JP4711910B2 - Paper packaging box - Google Patents

Paper packaging box Download PDF

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JP4711910B2
JP4711910B2 JP2006227242A JP2006227242A JP4711910B2 JP 4711910 B2 JP4711910 B2 JP 4711910B2 JP 2006227242 A JP2006227242 A JP 2006227242A JP 2006227242 A JP2006227242 A JP 2006227242A JP 4711910 B2 JP4711910 B2 JP 4711910B2
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side wall
wall plates
piece
packaging box
paper packaging
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JP2008050025A (en
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文徳 大崎
雅司 桑原
誠 木下
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Panasonic Corp
Panasonic Holdings Corp
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Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Description

本発明は例えばデジタルカメラなどの被包装物を収納する紙製包装箱に関するものである。   The present invention relates to a paper packaging box for storing a packaged object such as a digital camera.

従来、包装箱として、特許文献１に開示されるような折り返しフラップに噛み合わせ構造を備えたものが知られている。
この特許文献１に開示されている包装箱では、折り返しフラップに噛み合わせ構造を備えているので、側面に内部から衝撃が加わった場合に、包装箱の変形が最小限となり、衝撃による破損を防止できるという効果が得られる。 2. Description of the Related Art Conventionally, a packaging box having a meshing structure with a folded back flap as disclosed in Patent Document 1 is known.
In the packaging box disclosed in Patent Document 1, since the folding flap is provided with a meshing structure, when an impact is applied to the side from the inside, the deformation of the packaging box is minimized and damage due to the impact is prevented. The effect that it can be obtained.

このように包装箱そのものの破損を防止するべく如何に補強するかの観点のほか、破損を防止するため衝撃を分散することにより破損を防止するという観点のものなど、種々の提案がなされている。一方、包装箱に対して、容積率を小さくするための小型化、コストダウンのための軽量化、環境保全のためのリサイクル化の要請があり、シート材として古紙を使用した段ボールを採用されるようになっている。
特開平１１−３０１６３４号公報 In this way, various proposals have been made in addition to the viewpoint of how to reinforce the packaging box itself to prevent breakage, and the viewpoint of preventing breakage by dispersing impact to prevent breakage. . On the other hand, for packaging boxes, there is a demand for downsizing to reduce the volume ratio, weight reduction for cost reduction, and recycling for environmental protection, and cardboard using waste paper as a sheet material is adopted. It is like that.
Japanese Patent Laid-Open No. 11-301634

上記のように古紙を使用した段ボールは破損しやすく、裂けやすいという問題があり、特に小型の被包装物を包装するために軽量化しようとした場合、薄いシート材を使用すると、前述の特許文献１に記載の構成の包装箱にあっては、側面への応力が加わると隣り合う側面間の折曲部において裂けやすくなるという問題があった。   As mentioned above, corrugated cardboard using waste paper is prone to breakage and tearing easily, especially when trying to reduce the weight in order to wrap a small packaged item, if the thin sheet material is used, the aforementioned patent document In the packaging box having the configuration described in No. 1, there is a problem that when a stress is applied to the side surfaces, it is easily torn at the bent portion between the adjacent side surfaces.

本発明の目的は、このような課題を解決するものであり、古紙を使用した段ボールにより小型の包装箱を作っても、組み立てが簡単でありながら側壁板の起立保持を容易に行なえ、また左右の側壁板に対して開く方向に所定値以上の応力が加わっても側壁板の折曲部以外に応力を分散してその側壁板の破損を防止できる紙製包装箱を提供することにある。   The object of the present invention is to solve such problems. Even if a small packaging box is made of corrugated cardboard using used paper, the side wall plate can be easily held upright while the assembly is simple. An object of the present invention is to provide a paper packaging box that can disperse the stress other than the bent portion of the side wall plate and prevent the side wall plate from being damaged even if a stress of a predetermined value or more is applied to the side wall plate.

