upper plates 24, 24'are all extended from the top plate 21 toward the opening side, and the lid portion 20 is from the top plate 21 to the opening side. The opening area is expanding toward. The present invention is not limited to the form in which the opening side of the container portion 10 and the lid portion 20 is widened as described above, but at least the opening of the lid portion 20 is wider than the opening of the container portion 10 to close the lid portion 20. At that time, the opening side of the container portion 10 is inserted into the lid portion 20, and after the lid portion 20 is closed, there is no possibility that foreign matter is mixed inside. Further, at least for the lid portion 20, since the opening area expands from the top plate 21 toward the opening side, the opening side of the container portion 10 can be easily inserted into the lid portion 20 when the lid portion 20 is closed. can do.

本発明においては、容器部１０の下後板３の開口側端辺と、蓋部２０の上後板２３の開口側端辺とが連接してヒンジ部Ｐを構成している。本実施形態においては、上後板２３と下後板３との連接部位に、下後板３と上後板２３とを切り離す切り込み４１が形成されており、係る切り込み４１によって、係る連接部位の強度が弱められている。これにより、蓋部２０は、容器部１０に対して、１８０°開いた状態をとることができ、多数の包装容器を垂直方向に積層することができる。また、ヒンジ部Ｐの強度を調節したことで、容器部１０に対して蓋部２０が回動しやすくなっている。 In the present invention, the opening side end side of the lower rear plate 3 of the container portion 10 and the opening side end side of the upper rear plate 23 of the lid portion 20 are connected to form the hinge portion P. In the present embodiment, a notch 41 for separating the lower rear plate 3 and the upper rear plate 23 is formed at the connecting portion between the upper rear plate 23 and the lower rear plate 3, and the notch 41 makes the connecting portion of the connecting portion. The strength is weakened. As a result, the lid portion 20 can be opened 180 ° with respect to the container portion 10, and a large number of packaging containers can be laminated in the vertical direction. Further, by adjusting the strength of the hinge portion P, the lid portion 20 can easily rotate with respect to the container portion 10.

本発明において、容器部１０の下側板４，４’の開口側端辺４ａ，４ａ’が、少なくとも下後板３側において、下前板２側から下後板３側に向かって、底板１側に傾斜する傾斜部４ｂ，４ｂ’を有している。本実施形態において、傾斜部４ｂ，４ｂ’は直線状である。また、蓋部２０の上側板２４，２４’が、開口側の上後板２３側に、開口側端辺２４ａ，２４ａ’から側辺２４ｂ，２４ｂ’に向かう直線状の折り部２４ｄ，２４ｄ’を介して内側に折り曲げ可能な折り込み片２４ｃ，２４ｃ’を有している。折り込み片２４ｃ，２４ｃ’は、該折り部２４ｄ，２４ｄ’を介して内側に折り曲げることで、蓋部２０の開口内に突出する。さらに、蓋部２０の上後板２３の開口側端辺が、上記折り込み片２４ｃ，２４ｃ’よりも天板２１側に位置している。 In the present invention, the opening side ends 4a, 4a'of the lower plates 4, 4'of the container portion 10 are at least on the lower rear plate 3 side, from the lower front plate 2 side toward the lower rear plate 3 side, and the bottom plate 1 It has inclined portions 4b and 4b'inclined to the side. In the present embodiment, the inclined portions 4b and 4b'are linear. Further, the upper plates 24, 24'of the lid portion 20 are linearly folded portions 24d, 24d'toward the side sides 24b, 24b'from the opening side end sides 24a, 24a' on the opening side upper rear plate 23 side. It has folding pieces 24c and 24c'that can be folded inward via the above. The folded pieces 24c and 24c'protrude into the opening of the lid 20 by bending inward through the folded portions 24d and 24d'. Further, the opening side end side of the upper rear plate 23 of the lid portion 20 is located closer to the top plate 21 than the folding pieces 24c and 24c'.

