JP2021014282A - box - Google Patents

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Publication number
JP2021014282A
JP2021014282A JP2019129401A JP2019129401A JP2021014282A JP 2021014282 A JP2021014282 A JP 2021014282A JP 2019129401 A JP2019129401 A JP 2019129401A JP 2019129401 A JP2019129401 A JP 2019129401A JP 2021014282 A JP2021014282 A JP 2021014282A
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side wall
folding
box
sides
wall portion
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JP2021014282A5 (en
JP7301647B2 (en
Inventor
知也 畠山
Tomoya Hatakeyama
知也 畠山
真也 大根田
Shinya Oneda
真也 大根田
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Nippon Paper Industries Co Ltd
Jujo Paper Co Ltd
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Nippon Paper Industries Co Ltd
Jujo Paper Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/80Packaging reuse or recycling, e.g. of multilayer packaging

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Abstract

To provide a box easily assembled from a sheet, and easy in handling.SOLUTION: A box is provided with: folding parts 10 folded into two parts inward between adjacent first side wall parts 4 and second side wall parts 6 provided at four sides of a bottom part 2 and forming triangle shapes and folded in the inner and outer sides of the second side wall parts 6; protrusion pieces 11a, 11b on two open sides of the folding parts 10; and locking pieces 15 continued to the open sides of the second side wall parts 6 via sixth folding lines 14. Engagement ports 16a, 16b engaging the protrusion pieces 11a, 11b provided to the folding parts 10 are formed between the locking pieces 15 and the second side wall parts 6. By valley-folding the locking pieces 15 from the sixth folding lines 14, the protrusion pieces 11a, 11b provided to the opening sides of the folding parts 10 folded in the inner face side of the second side wall parts 6, are engaged with the engagement ports 16a, 16b.SELECTED DRAWING: Figure 3

Description

本発明は、一枚のシートから組み立てられる箱であって、特に粉体や液状物の収容に適した箱に関する。 The present invention relates to a box assembled from a single sheet, particularly suitable for storing powders and liquids.

一枚のシートから組み立てられる箱として、図14に示すように、箱本体の四辺形の底壁50の四周側辺にそれぞれ側壁51、51、52、52が連接され、隣接する側壁51、52の側辺間に跨がって外方に2つ折りされる連結片53が連接され、箱本体の各側壁51、51、52、52の上縁および連結片53の外側片部上縁に外方に折り返される折り返し片54、55が連接されていると共に、この外側片部の折り返し片56が一対の対向側壁の折り返し片54の両端に連接され、他の一対の対向側壁の折り返し片55の先端に連結片と側壁との間に折り込まれる折り込み片57が連接され、この折り込み片57が折り返し片56、連結片53と側壁52との間に折り込まれた状態のもとで、一対の対向側壁上部に手掛け部が形成されるものとする段ボール箱が知られている(例えば特許文献1参照。)。 As a box assembled from a single sheet, as shown in FIG. 14, side walls 51, 51, 52, and 52 are connected to the four peripheral sides of the quadrilateral bottom wall 50 of the box body, respectively, and adjacent side walls 51, 52. A connecting piece 53 that straddles between the side sides of the box and is folded in half outward is connected to the upper edge of each side wall 51, 51, 52, 52 of the box body and the outer edge of the outer piece 53 of the connecting piece 53. The folded pieces 54 and 55 that are folded back are connected to each other, and the folded pieces 56 of the outer piece are connected to both ends of the folded piece 54 of the pair of opposite side walls, so that the folded pieces 55 of the other pair of opposite side walls are connected. A folding piece 57 to be folded between the connecting piece and the side wall is connected to the tip, and the folding piece 57 is folded between the folding piece 56 and the connecting piece 53 and the side wall 52, and a pair of opposed pieces are opposed to each other. A corrugated cardboard box is known in which a handle portion is formed on an upper portion of a side wall (see, for example, Patent Document 1).

特開平10−273131号公報Japanese Unexamined Patent Publication No. 10-273131

特許文献1に記載されている段ボール箱は、底壁50の四周側辺から側壁51、51、52、52を立ち上げ、隣接する側壁51、52の側辺間に跨がって連接されている連結片53を外方に2つ折りし、各側壁51、51、の上縁に連接されている折り返し片54と、連結片53の外側片部上縁に連接されている折り返し片56を外方に折り返し、外方に2つ折りされた連結片53、53と、連結片53の外側片部上縁に連接され外方に折り返される折り返し片56を側壁52,52の外面に重ね、その上から側壁52、52の上縁に連接されている折り返し片55を外方に折り返して重ね、折り返し片55の先端に連接されている折り込み片57を折り返し片56、連結片53と側壁52との間に折り込むようにして組み立てられるので、組み立てが非常に面倒であるといった問題があった。 In the corrugated cardboard box described in Patent Document 1, side walls 51, 51, 52, 52 are raised from the four peripheral sides of the bottom wall 50, and the side walls 51, 52 are connected to each other across the side sides of the adjacent side walls 51, 52. The connecting piece 53 is folded in half outward, and the folded piece 54 connected to the upper edge of each side wall 51, 51 and the folded piece 56 connected to the upper edge of the outer piece of the connecting piece 53 are removed. The connecting pieces 53 and 53 that are folded inward and folded in half outward and the folded piece 56 that is connected to the upper edge of the outer piece of the connecting piece 53 and folded outward are overlapped on the outer surfaces of the side walls 52 and 52, and above the connecting pieces 53 and 53. The folded pieces 55 connected to the upper edges of the side walls 52 and 52 are folded outward and overlapped, and the folded pieces 57 connected to the tips of the folded pieces 55 are combined with the folded pieces 56, the connecting piece 53 and the side wall 52. Since it is assembled by folding it in between, there is a problem that it is very troublesome to assemble.

また、隣接する側壁51,52の側辺間に跨がって連接され外方に2つ折りされた連結片53、53と、連結片53の外側片部上縁に連接され外方に折り返される折り返し片56が側壁52,52の外面に重ねられ、その上から更に側壁52、52の上縁に連接され外方に折り返される折り返し片55が重ねられるので、箱本体の側壁52,52の外面に出っ張り部ができ、取扱中に、この出っ張り部が障害になる場合があるといった問題があった。 Further, the connecting pieces 53 and 53 which are connected across the side sides of the adjacent side walls 51 and 52 and folded in half outward and the connecting pieces 53 and 53 which are connected to the upper edge of the outer piece of the connecting piece 53 and are folded outward. Since the folded piece 56 is overlapped on the outer surface of the side walls 52, 52, and the folded piece 55 connected to the upper edge of the side walls 52, 52 and folded outward is overlapped, the outer surface of the side walls 52, 52 of the box body is further overlapped. There was a problem that a protruding part was formed in the box, and this protruding part may become an obstacle during handling.

本発明の目的は、一枚のシートから組み立てられる箱であって、組み立てが容易であり、また、取扱に便利な箱を提供することにある。 An object of the present invention is to provide a box that can be assembled from a single sheet, that is easy to assemble, and that is convenient to handle.

上記の目的を達成するために、請求項1に記載の発明は、一枚のシートから組み立てられる箱であって、矩形状の底部の相対向する二辺にそれぞれ第1折線を介して連接する第1側壁部が設けられ、前記底部の他の相対向する二辺にそれぞれ第2折線を介して連接する第2側壁部が設けられ、隣り合う前記第1側壁部と前記第2側壁部の間に、両側端縁にそれぞれ第3折線、第4折線を介して連接し、前記両側端縁を2辺とする正方形に形成され、第3折線、第4折線の間の対角線を第5折線として内方に二つ折りされ三角形となって前記第2側壁部の内面側に折り込まれる折込部が設けられ、前記折込部の2つの開放辺には突片部が設けられ、また、前記第2側壁部の開放辺に第6折線を介して連接する係止片部が設けられ、前記係止片部と前記第2側壁部の間に前記折込部に設けられた突片部が嵌合する嵌合口が形成されており、前記係止片部を第6折線から谷折りすることにより、前記嵌合口に前記第2側壁部の内面側に折り込まれた折込部の開放辺に設けられた突片部が嵌合するようにしたことを特徴とする。 In order to achieve the above object, the invention according to claim 1 is a box assembled from a single sheet, which is connected to two opposing sides of a rectangular bottom via a first polygonal line. A first side wall portion is provided, and a second side wall portion is provided on each of the other two opposing sides of the bottom portion via a second folding line, and the adjacent first side wall portion and the second side wall portion are provided. In between, they are connected to both side edges via the 3rd and 4th fold lines, respectively, and are formed into a square with both side edges as 2 sides, and the diagonal line between the 3rd and 4th fold lines is the 5th fold line. A folding portion is provided which is folded inward in half to form a triangle and is folded into the inner surface side of the second side wall portion, and a projecting piece portion is provided on the two open sides of the folding portion. A locking piece portion connected via a sixth folding line is provided on the open side of the side wall portion, and a protruding piece portion provided in the folding portion fits between the locking piece portion and the second side wall portion. A fitting port is formed, and by folding the locking piece portion from the sixth folding line in a valley, a protrusion provided on the open side of the folding portion folded into the fitting port on the inner surface side of the second side wall portion. It is characterized in that one part is fitted.

