JP2020070066A - Packing box - Google Patents
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- JP2020070066A JP2020070066A JP2018205698A JP2018205698A JP2020070066A JP 2020070066 A JP2020070066 A JP 2020070066A JP 2018205698 A JP2018205698 A JP 2018205698A JP 2018205698 A JP2018205698 A JP 2018205698A JP 2020070066 A JP2020070066 A JP 2020070066A
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- fold line
- flap
- packaging box
- inner flap
- tongue piece
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- 238000012856 packing Methods 0.000 title abstract 2
- 238000003780 insertion Methods 0.000 claims abstract description 43
- 230000037431 insertion Effects 0.000 claims abstract description 43
- 238000004806 packaging method and process Methods 0.000 claims description 52
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 235000013311 vegetables Nutrition 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 210000005182 tip of the tongue Anatomy 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Abstract
Description
本発明は、角筒状の胴部を備え、胴部の一方の開口部を閉塞する段ボール箱等の包装箱に関する。 The present invention relates to a packaging box such as a corrugated cardboard box having a rectangular tubular body and closing one opening of the body.
従来、野菜や果物を出荷の際に包装する包装箱が知られている（特許文献１参照）。 Conventionally, a packaging box for packaging vegetables and fruits at the time of shipping has been known (see Patent Document 1).
特許文献１の包装箱は、互いに対向する一対の第１側板と互いに対向する一対の第２側板とによって構成される角筒状の胴部と、各第１側板の一端縁に折目線を介して連設された内フラップと、各第２側板の一端縁に折目線を介して連設された外フラップとを備え、両内フラップを側板の上縁の折目線に沿って水平に折り曲げ、両外フラップを側板の上縁の折目線に沿って水平に折り曲げて両内フラップに重合させて、前記胴部の上部を覆って天部とするものである。 The packaging box of Patent Document 1 has a rectangular tubular body formed of a pair of first side plates facing each other and a pair of second side plates facing each other, and a fold line at one end edge of each first side plate. An inner flap continuously connected with each other, and an outer flap continuously connected to one end edge of each second side plate through a fold line, and both inner flaps are horizontally bent along the fold line of the upper edge of the side plate, Both outer flaps are horizontally bent along the fold line of the upper edge of the side plate to be overlapped with both inner flaps, and the upper part of the body is covered to form the top.
そして、特許文献１の包装箱では、前記内フラップは、矩形状に形成され、その先端から側板側の基端に向かって互いに離反する方向に傾斜する一対のスリットを備え、前記外フラップは、側板側の基端から先端に向かって次第に幅狭となる略台形状に形成され、その先端から両側に突出して前記内フラップの各スリットに差し込まれる差込片を備える。 Then, in the packaging box of Patent Document 1, the inner flap is formed in a rectangular shape, and is provided with a pair of slits inclined in directions away from each other from the distal end toward the base end on the side plate side, and the outer flap is It is formed in a substantially trapezoidal shape in which the width gradually narrows from the base end on the side plate side toward the distal end, and the insertion piece protrudes to both sides from the distal end and is inserted into each slit of the inner flap.
これにより、特許文献１の包装箱では、胴部内方に向かって水平に折り曲げられた内フラップの外表面に外フラップを重合させてから、外フラップを更に押し下げて胴部の内方に傾斜させると、これに伴って内フラップも胴部の内方に傾斜し、各差込片の先端が夫々に対応するスリットに差し込まれる。 As a result, in the packaging box of Patent Document 1, the outer flap is superposed on the outer surface of the inner flap that is bent horizontally toward the inside of the body, and then the outer flap is further pushed down to incline inward of the body. Along with this, the inner flap also inclines inward of the body portion, and the tips of the respective insertion pieces are inserted into the corresponding slits.
次いで、外フラップの押し下げを解除すると、外フラップ及び内フラップは、共に復元弾性により水平に戻り、差込片がスリットに完全に差し込まれる。 Then, when the pushing down of the outer flap is released, the outer flap and the inner flap both return to the horizontal state by the restoring elasticity, and the insertion piece is completely inserted into the slit.
よって、特許文献１の包装箱は、その閉蓋作業を極めて容易に行うことができる。 Therefore, the packaging box of Patent Document 1 can be extremely easily closed.
