JP5497383B2 - Packaging box - Google Patents

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JP5497383B2
JP5497383B2 JP2009206070A JP2009206070A JP5497383B2 JP 5497383 B2 JP5497383 B2 JP 5497383B2 JP 2009206070 A JP2009206070 A JP 2009206070A JP 2009206070 A JP2009206070 A JP 2009206070A JP 5497383 B2 JP5497383 B2 JP 5497383B2
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packaging box
flap
insertion flap
pressing portion
line
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JP2011057234A (en
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泰彦 田中
基司 三島
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Kao Corp
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Kao Corp
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Description

本発明は、化粧品等の包装に用いられる包装箱に関する。   The present invention relates to a packaging box used for packaging cosmetics and the like.

従来、正面板、側面板、背面板、蓋部、該側面板の端部に形成されるサイドフラップ及び蓋部の端部に形成される差込みフラップを有する包装箱において、差込みフラップとサイドフラップとの係合により箱にロック機能を付与することは知られている。
例えば、特許文献１〜６では、差込みフラップの蓋部との折り込み線近傍に切込み部を設けて、この切込み部とサイドフラップとを係合させるロック機能を箱に付与している。
しかしながら、これらの箱はロック強度が強過ぎてしまい、開蓋時にフラップ部分が破損する場合がある。特に、化粧品等の箱は意匠性が高いものが多く、その意匠性を維持させるために開蓋時に箱を破損させないようにすることが望まれている。
これに対し、特許文献７は、差込みフラップの蓋部との折り込み線近傍に凸部又は凹部を設けることによりロック強度を軽減したロック機構を設けることを提案している。しかし、このような箱を組み立てるとき、自動組立機（又は人手）により差込みフラップ部分を折り曲げていくと、蓋部と差込みフラップとの折り込み線で折り曲げられずに、差込みフラップ内の凸部又は凹部で折り曲げられてしまうことがあり、箱を正確に且つ確実に成形することが難しかった。 Conventionally, in a packaging box having a front plate, a side plate, a back plate, a lid, a side flap formed at the end of the side plate, and an insertion flap formed at the end of the lid, the insertion flap and the side flap It is known to provide a lock function to the box by engaging the.
For example, in patent documents 1-6, the notch part is provided in the folding line vicinity with the cover part of an insertion flap, and the lock function which engages this notch part and a side flap is provided to the box.
However, these boxes have too strong lock strength, and the flap portion may be damaged when the lid is opened. In particular, many cosmetic boxes have high design properties, and it is desired to prevent the boxes from being damaged when the lid is opened in order to maintain the design properties.
On the other hand, Patent Document 7 proposes to provide a lock mechanism that reduces the lock strength by providing a convex portion or a concave portion in the vicinity of the folding line with the lid portion of the insertion flap. However, when assembling such a box, if the insertion flap part is folded by an automatic assembly machine (or manpower), it is not bent at the folding line between the lid part and the insertion flap, and the convex part or the concave part in the insertion flap. It was difficult to bend the box accurately and reliably.

実開昭６３−２１２１２号公報Japanese Utility Model Publication No. 63-21212 実開昭６３−１３４９０９号公報Japanese Utility Model Publication No. 63-134909 実開平６−２５１２１号公報Japanese Utility Model Publication No. 6-25121 特開２０００−３２６９５５号公報JP 2000-326955 A 特開２００１−１９９４３５号公報JP 2001-199435 A 特開２００３−２９１９４３号公報JP 2003-291944 A 実開平６−４２６３２号公報Japanese Utility Model Publication No. 6-42632

本発明は、開蓋し易い適度なロック機能を有し、且つ箱を正確に且つ確実に成形することができる包装箱を提供することを課題とする。   It is an object of the present invention to provide a packaging box that has an appropriate locking function that is easy to open, and that can accurately and reliably form a box.

本発明者は、差込みフラップに設ける押圧部の配置に着目し、前記課題を達成した。
すなわち、本発明は、正面板、側面板、背面板、蓋部、該側面板の端部に形成されるサイドフラップ及び蓋部の端部に形成される差込みフラップを有する包装箱であって、該サイドフラップの側端部に係止部を有し、該差込みフラップに押圧部を有し、該押圧部は、該係止部と係合可能な部位に配置され、該差込みフラップ表面側の凹部と該差込みフラップ裏面側の凸部とからなり、且つ該蓋部と該差込みフラップとの折り込み線と平行にならないように配置されることを特徴とする包装箱である。 The inventor of the present invention paid attention to the arrangement of the pressing portion provided on the insertion flap and achieved the above problem.
That is, the present invention is a packaging box having a front plate, a side plate, a back plate, a lid, a side flap formed at the end of the side plate and an insertion flap formed at the end of the lid, The side flap has a locking portion, the insertion flap has a pressing portion, and the pressing portion is disposed at a position that can be engaged with the locking portion, on the insertion flap surface side. A packaging box comprising a concave portion and a convex portion on the back side of the insertion flap, and arranged so as not to be parallel to a folding line between the lid portion and the insertion flap.