本発明の請求項１に記載の紙製包装箱は、平面形状が方形状の底板と、この底板に隣接して形成される左右および前後の側壁板と、左右の側壁板の両端縁に各々前後の側壁板の内側に沿うように折り曲げ可能に連設された第１および第２の保持片と、前後の側壁板の何れか一方の側壁板の上端に連設され第１の保持片を挟むように側壁板内側に折り曲げ可能な折込片と、前後の側壁板の他方の側壁板の上端に連設された上蓋片と、この上蓋片の先端に連設され前記折込片の内側に差し込まれる差込片と、前記左右の側壁板の上端に連設されたフラップとを備え、前記前後の側壁板の何れか一方の側壁板と折込片とで挟み込まれる第１の保持片の上端には一方の側壁板と折込片とによって形成される折曲部内側に当接する上向きの突起を備え、前記上蓋片が連設された他方の側壁板の内側に位置するように折り曲げられる第２の保持片の先端には、先端同士が互いに離れる方向に遊びを持って連結される係合部を備え、前記第１の保持片は、上蓋片が閉じられた封緘状態において、正常状態では前記突起の先端が前記一方の側壁板と折込片とによって形成される折曲部内側に当接して左右の側壁板を底板に対してほぼ直角な起立状態に規制し、左右の側壁板に対して開く方向に所定値以上の応力が加わった際に前記突起が先端より応力変形して左右の側壁板が外側に開く状態になるように構成され、前記第２の保持片は、その上縁に、左右の側壁板との連設部より一定寸法の水平部と、この水平部に連続する傾斜部を備え、先端の係合部の上下幅が側壁板の上下幅より狭小となるように形成され、上蓋片が閉じられた封緘状態において、左右の側壁板に対して開く方向に所定値以上の応力が加わった際に、前記水平部と傾斜部の境界部が変位して先端の係合部が上蓋片側に変位することにより左右の側壁板が外側に開く状態になるように構成されていることを特徴とする。   The paper packaging box according to claim 1 of the present invention includes a bottom plate having a square planar shape, left and right and front and rear side wall plates formed adjacent to the bottom plate, and both end edges of the left and right side wall plates. The first and second holding pieces which are continuously provided so as to be bent along the inner sides of the front and rear side wall plates, and the first holding piece which is provided continuously with the upper end of one of the front and rear side wall plates. Folding pieces that can be folded inside the side wall plate so as to be sandwiched, an upper lid piece that is connected to the upper end of the other side wall plate of the front and rear side wall plates, and that is connected to the tip of this upper lid piece and is inserted inside the folding piece On the upper end of the first holding piece sandwiched between any one of the front and rear side wall plates and the folding piece. Comprises an upward projection that abuts on the inner side of the bent portion formed by one side wall plate and the folding piece, An engaging portion is provided at the tip of the second holding piece that is bent so as to be positioned inside the other side wall plate on which the upper lid piece is continuously provided, and the tips are connected with play in a direction away from each other. In the sealed state where the upper lid piece is closed, the first holding piece is in a normal state in which the tip of the projection comes into contact with the inner side of the bent portion formed by the one side wall plate and the folding piece. The side wall plate is controlled to stand substantially perpendicular to the bottom plate, and when a stress of a predetermined value or more is applied in the opening direction with respect to the left and right side wall plates, the projections are subjected to stress deformation from the tip, so that the left and right side wall plates are The second holding piece is configured to open to the outside, and the second holding piece has a horizontal portion having a certain dimension from a continuous portion with the left and right side wall plates, and an inclined portion continuing to the horizontal portion on the upper edge. Provided, so that the vertical width of the engagement portion at the tip is narrower than the vertical width of the side wall plate In the sealed state in which the upper lid piece is closed, when a stress greater than a predetermined value is applied in the opening direction to the left and right side wall plates, the boundary between the horizontal portion and the inclined portion is displaced, and The left and right side wall plates are configured to open outward when the joint portion is displaced to the upper lid piece side.

本発明の請求項２に記載の紙製包装箱は、紙製包装箱の材料は、古紙を使用した段ボールであることを特徴とする。
本発明の請求項３に記載の紙製包装箱は、第１の保持片の突起の向きが段ボールの段目方向に対して直角となるように構成したことを特徴とする。 The paper packaging box according to claim 2 of the present invention is characterized in that the material of the paper packaging box is cardboard using waste paper.
The paper packaging box according to claim 3 of the present invention is characterized in that the direction of the projection of the first holding piece is perpendicular to the direction of the corrugated cardboard.

本発明の請求項４に記載の紙製包装箱は、第２の保持片の水平部が段ボールの段目方向となるように構成したことを特徴とする。
本発明の請求項５に記載の紙製包装箱は、左右の側壁板の両端縁に連設された第１および第２の保持片は、左右の側壁板に対する折曲部において段ボールの段目方向が折曲線に対して直角となるように構成したことを特徴とする。 The paper packaging box according to claim 4 of the present invention is characterized in that the horizontal portion of the second holding piece is arranged in the direction of the corrugated cardboard.
In the paper packaging box according to claim 5 of the present invention, the first and second holding pieces connected to both end edges of the left and right side wall plates are corrugated cardboard at the bent portions with respect to the left and right side wall plates. It is characterized in that the direction is perpendicular to the folding line.

本発明の請求項６に記載の紙製包装箱は、平面形状が方形状の底板と、この底板に隣接して形成される左右および前後の側壁板と、左右の側壁板の両端縁に各々前後の側壁板の内側に沿うように折り曲げ可能に連設された第１および第２の保持片と、前後の側壁板の何れか一方の側壁板の上端に連設され第１の保持片を挟むように側壁板内側に折り曲げ可能な折込片と、前後の側壁板の他方の側壁板の上端に連設された上蓋片と、この上蓋片の先端に連設され前記折込片の内側に差し込まれる差込片と、前記左右の側壁板の上端に連設されたフラップとを備え、前記前後の側壁板の内側に沿うように折り曲げられる第１および第２の保持片の先端には、それぞれ先端同士が互いに離れる方向に遊びを持って連結される係合部を備え、前記第１および第２の保持片は、その上縁に、左右の側壁板との連設部より一定寸法の水平部と、この水平部に連続する傾斜部を備え、先端の係合部の上下幅が側壁板の上下幅より狭小となるように形成され、上蓋片が閉じられた封緘状態において、左右の側壁板に対して開く方向に所定値以上の応力が加わった際に、前記水平部と傾斜部の境界部が変位して先端の係合部が上蓋片側に変位することにより左右の側壁板が外側に開く状態になるように構成されていることを特徴とする。   The paper packaging box according to claim 6 of the present invention includes a bottom plate having a rectangular planar shape, left and right and front and rear side wall plates formed adjacent to the bottom plate, and both end edges of the left and right side wall plates. The first and second holding pieces which are continuously provided so as to be bent along the inner sides of the front and rear side wall plates, and the first holding piece which is provided continuously with the upper end of one of the front and rear side wall plates. Folding pieces that can be folded inside the side wall plate so as to be sandwiched, an upper lid piece that is connected to the upper end of the other side wall plate of the front and rear side wall plates, and that is connected to the tip of this upper lid piece and is inserted inside the folding piece Each of the first and second holding pieces bent along the inner sides of the front and rear side wall plates, respectively. An engaging portion connected with play in a direction in which the tips are separated from each other; The second holding piece includes a horizontal portion having a fixed dimension from the connecting portion with the left and right side wall plates on the upper edge thereof, and an inclined portion continuous to the horizontal portion. In the sealed state in which the upper lid piece is closed and formed to be narrower than the vertical width of the side wall plate, when the stress greater than a predetermined value is applied to the left and right side wall plates, the horizontal portion and the horizontal portion are inclined. The left and right side wall plates are configured to open to the outside by displacing the boundary portion of the portion and displacing the engagement portion at the tip toward the upper lid piece side.