特許文献１の包装箱では、その後、天部が閉蓋された胴部を天地反転させて開放された底部側から野菜等の内容物を投入した後、底部を閉塞し、胴部を再度反転させることで、内容物の収容作業が完了する。 In the packaging box of Patent Document 1, after that, the body with the top closed is turned upside down and contents such as vegetables are put in from the opened bottom side, and then the bottom is closed and the body is turned over again. By doing so, the work of containing the contents is completed.
しかしながら、特許文献１の包装箱では、内容物を取り出すため、前記閉蓋作業と同様に、外フラップを押し下げて差込片をスリットから抜き出す必要があるため、胴部の内方に傾斜させた外フラップ及び内フラップで内容物を傷つけないように気を付けながら、開蓋作業を行う必要があった。 However, in the packaging box of Patent Document 1, in order to take out the contents, it is necessary to push down the outer flap and pull out the insertion piece from the slit, as in the case of the above-mentioned lid closing work, and therefore the packaging box is tilted inward of the body portion. It was necessary to perform the lid opening work, taking care not to damage the contents with the outer flap and the inner flap.
上記の点に鑑み、本発明は、開蓋作業を容易に行うことができる包装箱を提供することを目的とする。 In view of the above points, an object of the present invention is to provide a packaging box that can easily perform a lid opening operation.
かかる目的を達成するために、互いに対向する一対の第１側板と互いに対向する一対の第２側板とによって構成される角筒状の胴部と、各第１側板の一端縁に第１折目線を介して連設された内フラップと、各第２側板の一端縁に第２折目線を介して連設された外フラップとを備える包装箱において、前記外フラップの先端部には、前記第２折目線に沿って延びる第３折目線を介して先方へ突出する舌片が設けられ、前記内フラップには、該内フラップの先端縁が互いに対向するように折り曲げるとともに前記外フラップを該内フラップの外面に重なるように折り曲げることにより前記胴部の一方の開口部を閉塞したときの前記舌片と対応する位置に、該舌片が挿入される挿入孔が形成され、前記内フラップの前記挿入孔が形成された周縁には、該内フラップの横方向内方から該内フラップの横方向外方に向かって、前記挿入された前記舌片の先端部と重なり合う位置まで突出する突部が形成されていることを特徴とする。 In order to achieve such an object, a rectangular tube-shaped body formed by a pair of first side plates facing each other and a pair of second side plates facing each other, and a first fold line at one end edge of each first side plate. In the packaging box provided with an inner flap continuously provided via a second fold line and an outer flap continuously provided at one end edge of each second side plate via a second fold line, A tongue piece that protrudes forward through a third fold line that extends along the second fold line is provided, and the inner flap is bent so that the leading edges of the inner flaps face each other, and the outer flap is formed in the inner flap. An insertion hole into which the tongue is inserted is formed at a position corresponding to the tongue when the one opening of the body is closed by folding the flap so as to overlap the outer surface of the flap. On the periphery where the insertion hole is formed Laterally inward of the inner flap towards the laterally outwardly of the inner flaps, characterized in that projection projecting to a position overlapping the leading end portion of the inserted the tongue is formed.
本発明の包装箱では、各内フラップの先端縁が対向するように第１折目線に沿って折り曲げ、外フラップを該内フラップの外面に重なるように第２折目線に沿って折り曲げることにより胴部の一方の開口部を閉塞することができる。そして、かかる状態で外フラップを押し下げて胴部の内方に傾斜させると、これに伴い内フラップも胴部の内方に傾斜し、外フラップに形成された舌片が、内フラップの対応する一に形成された挿入孔に差し込まれる。 In the packaging box of the present invention, the inner flap is bent along the first fold line so that the leading edges thereof face each other, and the outer flap is bent along the second fold line so as to overlap the outer surface of the inner flap. One opening of the part can be closed. Then, in this state, when the outer flap is pushed down and tilted inward of the body, the inner flap also tilts inward of the body, and the tongue formed on the outer flap corresponds to the inner flap. It is inserted into the insertion hole formed in one.
次いで、外フラップの押し下げを解除すると、外フラップ及び内フラップは、共に第１・第２折目線の復元弾性により水平に戻る。このとき、前記内フラップの挿入孔が形成された周縁には、該舌片の先端部と重なり合う位置に突部が形成されているため、差込片の先端は該突部に係止される。 Then, when the pushing down of the outer flap is released, the outer flap and the inner flap both return to the horizontal state due to the restoring elasticity of the first and second fold lines. At this time, since a protrusion is formed at the position where it overlaps with the tip of the tongue, the tip of the insertion piece is locked to the protrusion on the periphery of the inner flap where the insertion hole is formed. ..