本発明により、開蓋し易い適度なロック機能を有し、且つ箱を正確に且つ確実に成形することができる包装箱を提供することができる。   According to the present invention, it is possible to provide a packaging box that has an appropriate locking function that is easy to open, and that can accurately and reliably form a box.

本発明の包装箱の一実施態様を示す概略斜視図であり、図１（ｂ）は図１（ａ）の蓋部のＡ−Ａ’断面図である。It is a schematic perspective view which shows one embodiment of the packaging box of this invention, FIG.1 (b) is A-A 'sectional drawing of the cover part of Fig.1 (a). 本発明の包装箱の他の実施態様を示す概略斜視図である。It is a schematic perspective view which shows the other embodiment of the packaging box of this invention. 本発明の包装箱の他の実施態様を示す概略斜視図である。It is a schematic perspective view which shows the other embodiment of the packaging box of this invention. 本発明の包装箱におけるサイドフラップの態様を示す概略平面図である。It is a schematic plan view which shows the aspect of the side flap in the packaging box of this invention. 本発明の包装箱における押圧部の他の実施態様を示す蓋部と差込みフラップの概略展開図である。It is a schematic expanded view of the cover part and insertion flap which show the other embodiment of the press part in the packaging box of this invention. 本発明の包装箱における押圧部の他の実施態様を示す蓋部と差込みフラップの概略展開図である。It is a schematic expanded view of the cover part and insertion flap which show the other embodiment of the press part in the packaging box of this invention. 本発明の包装箱における押圧部の他の実施態様を示す蓋部と差込みフラップの概略展開図である。It is a schematic expanded view of the cover part and insertion flap which show the other embodiment of the press part in the packaging box of this invention. 本発明の包装箱における押圧部の他の実施態様を示す蓋部と差込みフラップの概略展開図である。It is a schematic expanded view of the cover part and insertion flap which show the other embodiment of the press part in the packaging box of this invention. 本発明の包装箱における押圧部の他の実施態様を示す蓋部と差込みフラップの概略展開図である。It is a schematic expanded view of the cover part and insertion flap which show the other embodiment of the press part in the packaging box of this invention. 本発明の包装箱における押圧部の他の実施態様を示す蓋部と差込みフラップの概略展開図である。It is a schematic expanded view of the cover part and insertion flap which show the other embodiment of the press part in the packaging box of this invention. 本発明の包装箱における押圧部の他の実施態様を示す蓋部と差込みフラップの概略展開図である。It is a schematic expanded view of the cover part and insertion flap which show the other embodiment of the press part in the packaging box of this invention. 本発明の包装箱における押圧部の他の実施態様を示す蓋部と差込みフラップの概略展開図である。It is a schematic expanded view of the cover part and insertion flap which show the other embodiment of the press part in the packaging box of this invention. 比較例の包装箱を示す概略斜視図である。It is a schematic perspective view which shows the packaging box of a comparative example.

本発明の包装箱は、正面板、側面板、背面板、蓋部、該側面板の端部に形成されるサイドフラップ及び蓋部の端部に形成される差込みフラップを有する包装箱であって、該サイドフラップの側端部に係止部を有し、該差込みフラップに押圧部を有し、該押圧部は、該係止部と係合可能な部位に配置され、該差込みフラップ表面側の凹部と該差込みフラップ裏面側の凸部とからなり、且つ該蓋部と該差込みフラップとの折り込み線と平行にならないように配置されることを特徴とする。
ここで、「該折り込み線と平行にならない」とは、「直線の場合においては、直線が該折り込み線と交わる角度の鋭角側が５〜９０°の範囲である」ことであり、「曲線の場合においては、該折り込み線と交わる角度の鋭角側が５〜９０°の範囲内で変動する接線を有する」ことである。
自動組立機（又は人手）により該差込みフラップ部分を折り曲げる工程において該差込みフラップ内の該押圧部で誤って折り曲げられることを防止する観点からは、該押圧部が、該折り込み線と１０〜９０°の角度をなす直線及び／又は該折り込み線に対して１０〜９０°の角度範囲内で変動する接線を有する曲線であることが好ましい。 The packaging box of the present invention is a packaging box having a front plate, a side plate, a back plate, a lid, a side flap formed at the end of the side plate, and an insertion flap formed at the end of the lid. The side flap has a locking portion, the insertion flap has a pressing portion, and the pressing portion is disposed at a position engageable with the locking portion, and the insertion flap surface side And a convex portion on the back side of the insertion flap, and is arranged so as not to be parallel to the folding line between the lid portion and the insertion flap.
Here, “not parallel to the fold line” means “in the case of a straight line, the acute angle of the angle at which the straight line intersects the fold line is in the range of 5 to 90 °” In this case, the acute angle side of the angle intersecting with the folding line has a tangent line that varies within a range of 5 to 90 °.
From the viewpoint of preventing the pressing portion in the insertion flap from being bent by mistake in the step of bending the insertion flap portion by an automatic assembly machine (or manually), the pressing portion is 10 to 90 ° with the folding line. It is preferable that the curve is a straight line that forms an angle and / or a tangent that varies within an angle range of 10 to 90 ° with respect to the folding line.