請求項1に記載の発明によれば、隣り合う前記第1側壁部と前記第2側壁部の間に設けられている前記折込部を、前記第3折線、前記第4折線を谷折りし前記第5折線を山折りして内方に二つ折りしながら、前記底部から前記第1側壁部と前記第2側壁部を前記第1折線、前記第2折線から谷折りして立ち上げ、二つ折りした前記折込部を前記第2側壁部の内面側に折り込み前記第2側壁部の内面に重ね、この状態から、前記第2側壁部の開放辺に設けられている前記係止片部を前記第6折線から谷折りして、前記係止片部と前記第2側壁部の間に形成されてる前記嵌合口に前記第2側壁部の内面側に折り込まれた前記折込部の開放辺に設けられた前記突片部を嵌合するといった簡単な作業で一枚のシートから箱を組み立てることができる。
また、組み立てられた箱の前記第1側壁部と前記第2側壁部の外面には障害となるような出っ張り部を生じさせるようなことは無いので、取扱に便利な箱を得ることができる。
According to the invention of claim 1, the folding portion provided between the adjacent first side wall portion and the second side wall portion is valley-folded at the third folding line and the fourth folding line. While folding the fifth fold line in a mountain fold and folding it inward in half, fold the first side wall and the second side wall from the bottom to the first fold line and the second fold line in a valley fold. The folded portion is folded into the inner surface side of the second side wall portion and overlapped with the inner surface of the second side wall portion, and from this state, the locking piece portion provided on the open side of the second side wall portion is placed on the second side wall portion. It is provided on the open side of the folding portion which is folded from the 6-fold line to the inner surface side of the second side wall portion at the fitting port formed between the locking piece portion and the second side wall portion. The box can be assembled from a single sheet by a simple operation such as fitting the projecting pieces.
Further, since the outer surfaces of the first side wall portion and the second side wall portion of the assembled box do not generate an obstructive protruding portion, a box convenient for handling can be obtained.

請求項2に記載の発明は、請求項1に記載の、前記折込部の2つの開放辺に設けられた前記突片部にあっては、前記折込部の2つの開放辺の中央部位が、シート厚を超える深さに切り取られて凹部が形成され、凹部の両側の突部を前記突片部としており、前記折込部の2つの開放辺に形成された前記凹部と前記突部は、前記折込部を第5折線から二つ折りしたとき重なるように形成されており、また、前記第2側壁部の開放辺に設けられている前記係止片部は、前記重なり合う2つの突部からなる一方の前記突片部が嵌合する穴状の前記嵌合口が形成され、その両側に他方の前記突片部が嵌合する溝状の前記嵌合口が両側に形成され、穴状の前記嵌合口と溝状の前記嵌合口との間が前記第2側壁部に連接している連接部となり、前記連接部は前記折込部の2つの開放辺に形成された前記凹部に嵌合可能な幅にとなっており、さらに前記第2側壁部には、前記凹部の深さを超えない範囲で前記連接部の一部を形成する切り込みが設けられ、前記切り込みの先端を結ぶ線が前記第6折線となっていることを特徴とする。 In the invention according to claim 2, in the projecting piece portion provided on the two open sides of the folding portion according to claim 1, the central portion of the two open sides of the folding portion is formed. A recess is formed by cutting to a depth exceeding the sheet thickness, and the protrusions on both sides of the recess are used as the protrusions, and the recess and the protrusions formed on the two open sides of the folding portion are described above. The folding portion is formed so as to overlap when folded in half from the fifth folding line, and the locking piece portion provided on the open side of the second side wall portion is composed of the two overlapping protrusions. The hole-shaped fitting port into which the projecting piece portion is fitted is formed, and the groove-shaped fitting port into which the other projecting piece portion is fitted is formed on both sides thereof, and the hole-shaped fitting port is formed. The groove-shaped fitting port serves as a connecting portion that is connected to the second side wall portion, and the connecting portion has a width that allows it to fit into the recess formed on the two open sides of the folding portion. Further, the second side wall portion is provided with a notch forming a part of the connecting portion within a range not exceeding the depth of the recess, and the line connecting the tip of the notch is the sixth folding line. It is characterized by being.

請求項2に記載の発明によれば、前記折込部の開放辺に形成された前記凹部の深さがシート厚を超える深さとなっているので、前記係止片部の前記連接部を前記第6折線から谷折りし、前記折込部の前記凹部に嵌合したとき、前記係止片部の前記連接部の谷折りによって前記係止片部に形成されている前記嵌合口に嵌合した前記折込部の前記突片部の先端が前記係止片部の上面から突出した状態となるので、前記突片部と前記係止片部との間に確実な係止状態が得られ、前記第2側壁部と、前記第2側壁部の内面側に折り込まれた前記折込部を確実に固定することができ、堅牢な箱を得ることができる。 According to the second aspect of the invention, since the depth of the recess formed on the open side of the folding portion exceeds the sheet thickness, the connecting portion of the locking piece portion is referred to as the first. When a valley fold is made from the 6-fold line and fitted into the recess of the folding portion, the fitting is fitted into the fitting port formed in the locking piece portion by the valley fold of the connecting portion of the locking piece portion. Since the tip of the protruding piece portion of the folding portion protrudes from the upper surface of the locking piece portion, a reliable locking state can be obtained between the protruding piece portion and the locking piece portion, and the first The two side wall portions and the folded portion folded on the inner surface side of the second side wall portion can be reliably fixed, and a robust box can be obtained.

請求項3に記載の発明は、請求項2に記載の、前記底部と、前記底部の二辺に設けられた前記第1側壁部と、前記底部の他の相対向する二辺に設けられた第2側壁部と、隣り合う前記第1側壁部と前記第2側壁部の間に設けられた折込部と、前記折込部の2つの開放辺に設けられた突片部と、前記第1側壁部の開放辺に設けられた前記係止片部により組み立てられる箱の開口部に着脱可能に取り付けられ開口部を開閉する内蓋を備えており、前記内蓋は、箱の開口部の内側に納まる矩形状の板状体からなり、前記内蓋の前記第2側壁部側の辺には、前記係止片部に形成された穴状の前記嵌合口と溝状の前記嵌合口に嵌合し、前記係止片部から突出している前記折込部の開放辺に設けられた前記突片部の間に嵌合する嵌合片が形成されていることを特徴とする。 The invention according to claim 3 is provided on the bottom portion, the first side wall portion provided on two sides of the bottom portion, and the other two opposing sides of the bottom portion according to claim 2. The second side wall portion, the folding portion provided between the adjacent first side wall portion and the second side wall portion, the projecting piece portion provided on the two open sides of the folding portion, and the first side wall portion. It is provided with an inner lid that is detachably attached to the opening of the box assembled by the locking piece provided on the open side of the portion to open and close the opening, and the inner lid is inside the opening of the box. It is made of a rectangular plate-like body that fits, and is fitted to the hole-shaped fitting port and the groove-shaped fitting port formed in the locking piece on the side of the inner lid on the side of the second side wall. It is characterized in that a fitting piece to be fitted is formed between the projecting pieces provided on the open side of the folding portion protruding from the locking piece.

請求項3に記載の発明によれば、組み立てられた箱の開口部に嵌め込み、箱の開口部を簡易に閉じることができる。 According to the third aspect of the present invention, the opening of the assembled box can be fitted into the opening and the opening of the box can be easily closed.

請求項4に記載の発明は、請求項1または2に記載の、前記底部の相対向する二辺にそれぞれ設けられた前記第1側壁部の内の、一方又は双方の第1側壁部の開放辺に、第7折線を介して連接する内蓋部が設けられていることを特徴とする。 The invention according to claim 4 is the opening of one or both of the first side wall portions of the first side wall portions provided on the two opposing sides of the bottom portion according to claim 1 or 2. It is characterized in that an inner lid portion connected via a seventh folding line is provided on the side.

請求項4に記載の発明によれば、前記底部の相対向する二辺にそれぞれ設けられた一対の前記第1側壁部の内の、一方又は双方の第1側壁部の開放辺に設けられている内蓋部を第7折線から谷折りすることにより、組み立てられた箱の開口部を簡易に閉じることができる。
また、内蓋部は箱と一体となって設けられているので、別途内蓋を用意する必要が無い。
According to the invention of claim 4, it is provided on the open side of one or both of the first side wall portions of the pair of the first side wall portions provided on the two opposing sides of the bottom portion. The opening of the assembled box can be easily closed by folding the inner lid portion from the 7th folding line in a valley fold.
Further, since the inner lid portion is provided integrally with the box, it is not necessary to separately prepare the inner lid.

請求項5に記載の発明は、請求項1または2に記載の、前記底部の相対向する二辺にそれぞれ設けられた前記第1側壁部の内の、一方又は双方の第1側壁部の開放辺に、第7折線を介して連接する外蓋部が設けられていることを特徴とする。 The invention according to claim 5 is the opening of one or both of the first side wall portions of the first side wall portions provided on the two opposing sides of the bottom portion according to claim 1 or 2. The side is provided with an outer lid portion connected via a seventh folding line.