以上により、本発明の包装箱によれば、閉蓋作業を容易に行うことができる。 As described above, according to the packaging box of the present invention, the lid closing work can be easily performed.
さらに、本発明の包装箱では、舌片が第２側板に対して、第２折目線、外フラップ及び前記第２折目線に沿って延びる第３折目線を順次介して連設されているため、舌片の先端部を第２側板の一端縁に近づく方向に押し込みまたは引っ張ると、外フラップ及び舌片は、側面視「へ」の字状に屈曲される。 Further, in the packaging box of the present invention, the tongue piece is connected to the second side plate sequentially through the second fold line, the outer flap, and the third fold line extending along the second fold line. When the tip portion of the tongue piece is pushed or pulled in the direction approaching the one end edge of the second side plate, the outer flap and the tongue piece are bent in the shape of "V" in a side view.
これにより、舌片の先端縁は、突部よりも内フラップの横方向外方に変位するため、突部から離間して係止状態から解除される。よって、外フラップ及び舌片は、胴部の外方に第２折目線を回動軸として回動できるため、舌片を挿入孔から抜き出しつつ、胴部の一方の開口部を開蓋することができる。 As a result, the tip edge of the tongue is displaced laterally outward of the inner flap rather than the protrusion, so that the tongue is separated from the protrusion and released from the locked state. Therefore, the outer flap and the tongue piece can be rotated outward of the body portion with the second fold line as the rotation axis. Therefore, while opening the tongue piece from the insertion hole, open one opening of the body portion. You can
すなわち、本発明の包装箱によれば、開蓋するために外フラップ及び内フラップを胴部の内方に傾斜させる必要がないため、内容物を傷つけないように気を付けながら、開蓋作業を行う必要が少ない。 That is, according to the packaging box of the present invention, since it is not necessary to incline the outer flap and the inner flap inward of the body to open the lid, the lid opening operation is performed while being careful not to damage the contents. Less need to do.
以上により、本発明の包装箱によれば、開蓋作業を容易に行うことができる。 As described above, according to the packaging box of the present invention, the lid opening operation can be easily performed.
また、本発明の包装箱において、前記内フラップは、該内フラップの基端から先端までの縦方向の長さが前記第２側板の横方向の長さの半分未満に形成されていることが好ましい。 Further, in the packaging box of the present invention, the inner flap is formed so that the length in the vertical direction from the base end to the tip of the inner flap is less than half the length in the lateral direction of the second side plate. preferable.
この構成によれば、内フラップは互いに間隙を存して胴部の上部を覆うため、該間隙から舌片の先端縁に指を引っ掛けて、第２側板の一端縁に近づく方向に引っ張ることができる。よって、より容易に舌片の先端縁を突部から離間させて係止解除できる。 According to this structure, the inner flaps cover the upper part of the body part with a gap therebetween, so that it is possible to hook a finger on the tip edge of the tongue piece from the gap and pull in a direction approaching the one end edge of the second side plate. it can. Therefore, it is possible to more easily separate the tip edge of the tongue from the projection and release the lock.
したがって、この構成を備える包装箱によれば、開蓋作業をより容易に行うことができる。 Therefore, according to the packaging box having this configuration, the lid opening operation can be performed more easily.
また、本発明の包装箱において、前記挿入孔が形成された前記内フラップの周縁には、該内フラップの横方向外方の側縁から横方向内方に向かって突出する係止片が前記第３折目線に沿って延びる第４折目線を介して設けられていることが好ましい。 Further, in the packaging box of the present invention, a locking piece protruding laterally inward from a lateral outer edge of the inner flap is provided at a peripheral edge of the inner flap in which the insertion hole is formed. It is preferably provided via a fourth fold line extending along the third fold line.
この構成によれば、係止片によって舌片は突部に押し付けられるため、舌片と突部との摩擦係合を高めて閉蓋状態をより強固に維持することができる。 According to this configuration, the tongue piece is pressed against the protrusion by the locking piece, so that the frictional engagement between the tongue piece and the protrusion can be increased and the closed state can be more firmly maintained.