本発明の包装箱の実施の形態について、図面を参照して説明する。図１は、本発明の包装箱の一実施態様を示す概略斜視図である。
図１（ａ）に示す本発明の第１の実施態様である包装箱１０は、正面板１１、側面板１２、背面板１３、蓋部１４、側面板１２の端部に形成されるサイドフラップ１６及び蓋部１４の端部に形成される差込みフラップ１５を有する包装箱であって、サイドフラップ１６の側端部に係止部１６ａを有し、差込みフラップ１５に押圧部２０を有し、押圧部２０は蓋部１４と差込みフラップ１５との折り込み線３０と平行にならないように配置されており、この配置により差込みフラップ１５の折り込み線３０と垂直な方向の剛性が高まり、折り込み線３０と平行な方向に折れ曲がり難くなるので、自動組立機（又は人手）により差込みフラップ部分を折り曲げる工程において、差込みフラップ１５内の押圧部２０で誤って折り曲げられてしまうことがなく、蓋部１４と差込みフラップ１５との折り込み線３０で正確に且つ確実に折り曲げ成形されることとなる。図１（ａ）においては、押圧部２０は、折り込み線３０と垂直に配置されている。
図１（ａ）においては、２箇所の押圧部２０は、それぞれ直線を２本ずつ有するが、１本でも良く、３本以上の多数本でも良い。 Embodiments of the packaging box of the present invention will be described with reference to the drawings. FIG. 1 is a schematic perspective view showing an embodiment of the packaging box of the present invention.
A packaging box 10 according to the first embodiment of the present invention shown in FIG. 1A includes a front plate 11, a side plate 12, a back plate 13, a lid portion 14, and side flaps formed on end portions of the side plate 12. 16 and a packaging box having an insertion flap 15 formed at the end portion of the lid portion 14, having a locking portion 16 a at a side end portion of the side flap 16, and having a pressing portion 20 at the insertion flap 15, The pressing part 20 is arranged so as not to be parallel to the folding line 30 between the lid part 14 and the insertion flap 15, and this arrangement increases the rigidity in the direction perpendicular to the folding line 30 of the insertion flap 15. Since it becomes difficult to bend in the parallel direction, it may be bent erroneously by the pressing portion 20 in the insertion flap 15 in the process of bending the insertion flap portion by an automatic assembly machine (or manually). Without, and thus be accurately and reliably folded molded at fold line 30 between the lid portion 14 and the insertion flap 15. In FIG. 1A, the pressing portion 20 is disposed perpendicular to the folding line 30.
In FIG. 1A, the two pressing portions 20 each have two straight lines, but may be one or may be three or more.

また、押圧部２０は左右２箇所のサイドフラップ１６の係止部１６ａに対応して２箇所に配置され、それぞれ係止部１６ａと係合可能な部位に配置されている。ここで、係止部１６ａとは、側面板１２側のサイドフラップ１６端部から離隔部１６ｂに至るまでのサイドフラップ１６の正面板側の側端部をいい、離隔部１６ｂとは、サイドフラップ１６の側端部が正面板１１から、差込みフラップ１５の厚みと押圧部の凸部の厚みとの合計量より大きく離隔するサイドフラップ１６の正面板側の側端部をいう。係合可能な部位とは、サイドフラップ１６の係止部１６ａに対応する差込みフラップ１５の部位（すなわち、係合時に係止部１６ａと対向する差込みフラップ１５の部位）をいう。押圧部２０が係止部１６ａと係合する観点から、押圧部２０は折り込み線３０からサイドフラップ１６の厚み以上離隔していることが好ましい。   Moreover, the press part 20 is arrange | positioned at two places corresponding to the latching | locking part 16a of the side flap 16 of two right and left, and is each arrange | positioned in the site | part which can be engaged with the latching | locking part 16a. Here, the locking portion 16a refers to the side edge portion on the front plate side of the side flap 16 from the side flap 16 end portion on the side plate 12 side to the separation portion 16b, and the separation portion 16b refers to the side flap. The side edge part of 16 refers to the side edge part on the side of the front plate of the side flap 16 that is separated from the front plate 11 by more than the total amount of the thickness of the insertion flap 15 and the thickness of the convex part of the pressing part. The portion that can be engaged refers to the portion of the insertion flap 15 that corresponds to the locking portion 16a of the side flap 16 (that is, the portion of the insertion flap 15 that faces the locking portion 16a when engaged). From the viewpoint of the pressing portion 20 engaging with the locking portion 16a, the pressing portion 20 is preferably separated from the folding line 30 by the thickness of the side flap 16 or more.