請求項5に記載の発明によれば、前記底部の相対向する二辺にそれぞれ設けられた一対の前記第1側壁部の内の、一方又は双方の第1側壁部の開放辺に設けられている外蓋部を第7折線から谷折りすることにより、組み立てられた箱の開口部を簡易に閉じることができる。
また、外蓋部は箱と一体となって設けられているので、別途外蓋を用意する必要がない。
According to the invention of claim 5, it is provided on the open side of one or both of the first side wall portions of the pair of the first side wall portions provided on the two opposite sides of the bottom portion. The opening of the assembled box can be easily closed by folding the outer lid portion from the 7th folding line in a valley fold.
Further, since the outer lid portion is provided integrally with the box, it is not necessary to separately prepare the outer lid.

請求項6に記載の発明は、請求項1〜5のいずれか1項に記載の、前記シートは、少なくとも内面となる一面に耐液体性加工が施されていることを特徴とする。 The invention according to claim 6 is characterized in that, at least one surface of the sheet according to any one of claims 1 to 5 is subjected to liquid resistance processing.

請求項6に記載の発明によれば、前記シートは、少なくとも内面となる一面に耐液体性加工が施されているので、内容物が液状物であっても内容物が漏れたり、また箱が脆弱化してしまうといったおそれがない。 According to the invention of claim 6, since at least one surface of the sheet is subjected to liquid resistance processing, even if the content is a liquid, the content may leak or the box may be broken. There is no risk of becoming vulnerable.

請求項7に記載の発明は、請求項1〜6のいずれか1項に記載の、前記シートは、紙製であることを特徴とする。 The invention according to claim 7 is characterized in that the sheet according to any one of claims 1 to 6 is made of paper.

請求項7に記載の発明によれば、前記シートは紙製であるので、使用後の廃棄が容易で有り、また資源としての再利用が可能となる。 According to the invention of claim 7, since the sheet is made of paper, it can be easily disposed of after use and can be reused as a resource.

請求項8に記載の発明は、請求項1〜7のいずれか1項に記載の、前記シートは、段ボールシートであることを特徴とする。 The invention according to claim 8 is characterized in that the sheet according to any one of claims 1 to 7 is a corrugated cardboard sheet.

請求項8に記載の発明によれば、前記シートは、段ボールシートであるので、軽量で且つ堅牢な箱を得ることができ、また、取扱や製造が容易である。 According to the invention of claim 8, since the sheet is a corrugated cardboard sheet, a lightweight and robust box can be obtained, and handling and manufacturing are easy.

以上のように、本発明に係る箱によれば、組み立てが容易であり、また、取扱に便利な箱を得ることができる。 As described above, according to the box according to the present invention, it is possible to obtain a box that is easy to assemble and convenient to handle.

本発明に係る箱の実施の形態の第1例を示す斜視図である。It is a perspective view which shows the 1st example of the embodiment of the box which concerns on this invention. 図1に示す箱の展開図である。It is a development view of the box shown in FIG. 図1に示す箱を組み立てる過程を示す説明図である。It is explanatory drawing which shows the process of assembling the box shown in FIG. 図1に示す箱の開口部に取り付ける内蓋の一例を示す平面図である。It is a top view which shows an example of the inner lid attached to the opening of the box shown in FIG. 図1に示す箱の開口部に内蓋を取り付けた状態を示す平面図である。It is a top view which shows the state which attached the inner lid to the opening of the box shown in FIG. 本発明に係る箱の実施の形態の第2例を示す斜視図である。It is a perspective view which shows the 2nd example of the embodiment of the box which concerns on this invention. 図6に示す箱の展開図である。It is a development view of the box shown in FIG. 本発明に係る箱の実施の形態の第3例を示す斜視図である。It is a perspective view which shows the 3rd example of the embodiment of the box which concerns on this invention. 図8に示す箱の展開図である。It is a development view of the box shown in FIG. 本発明に係る箱の実施の形態の第4例を示す斜視図である。It is a perspective view which shows the 4th example of the embodiment of the box which concerns on this invention. 図10に示す箱の展開図である。It is a development view of the box shown in FIG. 外蓋の一例を示す平面図である。It is a top view which shows an example of an outer lid. 図12に示す外蓋を箱に被せた状態を示す説明図である。It is explanatory drawing which shows the state which put the outer lid shown in FIG. 12 on a box. 従来の箱を示す斜視図である。It is a perspective view which shows the conventional box.

以下、本発明に係る箱の形態の一例を、図面を参照して詳細に説明する。
図1〜図5は本発明に係る箱の実施の形態の第1例を示すものであり、図1は第1例の箱の斜視図、図2は図1に示す箱の展開図、図3は図1に示す箱を組み立てる過程を示す説明図、図4は図1に示す箱の開口部に取り付ける内蓋の一例を示す平面図、図5は図1に示す箱の開口部に内蓋を取り付けた状態を示す平面図である。
Hereinafter, an example of the form of the box according to the present invention will be described in detail with reference to the drawings.
1 to 5 show a first example of the embodiment of the box according to the present invention, FIG. 1 is a perspective view of the box of the first example, and FIG. 2 is a developed view and a view of the box shown in FIG. 3 is an explanatory view showing the process of assembling the box shown in FIG. 1, FIG. 4 is a plan view showing an example of an inner lid attached to the opening of the box shown in FIG. 1, and FIG. 5 is inside the opening of the box shown in FIG. It is a top view which shows the state which attached the lid.

第1例の箱1は、一枚のシートから組み立てられる。
使用されるシートとしてはシート状の材料であれば特に限定されないが、例えば、紙製シート、プラスチック製シート等が使用される。紙製シートとしては厚紙シート、白板紙シート、紙段ボールシート等があり、またプラスチック製シートとしては、プラスチック板状シート、プラスチック段ボールシート等がある。
The box 1 of the first example is assembled from one sheet.
The sheet to be used is not particularly limited as long as it is a sheet-like material, but for example, a paper sheet, a plastic sheet, or the like is used. Examples of the paper sheet include a thick paper sheet, a white paperboard sheet, a paper corrugated cardboard sheet, and the like, and examples of the plastic sheet include a plastic plate-like sheet and a plastic corrugated cardboard sheet.

また、シートには、少なくとも箱の内面となる一面に耐液体性加工が施されているものを使用することができる。耐液体性加工にあっては、厚紙シート、白板紙シート、紙段ボールシート等の紙製シートに、耐液体性のフィルムをラミネートし、或いは耐液体性の塗料をコーティングしてもよく、また、紙層に耐液性剤を含有させてもよい。
第1例では、箱1を組み立てるシートとして、箱1の内面となる一面に耐液体性の塗料がコーティングされた紙製の段ボールシートが使用されている。
Further, as the sheet, at least one surface that is the inner surface of the box may be subjected to liquid resistance processing. In the liquid-resistant processing, a liquid-resistant film may be laminated on a paper sheet such as a cardboard sheet, a white paperboard sheet, or a corrugated cardboard sheet, or a liquid-resistant paint may be coated. The paper layer may contain a liquid resistant agent.
In the first example, as a sheet for assembling the box 1, a paper corrugated cardboard sheet in which one surface, which is the inner surface of the box 1, is coated with a liquid-resistant paint is used.

このような段ボールシートで形成される第1例の箱1は、図2の展開図で示すように、矩形状の底部2の相対向する二辺にそれぞれ第1折線3を介して第1側壁部4が設けられ、底部2の他の相対向する二辺にそれぞれ第2折線5を介して第2側壁部6が設けられている。 As shown in the developed view of FIG. 2, the box 1 of the first example formed of such a corrugated cardboard sheet has a first side wall via a first folding line 3 on two opposing sides of a rectangular bottom portion 2. A portion 4 is provided, and a second side wall portion 6 is provided on each of the other two opposing sides of the bottom portion 2 via a second folding line 5.

隣り合う第1側壁部4と第2側壁部6の間には、両側端縁にそれぞれ第3折線7、第4折線8を介して連接し、両側端縁を2辺とする正方形に形成され、第3折線7、第4折線8の間の対角線を第5折線9として内方に二つ折りされ三角形となって第2側壁部6の内面側に折り込まれる折込部10が設けられている。 The adjacent first side wall portion 4 and the second side wall portion 6 are connected to both side edge portions via the third folding line 7 and the fourth folding line 8, respectively, and are formed into a square having both side edge portions as two sides. A folding portion 10 is provided in which the diagonal line between the third folding line 7 and the fourth folding line 8 is set as the fifth folding line 9 and is folded inward in half to form a triangle, which is folded into the inner surface side of the second side wall portion 6.

