JP3687396B2 - Blank for tray container - Google Patents

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Publication number
JP3687396B2
JP3687396B2 JP05463799A JP5463799A JP3687396B2 JP 3687396 B2 JP3687396 B2 JP 3687396B2 JP 05463799 A JP05463799 A JP 05463799A JP 5463799 A JP5463799 A JP 5463799A JP 3687396 B2 JP3687396 B2 JP 3687396B2
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Prior art keywords
plate
edge
piece
folded
blank
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JP2000255546A (en
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仁克 中川
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Toppan Inc
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Toppan Inc
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Description

【０００１】
【発明の属する技術分野】
本発明は、冷凍食品、粉末物等の包装に使用するトレー容器用のブランクに関するものである。
【０００２】
【従来の技術】
従来、例えば、図５に示すような形状をしたブランクを組み立てたトレー容器が冷凍食品等の包装用として使用されている。
【０００３】
このトレー容器に使用されるブランクは、方形の底面板１１の相対向する二辺には、それぞれ山折り線を介して側面板１２、１２が連設され、側面板１２、１２の外周には、谷折り線を介して縁片１３、１３が連設され、縁片１３、１３の両左右端にはそれぞれ横方向に延びる舌片１３１、１３１が設けられ、前記側面板１２、１２の左右端には、それぞれ山折り線を介して逆三角形状の折り込み接合板１２１、１２１が連設され、折り込み接合板１２１、１２１の外周には、谷折り線を介して（縁片１３と同一平面を形成する）接合縁片１２２が連設され、底面板１１の他の相対向する二辺には、それぞれ山折り線を介して第２側面板１４、１４が連設され、第２側面板１４、１４の外周には、谷折り線を介して第２縁片１５、１５が連設され、第２縁片１５、１５の左右端には、それぞれ横方向に延びる第２舌片１５１、１５１が設けられ、前記第２側面板１４、１４の左右端には、それぞれ谷折り線を介して逆三角形状の第２折り込み接合板１４１、１４１が連設され、前記折り込み接合板１２１の端縁と第２折り込み接合板１４１の端縁とは山折り線を介して連設されると共に、各側面板を折り曲げ、第２折り込み接合板１４１の外側と第２側面板１４の外側とを接着させ、縁片１３、第２縁片１５、接合縁片１２２をそれぞれ谷折りして、接合縁片１２２の内側と第２縁片１５の外側を接着し、舌片１３１の内側と第２舌片１５１の外側を接着してトレー状に組立てた際、縁片１３、１３、第２縁片１５、１５、接合縁片１２２、１２２が各々同一平面を形成するように作製されているトレー容器用ブランクである。
【０００４】
【発明が解決しようとする課題】
ところがこのトレー容器用ブランクにおいては、このブランクを容器に成形し、水物等の内容物を充填し蓋板を被せて密封した際、隅角の側面板１２と折り込み接合板１２１と第２折り込み接合板１４１と第２側面板１４との交点で、縁片の舌片１３１と第２縁片の第２舌片１５１が重なる部分（図６で示すＨ）に針の先程度の微細な孔があいて、内容物が水物の場合、液汁が漏れだすという問題がある。
【０００５】
本発明は、トレー容器用ブランクに関する以上のような問題点に着目してなされたもので、粉末や液汁を漏れにくくしたトレー容器用ブランクを提供することを目的とする。
【０００６】
【課題を解決するための手段】
本発明の第１の発明は、図１に示すように、方形の底面板１１の相対向する二辺に、それぞれ山折り線を介して側面板１２、１２が連設され、側面板１２、１２の外周に、谷折り線を介して縁片１３、１３が連設され、縁片１３、１３の左右端に、それぞれ横方向に延びる舌片１３１、１３１が設けられ、前記側面板１２、１２の左右端に、それぞれ山折り線を介して逆三角形状の折り込み接合板１２１、１２１が連設され、折り込み接合板１２１、１２１の外周には、谷折り線を介して接合縁片１２２が連設され、底面板１１の他の相対向する二辺に、それぞれ山折り線を介して第２側面板１４、１４が連設され、第２側面板１４、１４の外周に、谷折り線を介して第２縁片１５、１５が連設され、第２縁片１５、１５の左右端に、それぞれ横方向に延びる第２舌片１５１、１５１が設けられ、前記第２側面板１４、１４の左右端に、それぞれ谷折り線を介して逆三角形状の第２折り込み接合板１４１、１４１が連設され、前記折り込み接合板１２１の側面板１２と連設していない方の端縁と、第２折り込み接合板１４１の第２側面板１４と連設していない方の端縁とは、山折り線を介して連設されると共に、各側面板を折り曲げてトレー状に組立てた際、縁片１３、１３、第２縁片１５、１５、接合縁片１２２、１２２がそれぞれ同一平面を形成するように設定されているトレー容器用ブランクであって、各隅角の第２舌片１５１と第２折り込み接合板１４１が接する近傍の第２舌片の端縁に、第２折り込み接合板側に突出する小突起１５２が設けられていることを特徴とするトレー容器用ブランクである。