図１（ｂ）は図１（ａ）の蓋部のＡ−Ａ’断面図である。図１（ｂ）に示すように、押圧部２０は差込みフラップ１５の表面側の凹部と差込みフラップ１５の裏面側の凸部とからなる。差込みフラップ１５の表面側から適当な形状で押圧することにより、同時に凹部と凸部とが一体的に形成される。係止部１６ａは差込みフラップ１５の裏面側にあるので、その係止部１６ａと係合するための凸部が差込みフラップ１５の裏面側に存在することが肝要である。
また、差込みフラップ１５の表面側に形成される凹部は、包装箱１０を開蓋した時の意匠性を高める効果を奏する。 FIG.1 (b) is AA 'sectional drawing of the cover part of Fig.1 (a). As shown in FIG. 1B, the pressing portion 20 includes a concave portion on the front surface side of the insertion flap 15 and a convex portion on the back surface side of the insertion flap 15. By pressing with an appropriate shape from the surface side of the insertion flap 15, the concave portion and the convex portion are simultaneously formed integrally. Since the locking portion 16a is on the back surface side of the insertion flap 15, it is important that a convex portion for engaging with the locking portion 16a exists on the back surface side of the insertion flap 15.
Moreover, the recessed part formed in the surface side of the insertion flap 15 has an effect which improves the designability when the packaging box 10 is opened.

図２は、本発明の包装箱１０の他の実施態様を示す概略斜視図である。図２においては、２箇所の押圧部２０は、それぞれ折り込み線３０に対して垂直な直線を３本ずつ有するので、さらに差込みフラップ１５の折り込み線３０と垂直な方向の剛性が高まり、折り込み線３０と平行な方向に折れ曲がり難くなっている。
図２に示すように、本発明の包装箱１０において、蓋部１４の端部（差込みフラップ１６側の端部）に開閉フラップ４０を設けると、開閉フラップ４０を指で持ち上げることのより簡単に開蓋でき、開蓋が一動作で簡便となるので、本発明の簡便なロック機構の利便性がさらに高まることとなる。
開閉フラップ４０は、図２に示すように差込みフラップ１５に切り込みを入れるだけで簡単に作製できる。 FIG. 2 is a schematic perspective view showing another embodiment of the packaging box 10 of the present invention. In FIG. 2, the two pressing portions 20 each have three straight lines each perpendicular to the folding line 30, so that the rigidity in the direction perpendicular to the folding line 30 of the insertion flap 15 is further increased, and the folding line 30. It is difficult to bend in the direction parallel to the.
As shown in FIG. 2, in the packaging box 10 of the present invention, if the opening / closing flap 40 is provided at the end of the lid 14 (the end on the insertion flap 16 side), it is easier to lift the opening / closing flap 40 with a finger. Since the lid can be opened and the opening is simple with one operation, the convenience of the simple locking mechanism of the present invention is further enhanced.
The opening / closing flap 40 can be easily manufactured simply by cutting the insertion flap 15 as shown in FIG.

図３は、本発明の包装箱１０の他の実施態様を示す概略斜視図である。図３においては、押圧部２０は１つで、押圧部２０を構成するＶ字形状の両端部がサイドフラップ１６にある２箇所の係止部１６ａと対応しており（すなわち、係合時に係止部１６ａと対向しており）、この両端部が係止部１６ａの双方と好適に係合する。このように、正面板１１の幅が狭く、包装箱１０の水平断面が正方形に近い場合は、押圧部２０を２箇所の係止部１６ａに合わせて２箇所設ける必要がなく、連続した１つの形状を有していても良い。図３では、押圧部２０は、Ｖ字形状に形成されているが他の文字又は図形でも良い。いずれも包装箱１０を開蓋した時に、文字又は図形がポップ・アップするため、意外性のある意匠効果を奏する。   FIG. 3 is a schematic perspective view showing another embodiment of the packaging box 10 of the present invention. In FIG. 3, there is one pressing portion 20, and both V-shaped end portions constituting the pressing portion 20 correspond to the two locking portions 16 a on the side flaps 16 (that is, the engaging portions are engaged during engagement). The both ends are preferably engaged with both of the locking portions 16a. Thus, when the width | variety of the front board 11 is narrow and the horizontal cross section of the packaging box 10 is near square, it is not necessary to provide the press part 20 according to the two latching | locking parts 16a, and one continuous one It may have a shape. In FIG. 3, the pressing portion 20 is formed in a V shape, but may be other characters or figures. In any case, when the packaging box 10 is opened, characters or figures pop up, so that an unexpected design effect is produced.

