JP2011111176A - Cardboard tray - Google Patents

Cardboard tray Download PDF

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JP2011111176A
JP2011111176A JP2009267647A JP2009267647A JP2011111176A JP 2011111176 A JP2011111176 A JP 2011111176A JP 2009267647 A JP2009267647 A JP 2009267647A JP 2009267647 A JP2009267647 A JP 2009267647A JP 2011111176 A JP2011111176 A JP 2011111176A
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wall
holding
plate
locking
walls
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JP5408544B2 (en
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Takehisa Saito
剛央 齋藤
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Rengo Co Ltd
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Rengo Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a cardboard tray which enables the standing position of side walls and end walls to be maintained by simple work. <P>SOLUTION: According to the cardboard tray, side walls 2 and end walls 3 are formed consecutively across corners around a bottom wall 1. Each end wall 3 is formed of double end boards 4 and 5 and an end top board 6, and is provided with embracing walls 7 connected to the side ends of the end wall 3, each embracing wall 7 being formed of double holding boards 8 and 9 and a top-holding board 10 extending respectively from the double end boards 4 and 5 and end top board 6. An end of each side wall 2 is held between the holding boards 8 and 9 of each embracing wall 7. A notch 11a extending over the double holding boards 8 and 9 and the top-holding board 10 is formed on the embracing wall 7 to form a locking nail 11, on which a folding line 11b located in the middle of the width of the top-holding board 10 is formed to outwardly fold the locking nail 11. The top end of each side wall 2 is cut out to form a locking step 2a. As the end walls 3 stand up, the locking steps 2a lock into the edges of locking nails 11 close to the notches 11a to maintain the standing state of the side walls 2 and end walls 3. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

この発明は、段ボール等の厚紙を材料として組み立てられ、物品の運搬や保管に使用されるトレーに関するものである。   The present invention relates to a tray that is assembled using cardboard or the like as a material and is used for transporting or storing articles.

例えば、下記特許文献１には、図５に示す厚紙のブランクを、図６に示すような形状に組み立てたトレーが記載されている。   For example, Patent Document 1 below describes a tray in which a thick paper blank shown in FIG. 5 is assembled into a shape as shown in FIG.

このトレーは、底壁５１の周囲にコーナー部を挟んで側壁５２及び端壁５３を連設し、端壁５３を内外二重の端板５４，５５及び端頂板５６により形成し、端壁５３の側端に抱持壁５７を連設して、抱持壁５７を各端板５４，５５及び端頂板５６からそれぞれ延びる内外二重の抱板５８，５９及び抱頂板６０により形成し、抱持壁５７の抱板５８，５９の間に側壁５２の端部を挟み込んだものとされている。   In this tray, a side wall 52 and an end wall 53 are connected around the bottom wall 51 with a corner portion interposed therebetween, and the end wall 53 is formed by inner and outer double end plates 54 and 55 and an end top plate 56. A holding wall 57 is connected to the side end of each of the holding plates 57, and the holding wall 57 is formed by inner and outer double holding plates 58 and 59 and a holding plate 60 extending from the end plates 54 and 55 and the end top plate 56, respectively. The end portion of the side wall 52 is sandwiched between the holding plates 58 and 59 of the holding wall 57.

米国特許第３９４４１２９号明細書U.S. Pat. No. 3,944,129

しかしながら、上記のような厚紙製トレーでは、側壁５２の端部と抱持壁５７とを、接着剤やステープルにより固着しなければ、底壁５１に対する側壁５２及び端壁５３の起立状態が維持されないという問題がある。   However, in the cardboard tray as described above, the standing state of the side wall 52 and the end wall 53 with respect to the bottom wall 51 is not maintained unless the end of the side wall 52 and the holding wall 57 are fixed by an adhesive or staples. There is a problem.

そこで、この発明は、側壁及び端壁の起立状態を簡単な作業で維持できるようにすることを課題とする。   Therefore, an object of the present invention is to maintain the standing state of the side wall and the end wall with a simple operation.