【０００７】
折り込み接合板１２１の外周に接合縁片１２２を設けないブランクも可能である。この場合、折り込み接合板と第２折り込み接合板は折り曲げて、各側面板の外側に接着させても、内側に接着させてもいずれの方法を採用することも可能である。
【０００８】
また、第２の発明は、図３に示すように、第１の発明において、前記各隅角の側面板１２と折り込み接合板１２１と舌片１３１とが接する交点を略中心点として半円状の外方に突出する切り欠き１２３が舌片１３１をえぐるように設けられると共に、第２舌片１５１の第２折り込み接合板側に第２折り込み接合板１４１に接する突出部１５３が設けられていることを特徴とするトレー容器用ブランクである。
【０００９】
【作用】
上記のように第１、第２の発明のような側面板と第２側面板が折り込み接合板と第２接合板を介して連続しているトレー容器ブランクにあっては、各隅角の第２舌片と第２折り込み接合板が接する近傍の第２舌片の端縁に、第２折り込み接合板側に突出する小突起が設けられているので、トレーに組立て、蓋材で開口面を封緘した際、トレーの隅角の側面板と第２側面板との交点で、縁片の舌片と第２縁片の第２舌片が重なる部分（Ｈ点）は、小突起により交点が保護され、微細な孔の発生することがなくなる。
【００１０】
また、各隅角の側面板と折り込み接合板と舌片とが接する交点を略中心点として半円状の外方に突出する切り欠きが舌片をえぐるように設けられると共に、第２舌片の第２折り込み接合板側に第２折り込み接合板に接する突出部が設けられていると、容器に組立てた際、半円状の切り欠きが孔を塞ぎ、切り欠きによって生じた孔は突出部が塞ぐので、前記交点Ｈに微細な孔の発生することがなくなる。
【００１１】
【発明の実施の形態】
以下図面に基づいて本発明を詳細に説明する。
〈実施例１〉
図１は、本発明のトレー容器用ブランクの一実施例を示す展開説明図であり、方形の底面板１１の相対向する二辺に、それぞれ山折り線を介して側面板１２、１２が連設され、側面板１２、１２の外周には谷折り線を介して縁片１３、１３が連設されている。
【００１２】
縁片１３、１３の左右端には、それぞれ横方向に延びる舌片１３１、１３１が設けられている。
【００１３】
側面板１２、１２の左右端には、それぞれ山折り線を介して逆三角形状の折り込み接合板１２１、１２１が連設され、折り込み接合板の外周には、谷折り線を介して接合縁片１２２、１２２が連設されている。
接合縁片１２２を設けないブランクとしても構わない（図面は省略する）。
【００１４】
底面板１１の他の相対向する二辺には、それぞれ山折り線を介して第２側面板１４、１４が連設され、第２側面板の外周には谷折り線を介して第２縁片１５、１５が連設されている。
【００１５】
第２縁片１５、１５の左右端には、それぞれ横方向に延びる第２舌片１５１、１５１が設けられ、第２舌片１５１、１５１の第２舌片と第２折り込み接合板が接する近傍の第２舌片の端縁には、第２折り込み接合板側に突出する小突起１５２、１５２が設けられている。
【００１６】
このブランクに使用する材料は、一般的に紙箱用として使用されるコートボール、コートマニラ、アイボリー等の板紙で良いが、収容物が冷凍食品等の水分を多く含むものの場
合には、板紙の少なくとも内面にポリエチレン樹脂を溶融押出し法により塗布したポリエチレン加工紙が好ましく使用できる。トレーに組み立てた時、ポリエチレンが接合に有利であることを考慮すると、ブランクの両面にポリエチレン樹脂等の熱可塑性樹脂が塗布されている加工紙を使用することが望ましい。
【００１７】
ブランクから容器への組立てはつぎのようにして行う。
すなわち、各側面板を折り曲げてトレー状に組立て、先ず、折り込み接合板１２１と第２折り込み接合板１４１の内面同士を接着させる。ついで、接着させた２枚の接合板を第２側面板１４側に折り曲げ、第２側面板と第２折り込み接合板を接着させると共に、縁片１３、第２縁片１５、接合縁片１２２をそれぞれ谷折りして、接合縁片１２２の内側と第２縁片１５の外側を接着させ、舌片１３１の内側と第２舌片１５１の外側を接着させ、トレー容器が組上がる。
【００１８】
第２舌片１５１の第２折り込み接合板側に、突出する小突起１５２を設けたことにより、各隅角のＨ点は小突起１５２によりカバーされ密封性が向上する（図２参照）。
【００１９】
〈実施例２〉
側面板１２と縁片１３を分ける谷折り線と、側面板１２と折り込み接合板１２１を分ける谷折り線と、が交差する点を中心とした半円状の切り欠き１２３を舌片１３をえぐるように作製したことと、第２舌片１５１の第２折り込み接合板側に、第２折り込み接合板１４１の端縁を切り取るような突出部１５３を設けた以外は、実施例１と同様のブランクを作製し実施例２のブランクとした（図３参照）。
【００２０】
このブランクを実施例１と同様にトレー状に組み立てた（詳細な説明は省略する）。
【００２１】
半円状の切り欠き１２３と、第２折り込み接合板１４１の端縁を切り取るような突出部１５３を設けたことにより、半円状の切り欠き１２３が孔（Ｈ点）を塞ぎ、切り欠きによって生じた孔は突出部１５３が塞ぐので、各隅角のＨ点から微細な孔の発生することがない（図４参照）。
【００２２】
【発明の効果】
上記のように本発明のトレー容器用ブランクを用いたトレー容器は、隅角部からのもれが少なくなる。
機械適性やコストは従来使用されているものと変わらない。
【図面の簡単な説明】
【図１】 本発明のトレー容器用ブランクの一実施例を示す展開説明図である。
【図２】 実施例１のブランクを容器に組立て、隅角部分を拡大して示した説明図である。
【図３】 実施例２のトレー容器用ブランクの展開説明図である。
【図４】 実施例２のブランクを容器に組立て、隅角部分を拡大して示した説明図である。
【図５】 従来のトレー容器用ブランクの展開説明図である。