図４は、本発明の包装箱におけるサイドフラップの態様を示す概略平面図である。図４（ａ）においては、正面板１１と側面板１２との境界部位から正面板１１と１〜５°程度の鋭角で係止部１６ａが延びている。この係止部１６ａは途中でさらに正面板１１と離隔し、離隔部１６ｂとなっている。
図４（ｂ）においては、正面板１１と側面板１２との境界部位から離隔部１６ｂまでが、正面板１１と一定の距離（サイドフラップ１６の厚み程度）を保って係止部１６ａが形成されている。
いずれの場合も、差込みフラップ１５が容易に包装箱１０内に差し込まれ、且つ押圧部２０の凸部と係合し得る程度に、正面板１１と係止部１６ａとが離隔していれば良い。
また、必要に応じて、背面板１３と、サイドフラップ１６の背面板側の側端部とが１〜１０°程度の鋭角で除々に離隔していても良い。 FIG. 4 is a schematic plan view showing an aspect of a side flap in the packaging box of the present invention. In Fig.4 (a), the latching | locking part 16a is extended from the boundary part of the front plate 11 and the side plate 12 at the acute angle of about 1-5 degrees with the front plate 11. The latching portion 16a is further separated from the front plate 11 in the middle to form a separation portion 16b.
In FIG. 4B, the locking portion 16a is formed from the boundary portion between the front plate 11 and the side plate 12 to the separation portion 16b while maintaining a certain distance from the front plate 11 (about the thickness of the side flap 16). Has been.
In either case, it is only necessary that the front plate 11 and the locking portion 16a are separated to such an extent that the insertion flap 15 can be easily inserted into the packaging box 10 and can be engaged with the convex portion of the pressing portion 20. .
Moreover, the back plate 13 and the side edge part by the side of the back plate of the side flap 16 may be gradually spaced apart at an acute angle of about 1 to 10 ° as necessary.

図５〜１２は、本発明の包装箱１０における押圧部２０の他の実施態様を示す蓋部と差込みフラップの概略展開図である。図５〜９は、押圧部２０が、折り込み線３０と１０〜９０°の角度をなす直線及び／又は折り込み線３０に対して１０〜９０°の角度範囲で変動する接線を有する曲線である場合を示す。
図５に示す押圧部２０は、差込みフラップ１５の側端部から延びる直線であって、折り込み線３０と約３０°の角度をなす。
図６に示す押圧部２０は、差込みフラップ１５の側端部から延びる曲線であって、差込みフラップ１５の側端部の始点では折り込み線３０と約２０°の角度をなす接線を有し、差込みフラップ１５内側の終点では折り込み線３０と約７０°の角度をなす接線を有する。すなわち押圧部２０は折り込み線３０に対して２０〜７０°の角度範囲で変動する接線を有する曲線である。 FIGS. 5-12 is a schematic expanded view of the cover part and insertion flap which show the other embodiment of the press part 20 in the packaging box 10 of this invention. 5 to 9 are cases where the pressing portion 20 is a straight line that forms an angle of 10 to 90 ° with the fold line 30 and / or a tangent line that varies within an angle range of 10 to 90 ° with respect to the fold line 30. Indicates.
The pressing portion 20 shown in FIG. 5 is a straight line extending from the side end portion of the insertion flap 15 and forms an angle of about 30 ° with the folding line 30.
The pressing portion 20 shown in FIG. 6 is a curved line extending from the side end portion of the insertion flap 15, and has a tangent that forms an angle of about 20 ° with the folding line 30 at the start point of the side end portion of the insertion flap 15. The end point inside the flap 15 has a tangent line that makes an angle of about 70 ° with the folding line 30. That is, the pressing portion 20 is a curve having a tangent line that varies within an angle range of 20 to 70 ° with respect to the folding line 30.

図７に示す押圧部２０は、差込みフラップ１５の側端部の少し内側から延びる直線であって、折り込み線３０と約２５°の角度をなす。
図８に示す押圧部２０は、差込みフラップ１５の側端部の少し内側から延びる曲線であって、差込みフラップ１５の側端部近傍の始点では折り込み線３０と約７０°の角度をなす接線を有し、差込みフラップ１５内側の終点では折り込み線３０と約２０°の角度をなす接線を有する。すなわち押圧部２０は折り込み線３０に対して２０〜７０°の角度範囲で変動する接線を有する曲線である。
図９に示す押圧部２０は、差込みフラップ１５の側端部の少し内側に配置され、折り込み線３０と垂直な５本の直線からなる。 The pressing portion 20 shown in FIG. 7 is a straight line extending slightly from the inner side of the side end portion of the insertion flap 15 and forms an angle of about 25 ° with the folding line 30.
The pressing portion 20 shown in FIG. 8 is a curve extending slightly from the inner side of the side end portion of the insertion flap 15, and has a tangent that forms an angle of about 70 ° with the folding line 30 at the start point near the side end portion of the insertion flap 15. And has a tangent line that forms an angle of about 20 ° with the folding line 30 at the end point inside the insertion flap 15. That is, the pressing portion 20 is a curve having a tangent line that varies within an angle range of 20 to 70 ° with respect to the folding line 30.
The pressing portion 20 shown in FIG. 9 is arranged slightly inside the side end portion of the insertion flap 15 and consists of five straight lines perpendicular to the folding line 30.