本発明の請求項７に記載の紙製包装箱は、紙製包装箱の材料は、古紙を使用した段ボールであることを特徴とする。
本発明の請求項８に記載の紙製包装箱は、第１および第２の保持片の水平部が段ボールの段目方向となるように構成したことを特徴とする。 The paper packaging box according to claim 7 of the present invention is characterized in that the material of the paper packaging box is cardboard using waste paper.
The paper packaging box according to claim 8 of the present invention is characterized in that the horizontal portions of the first and second holding pieces are arranged in the direction of the corrugated cardboard.

本発明の請求項９に記載の紙製包装箱は、左右の側壁板の両端縁に連設された第１および第２の保持片は、左右の側壁板に対する折曲部において段ボールの段目方向が折曲線に対して直角となるように構成したことを特徴とする。   The paper packaging box according to claim 9 of the present invention is such that the first and second holding pieces connected to both end edges of the left and right side wall plates are corrugated cardboard at the bent portions with respect to the left and right side wall plates. It is characterized in that the direction is perpendicular to the folding line.

以上のように、本発明の請求項１に記載の紙製包装箱によれば、封緘具や接着剤などを必要とせず折り曲げのみで箱の組み立てができ、構成が簡素化された組み立て容易な紙製包装箱を提供できる。特に保持片により側壁板の起立保持を確実に行なえ、厚みの薄い段ボールで作られた小型の包装箱であっても強度を持たせることができる。詳しくは、左右の側壁板に対して開く方向に所定値以上の応力が加わった際に第１の保持片の突起が先端より応力変形して左右の側壁板が外側に開き、また第２の保持片は水平部と傾斜部の境界部が変位して先端の係合部が上蓋片側に変位することにより左右の側壁板が外側に開いて左右の側壁板に加わる応力を分散させ、側壁板の破損を防止できる。   As described above, according to the paper packaging box of the first aspect of the present invention, the box can be assembled only by bending without requiring a sealing tool or an adhesive, and the structure is simplified and easy to assemble. A paper packaging box can be provided. In particular, the side wall plate can be reliably held upright by the holding piece, and even a small packaging box made of thin cardboard can be given strength. Specifically, when stress of a predetermined value or more is applied in the opening direction with respect to the left and right side wall plates, the protrusion of the first holding piece is stress-deformed from the tip, and the left and right side wall plates are opened to the outside. The holding piece is displaced at the boundary between the horizontal portion and the inclined portion and the engaging portion at the tip is displaced to the upper lid piece side, whereby the left and right side wall plates are opened outwardly to disperse the stress applied to the left and right side wall plates. Can be prevented from being damaged.

本発明の請求項２に記載の紙製包装箱によれば、紙製包装箱の材料が古紙を使用した段ボールであっても包装箱の強度を維持でき、リサイクル対応の紙製包装箱を提供できる。
本発明の請求項３に記載の紙製包装箱によれば、第１の保持片の突起の向きを段ボールの段目方向に対して直角となるように構成したことにより、突起が応力変形しやすくなる。 According to the paper packaging box described in claim 2 of the present invention, the strength of the packaging box can be maintained even if the material of the paper packaging box is corrugated cardboard using waste paper, and a paper packaging box for recycling is provided. it can.
According to the paper packaging box of the third aspect of the present invention, the projection is stress-deformed by configuring the projection of the first holding piece to be perpendicular to the direction of the corrugated cardboard. It becomes easy.

本発明の請求項４に記載の紙製包装箱によれば、第２の保持片の水平部が段ボールの段目方向となるように構成したことにより、上縁の水平部と傾斜部の境界部が応力変形しやすくなる。   According to the paper packaging box of the fourth aspect of the present invention, the horizontal portion of the second holding piece is configured to be in the step direction of the cardboard, so that the boundary between the horizontal portion of the upper edge and the inclined portion. The part is easily deformed by stress.

本発明の請求項５に記載の紙製包装箱によれば、左右の側壁板の両端縁に連設された第１および第２の保持片は、左右の側壁板に対する折曲部において段ボールの段目方向が折曲線に対して直角となるように構成したことにより、左右の側壁板の両端縁の曲げ部の応力に対する強度を保持できる。   According to the paper packaging box of the fifth aspect of the present invention, the first and second holding pieces connected to the both end edges of the left and right side wall plates are formed of corrugated cardboard at the bent portions with respect to the left and right side wall plates. By configuring the step direction to be perpendicular to the folding line, it is possible to maintain the strength against the stress of the bent portions at both end edges of the left and right side wall plates.