【図６】 従来のトレー容器用ブランクを容器に組立て、隅角部分を拡大して示した説明図である。
【符号の説明】
１１‥‥底面板
１２‥‥側面板
１３‥‥縁片
１４‥‥第２側面板
１５‥‥第２縁片
１２１‥‥折り込み接合板
１２２‥‥接合縁片
１２３‥‥切り欠き
１３１‥‥舌片
１４１‥‥第２折り込み接合板
１５１‥‥第２舌片
１５２‥‥小突起
１５３‥‥突出部[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a blank for a tray container used for packaging frozen foods, powders and the like.
[0002]
[Prior art]
Conventionally, for example, a tray container in which a blank having a shape as shown in FIG. 5 is assembled is used for packaging frozen food or the like.
[0003]
In the blank used for this tray container, side plates 12 and 12 are connected to two opposite sides of the square bottom plate 11 via mountain fold lines, respectively. The edge pieces 13 and 13 are connected to each other through the valley fold line, and the left and right ends of the edge pieces 13 and 13 are respectively provided with tongue pieces 131 and 131 extending in the lateral direction. Inverted triangular joining plates 121 and 121 are connected to the ends via mountain fold lines, respectively, and the outer periphery of the folding joining plates 121 and 121 is arranged on the same plane as the edge piece 13 via valley fold lines. The second side plates 14 and 14 are connected to the other two opposite sides of the bottom plate 11 via mountain fold lines, respectively. 14 and 14 are provided with second edge pieces 15 and 15 continuously through valley fold lines. The left and right ends of the second edge pieces 15 and 15 are respectively provided with second tongue pieces 151 and 151 extending in the lateral direction. The left and right ends of the second side plates 14 and 14 are respectively provided with valley fold lines. Inverted triangular second folding joining plates 141 and 141 are connected to each other, and the edge of the folding joining plate 121 and the end edge of the second folding joining plate 141 are connected to each other via a mountain fold line. Each side plate is bent, the outside of the second folded joint plate 141 and the outside of the second side plate 14 are bonded, and the edge piece 13, the second edge piece 15, and the joining edge piece 122 are each folded in a valley and joined. When the inner side of the edge piece 122 and the outer side of the second edge piece 15 are bonded together, and the inner side of the tongue piece 131 and the outer side of the second tongue piece 151 are bonded together and assembled into a tray shape, the edge pieces 13, 13 and the second edge The pieces 15, 15 and the joining edge pieces 122, 122 each form the same plane. A tray container blank being manufactured.