本発明に係る押圧部２０は、長円形、長方形、角丸長方形（角が丸い長方形）及び円形から選ばれる少なくとも一種を有していても良い。より具体的にいえば、押圧部２０が、中心線が折り込み線３０と平行でない少なくとも１つの長円形、中心線が折り込み線３０と平行でない少なくとも１つの長方形、中心線が折り込み線３０と平行でない少なくとも１つの角丸長方形及び２つ以上の円形からなり円形の中心を結ぶ直線が折り込み線３０と平行でないものから選ばれる少なくとも一種を有していれば、押圧部２０で折り曲げられることを防止する観点から好ましい。ロック機能を向上させるためには、長円形、長方形、角丸長方形及び円形から選ばれる少なくとも一種が複数あった方が好ましい。複数の組合せは、長円形と円形の組み合わせのように異なる図形同士の組み合わせであっても良い。
本発明に係る押圧部２０が長円形、長方形、角丸長方形及び円形から選ばれる少なくとも二種である場合は、それらの中心を結ぶ線分が折り込み線３０と５〜９０°の角度をなして延在することが好ましい。
図１０に示す押圧部２０は、差込みフラップ１５の側端部の少し内側に配置され、左右２箇所の押圧部２０は、いずれも１つの角丸長方形からなる。この角丸長方形の中心線と折り込み線３０との角度は約２５°である。
図１１に示す押圧部２０は、差込みフラップ１５の側端部の少し内側に配置され、２箇所の押圧部２０は、いずれも２つの円形からなる。この２つの円形を結ぶ直線と折り込み線３０との角度は約３０°である。 The pressing part 20 according to the present invention may have at least one selected from an oval, a rectangle, a rounded rectangle (a rectangle with rounded corners), and a circle. More specifically, the pressing portion 20 has at least one oval whose center line is not parallel to the folding line 30, at least one rectangle whose center line is not parallel to the folding line 30, and whose center line is not parallel to the folding line 30. If the straight line connecting at least one rounded rectangle and two or more circles and connecting the centers of the circles has at least one selected from those not parallel to the folding line 30, it is prevented from being bent by the pressing portion 20. It is preferable from the viewpoint. In order to improve the locking function, it is preferable that there are a plurality of at least one selected from an oval, a rectangle, a rounded rectangle and a circle. The plurality of combinations may be combinations of different figures such as an oval and a circular combination.
When the pressing part 20 according to the present invention is at least two kinds selected from an oval, a rectangle, a rounded rectangle and a circle, a line segment connecting the centers thereof forms an angle of 5 to 90 ° with the folding line 30. It is preferable to extend.
The pressing portion 20 shown in FIG. 10 is disposed slightly inside the side end portion of the insertion flap 15, and the two left and right pressing portions 20 each have a single rounded rectangle. The angle between the center line of the rounded rectangle and the folding line 30 is about 25 °.
The pressing portion 20 shown in FIG. 11 is disposed slightly inside the side end portion of the insertion flap 15, and the two pressing portions 20 each have two circular shapes. The angle between the straight line connecting the two circles and the folding line 30 is about 30 °.

また、本発明に係る押圧部２０は、折れ線及び／又は波状曲線であっても良い。折れ線及び／又は波状曲線であれば、折れ線及び／又は波状曲線の少なくとも大部分が折り込み線３０と平行にならないので好ましい。自動組立機（又は人手）により差込みフラップ部分を折り曲げる工程において差込みフラップ１５内の押圧部２０で折り曲げられることを防止する観点からは、折れ線又は波状曲線の波の振幅を大きくすることが好ましく、振幅が線幅の３倍以上であることが好ましく、振幅が線幅の５倍以上であることがより好ましい。振幅の上限は特にないが、線幅の１０倍以下であれば押圧部を作製し易く好ましい。
図１２に示す押圧部２０は折れ線状に形成されており、線幅に比べ約３．５倍の振幅となっている。また差込みフラップ１５の側端部から延びる折れ線であって、折れ線の中心線と折り込み線３０との角度は約２０°であり、折り込み線３０とは平行とならないため、押圧部２０で折り曲げられてしまうことを防止する観点からさらに好ましい。 Further, the pressing portion 20 according to the present invention may be a polygonal line and / or a wavy curve. If it is a polygonal line and / or a wavy curve, at least most of the polygonal line and / or the wavy curve is not parallel to the folding line 30, which is preferable. From the viewpoint of preventing bending by the pressing portion 20 in the insertion flap 15 in the step of bending the insertion flap portion by an automatic assembly machine (or manual operation), it is preferable to increase the amplitude of the wave of the broken line or the wavy curve. Is preferably at least 3 times the line width, and more preferably at least 5 times the line width. The upper limit of the amplitude is not particularly limited, but it is preferable that the pressing portion is easily produced if it is 10 times or less the line width.
The pressing part 20 shown in FIG. 12 is formed in a polygonal line shape, and has an amplitude of about 3.5 times the line width. Further, it is a fold line extending from the side end portion of the insertion flap 15, and the angle between the fold line center line and the fold line 30 is about 20 ° and is not parallel to the fold line 30, so that it is bent by the pressing portion 20. It is further preferable from the viewpoint of preventing the occurrence.