本発明の請求項６に記載の紙製包装箱によれば、請求項１に記載の紙製包装箱と同様、封緘具や接着剤などを必要とせず折り曲げのみで箱の組み立てができ、構成が簡素化された組み立て容易な紙製包装箱を提供できる。特に保持片により側壁板の起立保持を確実に行なえ、厚みの薄い段ボールで作られた小型の包装箱であっても強度を持たせることができる。詳しくは、左右の側壁板に対して開く方向に所定値以上の応力が加わった際に第１の保持片および第２の保持片は水平部と傾斜部の境界部が変位して先端の係合部が上蓋片側に変位することにより左右の側壁板が外側に開いて左右の側壁板に加わる応力を分散させ、側壁板の破損を防止できる。   According to the paper packaging box according to claim 6 of the present invention, as in the paper packaging box according to claim 1, the box can be assembled only by bending without requiring a sealing tool or an adhesive. It is possible to provide a paper packaging box that is simplified and easy to assemble. In particular, the side wall plate can be reliably held upright by the holding piece, and even a small packaging box made of thin cardboard can be given strength. Specifically, when a stress of a predetermined value or more is applied in the opening direction with respect to the left and right side wall plates, the boundary between the horizontal portion and the inclined portion of the first holding piece and the second holding piece is displaced. When the joint portion is displaced to the upper lid piece side, the left and right side wall plates open to the outside, and the stress applied to the left and right side wall plates can be dispersed to prevent the side wall plates from being damaged.

本発明の請求項７に記載の紙製包装箱によれば、請求項２に記載の紙製包装箱と同様、紙製包装箱の材料が古紙を使用した段ボールであっても包装箱の強度を維持でき、リサイクル対応の紙製包装箱を提供できる。   According to the paper packaging box described in claim 7 of the present invention, as in the case of the paper packaging box described in claim 2, the strength of the packaging box is obtained even if the material of the paper packaging box is corrugated cardboard using waste paper. And can provide a paper packaging box that can be recycled.

本発明の請求項８に記載の紙製包装箱によれば、請求項４に記載の紙製包装箱と同様、第１および第２の保持片の水平部が段ボールの段目方向となるように構成したことにより、上縁の水平部と傾斜部の境界部が応力変形しやすくなる。   According to the paper packaging box described in claim 8 of the present invention, like the paper packaging box described in claim 4, the horizontal portions of the first and second holding pieces are in the direction of the corrugated cardboard. With this configuration, the boundary between the horizontal portion of the upper edge and the inclined portion is easily deformed by stress.

本発明の請求項９に記載の紙製包装箱によれば、請求項５に記載の紙製包装箱と同様、左右の側壁板の両端縁に連設された第１および第２の保持片は、左右の側壁板に対する折曲部において段ボールの段目方向が折曲線に対して直角となるように構成したことにより、左右の側壁板の両端縁の曲げ部の応力に対する強度を保持できる。   According to the paper packaging box of the ninth aspect of the present invention, the first and second holding pieces connected to the both edges of the left and right side wall plates in the same manner as the paper packaging box of the fifth aspect. In the bent portion with respect to the left and right side wall plates, the step direction of the corrugated cardboard is configured to be perpendicular to the bending curve, so that the strength against the stress of the bent portions at both end edges of the left and right side wall plates can be maintained.

以下、本発明の一実施の形態について、図面（図１〜図１０）に基づいて説明する。
図において、１は例えば古紙を使用した段ボールなどの厚紙を材料に用いて作られ例えばデジタルカメラなどの小型の被包装物（図示せず）を収納する紙製包装箱であり、この紙製包装箱１は平面形状が長形状の底板２と、この底板２の短辺側に隣接して形成される左右の側壁板３，４と、底板２の長辺側に隣接して形成される前後の側壁板５，６と、左右の側壁板３，４の両端縁に各々前後の側壁板５，６の内側に沿うように折り曲げ可能に連設された第１の保持片７，８および第２の保持片９，１０と、前後の側壁板５，６の何れか一方の側壁板（図面に示す実施の形態では前側の側壁板５）の上端に連設され第１の保持片７，８を挟むように前側の側壁板５内側に折り曲げ可能な折込片１１と、前後の側壁板の他方の側壁板（図面に示す実施の形態では後側の側壁板６）の上端に連設された上蓋片１２と、この上蓋片１２の先端に連設され前記折込片１１の内側に差し込まれる差込片１３と、前記左右の側壁板３，４の上端に連設されたフラップ１４，１５とを備えている。前記折込片１１の先端には前側の側壁板５内側に折り込まれた状態において底板２に形成されている係止孔２ａに嵌り込む係止片１１ａを備えている。 Hereinafter, an embodiment of the present invention will be described with reference to the drawings (FIGS. 1 to 10).
In the figure, reference numeral 1 denotes a paper packaging box made of cardboard or the like made of used paper, for example, and containing a small package (not shown) such as a digital camera. The box 1 has a bottom plate 2 having a long planar shape, left and right side wall plates 3 and 4 formed adjacent to the short side of the bottom plate 2, and front and rear formed adjacent to the long side of the bottom plate 2. First holding pieces 7, 8 connected to both end edges of the left and right side wall plates 3, 4 so as to be foldable along the inner sides of the front and rear side wall plates 5, 6, and 2 holding pieces 9, 10 and front and rear side wall plates 5, 6, one side wall plate (front side wall plate 5 in the embodiment shown in the drawings) connected to the upper end of the first holding piece 7, 8 and the other side wall plate of the front and rear side wall plates (shown in the drawing). In the embodiment, the upper lid piece 12 connected to the upper end of the rear side wall plate 6), the insertion piece 13 connected to the tip of the upper cover piece 12 and inserted into the folding piece 11, and the left and right Flaps 14 and 15 connected to the upper ends of the side wall plates 3 and 4. The front end of the folding piece 11 is provided with a locking piece 11a that fits into a locking hole 2a formed in the bottom plate 2 in a state of being folded inside the front side wall plate 5.