その一方で、係止片は、前記第３折目線に沿って延びる第４折目線を介して設けられているため、開蓋作業において、舌片を第３折目線で折り曲げようとすると、これに伴い、その下側に重合されている舌片も第４折目線で折り曲がるため、開蓋作業の容易性を損なわない。 On the other hand, since the locking piece is provided via the fourth fold line extending along the third fold line, if the tongue piece is bent at the third fold line during the lid opening operation, With this, the tongue piece that is overlapped on the lower side is also bent at the fourth fold line, so that the ease of the lid opening operation is not impaired.
また、本発明の包装箱において、前記舌片には、該舌片の側縁に第５折目線を介して連設され、前記舌片を前記挿入孔に挿入したときに該挿入孔の周縁の内表面と対向する位置まで、前記外フラップの横方向に張り出す張出部が設けられていることが好ましい。 Further, in the packaging box of the present invention, the tongue piece is continuously provided on a side edge of the tongue piece through a fifth fold line, and when the tongue piece is inserted into the insertion hole, a peripheral edge of the insertion hole. It is preferable that a projecting portion projecting in the lateral direction of the outer flap is provided up to a position facing the inner surface of the outer flap.
この構成によれば、内フラップ、外フラップの順で折り曲げて胴部の一方の開口部を閉塞した状態で外フラップを押し下げて胴部の内方に傾斜させると、張出部は、挿入孔の開口縁に摺接され相対的に押し込まれることにより、第５折目線で谷折りに折り畳まれるため挿入孔を通過することができる。 According to this configuration, when the inner flap and the outer flap are folded in this order and one opening of the body is closed and the outer flap is pushed down and tilted inward of the body, the overhanging portion is inserted into the insertion hole. By being slidably in contact with the opening edge of and being relatively pushed in, it is folded in a valley fold at the fifth fold line and can therefore pass through the insertion hole.
次いで、挿入孔を通過すると、張出部は第５折目線の復元弾性により舌片に対して平行に戻る。このとき、張出部は、該挿入孔の周縁の内表面と対向する位置まで前記外フラップの横方向に張り出しているものであることから、外フラップ及び内フラップが水平に戻ると、該挿入孔の周縁の内表面に係止される。 Then, when passing through the insertion hole, the overhanging portion returns parallel to the tongue piece due to the restoring elasticity of the fifth fold line. At this time, since the overhanging portion overhangs in the lateral direction of the outer flap to a position facing the inner surface of the peripheral edge of the insertion hole, when the outer flap and the inner flap return horizontally, the insertion It is locked to the inner surface of the periphery of the hole.
よって、この構成を備える包装箱によれば、閉蓋状態をより強固に維持することができる。 Therefore, according to the packaging box having this configuration, the closed state can be maintained more firmly.
その一方で、舌片を挿入孔から抜き出す際には、張出部は、第５折目線で山折りに折り畳まれて挿入孔を通過するため、開蓋作業の容易性を損なわない。 On the other hand, when the tongue piece is pulled out from the insertion hole, the overhang portion is folded in a mountain fold along the fifth fold line and passes through the insertion hole, so that the ease of the lid opening operation is not impaired.
また、前記張出部を備える包装箱においては、前記張出部は、基端から先端に向かって次第に幅狭となるように前記外フラップ側の側縁が傾斜していることが好ましい。 Further, in the packaging box including the overhanging portion, it is preferable that the overhanging portion has a side edge on the outer flap side inclined so that the width gradually narrows from the base end toward the tip.
この構成によれば、開蓋作業において、舌片の先端部を第２側板の一端縁に近づく方向に押し込みまたは引っ張ると、外フラップ及び舌片は側面視「へ」の字状に屈曲されるため、舌片自体は、基端側から徐々に胴部の外方に持ち上げられる。このとき、前記張出部は、基端から先端に向かって次第に幅狭となるように前記外フラップ側の側縁（舌片基端側の側縁）が傾斜しているため、舌片が基端側から持ち上げられるのにしたがい、前記張出部の傾斜した側縁が挿入孔の開口縁に摺接され相対的に押し込まれることにより、第５折目線で容易に山折りに折り畳まれる。 According to this configuration, when the tip end portion of the tongue piece is pushed or pulled in the direction approaching the one end edge of the second side plate in the lid opening operation, the outer flap and the tongue piece are bent in a "V" shape in a side view. Therefore, the tongue piece itself is gradually lifted to the outside of the trunk from the base end side. At this time, since the side edge of the outer flap side (side edge of the tongue base end side) of the overhanging portion is gradually narrowed from the base end toward the tip, the tongue piece is As it is lifted from the base end side, the slanted side edge of the projecting portion is slidably contacted with the opening edge of the insertion hole and relatively pushed in, so that it is easily folded into a mountain fold at the fifth fold line.