折込部10の2つの開放辺には突片部11a,11bが設けられている。第1例では、折込部10の2つの開放辺の中央部位が、シート厚を超える深さに切り取られて凹部12が形成され、凹部12の両側の突部13a,13bを突片部11a,11bとしており、折込部10の2つの開放辺に形成された凹部12同士が、そして突部13a,13b同士が折込部10を第5折線9から二つ折りしたとき重なるように形成されている。 Projecting pieces 11a and 11b are provided on the two open sides of the folding portion 10. In the first example, the central portion of the two open sides of the folding portion 10 is cut out to a depth exceeding the sheet thickness to form a recess 12, and the protrusions 13a and 13b on both sides of the recess 12 are formed by the protrusions 11a, It is set to 11b, and the recesses 12 formed on the two open sides of the folding portion 10 and the protrusions 13a and 13b are formed so as to overlap each other when the folding portion 10 is folded in half from the fifth folding line 9.

折込部10の2つの開放辺の中央部位を切り取って形成される凹部12の切り取り深さは、シート厚の2倍から3倍の深さが好ましい。凹部12の切り取り深さがシート厚の2倍から3倍の深さであると、突片部11a,11bを後述する係止片部の嵌合口に嵌合したとき、突片部11a,11bの先端が係止片部の嵌合口から少なくともシート厚以上の幅で突出するので、突片部11a,11bと係止片部との間に確実な係止状態が得られる。また、後述する内蓋を組み立てられた箱1の開口部にしっかりと被せることができる。第1例では、凹部12の切り取り深さはシート厚の3倍の深さとなっている。 The cutting depth of the recess 12 formed by cutting out the central portions of the two open sides of the folding portion 10 is preferably 2 to 3 times the sheet thickness. When the cutting depth of the recess 12 is 2 to 3 times the sheet thickness, when the projecting pieces 11a and 11b are fitted into the fitting ports of the locking pieces described later, the projecting pieces 11a and 11b Since the tip of the rod protrudes from the fitting port of the locking piece with a width of at least the sheet thickness or more, a reliable locking state can be obtained between the protruding pieces 11a and 11b and the locking piece. In addition, the inner lid, which will be described later, can be firmly put on the opening of the assembled box 1. In the first example, the cutting depth of the recess 12 is three times the sheet thickness.

また、第2側壁部6の開放辺に第6折線14を介して連接する係止片部15が設けられ、係止片部15と第2側壁部6の間に折込部10に設けられた突片部11a,11bが嵌合する嵌合口16a,16bが形成されており、係止片部15を第6折線14から谷折りすることにより、嵌合口16a,16bに第2側壁部2の内面側に折り込まれた折込部10に設けられた突片部11a,11bが嵌合するようになっている。 Further, a locking piece portion 15 connected via a sixth folding line 14 is provided on the open side of the second side wall portion 6, and is provided in the folding portion 10 between the locking piece portion 15 and the second side wall portion 6. Fitting ports 16a and 16b into which the projecting pieces 11a and 11b are fitted are formed, and by folding the locking piece portion 15 from the sixth folding line 14 in a valley fold, the fitting ports 16a and 16b are fitted with the second side wall portion 2. The projecting pieces 11a and 11b provided in the folding portion 10 folded on the inner surface side are fitted.

第2側壁部6の開放辺に設けられている係止片部15にあっては、第1例では、係止片部15の中央に第2側壁部6の開放辺に沿って、重なり合う2つの突部13a,13aからなる一方の突片部11aが嵌合する穴状の嵌合口16aが中央に形成され、係止片部15の両側に第2側壁部6の開放辺に沿って、重なり合う2つの突部13b,13bからなる他方の突片部11bが嵌合する溝状の嵌合口16bが形成されている。 Regarding the locking piece portion 15 provided on the open side of the second side wall portion 6, in the first example, the locking piece portion 15 overlaps with the center of the locking piece portion 15 along the open side of the second side wall portion 6. A hole-shaped fitting port 16a into which one protruding piece portion 11a composed of the two protruding portions 13a and 13a is fitted is formed in the center, and along the open side of the second side wall portion 6 on both sides of the locking piece portion 15. A groove-shaped fitting port 16b is formed in which the other protruding piece portion 11b composed of two overlapping protruding portions 13b and 13b is fitted.

そして、穴状の嵌合口16aと溝状の嵌合口16bとの間が第2側壁部6に連接している連接部17となり、連接部17は折込部10の2つの開放辺に形成された凹部12に嵌合可能な幅となっており、さらに第2側壁部6には、凹部12の深さを超えない範囲で連接部17の一部を形成する切り込み18が設けられ、切り込み18の先端を結ぶ線が第6折線14となっている。 Then, the hole-shaped fitting port 16a and the groove-shaped fitting port 16b form a connecting portion 17 that is connected to the second side wall portion 6, and the connecting portion 17 is formed on the two open sides of the folding portion 10. The width is such that it can be fitted into the recess 12, and the second side wall portion 6 is provided with a notch 18 forming a part of the connecting portion 17 within a range not exceeding the depth of the recess 12, and the notch 18 is provided. The line connecting the tips is the sixth polygonal line 14.

このような展開構造を有する第1例の箱1は、次のようにして組み立てられる。
先ず、底部2の相対向する二辺に設けられている第1側壁部4を第1折線3から谷折りして立ち上げるとともに、底部2の他の相対向する二辺に設けられている第2側壁部6を第2折線5から谷折りして立ち上げ、この第1側壁部4と第2側壁部6の立ち上げと同期して、隣り合う第1側壁部4と第2側壁部6の間に設けられている正方形の折込部10を、対角線となる第5折線9を山折りし、第3折線7、第4折線8を谷折りして内方に二つ折りして三角形とし、第2側壁部6の内面側に折り込む。
折込部10を内方に二つ折りして三角形としたとき、折込部10の2つの開放辺に形成された凹部12同士と、突部13a,13b同士が重なり、重なった突部13a,13bが折込部10の開放辺に設けられる突片部11a,11bとなる(図3参照。)。
The box 1 of the first example having such an unfolding structure is assembled as follows.
First, the first side wall portion 4 provided on the two opposite sides of the bottom portion 2 is folded from the first folding line 3 in a valley and raised, and the first side wall portion 4 provided on the other two opposite sides of the bottom portion 2 is provided. 2 The side wall 6 is folded from the second folding line 5 in a valley and raised, and in synchronization with the rising of the first side wall 4 and the second side wall 6, the adjacent first side wall 4 and the second side wall 6 are raised. Fold the diagonal fifth fold line 9 in a mountain fold, fold the third fold line 7 and the fourth fold line 8 in a valley fold, and fold the square folds 10 provided between the two inward to form a triangle. Fold it toward the inner surface side of the second side wall portion 6.
When the folding portion 10 is folded inward in half to form a triangle, the recesses 12 formed on the two open sides of the folding portion 10 and the protrusions 13a and 13b overlap each other, and the overlapping protrusions 13a and 13b are formed. The projecting pieces 11a and 11b are provided on the open side of the folding portion 10 (see FIG. 3).

次に、第2側壁部6の開放辺に設けられている係止片部15を第6折線14から谷折りして内方に倒し、係止片部15と第2側壁部6の間に形成されている嵌合口16a,16bに折込部10に設けられた突片部11a,11bを嵌合させる。 Next, the locking piece portion 15 provided on the open side of the second side wall portion 6 is folded in a valley from the sixth folding line 14 and tilted inward, and between the locking piece portion 15 and the second side wall portion 6. The projecting pieces 11a and 11b provided in the folding portion 10 are fitted into the formed fitting openings 16a and 16b.

第1例では、係止片部15にあっては、係止片部15の中央に第2側壁部6の開放辺に沿って、重なり合う2つの突部13a,13aからなる一方の突片部11aが嵌合する穴状の嵌合口16aが係止片部15と第2側壁部6の間における中央に形成され、係止片部15の両側に第2側壁部6の開放辺に沿って、重なり合う2つの突部13b,13bからなる他方の突片部11bが嵌合する溝状の嵌合口16bが形成されており、穴状の嵌合口16aと溝状の嵌合口16bとの間が第2側壁部6に連接している連接部17となり、連接部17は折込部10の2つの開放辺に形成された凹部12に嵌合可能な幅にとなっており、さらに第2側壁部6には、凹部12の深さを超えない範囲で連接部17の一部を形成する切り込み18が設けられ、切り込み18の先端を結ぶ線が第6折線14となっており、係止片部15を第6折線14から谷折りして内方に倒し、連接部17を凹部12に嵌合することにより、折込部10に設けられた突片部11a,11bを係止片部15と第2側壁部6の間に形成されている嵌合口16a,16bに嵌合させる。
このようにして箱1の組み立てが完了する(図3参照。)。
In the first example, in the locking piece portion 15, one protruding piece portion composed of two protruding portions 13a and 13a overlapping along the open side of the second side wall portion 6 at the center of the locking piece portion 15. A hole-shaped fitting port 16a into which the 11a is fitted is formed in the center between the locking piece portion 15 and the second side wall portion 6, and is formed on both sides of the locking piece portion 15 along the open side of the second side wall portion 6. A groove-shaped fitting port 16b into which the other protruding piece portion 11b composed of two overlapping protrusions 13b and 13b is fitted is formed, and the space between the hole-shaped fitting port 16a and the groove-shaped fitting port 16b is formed. The connecting portion 17 is connected to the second side wall portion 6, and the connecting portion 17 has a width that can be fitted into the recesses 12 formed on the two open sides of the folding portion 10, and further, the second side wall portion. 6 is provided with a notch 18 forming a part of the connecting portion 17 within a range not exceeding the depth of the recess 12, and the line connecting the tips of the notch 18 is the sixth folding line 14, and the locking piece portion The 15 is folded valley from the 6th folding line 14 and tilted inward, and the connecting portion 17 is fitted into the recess 12, so that the protruding pieces 11a and 11b provided in the folding portion 10 are locked to the locking piece 15 and the first. It is fitted into the fitting ports 16a and 16b formed between the two side wall portions 6.
In this way, the assembly of the box 1 is completed (see FIG. 3).