また、前記前側の側壁板５と折込片１１とで挟み込まれる第１の保持片７，８の先端部における上端には前側の側壁板５と折込片１１とによって形成される折曲部内側に当接する上向きの突起７ａ，８ａを備え、前記上蓋片１２が連設された後側の側壁板６の内側に位置するように折り曲げられる第２の保持片９，１０の先端には、先端同士が互いに離れる方向に遊びを持って連結される係合部９ａ，１０ａを備えている。   Further, the upper ends of the first holding pieces 7 and 8 sandwiched between the front side wall plate 5 and the folding piece 11 are inside the bent portion formed by the front side wall plate 5 and the folding piece 11. The tip of the second holding pieces 9 and 10 that are provided so as to be positioned inside the rear side wall plate 6 provided with the upward protrusions 7a and 8a that contact the upper cover piece 12 are provided between the tips. Are provided with engaging portions 9a and 10a that are connected with play in a direction away from each other.

前記第１の保持片７，８は、上蓋片１２が閉じられた封緘状態において、正常状態では前記突起７ａ，８ａの先端が前記前側の側壁板５と折込片１１とによって形成される折曲部内側に当接して左右の側壁板３，４を底板２に対してほぼ直角な起立状態に規制し、左右の側壁板３，４に対して開く方向に所定値以上の応力が加わった際に前記突起７ａ，８ａが先端より応力変形して左右の側壁板３，４が外側に開く状態（図９参照）になるように構成されている。なお、第１の保持片７，８の突起７ａ，８ａの向きが段ボールの段目方向Ａに対して直角となるように構成されている。   The first holding pieces 7 and 8 are bent such that the front ends of the projections 7a and 8a are formed by the front side wall plate 5 and the folding piece 11 in a normal state in a sealed state where the upper lid piece 12 is closed. When the left and right side wall plates 3 and 4 are restrained to stand upright substantially perpendicularly to the bottom plate 2 by contacting the inner side of the part, and a stress exceeding a predetermined value is applied to the left and right side wall plates 3 and 4 in the opening direction. Further, the projections 7a and 8a are deformed by stress from the tip so that the left and right side wall plates 3 and 4 are opened outward (see FIG. 9). In addition, it is comprised so that direction of protrusion 7a, 8a of the 1st holding pieces 7 and 8 may become a right angle with respect to the cardboard direction A. FIG.

また、前記第２の保持片９，１０は、その上縁に、左右の側壁板３，４との連設部より一定寸法の水平部９ｂ，１０ｂと、この水平部９ｂ，１０ｂに連続する傾斜部９ｃ，１０ｃを備え、先端の係合部９ａ，１０ａの上下幅が側壁板３，４，５，６の上下幅より狭小となるように形成されている。ここで、前述した係合部９ａ，１０ａの係合に遊びを持たせる構成として、係合部９ａ，１０ａが嵌合される切欠部９ｄ，１０ｄが形成されている。そして、上蓋片１２が閉じられた封緘状態において、左右の側壁板３，４に対して開く方向に所定値以上の応力が加わった際に、前記水平部９ｂ，１０ｂと傾斜部９ｃ，１０ｃの境界部が応力変形して先端の係合部９ａ，１０ａが切欠部９ｄ，１０ｄによる遊びの範囲で上蓋片１２側に変位することにより左右の側壁板３，４が外側に開く状態（図１０参照）になるように構成されている。なお、第２の保持片９，１０の水平部９ｂ，１０ｂが段ボールの段目方向Ａとなるように構成されている。   Further, the second holding pieces 9, 10 are connected to the horizontal portions 9b, 10b of a certain size and the horizontal portions 9b, 10b at the upper edges thereof from the connecting portions with the left and right side wall plates 3, 4. Inclined portions 9c and 10c are provided so that the vertical widths of the engaging portions 9a and 10a at the tip are narrower than the vertical widths of the side wall plates 3, 4, 5 and 6. Here, notches 9d and 10d into which the engaging portions 9a and 10a are fitted are formed as a configuration for providing play in the engaging portions 9a and 10a. In the sealed state where the upper lid piece 12 is closed, when a stress of a predetermined value or more is applied to the left and right side wall plates 3 and 4 in the opening direction, the horizontal portions 9b and 10b and the inclined portions 9c and 10c The boundary portions are subjected to stress deformation and the engagement portions 9a, 10a at the distal end are displaced toward the upper lid piece 12 within the range of play by the notches 9d, 10d, so that the left and right side wall plates 3, 4 are opened outward (FIG. 10). Reference). The horizontal portions 9b and 10b of the second holding pieces 9 and 10 are configured to be in the cardboard step direction A.

さらに、左右の側壁板３，４の両端縁に連設された第１および第２の保持片７，８および９，１０は、左右の側壁板３，４に対する折曲部において段ボールの段目方向Ａが折曲線に対して直角となるように構成されている。   Further, the first and second holding pieces 7, 8, 9, 10 connected to the both end edges of the left and right side wall plates 3, 4 are corrugated cardboard at the bent portions with respect to the left and right side wall plates 3, 4. The direction A is configured to be perpendicular to the folding line.

なお、前記上蓋片１２と差込片１３との連設線上には中央に係止孔１６が形成されており、左右の側壁板３，４の上端に連設されたフラップ１４，１５を水平に閉じ、差込片１３を前記折込片１１の内側に差し込んだ状態において前側の側壁板５と折込片１１とに跨って形成された係止片１７を係止孔１６に差し込んで紙製包装箱１の封緘が完了するようになっている。   A locking hole 16 is formed at the center on the connecting line between the upper cover piece 12 and the insertion piece 13, and the flaps 14 and 15 connected to the upper ends of the left and right side wall plates 3 and 4 are horizontally connected. In a state where the insertion piece 13 is inserted inside the folding piece 11, the locking piece 17 formed across the front side wall plate 5 and the folding piece 11 is inserted into the locking hole 16 and wrapped in paper. The box 1 is now sealed.