本発明の包装容器は、図２（ａ），（ｂ）に示すように、使用前は、容器部１０と蓋部２０とがヒンジ部Ｐを介して１８０°開いた状態となっている。ここで、折り込み片２４ｃ，２４ｃ’を、折り部２４ｄ，２４ｄ’において内側に折り曲げると、図３（ａ）に示すように、折り込み片２４ｃ，２４ｃ’が折り部２４ｄ，２４ｄ’を介して蓋部２０の開口内に突出する。図３（ｂ）は、折り込み片２４ｃ，２４ｃ’を内側に折り曲げた状態の側面図であり、上側板２４及び下側板４側の外側から見た際には、折り込み片２４ｃは観察されなくなる。 As shown in FIGS. 2 (a) and 2 (b), the packaging container of the present invention is in a state in which the container portion 10 and the lid portion 20 are opened by 180 ° via the hinge portion P before use. Here, when the folding pieces 24c and 24c'are folded inward at the folding portions 24d and 24d', the folding pieces 24c and 24c' are covered with the folding portions 24d and 24d' as shown in FIG. 3A. It protrudes into the opening of the portion 20. 3 (b) is a side view of a folded state folding piece 24c, the 24c 'inwardly, when viewed from the outside of the upper plate 24 and lower plate 4 side, folding piece 24c is no longer observed ..

図３（ａ），（ｂ）に示したように、折り込み片２４ｃ，２４ｃ’を内側に折り曲げた状態で蓋部２０を容器部１０側に回動させると、図４（ｂ）に示すように、蓋部２０の開口内に突出した折り込み片２４ｃ，２４ｃ’が、容器部１０の下側板４，４’の開口側の傾斜部４ｂ，４ｂ’に当接し、図４（ａ）に示すように、容器部１０の開口と蓋部２０の開口との間に隙間を有する位置で蓋部２０の回動が停止する。よって、本発明の包装容器においては、容器部１０に食品を収納し、折り込み片２４ｃ，２４ｃ’を折り部２４ｄ，２４ｄ’において内側に折り曲げ、該折り込み片２４ｃ，２４ｃ’が容器部１０の傾斜部４ｂ，４ｂ’に当接するまで蓋部２０を回動させれば、容器部１０内の食品が観察される状態で陳列することができる。また、この状態では、蓋部２０が途中まで回動して容器部１０上に配置しているため、図２（ａ），（ｂ）に示した、蓋部２０が完全に開いた状態よりも嵩張らない。尚、図４（ａ）は側面図であり、図４（ｂ）は（ａ）中のＡ−Ａ’端面図であり、（ｂ）中において（ａ）中のＡ−Ａ’端面を実線で示す。 As shown in FIGS. 3 (a) and 3 (b), when the lid portion 20 is rotated toward the container portion 10 with the folding pieces 24c and 24c'bent inward, as shown in FIG. 4 (b). The folding pieces 24c and 24c'protruding into the opening of the lid portion 20 abut on the inclined portions 4b and 4b'on the opening side of the lower plates 4 and 4'of the container portion 10 and are shown in FIG. 4 (a). As described above, the rotation of the lid portion 20 is stopped at a position where there is a gap between the opening of the container portion 10 and the opening of the lid portion 20. Therefore, in the packaging container of the present invention, food is stored in the container portion 10, the folded pieces 24c and 24c'are bent inward at the folded portions 24d and 24d', and the folded pieces 24c and 24c' are inclined in the container portion 10. If the lid portion 20 is rotated until it comes into contact with the portions 4b and 4b', the food in the container portion 10 can be displayed in an observed state. Further, in this state, since the lid portion 20 is rotated halfway and arranged on the container portion 10, the lid portion 20 is more than the state shown in FIGS. 2 (a) and 2 (b) when the lid portion 20 is completely opened. Is not bulky. Note that FIG. 4A is a side view, FIG. 4B is an end view of AA'in (a), and the end surface of AA'in (a) is a solid line in (b). Indicated by.

本発明において、蓋部２０を図４（ａ），（ｂ）に示したように、容器部１０内が観察できる状態に保持する上で、図２（ｂ）に示される、傾斜部４ｂ，４ｂ’の底板１に対する角度θ１と、折り込み片２４ｃ，２４ｃ’を折り曲げるための折り部２４ｄ，２４ｄ’の天板２１に対する角度θ２との和、即ち、図４（ａ）に示される、天板２１と底板１とがなす角度θ３は９０°未満が好ましい。θ１とθ２との和、即ちθ３が９０°以上となると、回動させた蓋部２０が再び逆方向に回動して図２（ａ），（ｂ）の状態に戻るおそれがある。 In the present invention, as shown in FIGS. 4A and 4B, the inclined portion 4b, shown in FIG. 2B, is used to keep the inside of the container portion 10 observable. The sum of the angle θ1 with respect to the bottom plate 1 of 4b'and the angle θ2 with respect to the top plate 21 of the folding portions 24d, 24d' for bending the folding pieces 24c, 24c', that is, the top plate shown in FIG. 4A. The angle θ3 formed by the 21 and the bottom plate 1 is preferably less than 90 °. When the sum of θ1 and θ2, that is, θ3 becomes 90 ° or more, the rotated lid portion 20 may rotate in the opposite direction again to return to the states shown in FIGS. 2A and 2B.