上記課題を解決するため、この発明は、底壁の周囲にコーナー部を挟んで側壁及び端壁を連設し、端壁を二重の端板及び端頂板により形成し、端壁の側端に抱持壁を連設して、抱持壁を端板及び端頂板からそれぞれ延びる二重の抱板及び抱頂板により形成し、抱持壁の抱板の間に側壁の端部を挟み込む厚紙製トレーにおいて、前記抱持壁に、二重の抱板及び抱頂板に跨る切目を入れて係止爪を形成し、係止爪に抱頂板の幅方向の中間に位置する折目線を入れて、係止爪を山形に折り曲げ、側壁に上端を切り欠いて係止段部を形成し、端壁の起立に伴い、係止爪の切目側の端縁に係止段部が係合して、側壁及び端壁の起立状態が維持されるようにしたのである。   In order to solve the above-mentioned problems, the present invention is such that a side wall and an end wall are connected around a corner portion around a bottom wall, the end wall is formed by a double end plate and an end top plate, and a side edge of the end wall is formed. A cardboard tray in which a holding wall is connected to each other, the holding wall is formed by a double holding plate and a top plate extending from the end plate and the end top plate, respectively, and the end portion of the side wall is sandwiched between the holding plates of the holding wall In the holding wall, a notch extending between the double holding plate and the crest plate is formed on the holding wall to form a locking claw, and a crease line located in the middle of the crest plate in the width direction is put on the locking claw. The pawl is bent into a chevron shape, the upper end of the side wall is cut out to form a locking step, and the locking step is engaged with the cut edge of the locking pawl as the end wall rises. In addition, the standing state of the end wall is maintained.

この発明に係る厚紙製トレーでは、底壁から端壁を起立させる際、端壁から屈曲させた抱持壁の抱板の間に側壁の端部を挟み込むだけで、側壁と端壁とがロックされるので、簡単な作業で組み立てることができ、このロックにより側壁及び端壁が起立状態で安定し、優れた強度を得ることができる。   In the cardboard tray according to the present invention, when the end wall is erected from the bottom wall, the side wall and the end wall are locked only by sandwiching the end of the side wall between the holding plates of the holding wall bent from the end wall. Therefore, it can be assembled by a simple operation, and the side wall and the end wall are stabilized in an upright state by this lock, and an excellent strength can be obtained.

この発明の実施形態に係る厚紙製トレーのブランクを示す図The figure which shows the blank of the cardboard tray which concerns on embodiment of this invention 同上の組立過程を示す斜視図Perspective view showing the assembly process 同上の組立状態を示す斜視図The perspective view which shows an assembly state same as the above. 同上の側壁と端壁とのロック過程を示す部分斜視図The fragmentary perspective view which shows the locking process of a side wall and an end wall same as the above 従来の厚紙製トレーのブランクを示す図Figure showing a conventional cardboard tray blank 同上の組立状態を示す斜視図The perspective view which shows an assembly state same as the above.

以下、この発明の実施形態を添付図面に基づいて説明する。   Embodiments of the present invention will be described below with reference to the accompanying drawings.

このトレーは、図１に示すような段ボールのブランクから形成される。このブランクでは、長方形状の底壁１の周囲各辺のうち、コーナー部を挟む長辺に側壁２が、短辺に端壁３がそれぞれ連設されている。端壁３は、底壁１側から順次配置された端板４，５と、これを繋ぐ端頂板６により形成されている。   The tray is formed from a cardboard blank as shown in FIG. In this blank, among the respective sides around the rectangular bottom wall 1, the side wall 2 is connected to the long side sandwiching the corner portion, and the end wall 3 is connected to the short side. The end wall 3 is formed by end plates 4 and 5 that are sequentially arranged from the bottom wall 1 side, and an end top plate 6 that connects them.