[0004]
[Problems to be solved by the invention]
However, in this tray container blank, when the blank is molded into a container, filled with contents such as water, covered with a cover plate, and sealed, the side plate 12 in the corner, the folded joint plate 121 and the second folded in At the intersection of the joining plate 141 and the second side plate 14, a fine hole about the tip of the needle is formed at a portion (H shown in FIG. 6 ) where the tongue piece 131 of the edge piece and the second tongue piece 151 of the second edge piece overlap. If the contents are water, there is a problem that the juice leaks.
[0005]
The present invention has been made paying attention to the above-described problems relating to a tray container blank, and an object of the present invention is to provide a tray container blank in which powder and liquid juice are less likely to leak.
[0006]
[Means for Solving the Problems]
In the first aspect of the present invention, as shown in FIG. 1, side plates 12, 12 are connected to two opposite sides of a square bottom plate 11 via mountain fold lines, respectively. Edge pieces 13 and 13 are continuously provided on the outer periphery of 12 via valley fold lines, and tongue pieces 131 and 131 extending in the lateral direction are provided on the left and right ends of the edge pieces 13 and 13, respectively. 12 are respectively connected to the right and left ends of the fold joint plates 121 and 121 through mountain fold lines, and the joining edge pieces 122 are formed on the outer periphery of the fold joint plates 121 and 121 through valley fold lines. The second side plates 14 and 14 are connected to the other two opposite sides of the bottom plate 11 via mountain fold lines, respectively, and the valley fold lines are formed on the outer periphery of the second side plates 14 and 14. The second edge pieces 15 and 15 are connected to each other via the left and right ends of the second edge pieces 15 and 15, respectively. Second tongue pieces 151, 151 extending in the lateral direction are provided, and second triangular joining plates 141, 141 each having an inverted triangle shape are connected to the left and right ends of the second side plates 14, 14 via valley fold lines, respectively. The end edge of the folded joint plate 121 not connected to the side surface plate 12 and the end edge of the second folded joint plate 141 not connected to the second side surface plate 14 are mountain-folded. When the side plates are folded and assembled in a tray shape, the edge pieces 13, 13, the second edge pieces 15, 15, and the joining edge pieces 122, 122 form the same plane. The tray container blank is set in such a manner that the second tongue piece 151 at each corner and the second folding joint plate 141 come into contact with the end edge of the second tongue piece near the second folding joint plate side. A protruding small protrusion 152 is provided. A laser container blank.
[0007]
A blank in which the joining edge piece 122 is not provided on the outer periphery of the folded joining plate 121 is also possible. In this case, the folding joint plate and the second folding joint plate can be bent and bonded to the outside or the inside of each side plate, and either method can be adopted.
[0008]
In addition, as shown in FIG. 3, the second invention is a semicircular shape having the intersection of the side plate 12 at each corner, the folded joint plate 121 and the tongue piece 131 as a substantially center point. A notch 123 protruding outward from the tongue piece 131 is provided, and a protruding portion 153 in contact with the second folding joint plate 141 is provided on the second folding joint plate side of the second tongue piece 151. This is a blank for a tray container.
[0009]
[Action]
As described above, in the tray container blank in which the side plate and the second side plate as in the first and second inventions are continuous through the folded joint plate and the second joint plate, 2 Since the small tongue protruding to the second folding joint plate side is provided at the edge of the second tongue piece in the vicinity where the second tongue piece and the second folding joint plate are in contact with each other, the tray is assembled and the opening surface is formed by the lid member. When sealed, at the intersection of the side plate at the corner of the tray and the second side plate, the portion where the tongue piece of the edge piece and the second tongue piece of the second edge piece overlap (point H) is intersected by a small protrusion. It is protected and fine pores are not generated.