また、本発明において、図２（ｂ）に示される、θ１とθ２とはそれぞれ、６０°未満とすることが好ましい。さらに、本発明において、安定して図４（ａ）の状態を維持する上で、θ１とθ２との和（θ３）は３０°乃至６０°が好ましく、係る範囲において、θ１とθ２とはそれぞれ、１０°乃至４０°であることが好ましい。 Further, in the present invention, it is preferable that θ1 and θ2 shown in FIG. 2B are each less than 60 °. Further, in the present invention, in order to stably maintain the state of FIG. 4A, the sum (θ3) of θ1 and θ2 is preferably 30 ° to 60 °, and in this range, θ1 and θ2 are respectively. It is preferably 10 ° to 40 °.

また、上記θ１とθ２とは、θ１＜θ２となることが好ましい。θ１＞θ２では、容器部１０の高さが蓋部２０よりも高くなり、多数の包装容器を重ねた際に、不安定になりやすい。また、θ１＞θ２では、折り込み片２４ｃ，２４ｃ’を容器部１０側に延出するか、上前板２２に近い位置から形成しなければならず、折り込み片２４ｃ，２４ｃ’が細長くなって、傾斜部４ｂ，４ｂ’に当接した状態で蓋部２０を支えきれなくなるおそれがある。また、細長い折り込み片２４ｃ，２４ｃ’は、蓋部２０を閉じる際に、上側板２４，２４’と下側板との間に折り込みにくくなるおそれもある。よって、本発明において好ましくは、１０°≦θ１＜θ２≦４０°である。 Further, it is preferable that θ1 and θ2 are θ1 <θ2. When θ1> θ2, the height of the container portion 10 is higher than that of the lid portion 20, and it tends to become unstable when a large number of packaging containers are stacked. Further, when θ1> θ2, the folding pieces 24c and 24c'have to extend to the container portion 10 side or are formed from a position close to the upper front plate 22, and the folding pieces 24c and 24c' become elongated. The lid portion 20 may not be fully supported in a state of being in contact with the inclined portions 4b and 4b'. Further, the elongated fold pieces 24c and 24c'may be difficult to fold between the upper plates 24 and 24'and the lower plate when the lid 20 is closed. Therefore, in the present invention, 10 ° ≦ θ1 <θ2 ≦ 40 ° is preferable.

尚、図１乃至図４の実施形態においては、傾斜部４ｂ，４ｂ’は直線状であるが、本発明においては、傾斜部４ｂ，４ｂ’は直線状に限定されず、凸状、或いは凹状の湾曲した形状や、階段状であっても良い。その場合も、図４（ａ）の状態でθ３が９０°未満となることが望ましい。尚、製造の容易性や、製造精度の点からは、傾斜部４ｂ，４ｂ’は直線状が好ましい。 In the embodiment of FIGS. 1 to 4, the inclined portions 4b and 4b'are linear, but in the present invention, the inclined portions 4b and 4b'are not limited to the linear shape and are convex or concave. It may have a curved shape or a stepped shape. Even in that case, it is desirable that θ3 is less than 90 ° in the state of FIG. 4A. From the viewpoint of ease of manufacturing and manufacturing accuracy, the inclined portions 4b and 4b'preferably linear.