端壁３の側端には、抱持壁７が連設され、抱持壁７は、各端板４，５及び端頂板６からそれぞれ延びて互いに繋がった抱板８，９及び抱頂板１０により形成されている。抱板９の先端角部は、斜めに切断されている。   A holding wall 7 is connected to the side end of the end wall 3, and the holding wall 7 extends from each of the end plates 4, 5 and the end top plate 6 and is connected to each other. It is formed by. The front corner of the holding plate 9 is cut obliquely.

抱持壁７には、抱板８，９及び抱頂板１０に跨る切目１１ａを入れて係止爪１１が形成され、係止爪１１には、抱頂板１０の幅方向の中間において、抱板９側へ若干寄った位置に折目線１１ｂが入れられ、抱板９側の一端に折目線１１ｃが入れられている。切目１１ａは、折目線１１ｂへかけて係止爪１１の幅が狭くなるように傾斜している。   A retaining claw 11 is formed in the retaining wall 7 by inserting a notch 11 a extending over the retaining plates 8, 9 and the crest plate 10, and the retaining claw 11 has a retaining plate in the middle in the width direction of the crest plate 10. A crease line 11b is placed at a position slightly closer to the 9 side, and a crease line 11c is placed at one end of the holding plate 9 side. The cut 11a is inclined so that the width of the locking claw 11 becomes narrower toward the crease line 11b.

側壁２には、組立時に上端となる端縁の中間部分を切り欠いて、両側に係止段部２ａが形成され、係止段部２ａは、組立時の上端側が迫り出すように傾斜している。側壁２の両側の端縁には、弧状の切欠縁２ｂが形成されている。   The side wall 2 is notched at the middle part of the edge that becomes the upper end during assembly, and is formed with locking step portions 2a on both sides, and the locking step portion 2a is inclined so that the upper end side during assembly protrudes. Yes. Arc-shaped notch edges 2 b are formed at both end edges of the side wall 2.

端板５と抱板９の境界部には、中間に折目線１２ａが、その両側に折目線１２ｂがそれぞれ入れられ、この境界部から端頂板６と抱頂板１０の境界部へかけて、逃穴１２ｃが設けられている。逃穴１２ｃは、端頂板６と抱頂板１０の境界部でＶ字状となっている。   A crease line 12a is inserted in the middle of the boundary between the end plate 5 and the holding plate 9, and a crease line 12b is placed on both sides of the boundary. A hole 12c is provided. The escape hole 12 c is V-shaped at the boundary between the end top plate 6 and the crest plate 10.

端壁３の端板４，５と端頂板６との境界の折目線１３ａは、端頂板６が長さ方向の中間側で幅広くなるように傾斜し、底壁１と端板４との境界の折目線１３ｂは、対向する折目線１３ａと対称となるように傾斜している。   The crease line 13a at the boundary between the end plates 4 and 5 and the end top plate 6 of the end wall 3 is inclined so that the end top plate 6 becomes wider on the middle side in the length direction, and the boundary between the bottom wall 1 and the end plate 4 The crease line 13b is inclined so as to be symmetric with the crease line 13a facing each other.

また、端板４，５には、トレーの運搬時に手を入れる取手穴１４が設けられている。さらに、段積み時の積ずれを防止するため、端板５の端頂板６との境界中央部には、コ字状の切込により係合突起１５が形成され、底壁１の端板４との境界沿い及び端板５の先端縁の中央部には、係合突起１５が挿入される係合穴１６が設けられている。   Further, the end plates 4 and 5 are provided with handle holes 14 into which hands are inserted when the tray is transported. Furthermore, in order to prevent a stacking error at the time of stacking, an engagement protrusion 15 is formed by a U-shaped notch at the center of the boundary between the end plate 5 and the end top plate 6, and the end plate 4 of the bottom wall 1. An engagement hole 16 into which the engagement protrusion 15 is inserted is provided along the boundary with the center of the tip edge of the end plate 5.