以上述べた図５〜１２に示す本発明に係る押圧部２０の始点は、いずれも、折り込み線３０からサイドフラップ１６の厚み程度又はそれ以上離隔しているので、ロック機構が確実に機能し、好ましい。
図５、６及び１２のように押圧部２０が差込フラップ１５の側端部から開始すると、係止部１６ａとの係合がより強固となる（特に図４（ａ）の様な係止部の場合）反面、押圧部２０で折れ曲がる成形不具合が出やすくなる傾向にあるが、本願発明では押圧部２０が折り込み線３０とは平行とならないため、成形不具合が発生し難い。
また図１，２，３，７，８，９，１０及び１１のように押圧部２０が差込フラップ１５の側端部より少し内側から開始すると、押圧部２０で折れ曲がる成形不具合のリクスは低くなるが、係止部１６ａとの対向する部分が減少するため係合が弱くなる傾向にあるので、これらの場合は係止部１６ａの押圧部２０と対向する部分を増やすことなどにより係合を弱めない対応が可能である。 Since the starting point of the pressing portion 20 according to the present invention shown in FIGS. 5 to 12 described above is separated from the folding line 30 by about the thickness of the side flap 16 or more, the locking mechanism functions reliably. preferable.
When the pressing portion 20 starts from the side end portion of the insertion flap 15 as shown in FIGS. 5, 6 and 12, the engagement with the locking portion 16a becomes stronger (particularly the locking as shown in FIG. 4A). On the other hand, there is a tendency that a molding defect that bends at the pressing portion 20 tends to occur. However, in the present invention, the pressing portion 20 is not parallel to the folding line 30, so that a molding defect is unlikely to occur.
Also, as shown in FIGS. 1, 2, 3, 7, 8, 9, 10 and 11, when the pressing part 20 starts slightly from the side end of the insertion flap 15, the risk of molding failure that is bent at the pressing part 20 is low. However, since the portion facing the locking portion 16a decreases, the engagement tends to be weakened. In these cases, the engagement is increased by increasing the portion facing the pressing portion 20 of the locking portion 16a. A response that does not weaken is possible.

図１３は、比較例の包装箱を示す概略斜視図である。図１３に示すように比較例の包装箱５０は、正面板５１、側面板５２、背面板（図示しない）、蓋部５４、側面板５２の端部に形成されるサイドフラップ５６及び蓋部５４の端部に形成される差込みフラップ５５を有しサイドフラップ５６の側端部に係止部５６ａを有するが、差込みフラップ５５に切り欠き部６０を有するので、開蓋時に係止部５６ａと切り欠き部６０との係合がうまく外れず、係合したまま開蓋しようとすると差込みフラップ５５及び／又はサイドフラップ５６を破損することがあり、意匠性をも意図した化粧品等の包装箱の再利用を阻害するおそれがある。   FIG. 13 is a schematic perspective view showing a packaging box of a comparative example. As shown in FIG. 13, the packaging box 50 of the comparative example includes a front plate 51, a side plate 52, a back plate (not shown), a lid portion 54, side flaps 56 and lid portions 54 formed at the end portions of the side plate 52. The insertion flap 55 is formed at the end of the side flap 56, and the side flap 56 has a locking portion 56a. However, since the insertion flap 55 has a notch 60, the locking portion 56a is cut off when the lid is opened. If the engagement with the notch 60 is not released well, and the lid is opened with the engagement, the insertion flap 55 and / or the side flap 56 may be damaged, and the packaging box for cosmetics or the like intended for design can be reused. May interfere with use.

本発明の包装箱の材質としては、例えば、板紙、クラフト紙等の包装用紙、合成紙、プラスチックシート等が挙げられる。本発明の効果の発揮しやすさ、容易な加工性等を考慮すると、板紙、クラフト紙等の包装用紙、合成紙等の紙が好ましい。
プラスチックシートとしては、例えばポリエチレンテレフタレートもしくはその共重合体、ポリプロピレンもしくはその共重合体、ポリスチレンもしくはその共重合体、あるいはこれらの積層体等が挙げられる。
包装箱の美感を高めるため、金属、金属酸化物、酸化ケイ素等による表面蒸着、金属箔等の積層、樹脂等の表面コーテイングなどにより包装箱表面を加飾することが好ましい。 Examples of the material of the packaging box of the present invention include packaging paper such as paperboard and kraft paper, synthetic paper, and plastic sheet. In consideration of the ease of exhibiting the effects of the present invention, easy processability, and the like, paper such as paperboard and kraft paper, and synthetic paper are preferred.
Examples of the plastic sheet include polyethylene terephthalate or a copolymer thereof, polypropylene or a copolymer thereof, polystyrene or a copolymer thereof, or a laminate thereof.
In order to enhance the aesthetics of the packaging box, it is preferable to decorate the surface of the packaging box by surface vapor deposition with metal, metal oxide, silicon oxide or the like, lamination of metal foil or the like, surface coating with resin or the like.