上記構成において、正常状態では前記第１の保持片７，８の突起７ａ，８ａの先端が前記前側の側壁板５と折込片１１とによって形成される折曲部内側に当接して左右の側壁板３，４を底板２に対してほぼ直角な起立状態に規制されているが、左右の側壁板３，４に対して開く方向に所定値以上の応力が加わった際に前記突起７ａ，８ａが前側の側壁板５と折込片１１とによって形成される折曲部内側に強く当接して先端より応力変形し、その結果図９に示すように左右の側壁板３，４が外側に開くようになる。また、同時に第２の保持片９，１０においては、左右の側壁板３，４に対して開く方向に所定値以上の応力が加わった際に、前記水平部９ｂ，１０ｂと傾斜部９ｃ，１０ｃの境界部が変位して先端の係合部９ａ，１０ａが上蓋片１２側に変位することにより図１０に示すように左右の側壁板３，４が外側に開くようになる。   In the above configuration, in the normal state, the front ends of the projections 7a and 8a of the first holding pieces 7 and 8 are in contact with the inner side of the bent portion formed by the front side wall plate 5 and the folding piece 11, and the left and right side walls. Although the plates 3 and 4 are restricted to stand upright substantially at right angles to the bottom plate 2, the protrusions 7a and 8a are applied when stress of a predetermined value or more is applied to the left and right side wall plates 3 and 4 in the opening direction. Strongly contacts the inner side of the bent portion formed by the front side wall plate 5 and the folding piece 11 and is deformed by stress from the tip, so that the left and right side wall plates 3 and 4 are opened outward as shown in FIG. become. At the same time, in the second holding pieces 9 and 10, the horizontal portions 9b and 10b and the inclined portions 9c and 10c are applied when stress of a predetermined value or more is applied to the left and right side wall plates 3 and 4 in the opening direction. As shown in FIG. 10, the left and right side wall plates 3 and 4 are opened to the outside as a result of displacement of the boundary portion and displacement of the engaging portions 9a and 10a at the distal end toward the upper lid piece 12 side.

さらに、第１の保持片７，８の突起７ａ，８ａの向きを段ボールの段目方向Ａに対して直角となるように構成することにより、突起７ａ，８ａが応力変形しやすくなり、左右の側壁板３，４の開きがよりスムーズとなる。
また、第２の保持片９，１０の水平部９ｂ，１０ｂが段ボールの段目方向Ａとなるように構成することにより、水平部９ｂ，１０ｂと傾斜部９ｃ，１０ｃの境界部が応力変形しやすくなり、左右の側壁板３，４の開きがよりスムーズとなる。 Further, by configuring the projections 7a and 8a of the first holding pieces 7 and 8 to be perpendicular to the corrugated cardboard direction A, the projections 7a and 8a are easily deformed by stress, The opening of the side wall plates 3 and 4 becomes smoother.
In addition, by configuring the horizontal portions 9b and 10b of the second holding pieces 9 and 10 to be in the corrugated cardboard direction A, the boundary between the horizontal portions 9b and 10b and the inclined portions 9c and 10c is subjected to stress deformation. It becomes easy and the opening of the left and right side wall plates 3 and 4 becomes smoother.

また、左右の側壁板３，４の両端縁に連設された第１および第２の保持片７，８および９，１０を、左右の側壁板３，４に対する折曲部において段ボールの段目方向Ａが折曲線に対して直角となるように構成することにより、左右の側壁板３，４の両端縁の曲げ部の応力に対する強度を保持できる。   Further, the first and second holding pieces 7, 8, 9, 10 connected to the both end edges of the left and right side wall plates 3, 4 are connected to the corrugated cardboard at the bent portions with respect to the left and right side wall plates 3, 4. By configuring the direction A so as to be perpendicular to the folding line, the strength against the stress of the bent portions at both end edges of the left and right side wall plates 3 and 4 can be maintained.

また、紙製包装箱１が古紙を使用した段ボールなどの厚紙を材料に用いて作られていても、上記のような第１および第２の保持片７，８および９，１０を備えることにより、包装箱の強度を維持でき、リサイクル対応の紙製包装箱１を提供できる。   Even if the paper packaging box 1 is made of cardboard or other cardboard using waste paper, the first and second holding pieces 7, 8 and 9, 10 as described above are provided. The strength of the packaging box can be maintained, and the paper packaging box 1 for recycling can be provided.

以上図面に示す実施の形態について述べたが、底板２つまり紙製包装箱１は平面形状が長形状でなくても良く、正方形であっても良い。また、前記第１の保持片７，８の構成として、第２の保持片９，１０と同じ構成を採用することも可能である。   Although the embodiment shown in the drawings has been described above, the bottom plate 2, that is, the paper packaging box 1, may not have a long planar shape but may be a square. In addition, as the configuration of the first holding pieces 7 and 8, the same configuration as that of the second holding pieces 9 and 10 can be adopted.