このようなブランクを組み立てるには、図２及び図４（ａ），（ｂ）に示すように、底壁１から側壁２を起立させ、端壁３を、折目線１３ａに沿って、端板４が外側となり、端板５が内側となる方向へ巻き込むように折り曲げると共に、抱持壁７を、抱板８が外側となり、抱板９が内側となる方向へ巻き込むように折り曲げる。   To assemble such a blank, as shown in FIG. 2 and FIGS. 4 (a) and 4 (b), the side wall 2 is erected from the bottom wall 1, and the end wall 3 is moved along the crease line 13a. 4 is the outside and the end plate 5 is bent so as to be wound inward, and the holding wall 7 is bent so that the holding plate 8 is outward and the holding plate 9 is wound inward.

このように端壁３を折り曲げると、端壁３及び抱持壁７は二重構造となり、抱頂板１０と抱板８，９の境界の折目線と、係止爪１１の折目線１１ｂとのずれにより、係止爪１１が折目線１１ｂ，１１ｃに沿って山形に折れ曲がる。   When the end wall 3 is bent in this way, the end wall 3 and the holding wall 7 have a double structure, and the fold line at the boundary between the crest plate 10 and the couch plates 8 and 9 and the crease line 11b of the locking claw 11 are formed. Due to the shift, the locking claw 11 is bent into a mountain shape along the crease lines 11b and 11c.

次に、端壁３と抱持壁７とを、折目線１２ａに沿って谷折りすると共に、その両側の折目線１２ｂに沿って山折りすることにより、コーナー部を形成するように屈曲させ、底壁１からの端壁３の起立に伴い、抱持壁７の抱板８，９の間に側壁２の端部を挟み込む。   Next, the end wall 3 and the holding wall 7 are bent so as to form a corner portion by valley-folding along the crease line 12a and mountain-folding along the crease line 12b on both sides thereof, As the end wall 3 rises from the bottom wall 1, the end of the side wall 2 is sandwiched between the holding plates 8 and 9 of the holding wall 7.

このとき、逃穴１２ｃの存在により、反発が軽減されて、端壁３と抱持壁７とを容易に屈曲させることができる。また、抱板９の先端角部が斜めに切断されているので、側壁２の端部が抱板８，９の間に誘導され、側壁２の端縁に弧状の切欠縁２ｂが形成されているので、抱板９が側壁２の端縁に引っ掛かることなく、端壁３を起こすことができる。   At this time, due to the presence of the escape hole 12c, repulsion is reduced, and the end wall 3 and the holding wall 7 can be easily bent. Further, since the front end corner portion of the holding plate 9 is cut obliquely, the end portion of the side wall 2 is guided between the holding plates 8 and 9, and an arcuate cutout edge 2 b is formed at the end edge of the side wall 2. Therefore, the end wall 3 can be raised without the holding plate 9 being caught by the edge of the side wall 2.

そして、図３及び図４（ｃ）に示すように、端壁３を直立させると、係止爪１１の切目１１ａ側の端縁に係止段部２ａが係合して、側壁２と端壁３とがロックされ、側壁２及び端壁３の起立状態が維持される。   Then, as shown in FIGS. 3 and 4C, when the end wall 3 is erected, the locking step 2a is engaged with the edge of the locking claw 11 on the cut 11a side, and the side wall 2 and the end The wall 3 is locked, and the standing state of the side wall 2 and the end wall 3 is maintained.

このとき、切目１１ａ及び係止段部２ａの傾斜により、係止爪１１の内面と抱板９との間に形成される隙間に係止段部２ａが食い込むような状態となり、係止爪１１と係止段部２ａとが確実に係合する。   At this time, due to the inclination of the cut 11a and the locking step 2a, the locking step 2a bites into the gap formed between the inner surface of the locking claw 11 and the holding plate 9, and the locking claw 11 And the engaging step 2a are securely engaged.