[0010]
In addition, a notch protruding outward in a semicircular shape about the intersection point where the side plate at each corner, the folded joint plate, and the tongue piece contact each other is provided so as to surround the tongue piece, and the second tongue piece When the protrusion part which contacts the second folding joint plate is provided on the second folding joint plate side, the semicircular notch closes the hole when the container is assembled, and the hole generated by the notch is the projecting part. Therefore, no fine holes are generated at the intersection H.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail with reference to the drawings.
<Example 1>
FIG. 1 is a developed explanatory view showing an embodiment of a tray container blank according to the present invention. Side plates 12 and 12 are connected to two opposite sides of a rectangular bottom plate 11 via mountain fold lines, respectively. Edge pieces 13 and 13 are connected to the outer periphery of the side plates 12 and 12 via valley fold lines.
[0012]
At the left and right ends of the edge pieces 13, 13, tongue pieces 131, 131 extending in the lateral direction are provided.
[0013]
The left and right ends of the side plates 12, 12 are respectively connected with inverted triangular fold joint plates 121, 121 via mountain fold lines, and the outer edges of the fold joint plates are joined edge pieces via valley fold lines. 122 and 122 are connected.
A blank without the joining edge piece 122 may be used (the drawing is omitted).
[0014]
On the other two opposite sides of the bottom plate 11, second side plates 14 and 14 are connected to each other via a mountain fold line, and a second edge is provided on the outer periphery of the second side plate via a valley fold line. The pieces 15 and 15 are provided continuously.
[0015]
The left and right ends of the second edge pieces 15 and 15 are respectively provided with second tongue pieces 151 and 151 extending in the lateral direction, and the vicinity of the second tongue pieces 151 and 151 in contact with the second folding joint plate On the edge of the second tongue piece, there are provided small projections 152, 152 projecting toward the second folded joint plate.
[0016]
The material used for this blank may be paperboard such as coated balls, coated manila, and ivory, which are generally used for paper boxes. However, if the contents contain a lot of moisture such as frozen food, at least the paperboard A polyethylene processed paper in which a polyethylene resin is applied to the inner surface by a melt extrusion method can be preferably used. In view of the fact that polyethylene is advantageous for joining when assembled in a tray, it is desirable to use a processed paper in which a thermoplastic resin such as polyethylene resin is applied to both sides of the blank.
[0017]
The assembly from the blank to the container is performed as follows.
That is, the side plates are folded and assembled in a tray shape, and first, the inner surfaces of the folding joint plate 121 and the second folding joint plate 141 are bonded together. Next, the bonded two joining plates are bent to the second side plate 14 side to bond the second side plate and the second folded joining plate, and the edge piece 13, the second edge piece 15, and the joining edge piece 122 are joined together. Each tray is folded, the inside of the joining edge piece 122 and the outside of the second edge piece 15 are adhered, the inside of the tongue piece 131 and the outside of the second tongue piece 151 are adhered, and the tray container is assembled.
[0018]
By providing the protruding small protrusions 152 on the second folding piece 151 side of the second tongue piece 151, the H points at the respective corners are covered by the small protrusions 152 and the sealing performance is improved (see FIG. 2).
[0019]
<Example 2>
The tongue piece 13 is passed through a semicircular cutout 123 centering on the point where the valley fold line dividing the side plate 12 and the edge piece 13 and the valley fold line dividing the side plate 12 and the folded joint plate 121 intersect. The same blank as in Example 1 except that the second tongue piece 151 is provided with a protruding portion 153 that cuts off the edge of the second folding joint plate 141 on the second folding joint plate side of the second tongue piece 151. To make a blank of Example 2 (see FIG. 3).
[0020]
This blank was assembled in a tray shape in the same manner as in Example 1 (detailed description is omitted).
[0021]
By providing the semicircular cutout 123 and the projecting portion 153 that cuts off the end edge of the second folding joint plate 141, the semicircular cutout 123 closes the hole (point H), and the cutout Since the protrusion 153 closes the generated hole, a fine hole is not generated from the H point of each corner (see FIG. 4).
[0022]
【The invention's effect】
As described above, the tray container using the tray container blank of the present invention has less leakage from the corner.
Mechanical suitability and cost are not different from those used in the past.
[Brief description of the drawings]
FIG. 1 is a development explanatory view showing an embodiment of a tray container blank of the present invention.
FIG. 2 is an explanatory view showing a corner portion enlarged by assembling the blank of Example 1 into a container.