このように第1例の箱1は、隣り合う第1側壁部4と第2側壁部6の間に設けられている折込部10を内方に二つ折りしながら、底部2から第1側壁部4と第2側壁部6を立ち上げ、二つ折りした折込部を第2側壁部6の内面側に折り込んで第2側壁部6の内面に重ね、この状態から、第2側壁部6の開放辺に設けられている係止片部15を第6折線14から谷折りして、係止片部15と第2側壁部6の間に形成されてる嵌合口16a,16bに第2側壁部6の内面側に折り込まれた折込部10の開放辺に設けられた突片部11a,11bを嵌合させるといった簡単な作業で容易に組み立てることができる。 As described above, in the box 1 of the first example, the folding portion 10 provided between the adjacent first side wall portion 4 and the second side wall portion 6 is folded inward in half, and the bottom portion 2 to the first side wall portion 6 are folded. 4 and the second side wall portion 6 are raised, the folded portion folded in half is folded toward the inner surface side of the second side wall portion 6 and overlapped with the inner surface of the second side wall portion 6, and from this state, the open side of the second side wall portion 6 The locking piece portion 15 provided in the above is folded in a valley from the sixth folding line 14, and the second side wall portion 6 is formed at the fitting ports 16a and 16b formed between the locking piece portion 15 and the second side wall portion 6. It can be easily assembled by a simple operation such as fitting the projecting pieces 11a and 11b provided on the open side of the folded portion 10 folded on the inner surface side.

また、第1例では、折込部10の2つの開放辺に設けられている突片部11a,11bは、折込部10の2つの開放辺の中央部位が、シート厚を超える深さに切り取られて凹部12が形成され、凹部12の両側の突部13a,13bを突片部11a,11bとしており、折込部10の2つの開放辺に形成された凹部12同士が、そして突部13a,13b同士が折込部10を第5折線9から二つ折りしたとき重なるように形成されている。 Further, in the first example, in the projecting pieces 11a and 11b provided on the two open sides of the folding portion 10, the central portion of the two open sides of the folding portion 10 is cut to a depth exceeding the sheet thickness. The recesses 12 are formed, and the protrusions 13a and 13b on both sides of the recess 12 are the protrusions 11a and 11b, and the recesses 12 formed on the two open sides of the folding portion 10 and the protrusions 13a and 13b. They are formed so as to overlap each other when the folded portion 10 is folded in half from the fifth folding line 9.

そして、係止片部15にあっては、係止片部15の中央に第2側壁部6の開放辺に沿って、重なり合う2つの突部13a,13aからなる一方の突片部11aが嵌合する穴状の嵌合口16aが中央に形成され、係止片部15の両側に第2側壁部6の開放辺に沿って、重なり合う2つの突部13b,13bからなる他方の突片部11bが嵌合する溝状の嵌合口16bが形成されており、穴状の嵌合口16aと溝状の嵌合口16bとの間が第2側壁部6に連接している連接部17となり、連接部17は折込部10の2つの開放辺に形成された凹部12に嵌合可能な幅にとなっており、さらに第2側壁部6には、凹部12の深さを超えない範囲で連接部17の一部を形成する切り込み18が設けられ、切り込み18の先端を結ぶ線が第6折線14となっているので、第2側壁部6の開放辺に設けられている係止片部15を第6折線14から谷折りして内方に倒し、連接部17を凹部12に嵌合させることにより、折込部10に設けられた突片部11a,11bが係止片部15と第2側壁部6の間に形成されている嵌合口16a,16bに嵌合し、嵌合口16a,16bに嵌合した突片部11a,11bは、その先端が係止片部15の嵌合口16a,16bから突出した状態となるので、突片部11a,11bと係止片部15との間に確実な係止状態が得られ、第2側壁部6と、第2側壁部6の内面側に折り込まれた折込部10を確実に固定することができ、堅牢な箱1を得ることができる。 Then, in the locking piece portion 15, one protruding piece portion 11a composed of two overlapping protruding portions 13a and 13a is fitted in the center of the locking piece portion 15 along the open side of the second side wall portion 6. A matching hole-shaped fitting port 16a is formed in the center, and the other protruding piece portion 11b is composed of two protruding portions 13b and 13b that overlap each other along the open side of the second side wall portion 6 on both sides of the locking piece portion 15. A groove-shaped fitting port 16b is formed, and the hole-shaped fitting port 16a and the groove-shaped fitting port 16b form a connecting portion 17 that is connected to the second side wall portion 6. 17 has a width that can be fitted into the recesses 12 formed on the two open sides of the folding portion 10, and the second side wall portion 6 has a connecting portion 17 within a range not exceeding the depth of the recess 12. Since the notch 18 forming a part of the notch 18 is provided and the line connecting the tip of the notch 18 is the sixth folding line 14, the locking piece portion 15 provided on the open side of the second side wall portion 6 is used. By folding the 6-fold line 14 in a valley and tilting it inward and fitting the connecting portion 17 into the recess 12, the projecting piece portions 11a and 11b provided in the folding portion 10 are engaged with the locking piece portion 15 and the second side wall portion. The protruding piece portions 11a, 11b that are fitted into the fitting ports 16a, 16b formed between 6 and fitted into the fitting ports 16a, 16b have their tips from the fitting ports 16a, 16b of the locking piece portion 15. Since it is in a protruding state, a reliable locking state can be obtained between the projecting piece portions 11a and 11b and the locking piece portion 15, and the second side wall portion 6 and the second side wall portion 6 are folded into the inner surface side. The folded portion 10 can be securely fixed, and a robust box 1 can be obtained.

特に、第1例では、凹部12の切り取り深さはシート厚の3倍の深さとなっているので、嵌合口16a,16bに嵌合した突片部11a,11bは、その先端が係止片部15の嵌合口から少なくともシート厚以上の幅で突出するので、突片部11a,11bと係止片部15との間に一層確実な係止状態が得られ、一層堅牢な箱1を得ることができる。 In particular, in the first example, since the cutting depth of the recess 12 is three times the sheet thickness, the tips of the protruding pieces 11a and 11b fitted to the fitting ports 16a and 16b are locking pieces. Since it protrudes from the fitting port of the portion 15 with a width of at least the sheet thickness or more, a more reliable locking state can be obtained between the protruding piece portions 11a and 11b and the locking piece portion 15, and a more robust box 1 can be obtained. be able to.

また、組み立てられた箱1の第1側壁部4と第2側壁部6の外面には障害となるような出っ張り部を生じさせるようなことは無いので、取扱に便利な箱を得ることができる。 Further, since the outer surfaces of the first side wall portion 4 and the second side wall portion 6 of the assembled box 1 do not generate an obstructive protruding portion, a box convenient for handling can be obtained. ..

また、第1例の箱1は、着脱可能に取り付けられる内蓋20を備えている。
内蓋20は、箱1の開口部の内側に納まる矩形状の板状体からなり、内蓋20の第2側壁部側の辺には、係止片部15に形成された穴状の嵌合口16aと溝状の嵌合口16bに嵌合し、係止片部15から突している折込部10の開放辺に設けられた突片部11aと突片部11bの間に嵌合する嵌合片21が形成されている(図4参照。)。板状体は箱1と同じシート状の材料が使用される。
Further, the box 1 of the first example includes an inner lid 20 that can be detachably attached.
The inner lid 20 is made of a rectangular plate-like body that fits inside the opening of the box 1, and a hole-shaped fitting formed in the locking piece 15 is formed on the side of the inner lid 20 on the side of the second side wall. Fitting that fits into the abutment 16a and the groove-shaped fitting port 16b, and fits between the projecting piece 11a and the projecting piece 11b provided on the open side of the folding portion 10 protruding from the locking piece 15. The plaque 21 is formed (see FIG. 4). The same sheet-like material as in Box 1 is used for the plate-like body.