このように、上記のような段ボール製トレーでは、底壁１から端壁３を起立させる際、端壁３から屈曲させた抱持壁７の抱板８，９の間に側壁２の端部を挟み込むだけで、側壁２と端壁３とがロックされるので、簡単な作業で組み立てることができ、このロックにより側壁２及び端壁３が起立状態で安定する。   Thus, in the corrugated tray as described above, when the end wall 3 is erected from the bottom wall 1, the end portion of the side wall 2 is interposed between the holding plates 8 and 9 of the holding wall 7 bent from the end wall 3. Since the side wall 2 and the end wall 3 are locked only by sandwiching them, the side wall 2 and the end wall 3 can be stabilized in a standing state by the lock.

また、コーナー部を挟む端壁３及び抱持壁７が二重構造となっており、折目線１３ａ，１３ｂの傾斜により、端壁３が中間部で厚くなるので、高い圧縮強度を得ることができ、段積み時における変形が防止される。   Further, the end wall 3 and the holding wall 7 sandwiching the corner portion have a double structure, and the end wall 3 becomes thicker in the middle due to the inclination of the crease lines 13a and 13b, so that a high compressive strength can be obtained. And deformation during stacking is prevented.

また、側壁を全長に亘って二重構造とした一般的な段ボール製トレーに比べて、材料の使用面積を削減することができる。   Moreover, the use area of material can be reduced compared with the general corrugated board tray which made the side wall the double structure over the full length.

なお、上記実施形態では、係止爪１１と係止段部２ａとの係合で側壁２と端壁３とをロックする構造を、トレーの全てのコーナー部に適用したものを例示したが、一部のコーナー部にのみこのロック構造を適用してもよい。   In the above embodiment, the structure in which the side wall 2 and the end wall 3 are locked by the engagement of the locking claw 11 and the locking step 2a is applied to all the corners of the tray. You may apply this lock structure only to a part of corner part.

また、対向する端壁のうち、一方の端壁のコーナー部にのみこのロック構造を適用し、他方の端壁の上端に、ヒンジとなる罫線を介し蓋を開閉自在に連設してもよい。   Moreover, this lock structure may be applied only to the corner portion of one end wall among the opposing end walls, and the lid may be connected to the upper end of the other end wall so as to be freely opened and closed via a ruled line serving as a hinge. .

また、平面形状が四角形のトレーについて例示したが、コーナー部に面取り部分を有する形状のトレーにおいても、同様のロック構造を適用することができる。   Moreover, although the planar shape is exemplified for a tray having a quadrangular shape, the same lock structure can be applied to a tray having a chamfered portion at a corner portion.

１ 底壁
２ 側壁
２ａ 係止段部
２ｂ 切欠縁
３ 端壁
４，５ 端板
６ 端頂板
７ 抱持壁
８，９ 抱板
１０ 抱頂板
１１ 係止爪
１１ａ 切目
１１ｂ，１１ｃ 折目線
１２ａ，１２ｂ 折目線
１２ｃ 逃穴
１３ａ，１３ｂ 折目線
１４ 取手穴
１５ 係合突起
１６ 係合穴 DESCRIPTION OF SYMBOLS 1 Bottom wall 2 Side wall 2a Locking step part 2b Notch edge 3 End wall 4, 5 End plate 6 End top plate 7 Holding wall 8, 9 Holding plate 10 Top plate 11 Locking claw 11a Incision 11b, 11c Fold line 12a, 12b Crease line 12c Relief holes 13a, 13b Crease line 14 Handle hole 15 Engagement protrusion 16 Engagement hole

Claims (1)