本発明の一実施の形態における紙製包装箱の展開図である。It is an expanded view of the paper packaging box in one embodiment of this invention. 同紙製包装箱の組み立て途中の状態を後方から見た斜視図である。It is the perspective view which looked at the state in the middle of the assembly of the packaging box made from the paper from back. 同紙製包装箱の組み立て完成直前の状態を後方から見た斜視図である。It is the perspective view which looked at the state just before the assembly completion of the paper packaging box from the back. 同紙製包装箱の組み立て完成状態を前方から見た斜視図である。It is the perspective view which looked at the assembly completion state of the paper packaging box from the front. 同紙製包装箱の組み立て完成状態を示す平面図である。It is a top view which shows the assembly completion state of the packaging box made from the paper. 図５のＸ−Ｘ矢視図である。It is XX arrow line view of FIG. 図５のＹ−Ｙ矢視図である。It is a YY arrow line view of FIG. 図５のＺ−Ｚ矢視図である。It is a ZZ arrow line view of FIG. 同紙製包装箱の左右の側壁板に対して開く方向に応力が加わって左右の側壁板が外側に開く状態を図５のＹ−Ｙ方向から見た断面図である。It is sectional drawing which looked at the state which stress was added to the direction opened with respect to the left and right side wall board of the packaging box made from the same paper, and the left and right side wall board opened outside from the YY direction of FIG. 同紙製包装箱の左右の側壁板に対して開く方向に応力が加わって左右の側壁板が外側に開く状態を図５のＺ−Ｚ方向から見た断面図である。It is sectional drawing which looked at the state which stress was added to the opening direction with respect to the left and right side wall board of the packaging box made from the same paper, and the left and right side wall board opened outside from the ZZ direction of FIG.

符号の説明Explanation of symbols

１ 紙製包装箱
２ 底板
３，４ 側壁板
５，６ 側壁板
７，８ 第１の保持片
７ａ，８ａ 突起
９，１０ 第２の保持片
９ａ，１０ａ 係合部
９ｂ，１０ｂ 水平部
９ｃ，１０ｃ 傾斜部
９ｄ，１０ｄ 切欠部
１１ 折込片
１２ 上蓋片
１３ 差込片
１４，１５ フラップ DESCRIPTION OF SYMBOLS 1 Paper packaging box 2 Bottom plate 3,4 Side wall plate 5,6 Side wall plate 7,8 1st holding piece 7a, 8a Projection 9,10 2nd holding piece 9a, 10a Engagement part 9b, 10b Horizontal part 9c, 10c Inclined part 9d, 10d Notch part 11 Folding piece 12 Upper lid piece 13 Inserting piece 14, 15 Flap

Claims (9)