このように構成された内蓋20を箱1の開口部へ取り付けて閉じる場合、内蓋20を箱1の開口部へ嵌め込む(図5参照。)。
箱1の開口部へ嵌め込まれた内蓋20は、その内面が箱1の内方に折り曲げられている係止片部15に当接するとともに、内蓋20の第2側壁部側の辺に形成されている嵌合片21が折込部10の開放辺に形成された凹部12に嵌合し、この凹部12に嵌合している係止片部15の連接部17に当接する。このようにして箱1の開口部に内蓋20が取り付けられ、箱1の開口部が閉じられる。
When the inner lid 20 configured in this way is attached to the opening of the box 1 and closed, the inner lid 20 is fitted into the opening of the box 1 (see FIG. 5).
The inner lid 20 fitted into the opening of the box 1 abuts on the locking piece portion 15 whose inner surface is bent inward of the box 1 and is formed on the side of the inner lid 20 on the second side wall portion side. The fitting piece 21 is fitted into the recess 12 formed on the open side of the folding portion 10 and comes into contact with the connecting portion 17 of the locking piece portion 15 fitted in the recess 12. In this way, the inner lid 20 is attached to the opening of the box 1, and the opening of the box 1 is closed.

このように箱1の開口部を閉じる場合、箱1の開口部に内蓋20を嵌合するといった簡単な作業で箱1の開口部に内蓋20を取り付け、箱1の開口部を閉じることができる。
また、箱1の開口部を閉じている内蓋20を取り外す場合は、凹部12に嵌合し、第2側壁部6の外面に現れている内蓋20の嵌合片21の端部に指を掛け、引き上げるといった簡単な作業で箱1の開口部から内蓋20を取り外し、箱1の開口部を開けることができる。
When closing the opening of the box 1 in this way, the inner lid 20 is attached to the opening of the box 1 and the opening of the box 1 is closed by a simple operation such as fitting the inner lid 20 to the opening of the box 1. Can be done.
Further, when removing the inner lid 20 that closes the opening of the box 1, a finger is attached to the end of the fitting piece 21 of the inner lid 20 that is fitted in the recess 12 and appears on the outer surface of the second side wall portion 6. The inner lid 20 can be removed from the opening of the box 1 and the opening of the box 1 can be opened by a simple operation such as hanging and pulling up.

図6、図7は本発明に係る箱の実施の形態の第2例を示すものであり、図6は第2例の箱の斜視図、図7は図6に示す箱の展開図である。
第2例の箱1は、第1例の箱1と基本構成において変わるところはなく、第1例と同一の構成については同一の符号を付して説明する。
6 and 7 show a second example of the embodiment of the box according to the present invention, FIG. 6 is a perspective view of the box of the second example, and FIG. 7 is a developed view of the box shown in FIG. ..
The box 1 of the second example is the same as the box 1 of the first example in the basic configuration, and the same configuration as that of the first example will be described with the same reference numerals.

第2例と第1との違いは、第2例では、折込部10の2つの開放辺に設けられている突片部11a,11bが嵌合する係止片部15と第2側壁部6の間に形成されている嵌合口16a,16bの構成にある。
第2例では、係止片部15と第2側壁部6の間における中央部位に、第2側壁部6の両側から第2側壁部6の内面側に折り込まれる2つの折込部10に設けられている突片部11a,11aをそれぞれ嵌合する2つの穴状の嵌合口16a,16aが形成されている。そして、嵌合口16a,16aの間は第2側壁部6に連接している連接部17となる。
その他の構成は、第1例と同様なので、第1例を援用し、その説明を省略する。
The difference between the second example and the first is that in the second example, the locking piece portion 15 and the second side wall portion 6 into which the projecting piece portions 11a and 11b provided on the two open sides of the folding portion 10 are fitted are fitted. The fitting ports 16a and 16b are formed between the two.
In the second example, the two folding portions 10 are provided at the central portion between the locking piece portion 15 and the second side wall portion 6 and are folded from both sides of the second side wall portion 6 to the inner surface side of the second side wall portion 6. Two hole-shaped fitting ports 16a and 16a are formed to fit the protruding pieces 11a and 11a, respectively. Then, between the fitting ports 16a and 16a, there is a connecting portion 17 that is connected to the second side wall portion 6.
Since the other configurations are the same as those of the first example, the first example is incorporated and the description thereof will be omitted.

このように構成された第2例の箱1は、第1例の箱1と同様に組み立てられる。
組み立てられた第2例の箱1は、嵌合口16a,16aと突片部11a,11aとの間がしっかりした嵌合状態となり、第2側壁部6と、第2側壁部6の内面側に折り込まれた折込部10を確実に固定することができ、一層堅牢な箱1を得ることができる。
その他の作用効果は第1例と同様である。
The box 1 of the second example configured in this way is assembled in the same manner as the box 1 of the first example.
In the assembled box 1 of the second example, the fitting ports 16a and 16a and the projecting pieces 11a and 11a are firmly fitted, and the second side wall portion 6 and the inner surface side of the second side wall portion 6 are in a tightly fitted state. The folded portion 10 can be securely fixed, and a more robust box 1 can be obtained.
Other effects are the same as in the first example.

図8、図9は本発明に係る箱の実施の形態の第3例を示すものであり、図8は第3例の箱の斜視図、図9は図8に示す箱の展開図である。
第3例の箱1は、第1例の箱1と基本構成において変わるところはなく、第1例と同一の構成については同一の符号を付して説明する。
8 and 9 show a third example of the embodiment of the box according to the present invention, FIG. 8 is a perspective view of the box of the third example, and FIG. 9 is a developed view of the box shown in FIG. ..
The box 1 of the third example is the same as the box 1 of the first example in the basic configuration, and the same configuration as that of the first example will be described with the same reference numerals.

第3例と第1例との違いは、第3例の箱1は第1例の構成にない内蓋部22が設けられているところにある。
第3例では、底部2の相対向する二辺にそれぞれ設けられた第1側壁部4の開放辺に、第7折線23を介して連接する内蓋部22が設けられている。内蓋部22は中央で2分割した形状となっている。第7折線23にあっては、第1側壁部4と折込部10が連接している第3折線7に凹部12の深さを超えない範囲で切り込み24が設けられ、切り込み24の先端を結ぶ線が第7折線23となっている。
The difference between the third example and the first example is that the box 1 of the third example is provided with an inner lid portion 22 which is not in the configuration of the first example.
In the third example, the inner lid portion 22 connected via the seventh folding line 23 is provided on the open side of the first side wall portion 4 provided on the two opposite sides of the bottom portion 2. The inner lid portion 22 has a shape divided into two at the center. In the seventh folding line 23, a notch 24 is provided in the third folding line 7 in which the first side wall portion 4 and the folding portion 10 are connected so as not to exceed the depth of the recess 12, and the tip of the notch 24 is connected. The line is the 7th polygonal line 23.

また、内蓋部22における第2側壁部6側の開放辺には、隣接する折込部10の開放辺に形成された凹部12に嵌合可能な嵌合片25が形成されている。
その他の構成は、第1例と同様なので、第1例を援用し、その説明を省略する。
Further, on the open side of the inner lid portion 22 on the side of the second side wall portion 6, a fitting piece 25 that can be fitted into the recess 12 formed on the open side of the adjacent folding portion 10 is formed.
Since the other configurations are the same as those of the first example, the first example is incorporated and the description thereof will be omitted.

このように構成された第3例の箱1は、第1例の箱1と同様に組み立てられる。そして、組み立てられた箱1の開口部を閉じる場合、内蓋部22を第7折線23から谷折りして内方に折り曲げ、嵌合片25を折込部10の開放辺に形成された凹部12に嵌合させる(図8参照。)。 The box 1 of the third example configured in this way is assembled in the same manner as the box 1 of the first example. Then, when closing the opening of the assembled box 1, the inner lid portion 22 is valley-folded from the seventh folding line 23 and bent inward, and the fitting piece 25 is formed in the recess 12 formed on the open side of the folding portion 10. (See FIG. 8).

このようにして、それぞれの第1側壁部4の開放辺設けられている内蓋部22を内方へ折り曲げ、嵌合片25を折込部10の開放辺に形成された凹部12に嵌合させることにより、箱1の開口部が閉じられる。 In this way, the inner lid portion 22 provided on the open side of each of the first side wall portions 4 is bent inward, and the fitting piece 25 is fitted into the recess 12 formed on the open side of the folding portion 10. As a result, the opening of the box 1 is closed.

このように第3例の箱1によれば、箱1の開口部を閉じる場合、それぞれの第1側壁部4の開放辺設けられている内蓋部22を内方へ折り曲げ、嵌合片25を折込部10の開放辺に形成された凹部12に嵌合するといった簡単な作業で箱1の開口部を閉じることができる。また、内蓋部22は箱1と一体となって設けられているので、別途内蓋を用意する必要が無い。 As described above, according to the box 1 of the third example, when the opening of the box 1 is closed, the inner lid portion 22 provided on the open side of each first side wall portion 4 is bent inward to form the fitting piece 25. The opening of the box 1 can be closed by a simple operation such as fitting the fold into the recess 12 formed on the open side of the folding portion 10. Further, since the inner lid portion 22 is provided integrally with the box 1, it is not necessary to separately prepare the inner lid.

なお、第3例では、内蓋部22はそれぞれの第1側壁部4に設けているが、図示しないが、いずれか一方の第1側壁部に設けてもよい。この場合、内蓋部22は図8に示す内蓋部22の2倍の大きさとする。
その他の作用効果は第1例と同様である。
In the third example, the inner lid portion 22 is provided on each of the first side wall portions 4, but although not shown, it may be provided on one of the first side wall portions. In this case, the inner lid portion 22 is twice as large as the inner lid portion 22 shown in FIG.
Other effects are the same as in the first example.