また、上記実施形態においては、傾斜部４ｂ，４ｂ’は、下側板４，４’の開口端の中央より下後板３側に近づいた位置から、下側板４の下後板３側の側辺に向かって形成されているが、本発明においては、下後板３側の端部が、下後板３側の側辺に達していれば良く、開口端側の端部は、下側板４の開口端の中央より下前板２側であってもよく、下側板４の開口側端辺４ａ，４ａ’が全て傾斜部４ｂ，４ｂ’であっても良い。 Further, in the above embodiment, the inclined portions 4b, 4b'are located on the lower rear plate 3 side of the lower plate 4 from a position closer to the lower rear plate 3 side than the center of the opening end of the lower plates 4, 4'. Although it is formed toward the side, in the present invention, it is sufficient that the end portion on the lower rear plate 3 side reaches the side side on the lower rear plate 3 side, and the end portion on the opening end side is the lower side plate. The lower front plate 2 side may be closer to the center of the opening end of 4, and the opening side end sides 4a, 4a'of the lower plate 4 may all be inclined portions 4b, 4b'.

また、折り込み片２４ｃ，２４ｃ’は、折り部２４ｄ，２４ｄ’で折り曲げて蓋部２０の開口内に突出した状態で蓋部２０を回動させた際に、容器部１０の傾斜部４ｂ，４ｂ’に当接できるように形成されていればよいが、好ましくは、折り込み片２４ｃ，２４ｃ’の開口側端辺２４ｅ，２４ｅ’が、該折り込み片２４ｃ，２４ｃ’近傍の、上側板２４，２４’の開口側端辺２４ａ，２４ａ’に直線状に連なるように形成する。これによって、図２（ａ），（ｂ）の蓋部２０が開いた状態において、折り込み片２４ｃ，２４ｃ’が上側板２４，２４’より上方に突出しないため、本発明の包装容器を複数積み重ねる際や、取り扱いの際に、不用意に該折り込み片２４ｃ，２４ｃ’が折れ曲がってしまうのを防止することができる。 Further, when the folded pieces 24c and 24c'are bent at the folded portions 24d and 24d' and the lid portion 20 is rotated in a state of protruding into the opening of the lid portion 20, the inclined portions 4b and 4b of the container portion 10 are formed. It suffices if it is formed so as to be in contact with the fold pieces, but preferably, the opening side ends 24e, 24e'of the fold pieces 24c, 24c' are in the vicinity of the fold pieces 24c, 24c', and the upper plates 24, 24 It is formed so as to be linearly connected to the opening side ends 24a and 24a of'. As a result, when the lids 20 of FIGS. 2A and 2B are open, the folding pieces 24c and 24c'do not protrude upward from the upper plates 24 and 24', so that a plurality of packaging containers of the present invention are stacked. It is possible to prevent the folding pieces 24c and 24c'from being inadvertently bent at the time of handling or handling.

本発明の包装容器においては、上記したように、容器部１０内が観察でき、且つ蓋部２０が容器部１０の上方に停止した図４（ａ）の状態を保持することができるが、この状態で蓋部２０の天板２１を容器部１０側に抑えることにより、傾斜部４ｂ，４ｂ’に当接していた折り込み片２４ｃ，２４ｃ’が折り部２４ｄ，２４ｄ’を介してさらに折り曲げられ、上側板２４，２４’と下側板４，４’との間に折り込まれることで、図５（ａ），（ｂ）に示すように、蓋部２０が容器部１０の開口を完全に覆って、蓋部２０を閉じることができる。尚、図５において、（ａ）は斜視図、（ｂ）は側面図である。 In the packaging container of the present invention, as described above, the inside of the container portion 10 can be observed, and the state of FIG. 4A in which the lid portion 20 is stopped above the container portion 10 can be maintained. By holding the top plate 21 of the lid portion 20 toward the container portion 10 in this state, the folding pieces 24c and 24c'that were in contact with the inclined portions 4b and 4b'are further bent via the folding portions 24d and 24d'. By folding between the upper plates 24, 24'and the lower plates 4, 4', the lid 20 completely covers the opening of the container 10 as shown in FIGS. 5A and 5B. , The lid 20 can be closed. In FIG. 5, (a) is a perspective view and (b) is a side view.

本発明においては、折り込み片２４ｃ，２４ｃ’を折り曲げるための折り部２４ｄ，２４ｄ’は、ミシン目状に切り込みを入れたり、ハーフカットを施したりして、容易に折り曲げられるようにしておくことが好ましい。 In the present invention, the folding portions 24d and 24d'for bending the folding pieces 24c and 24c'can be easily folded by making perforated cuts or making a half cut. preferable.