平面形状が方形状の底板と、この底板に隣接して形成される左右および前後の側壁板と、左右の側壁板の両端縁に各々前後の側壁板の内側に沿うように折り曲げ可能に連設された第１および第２の保持片と、前後の側壁板の何れか一方の側壁板の上端に連設され第１の保持片を挟むように側壁板内側に折り曲げ可能な折込片と、前後の側壁板の他方の側壁板の上端に連設された上蓋片と、この上蓋片の先端に連設され前記折込片の内側に差し込まれる差込片と、前記左右の側壁板の上端に連設されたフラップとを備え、
前記前後の側壁板の何れか一方の側壁板と折込片とで挟み込まれる第１の保持片の上端には一方の側壁板と折込片とによって形成される折曲部内側に当接する上向きの突起を備え、
前記上蓋片が連設された他方の側壁板の内側に位置するように折り曲げられる第２の保持片の先端には、先端同士が互いに離れる方向に遊びを持って連結される係合部を備え、
前記第１の保持片は、上蓋片が閉じられた封緘状態において、正常状態では前記突起の先端が前記一方の側壁板と折込片とによって形成される折曲部内側に当接して左右の側壁板を底板に対してほぼ直角な起立状態に規制し、左右の側壁板に対して開く方向に所定値以上の応力が加わった際に前記突起が先端より応力変形して左右の側壁板が外側に開く状態になるように構成され、
前記第２の保持片は、その上縁に、左右の側壁板との連設部より一定寸法の水平部と、この水平部に連続する傾斜部を備え、先端の係合部の上下幅が側壁板の上下幅より狭小となるように形成され、上蓋片が閉じられた封緘状態において、左右の側壁板に対して開く方向に所定値以上の応力が加わった際に、前記水平部と傾斜部の境界部が応力変形して先端の係合部が上蓋片側に変位することにより左右の側壁板が外側に開く状態になるように構成されていることを特徴とする紙製包装箱。 Planar bottom plate, left and right and front and rear side wall plates formed adjacent to the bottom plate, and connected to both end edges of the left and right side wall plates so as to be foldable along the inside of the front and rear side wall plates, respectively. First and second holding pieces, a folding piece that is connected to the upper end of one of the front and rear side wall plates and can be bent inside the side wall plate so as to sandwich the first holding piece, An upper cover piece that is connected to the upper end of the other side wall plate, an insertion piece that is connected to the tip of the upper cover piece and is inserted inside the folding piece, and an upper cover piece that is connected to the upper ends of the left and right side wall plates. Provided with a flap,
An upward projection abutting on the inner side of the bent portion formed by the one side wall plate and the folding piece at the upper end of the first holding piece sandwiched between any one of the front and rear side wall plates and the folding piece. With
At the tip of the second holding piece that is bent so as to be positioned inside the other side wall plate in which the upper lid piece is continuously provided, there is provided an engaging portion that is connected with play in a direction in which the tips are separated from each other. ,
In the sealed state in which the upper lid piece is closed, the first holding piece is in a normal state in which the tip of the protrusion comes into contact with the inside of the bent portion formed by the one side wall plate and the folding piece, and the left and right side walls The plate is controlled to stand upright at a right angle with respect to the bottom plate, and when a stress of a predetermined value or more is applied in the opening direction with respect to the left and right side wall plates, the protrusions are deformed by stress from the tip, and the left and right side wall plates are outside. Configured to open
The second holding piece is provided with a horizontal portion having a fixed dimension from the connecting portion with the left and right side wall plates and an inclined portion continuous to the horizontal portion at the upper edge thereof, and the vertical width of the engaging portion at the tip is In the sealed state in which the upper lid piece is closed and formed to be narrower than the vertical width of the side wall plate, when the stress greater than a predetermined value is applied to the left and right side wall plates, the horizontal portion and the horizontal portion are inclined. A paper packaging box, wherein the left and right side wall plates are opened to the outside when the boundary portion of the portion is deformed by stress and the engaging portion at the tip is displaced to the upper lid piece side. 紙製包装箱の材料は、古紙を使用した段ボールであることを特徴とする請求項１記載の紙製包装箱。 2. The paper packaging box according to claim 1, wherein the material of the paper packaging box is cardboard using waste paper. 第１の保持片の突起の向きが段ボールの段目方向に対して直角となるように構成したことを特徴とする請求項２記載の紙製包装箱。 3. The paper packaging box according to claim 2, wherein the direction of the projection of the first holding piece is perpendicular to the direction of the corrugated cardboard. 第２の保持片の水平部が段ボールの段目方向となるように構成したことを特徴とする請求項３記載の紙製包装箱。 4. The paper packaging box according to claim 3, wherein the horizontal portion of the second holding piece is configured to be in the direction of the corrugated cardboard. 左右の側壁板の両端縁に連設された第１および第２の保持片は、左右の側壁板に対する折曲部において段ボールの段目方向が折曲線に対して直角となるように構成したことを特徴とする請求項２〜４までの何れか１項記載の紙製包装箱。 The first and second holding pieces connected to both end edges of the left and right side wall plates are configured such that the step direction of the cardboard is perpendicular to the folding line at the bent portion with respect to the left and right side wall plates. The paper packaging box according to any one of claims 2 to 4. 平面形状が方形状の底板と、この底板に隣接して形成される左右および前後の側壁板と、左右の側壁板の両端縁に各々前後の側壁板の内側に沿うように折り曲げ可能に連設された第１および第２の保持片と、前後の側壁板の何れか一方の側壁板の上端に連設され第１の保持片を挟むように側壁板内側に折り曲げ可能な折込片と、前後の側壁板の他方の側壁板の上端に連設された上蓋片と、この上蓋片の先端に連設され前記折込片の内側に差し込まれる差込片と、前記左右の側壁板の上端に連設されたフラップとを備え、
前記前後の側壁板の内側に沿うように折り曲げられる第１および第２の保持片の先端には、それぞれ先端同士が互いに離れる方向に遊びを持って連結される係合部を備え、
前記第１および第２の保持片は、その上縁に、左右の側壁板との連設部より一定寸法の水平部と、この水平部に連続する傾斜部を備え、先端の係合部の上下幅が側壁板の上下幅より狭小となるように形成され、上蓋片が閉じられた封緘状態において、左右の側壁板に対して開く方向に所定値以上の応力が加わった際に、前記水平部と傾斜部の境界部が応力変形して先端の係合部が上蓋片側に変位することにより左右の側壁板が外側に開く状態になるように構成されていることを特徴とする紙製包装箱。 Planar bottom plate, left and right and front and rear side wall plates formed adjacent to the bottom plate, and connected to both end edges of the left and right side wall plates so as to be foldable along the inside of the front and rear side wall plates, respectively. First and second holding pieces, a folding piece that is connected to the upper end of one of the front and rear side wall plates and can be bent inside the side wall plate so as to sandwich the first holding piece, An upper cover piece that is connected to the upper end of the other side wall plate, an insertion piece that is connected to the tip of the upper cover piece and is inserted inside the folding piece, and an upper cover piece that is connected to the upper ends of the left and right side wall plates. Provided with a flap,
The distal ends of the first and second holding pieces that are bent along the inner sides of the front and rear side wall plates are each provided with an engaging portion that is connected with play in a direction in which the distal ends are separated from each other.
The first and second holding pieces are provided at the upper edge thereof with a horizontal portion having a fixed dimension from the connecting portion with the left and right side wall plates, and an inclined portion continuing to the horizontal portion, In a sealed state in which the vertical width is narrower than the vertical width of the side wall plate and the upper lid piece is closed, when the stress above the predetermined value is applied to the left and right side wall plates in the opening direction, the horizontal The paper packaging is characterized in that the right and left side wall plates are opened to the outside by the stress deformation of the boundary between the inclined portion and the inclined portion and the engaging portion at the tip being displaced to the upper lid piece side. box. 紙製包装箱の材料は、古紙を使用した段ボールであることを特徴とする請求項５記載の紙製包装箱。 6. The paper packaging box according to claim 5, wherein the material of the paper packaging box is cardboard using waste paper. 第１および第２の保持片の水平部が段ボールの段目方向となるように構成したことを特徴とする請求項６記載の紙製包装箱。 7. The paper packaging box according to claim 6, wherein the horizontal portions of the first and second holding pieces are arranged in the direction of the corrugated cardboard. 左右の側壁板の両端縁に連設された第１および第２の保持片は、左右の側壁板に対する折曲部において段ボールの段目方向が折曲線に対して直角となるように構成したことを特徴とする請求項７または８記載の紙製包装箱。 The first and second holding pieces connected to both end edges of the left and right side wall plates are configured such that the step direction of the cardboard is perpendicular to the folding line at the bent portion with respect to the left and right side wall plates. 9. A paper packaging box according to claim 7 or 8.
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JP5420089B1 (en) * 2013-01-10 2014-02-19 株式会社エルティ流通センター Packing box
JP2016188099A (en) * 2015-03-30 2016-11-04 まいにち株式会社 Crisis management countermeasure product
CN108528904A (en) * 2018-04-26 2018-09-14 德清捷富凯纸品包装有限公司 Make the paperboard structure of packing box
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