図10、図11は本発明に係る箱の実施の形態の第4例を示すものであり、図10は第4例の箱の斜視図、図11は図10に示す箱の展開図である。
第4例の箱1は、第1例の箱1と基本構成において変わるところはなく、第1例と同一の構成については同一の符号を付して説明する。
10 and 11 show a fourth example of the embodiment of the box according to the present invention, FIG. 10 is a perspective view of the box of the fourth example, and FIG. 11 is a developed view of the box shown in FIG. ..
The box 1 of the fourth example is the same as the box 1 of the first example in the basic configuration, and the same configuration as that of the first example will be described with the same reference numerals.

第4例と第1例との違いは、第4例の箱1は第1例の構成にない外蓋部26が設けられているところにある。
第4例では、底部2の相対向する二辺にそれぞれ設けられた第1側壁部4の開放辺に、第7折線23を介して連接する外蓋部26が設けられている。外蓋部26は中央で2分割した形状となっている。また、外蓋部26の第2側壁部6側の開放辺が、第1側壁部4より僅かに出ている。
その他の構成は、第1例と同様なので、第1例を援用し、その説明を省略する。
The difference between the fourth example and the first example is that the box 1 of the fourth example is provided with an outer lid portion 26 which is not included in the configuration of the first example.
In the fourth example, the outer lid portion 26 connected via the seventh folding line 23 is provided on the open side of the first side wall portion 4 provided on the two opposite sides of the bottom portion 2. The outer lid portion 26 has a shape divided into two at the center. Further, the open side of the outer lid portion 26 on the second side wall portion 6 side is slightly protruding from the first side wall portion 4.
Since the other configurations are the same as those of the first example, the first example is incorporated and the description thereof will be omitted.

このように構成された第4例の箱1は、第1例の箱1と同様に組み立てられる。そして、組み立てられた箱1の開口部を閉じる場合、外蓋部26を第7折線23から谷折りして内方に折り曲げ、第2側壁部6側の開放辺を第2側壁部6の開放側先端に当接させる(図10参照。)。 The box 1 of the fourth example configured in this way is assembled in the same manner as the box 1 of the first example. Then, when closing the opening of the assembled box 1, the outer lid portion 26 is valley-folded from the seventh folding line 23 and bent inward, and the open side on the second side wall portion 6 side is opened to the second side wall portion 6. It is brought into contact with the side tip (see FIG. 10).

このようにして、それぞれの第1側壁部4の開放辺設けられている外蓋部26を内方へ折り曲げ、第2側壁部6側の開放辺を第2側壁部6の開放側先端に当接させることにより、箱1の開口部が閉じられる。 In this way, the outer lid portion 26 provided on the open side of each of the first side wall portions 4 is bent inward, and the open side on the second side wall portion 6 side is in contact with the open side tip of the second side wall portion 6. By contacting them, the opening of the box 1 is closed.

このように第4例の箱1によれば、箱1の開口部を閉じる場合、それぞれの第1側壁部4の開放辺設けられている外蓋部26を内方へ折り曲げ、第2側壁部6側の開放辺を第2側壁部6の開放側先端に当接させるといった簡単な作業で箱1の開口部を閉じることができる。また、外蓋部26は箱1と一体となって設けられているので、別途外蓋を用意する必要が無い。 As described above, according to the box 1 of the fourth example, when the opening of the box 1 is closed, the outer lid portion 26 provided on the open side of each first side wall portion 4 is bent inward to form the second side wall portion. The opening of the box 1 can be closed by a simple operation such as bringing the open side of the 6 side into contact with the open side tip of the second side wall portion 6. Further, since the outer lid portion 26 is provided integrally with the box 1, it is not necessary to separately prepare the outer lid.

なお、第4例では、外蓋部26はそれぞれの第1側壁部4に設けているが、図示しないが、いずれか一方の第1側壁部に設けてもよい。この場合、外蓋部26は図10に示す外蓋部26の2倍の大きさとする。
その他の作用効果は第1例と同様である。
In the fourth example, the outer lid portion 26 is provided on each first side wall portion 4, but although not shown, it may be provided on either one of the first side wall portions. In this case, the outer lid portion 26 is twice as large as the outer lid portion 26 shown in FIG.
Other effects are the same as in the first example.

図12、図13は、第1例、第2例の箱1に被せられる外蓋の一例を示すものであり、図12は本例の外蓋の平面図、図13は、図12に示す外蓋を箱1に被せた状態を示す説明図である。 12 and 13 show an example of the outer lid covered on the box 1 of the first example and the second example, FIG. 12 is a plan view of the outer lid of this example, and FIG. 13 is shown in FIG. It is explanatory drawing which shows the state which put the outer lid on the box 1.

外蓋27は、箱1と同じく、一枚のシートで形成されている。使用されるシートとしては、本例では、箱1と同じシートが使用されている。一枚のシートで形成される本例の外蓋27は、図10の平面図で示すように、箱1の開口部外形と同じ大きさに形成された矩形状の天部28の4辺にそれぞれ第8折線29を介して側壁部30が設けられている。 The outer lid 27 is formed of a single sheet like the box 1. As the sheet used, in this example, the same sheet as in Box 1 is used. As shown in the plan view of FIG. 10, the outer lid 27 of this example formed of one sheet is formed on four sides of a rectangular top portion 28 formed to have the same size as the outer shape of the opening of the box 1. A side wall portion 30 is provided via the eighth folding line 29, respectively.

このように構成された外蓋27は、次のようにして箱1に被せられる、
天部28の4辺にそれぞれ設けられている側壁部30を第8折線28から山折りし、この状態で、側壁部30を箱1の第1側壁部4及び第2側壁部6の外面に重ねるようにして箱1に被せ、或いは、天部28を箱1の開口部に当ててから、側壁部30を第8折線28から山折りし、側壁部30を箱1の第1側壁部4及び第2側壁部6の外面に重ねるようにして箱1に被せる(図11参照。)。
The outer lid 27 configured in this way is put on the box 1 as follows.
The side wall portions 30 provided on the four sides of the top portion 28 are mountain-folded from the eighth folding line 28, and in this state, the side wall portions 30 are placed on the outer surfaces of the first side wall portion 4 and the second side wall portion 6 of the box 1. Cover the box 1 so as to overlap, or apply the top portion 28 to the opening of the box 1, then fold the side wall portion 30 from the eighth folding line 28 and fold the side wall portion 30 into the first side wall portion 4 of the box 1. And, it covers the box 1 so as to overlap the outer surface of the second side wall portion 6 (see FIG. 11).

このようにして箱1に被せた外蓋27の側壁部30に、粘着テープを巻き付け、箱1の第1側壁部4及び第2側壁部6の外面に重ねた側壁部30が拡がらないようにする。 An adhesive tape is wrapped around the side wall portion 30 of the outer lid 27 that covers the box 1 in this way so that the side wall portion 30 overlapped with the outer surfaces of the first side wall portion 4 and the second side wall portion 6 of the box 1 does not spread. To.

このように本例の外蓋27によれば、簡単な作業で箱1に被せることができる。 As described above, according to the outer lid 27 of this example, the box 1 can be covered with a simple operation.

1 箱
2 底部
3 第1折線
4 第1側壁部
5 第2折線
6 第2側壁部
7 第3折線
8 第4折線
9 第5折線
10 折込部
11a,11b 突片部
12 凹部
13a、13b 突部
14 第6折線
15 係止片部
16a,16b 嵌合口
17 連接部
18 切り込み
20 内蓋
21 嵌合片
22 内蓋部
23 第7折線
24 切り込み
25 嵌合片
26 外蓋部
27 外蓋
28 天板
29 第8折線
30 側壁部
1 Box 2 Bottom 3 1st folding line 4 1st side wall 5 2nd folding line 6 2nd side wall 7 3rd folding line 8 4th folding line 9 5th folding line 10 Folding part 11a, 11b Projection piece 12 Recession 13a, 13b Projection 14 6th folding line 15 Locking piece 16a, 16b Fitting port 17 Connecting part 18 Notch 20 Inner lid 21 Fitting piece 22 Inner lid 23 7th folding line 24 Notch 25 Fitting piece 26 Outer lid 27 Outer lid 28 Top plate 29 8th folding line 30 Side wall

Claims (8)