また、本実施形態においては、図１に示すように、蓋部２０の天板２１と上後板２３とにわたる直線状で平行な２本の切り込み４２，４２’が形成されている。これは、蓋部２０を完全に閉じた後に、内部の食品から発生する蒸気を外部に排除するための通気口を形成するためのもので、切り込み４２，４２’の両端部を結ぶ折り部４３ａ，４３ａ’を谷折りし、切り込み４２，４２’の長さ方向の中央を結ぶ折り部４３ｂを山折りすることで、矩形の通気口を形成することができる。 Further, in the present embodiment, as shown in FIG. 1, two linear and parallel notches 42, 42'are formed over the top plate 21 of the lid portion 20 and the upper rear plate 23. This is for forming a vent for exhausting the steam generated from the food inside to the outside after the lid portion 20 is completely closed, and the folding portion 43a connecting both ends of the cuts 42 and 42'. , 43a'is valley-folded, and the folded portion 43b connecting the centers of the cuts 42, 42' in the length direction is mountain-folded to form a rectangular vent.

また、本実施形態においては、容器部１０の下側板４，４’の下前板２側の側辺の開口側に、外側に突出する係止片４ｃ，４ｃ’が設けられ、蓋部２０の上側板２４，２４’の上前板２２側に連接された貼着片２５，２５’に、上前板２２の左右の側辺から外側に突出する係止片２５ａ，２５ａ’が設けられている。係る構成により、蓋部２０を完全に閉じた際には、図５（ａ）に示すように、係止片２５ａ，２５ａ’が、係止片４ｃ，４ｃ’の下方に係止され、蓋部２０が自然に開かないように、固定される。尚、係止片２５ａ，２５ａ’，４ｃ，４ｃ’はいずれも容易に変形するため、上前板２２に設けた凹部２２ａに指をかけて引き上げるだけで、係る係止が容易に解除されて、蓋部２０を開くことができる。 Further, in the present embodiment, locking pieces 4c and 4c'protruding outward are provided on the opening side of the side side of the lower front plate 2 side of the lower plates 4 and 4'of the container portion 10 and the lid portion 20 is provided. The attachment pieces 25, 25'connected to the upper front plate 22 side of the upper plates 24, 24'are provided with locking pieces 25a, 25a'protruding outward from the left and right side sides of the upper front plate 22. ing. With this configuration, when the lid 20 is completely closed, as shown in FIG. 5A, the locking pieces 25a and 25a'are locked below the locking pieces 4c and 4c', and the lid is closed. The portion 20 is fixed so that it does not open naturally. Since the locking pieces 25a, 25a', 4c, and 4c'are easily deformed, the locking can be easily released by simply pulling up the recess 22a provided in the upper front plate 22 with a finger. , The lid 20 can be opened.

本発明の包装容器は、上記したように、容器部１０に収納した食品が見える状態で、且つ、蓋部２０が嵩張らない状態で、陳列することができるが、折り込み片２４ｃ，２４ｃ’を折り曲げずに蓋部２０を閉じれば、従来の包装容器と同様に用いることもできる。よって、本発明の包装容器は容器部に収納した食品が見える状態で陳列して販売する形態に限らず、広く食品の包装容器として用いることができる。 As described above, the packaging container of the present invention can be displayed in a state where the food stored in the container portion 10 can be seen and the lid portion 20 is not bulky, but the folding pieces 24c and 24c'are bent. If the lid 20 is closed without closing, it can be used in the same manner as a conventional packaging container. Therefore, the packaging container of the present invention is not limited to the form in which the food stored in the container is displayed and sold in a visible state, and can be widely used as a packaging container for food.

また、本発明の包装容器は、食品の調理現場において容器部１０に食品を収納し、折り込み片２４ｃ，２４ｃ’を折り曲げずに蓋部２０を閉じた状態で店舗に搬送し、店舗において蓋部２０を開き、折り込まれていた折り込み片２４ｃ，２４ｃ’を９０°立ち上げて蓋部２０の開口内に突出させ、食品が見える状態にして陳列することもできる。 Further, in the packaging container of the present invention, food is stored in the container portion 10 at the food cooking site, and the folded pieces 24c and 24c'are transported to the store with the lid portion 20 closed without bending, and the lid portion is transported in the store. It is also possible to open 20 and raise the folded pieces 24c and 24c'by 90 ° to project them into the opening of the lid 20 so that the food can be seen and displayed.