本発明の包装箱は、各種筒状体、多角柱体、瓶体等の容器に入った商品であって、口紅、香水、マニキュア等の化粧品やトリートメント、ヘアカラー、ヘアマニキュア等のヘアケア商品等を収容する包装箱として好適に用いられる。   The packaging box of the present invention is a product in containers such as various cylindrical bodies, polygonal cylinders, bottles, etc., and cosmetic products such as lipstick, perfume, nail polish and treatments, hair color, hair care products such as hair nail polish, etc. It is suitably used as a packaging box that accommodates.

１０ 本発明の包装箱
１１ 正面板
１２ 側面板
１３ 背面板
１４ 蓋部
１５ 差込みフラップ
１６ サイドフラップ
１６ａ 係止部
１６ｂ 離隔部
２０ 押圧部
３０ 蓋部と差込みフラップとの折り込み線
４０ 開閉フラップ
５０ 比較例の包装箱
５１ 正面板
５２ 側面板
５４ 蓋部
５５ 差込みフラップ
５６ サイドフラップ
５６ａ 係止部
６０ 切り欠き部 DESCRIPTION OF SYMBOLS 10 Packing box 11 Front plate 12 Side plate 13 Back plate 14 Cover part 15 Insertion flap 16 Side flap 16a Locking part 16b Separation part 20 Press part 30 Folding line 40 of a cover part and an insertion flap 40 Opening and closing flap 50 Comparative example Packaging box 51 Front plate 52 Side plate 54 Lid 55 Insertion flap 56 Side flap 56a Locking portion 60 Notch

Claims (7)

正面板、側面板、背面板、蓋部、該側面板の端部に形成されるサイドフラップ及び蓋部の端部に形成される差込みフラップを有する包装箱であって、該サイドフラップの側端部に係止部を有し、該差込みフラップに押圧部を有し、
該押圧部は、該係止部と係合可能な部位に配置され、該差込みフラップ表面側の凹部と該差込みフラップ裏面側の凸部とからなり、且つ該蓋部と該差込みフラップとの折り込み線と平行にならないように配置され、
該押圧部が該差込みフラップの中心へ向かうに従い該折り込み線から離れる方向に傾斜していることを特徴とする包装箱。 A packaging box having a front plate, a side plate, a back plate, a lid, a side flap formed at an end of the side plate, and an insertion flap formed at an end of the lid, the side end of the side flap The part has a locking part, the insertion flap has a pressing part,
The pressing portion is disposed at a portion that can be engaged with the locking portion, and includes a concave portion on the front surface side of the insertion flap and a convex portion on the back surface side of the insertion flap, and is folded between the lid portion and the insertion flap. Placed so as not to be parallel to the line ,
The packaging box , wherein the pressing portion is inclined in a direction away from the folding line as it goes toward the center of the insertion flap . 前記押圧部が、前記折り込み線と１０°以上９０°未満の角度をなす直線及び／又は前記折り込み線に対して１０°以上９０°未満の角度範囲で変動する接線を有する曲線である請求項１に記載の包装箱。 It said pressing portion, claim 1 is a curve having a tangent that varies linearly and / or angle range of less than 10 ° or 90 ° to the fold lines forms an angle of less than the fold lines and more than 10 ° 90 ° Packaging box as described in. 前記押圧部が長円形、長方形、角丸長方形及び円形から選ばれる少なくとも一種を有するものである請求項１に記載の包装箱。   The packaging box according to claim 1, wherein the pressing portion has at least one selected from an oval, a rectangle, a rounded rectangle, and a circle. 前記押圧部が、折れ線及び／又は波状曲線である請求項１に記載の包装箱。   The packaging box according to claim 1, wherein the pressing portion is a polygonal line and / or a wavy curve. 前記蓋部の端部に開閉フラップを有する請求項１〜４のいずれかに記載の包装箱。   The packaging box in any one of Claims 1-4 which has an opening-and-closing flap in the edge part of the said cover part. 前記押圧部が、長円形、長方形、角丸長方形及び円形から選ばれる少なくとも二種であり、該二種の中心を結ぶ線分と該折り込み線のなす角が５°以上９０°未満である請求項１に記載の包装箱。 The pressing portion is at least two types selected from an oval, a rectangle, a rounded rectangle and a circle, and an angle formed by a line segment connecting the centers of the two types and the folding line is 5 ° or more and less than 90 °. Item 4. A packaging box according to item 1. 前記押圧部の折れ線及び／又は波状曲線の振幅が、線幅の３倍以上である請求項４に記載の包装箱。The packaging box according to claim 4, wherein the amplitude of the broken line and / or the wavy curve of the pressing portion is three times or more the line width.
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JP2007308178A (en) * 2006-05-19 2007-11-29 Lion Corp Carton for powder and method of manufacturing the same
JP2008308172A (en) * 2007-06-12 2008-12-25 Tombow Pencil Co Ltd Packaging box
JP5358075B2 (en) * 2007-09-11 2013-12-04 ライオン株式会社 carton

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