一枚のシートから組み立てられる箱であって、矩形状の底部の相対向する二辺にそれぞれ第1折線を介して連接する第1側壁部が設けられ、前記底部の他の相対向する二辺にそれぞれ第2折線を介して連接する第2側壁部が設けられ、隣り合う前記第1側壁部と前記第2側壁部の間に、両側端縁にそれぞれ第3折線、第4折線を介して連接し、前記両側端縁を2辺とする正方形に形成され、第3折線、第4折線の間の対角線を第5折線として内方に二つ折りされ三角形となって前記第2側壁部の内面側に折り込まれる折込部が設けられ、
前記折込部の2つの開放辺には突片部が設けられ、また、前記第2側壁部の開放辺に第6折線を介して連接する係止片部が設けられ、前記係止片部と前記第2側壁部の間に前記折込部に設けられた突片部が嵌合する嵌合口が形成されており、
前記係止片部を第6折線から谷折りすることにより、前記嵌合口に前記第2側壁部の内面側に折り込まれた折込部の開放辺に設けられた突片部が嵌合するようにしたことを特徴とする箱。
A box assembled from a single sheet, the two opposite sides of a rectangular bottom are provided with a first side wall that is connected via a first folding line, and the other two opposite sides of the bottom are provided. Is provided with a second side wall portion connected to each other via a second folding line, and between the adjacent first side wall portion and the second side wall portion, both side edge portions are provided via the third folding line and the fourth folding line, respectively. It is connected to form a square with both side edges as two sides, and is folded inward in half with the diagonal line between the third and fourth fold lines as the fifth fold line to form a triangle, and the inner surface of the second side wall portion. There is a folding part that folds to the side,
A projecting piece portion is provided on the two open sides of the folded portion, and a locking piece portion connected via a sixth folding line is provided on the open side of the second side wall portion, and the locking piece portion and the locking piece portion are provided. A fitting port for fitting the projecting piece portion provided in the folding portion is formed between the second side wall portions.
By folding the locking piece portion in a valley from the sixth folding line, the protruding piece portion provided on the open side of the folded portion folded into the inner surface side of the second side wall portion is fitted into the fitting port. A box characterized by what you did.
前記折込部の2つの開放辺に設けられた前記突片部にあっては、前記折込部の2つの開放辺の中央部位が、シート厚を超える深さに切り取られて凹部が形成され、凹部の両側の突部を前記突片部としており、前記折込部の2つの開放辺に形成された前記凹部と前記突部は、前記折込部を第5折線から二つ折りしたとき重なるように形成されており、また、前記第2側壁部の開放辺に設けられている前記係止片部は、前記重なり合う2つの突部からなる一方の前記突片部が嵌合する穴状の前記嵌合口が形成され、その両側に他方の前記突片部が嵌合する溝状の前記嵌合口が両側に形成され、穴状の前記嵌合口と溝状の前記嵌合口との間が前記第2側壁部に連接している連接部となり、前記連接部は前記折込部の2つの開放辺に形成された前記凹部に嵌合可能な幅にとなっており、さらに前記第2側壁部には、前記凹部の深さを超えない範囲で前記連接部の一部を形成する切り込みが設けられ、前記切り込みの先端を結ぶ線が前記第6折線となっていることを特徴とする特徴とする請求項1に記載の箱。 In the projecting piece portion provided on the two open sides of the folding portion, the central portion of the two open sides of the folding portion is cut out to a depth exceeding the sheet thickness to form a recess. The protrusions on both sides are the protrusions, and the recesses and the protrusions formed on the two open sides of the folding portion are formed so as to overlap when the folding portion is folded in half from the fifth folding line. In addition, the locking piece portion provided on the open side of the second side wall portion has a hole-shaped fitting port into which one of the protruding pieces formed of the two overlapping protrusions is fitted. The groove-shaped fitting port is formed on both sides, and the groove-shaped fitting port into which the other projecting piece portion is fitted is formed on both sides thereof, and the second side wall portion is between the hole-shaped fitting port and the groove-shaped fitting port. The connecting portion has a width that allows it to fit into the recesses formed on the two open sides of the folding portion, and the second side wall portion has the recessed portion. The first aspect of the present invention is characterized in that a notch forming a part of the connecting portion is provided within a range not exceeding the depth of the notch, and the line connecting the tip of the notch is the sixth folding line. The box described. 前記底部と、前記底部の二辺に設けられた前記第1側壁部と、前記底部の他の相対向する二辺に設けられた第2側壁部と、隣り合う前記第1側壁部と前記第2側壁部の間に設けられた折込部と、前記折込部の2つの開放辺に設けられた突片部と、前記第1側壁部の開放辺に設けられた前記係止片部により組み立てられる箱の開口部に着脱可能に取り付けられ開口部を開閉する内蓋を備えており、前記内蓋は、箱の開口部の内側に納まる矩形状の板状体からなり、前記内蓋の前記第2側壁部側の辺には、前記係止片部に形成された穴状の前記嵌合口と溝状の前記嵌合口に嵌合し、前記係止片部から突出している前記折込部の開放辺に設けられた前記突片部の間に嵌合する嵌合片が形成されていることを特徴とする請求項2に記載の箱。 The bottom portion, the first side wall portion provided on the two sides of the bottom portion, the second side wall portion provided on the other two opposite sides of the bottom portion, the first side wall portion adjacent to each other, and the first side wall portion. It is assembled by a folding portion provided between the two side wall portions, a projecting piece portion provided on the two open sides of the folding portion, and the locking piece portion provided on the open side of the first side wall portion. It is provided with an inner lid that is detachably attached to the opening of the box and opens and closes the opening. The inner lid is composed of a rectangular plate-like body that fits inside the opening of the box, and the first of the inner lids. 2 On the side of the side wall portion, the hole-shaped fitting port formed in the locking piece portion and the groove-shaped fitting port are fitted, and the folding portion protruding from the locking piece portion is opened. The box according to claim 2, wherein a fitting piece to be fitted is formed between the projecting pieces provided on the side. 前記底部の相対向する二辺にそれぞれ設けられた前記第1側壁部の内の、一方又は双方の第1側壁部の開放辺に、第7折線を介して連接する内蓋部が設けられていることを特徴とする請求項1または2に記載の箱。 An inner lid portion connected via a seventh folding line is provided on the open side of one or both of the first side wall portions of the first side wall portions provided on the two opposing sides of the bottom portion. The box according to claim 1 or 2, characterized in that the box is provided. 前記底部の相対向する二辺にそれぞれ設けられた前記第1側壁部の内の、一方又は双方の第1側壁部の開放辺に、第7折線を介して連接する外蓋部が設けられていることを特徴とする請求項1または2に記載の箱。 An outer lid portion connected via a seventh folding line is provided on the open side of one or both of the first side wall portions of the first side wall portions provided on the two opposing sides of the bottom portion. The box according to claim 1 or 2, characterized in that the box is provided. 前記シートは、少なくとも内面となる一面に耐液体性加工が施されていることを特徴とする請求項1〜5のいずれか1項に記載の箱。 The box according to any one of claims 1 to 5, wherein the sheet has at least one inner surface subjected to liquid resistance processing. 前記シートは、紙製であることを特徴とする請求項1〜6のいずれか1項に記載の箱。 The box according to any one of claims 1 to 6, wherein the sheet is made of paper. 前記シートは、段ボールシートであることを特徴とする請求項1〜7のいずれか1項に記載の箱。 The box according to any one of claims 1 to 7, wherein the sheet is a corrugated cardboard sheet.
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JPS539925U (en) * 1976-07-06 1978-01-27
JPH02148927U (en) * 1989-05-22 1990-12-18
JPH0752949A (en) * 1991-02-20 1995-02-28 Printpac Ueb Ltd Package capable of piling
JPH11124125A (en) * 1997-10-20 1999-05-11 Chiyoda Container Corp Packaging box
JPH11278462A (en) * 1998-03-27 1999-10-12 Rengo Co Ltd Corrugated fiberboard tray
US6273847B1 (en) * 1998-05-25 2001-08-14 Molson Breweries Carton insert
JP2002053127A (en) * 2000-08-07 2002-02-19 Chubu Oji Danbooru Kk Tray box with locked lid
JP2004175433A (en) * 2002-11-28 2004-06-24 Tokan Kogyo Co Ltd Packaging box
JP3218024U (en) * 2015-10-02 2018-09-20 ストラ エンソ オーワイジェイ Packing box and removable lid structure integrated
JP3218023U (en) * 2015-10-02 2018-09-20 ストラ エンソ オーワイジェイ Liquid-proof and liquid-tight packaging box

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS539925U (en) * 1976-07-06 1978-01-27
JPH02148927U (en) * 1989-05-22 1990-12-18
JPH0752949A (en) * 1991-02-20 1995-02-28 Printpac Ueb Ltd Package capable of piling
JPH11124125A (en) * 1997-10-20 1999-05-11 Chiyoda Container Corp Packaging box
JPH11278462A (en) * 1998-03-27 1999-10-12 Rengo Co Ltd Corrugated fiberboard tray
US6273847B1 (en) * 1998-05-25 2001-08-14 Molson Breweries Carton insert
JP2002053127A (en) * 2000-08-07 2002-02-19 Chubu Oji Danbooru Kk Tray box with locked lid
JP2004175433A (en) * 2002-11-28 2004-06-24 Tokan Kogyo Co Ltd Packaging box
JP3218024U (en) * 2015-10-02 2018-09-20 ストラ エンソ オーワイジェイ Packing box and removable lid structure integrated
JP3218023U (en) * 2015-10-02 2018-09-20 ストラ エンソ オーワイジェイ Liquid-proof and liquid-tight packaging box

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