１：底板、２：下前板、３：下後板、４，４’：下側板、４ａ，４ａ’：下側板の開口側端辺、４ｂ，４ｂ’：傾斜部、４ｃ，４ｃ’：係止片、５，５’，６，６’：貼着片、１０：容器部、２０：蓋部、２１：天板、２２：上前板、２３：上後板、２４，２４’：上側板、２４ａ，２４ａ’：上側板の開口側端辺、２４ｂ，２４ｂ’：上側板の側辺、２４ｃ，２４ｃ’：折り込み片、２４ｄ，２４ｄ’：折り部、２４ｅ，２４ｅ’：折り込み片の開口側端辺、２５，２５’，２６，２６’：貼着片、２５ａ，２５ａ’：係止片、４１，４２，４２’：切り込み、４３ａ，４３ａ’，４３ｂ：折り部、Ｐ：ヒンジ部 1: Bottom plate 2: Lower front plate 3: Lower rear plate, 4, 4': Lower plate, 4a, 4a': Opening side edge of lower plate, 4b, 4b': Inclined portion, 4c, 4c': Locking piece, 5,5', 6,6': Adhesive piece, 10: Container part, 20: Lid part, 21: Top plate, 22: Upper front plate, 23: Upper rear plate, 24, 24': Upper plate, 24a, 24a': Open side end side of upper plate, 24b, 24b': Side side of upper plate, 24c, 24c': Folded piece, 24d, 24d': Folded part, 24e, 24e': Folded piece Opening side edge, 25, 25', 26, 26': Adhesive piece, 25a, 25a': Locking piece, 41, 42, 42': Notch, 43a, 43a', 43b: Folded part, P: Hinge part

Claims

A packaging container in which the container and lid can be opened and closed via a hinge.
The container portion has a bottom plate, a lower front plate and a lower rear plate arranged around the bottom plate, and left and right lower plates.
It said lid portion has a top plate, a side plate on the right and left front plate and the upper rear plate on which is disposed around the top plate, and
In the packaging container and the opening-side edge of the previous SL lower rear plate, and the opening-side edge of the previous SL upper rear plate constituting said hinge portion,
Open-side edge of the previous SL lower side plate is, at least in the lower rear plate side, an inclined portion inclined to the bottom plate side to the lower rear plate side from the lower front plate side,
With the lid open, in the opening of the lid, the opening-side end of the upper plate protrudes from the opening-side end of the upper and rear plates.
Before SL on the side plates, on said rear plate side of the opening side, through a linear folding portion towards the sides from the opening-side edge has a folding piece foldable into the opening of the lid, the The folded portion and the folded piece are formed in a region on the opening side of the upper plate that protrudes from the opening side end side of the upper rear plate.
When the folded piece is bent so as to protrude into the opening of the lid in the folded portion with the lid open and rotated in the closing direction of the lid, the folded piece is tilted. A packaging container characterized by abutting on a portion .

The inclined portion is straight and
The packaging container according to claim 1, wherein the sum of the angle of the inclined portion with respect to the bottom plate and the angle of the folded portion with respect to the top plate is less than 90 °.

The packaging container according to claim 2, wherein the angle of the inclined portion with respect to the bottom plate and the angle of the folded portion with respect to the top plate are both less than 60 °.

The inclined portion is straight and
The packaging container according to claim 1, wherein the sum of the angle of the inclined portion with respect to the bottom plate and the angle of the folded portion with respect to the top plate is 30 ° to 60 °.

The packaging container according to claim 4, wherein the angle of the inclined portion with respect to the bottom plate and the angle of the folded portion with respect to the top plate are 10 ° to 40 °, respectively.

The packaging container according to any one of claims 2 to 5, wherein the angle of the inclined portion with respect to the bottom plate is smaller than the angle of the folded portion with respect to the top plate.

With open said lid, and said in a state before folding the folding piece to the opening side of the lid, the opening-side edge of the folding piece, the opening side end of the upper side plate of the folding piece vicinity The packaging container according to any one of claims 1 to 6, wherein the packaging container is linearly connected to the sides.

The packaging container according to any one of claims 1 to 7, wherein the folded portion is provided with a perforated cut or a half cut.