3 is a development explanatory view of a tray container blank of Example 2. FIG.
FIG. 4 is an explanatory view showing a corner portion enlarged by assembling the blank of Example 2 into a container.
FIG. 5 is a development explanatory view of a conventional tray container blank.
FIG. 6 is an explanatory view showing a conventional tray container blank assembled into a container and an enlarged corner portion.
[Explanation of symbols]
11 ... Bottom plate 12 ... Side plate 13 ... Edge piece 14 ... Second side plate 15 ... Second edge piece 121 ... Folded joining plate 122 ... Joining edge piece 123 ... Notch 131 ... Tongue Piece 141 ... 2nd folding joint plate 151 ... 2nd tongue piece 152 ... Small protrusion 153 ... Projection

Claims (2)

方形の底面板の相対向する二辺に、それぞれ山折り線を介して側面板が連設され、側面板の外周に、谷折り線を介して縁片が連設され、縁片の左右端に、それぞれ横方向に延びる舌片が設けられ、前記側面板の左右端に、それぞれ山折り線を介して逆三角形状の折り込み接合板が連設され、折り込み接合板の外周には、谷折り線を介して接合縁片が連設され、底面板の他の相対向する二辺に、それぞれ山折り線を介して第２側面板が連設され、第２側面板の外周に、谷折り線を介して第２縁片が連設され、第２縁片の左右端に、それぞれ横方向に延びる第２舌片が設けられ、前記第２側面板の左右端に、それぞれ谷折り線を介して逆三角形状の第２折り込み接合板が連設され、前記折り込み接合板の側面板と連設していない方の端縁と、第２折り込み接合板の第２側面板と連設していない方の端縁とは、山折り線を介して連設されると共に、各側面板を折り曲げてトレー状に組立てた際、縁片、第２縁片、接合縁片がそれぞれ同一平面を形成するように設定されているトレー容器用ブランクであって、各隅角の第２舌片と第２折り込み接合板が接する近傍の第２舌片の端縁に、第２折り込み接合板側に突出する小突起が設けられていることを特徴とするトレー容器用ブランク。  Side plates are connected to opposite sides of the square bottom plate via mountain fold lines, and edge pieces are connected to the outer periphery of the side plate via valley fold lines. Are provided with tongues extending in the lateral direction, and left and right ends of the side plates are respectively connected with inverted triangular fold joint plates via mountain fold lines, and the outer periphery of the fold joint plate has a valley fold. A connecting edge piece is continuously provided via a line, a second side face plate is provided continuously on the other two opposite sides of the bottom face plate via a mountain fold line, and a valley fold is provided on the outer periphery of the second side face plate. The second edge piece is continuously provided through the line, the second tongue piece extending in the lateral direction is provided at the left and right ends of the second edge piece, and the valley fold lines are respectively provided at the left and right ends of the second side plate. A second folded joining plate having an inverted triangular shape is provided through the end of the folded joining plate that is not continuously provided with the side plate; The edge of the joint plate not connected to the second side plate is connected via a mountain fold line, and when the side plates are folded and assembled into a tray shape, an edge piece, A tray container blank in which the second edge piece and the joining edge piece are each set to form the same plane, and the second tongue in the vicinity where the second tongue piece at each corner and the second folding joining plate are in contact with each other. A tray container blank, characterized in that a small protrusion protruding toward the second folded joint plate is provided on an edge of the piece. 前記各隅角の側面板と折り込み接合板と舌片とが接する交点を略中心点として半円状の外方に突出する切り欠きが舌片をえぐるように設けられると共に、第２舌片の第２折り込み接合板側に第２折り込み接合板に接する突出部が設けられていることを特徴とする請求項１記載のトレー容器用ブランク。  A notch protruding outward in a semicircular shape about the intersection point where the side plate at each corner, the folded joint plate, and the tongue piece contact each other is provided so as to surround the tongue piece, and the second tongue piece The blank for a tray container according to claim 1, wherein a protruding portion in contact with the second folding joint plate is provided on the second folding joint plate side.
JP05463799A 1999-03-02 1999-03-02 Blank for tray container Expired - Lifetime JP3687396B2 (en)

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JP2012188159A (en) * 2011-03-14 2012-10-04 Toppan Printing Co Ltd Paper container having flange
JP2014005033A (en) * 2012-06-25 2014-01-16 Toppan Printing Co Ltd Paper container with flange, paper container and blank for paper container with flange
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