底壁(1)の周囲にコーナー部を挟んで側壁(2)及び端壁(3)を連設し、端壁(3)を二重の端板(4,5)及び端頂板(6)により形成し、端壁(3)の側端に抱持壁(7)を連設して、抱持壁(7)を端板(4,5)及び端頂板(6)からそれぞれ延びる二重の抱板(8,9)及び抱頂板(10)により形成し、抱持壁(7)の抱板(8,9)の間に側壁(2)の端部を挟み込む厚紙製トレーにおいて、前記抱持壁(7)に、二重の抱板(8,9)及び抱頂板(10)に跨る切目(11a)を入れて係止爪(11)を形成し、係止爪(11)に抱頂板(10)の幅方向の中間に位置する折目線(11b)を入れて、係止爪(11)を山形に折り曲げ、側壁(2)に上端を切り欠いて係止段部(2a)を形成し、端壁(3)の起立に伴い、係止爪(11)の切目(11a)側の端縁に係止段部(2a)が係合して、側壁(2)及び端壁(3)の起立状態が維持されるようにしたことを特徴とする厚紙製トレー。   Side wall (2) and end wall (3) are connected around corner wall around bottom wall (1), end wall (3) is double end plate (4, 5) and end top plate (6) The holding wall (7) is connected to the side end of the end wall (3), and the holding wall (7) extends from the end plate (4, 5) and the end top plate (6), respectively. In the cardboard tray formed by the holding plate (8, 9) and the crest plate (10), the end of the side wall (2) is sandwiched between the holding plates (8, 9) of the holding wall (7), Insert a notch (11a) across the double holding plate (8, 9) and the crest plate (10) into the holding wall (7) to form a locking claw (11). Put the crease line (11b) located in the middle of the crest plate (10) in the width direction, bend the locking claw (11) into a chevron, cut out the upper end of the side wall (2), and lock the locking step (2a) As the end wall (3) rises, the locking step (2a) engages with the edge on the cut (11a) side of the locking claw (11), and the side wall (2) and the end wall A cardboard tray characterized in that the standing state of (3) is maintained.
JP2009267647A 2009-11-25 2009-11-25 Cardboard tray Active JP5408544B2 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015009891A (en) * 2013-07-02 2015-01-19 レンゴー株式会社 Cardboard tray
JP2015016874A (en) * 2013-07-09 2015-01-29 レンゴー株式会社 Cardboard-made tray
JP2016052901A (en) * 2014-09-03 2016-04-14 大日本印刷株式会社 Slide type carton
JP2019199287A (en) * 2018-05-17 2019-11-21 レンゴー株式会社 Tray and blank of tray
JP2021020696A (en) * 2019-07-26 2021-02-18 王子ホールディングス株式会社 Storage box and blank sheet

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JP2002255149A (en) * 2001-03-01 2002-09-11 Rengo Co Ltd Corrugated fiberboard tray
JP2007131342A (en) * 2005-11-14 2007-05-31 Rengo Co Ltd Tray for pack storage
JP2008254746A (en) * 2007-04-02 2008-10-23 Oji Chiyoda Container Kk Suspended packaging box of tray form

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JPS4965644U (en) * 1972-09-18 1974-06-08
US3944129A (en) * 1974-11-18 1976-03-16 Mack-Chicago Corporation Corrugated shipping tray with air space surroundings
JPS61127434A (en) * 1984-11-20 1986-06-14 松下電器産業株式会社 Packaging vessel
JPH01164128U (en) * 1988-05-02 1989-11-16
JP2002255149A (en) * 2001-03-01 2002-09-11 Rengo Co Ltd Corrugated fiberboard tray
JP2007131342A (en) * 2005-11-14 2007-05-31 Rengo Co Ltd Tray for pack storage
JP2008254746A (en) * 2007-04-02 2008-10-23 Oji Chiyoda Container Kk Suspended packaging box of tray form

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015009891A (en) * 2013-07-02 2015-01-19 レンゴー株式会社 Cardboard tray
JP2015016874A (en) * 2013-07-09 2015-01-29 レンゴー株式会社 Cardboard-made tray
JP2016052901A (en) * 2014-09-03 2016-04-14 大日本印刷株式会社 Slide type carton
JP2019199287A (en) * 2018-05-17 2019-11-21 レンゴー株式会社 Tray and blank of tray
JP7176862B2 (en) 2018-05-17 2022-11-22 レンゴー株式会社 trays and tray blanks
JP2021020696A (en) * 2019-07-26 2021-02-18 王子ホールディングス株式会社 Storage box and blank sheet

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