よって、この構成を備える包装箱によれば、張出部を設けた包装箱の開蓋作業をより容易に行うことができる。 Therefore, according to the packaging box having this configuration, it is possible to more easily perform the lid opening operation of the packaging box provided with the overhang portion.
本実施形態の包装箱１は、図１に示すように、角筒状の胴部２と、該胴部２の上端を閉蓋する天部３と、該胴部２の下端を閉塞する底部４とによって直方体状に形成され、閉蓋状態で天部３の中央部が開放されて野菜等の包装に好適な形状を有している。 As shown in FIG. 1, the packaging box 1 of the present embodiment includes a rectangular tubular body 2, a top 3 that closes the upper end of the body 2, and a bottom that closes the lower end of the body 2. 4 has a rectangular parallelepiped shape, and in the closed state, the central portion of the top portion 3 is open and has a shape suitable for packaging vegetables and the like.
包装箱１は、図２に示すように、打抜き形成された段ボール板紙１０から組み立てられる。 As shown in FIG. 2, the packaging box 1 is assembled from a corrugated paperboard board 10 formed by punching.
包装箱１は、一対の第１側板２１と一対の第２側板２２とが夫々胴部折目線ａを介して交互に連設されている。各側板２１，２２は、夫々胴部折目線ａに沿って折り曲げられ、次いで、一方の第１側板２１の端縁に連設された接着片２３が一方の第２側板２２の端部に接着されて前記胴部２（図１参照）を形成する。 In the packaging box 1, a pair of first side plates 21 and a pair of second side plates 22 are alternately arranged via a body fold line a. Each of the side plates 21 and 22 is bent along the body fold line a, and then the adhesive piece 23 continuously provided on the edge of the one first side plate 21 is adhered to the end of the one second side plate 22. Then, the body 2 (see FIG. 1) is formed.
また、各第１側板２１の下端縁には下部外フラップ４１が第１下部折目線ｂを介して連設されている。また、各第２側板２２の下端縁には下部内フラップ４２が第２下部折目線ｃを介して連設されている。各下部フラップ４１，４２は各下部折目線ｂ，ｃに沿って水平に折り曲げられて前記底部４（図１参照）を形成する。 Further, a lower outer flap 41 is continuously provided on the lower end edge of each first side plate 21 via a first lower fold line b. Further, a lower inner flap 42 is continuously provided on the lower end edge of each second side plate 22 via a second lower fold line c. Each lower flap 41, 42 is horizontally folded along each lower fold line b, c to form the bottom portion 4 (see FIG. 1).
次に、本発明に係る本実施形態の前記天部３の構成を詳しく説明する。 Next, the configuration of the top portion 3 of the present embodiment according to the present invention will be described in detail.
図２に示すように、各第１側板２１の上端縁には第１上部折目線ｄ（本発明の第１折目線に相当。）を介して上部内フラップ３１が連設されており、各第２側板２２には第２上部折目線ｅ（本発明の第２折目線に相当。）を介して上部外フラップ３２が連設されている。 As shown in FIG. 2, an upper inner flap 31 is continuously provided on the upper edge of each first side plate 21 via a first upper fold line d (corresponding to the first fold line of the present invention). An upper outer flap 32 is connected to the second side plate 22 via a second upper fold line e (corresponding to the second fold line of the present invention).
上部内フラップ３１は、左右方向の中央部が略逆台形状に切り欠かれた概略凹形状に形成されている。上部内フラップは、少なくとも左右方向の中央部が、縦方向の長さが前記第２側板の横方向の長さの半分未満に形成されているため、上述したように、閉蓋状態で天部３の中央部が開放される。 The upper inner flap 31 is formed in a generally concave shape in which the center portion in the left-right direction is cut out in a substantially inverted trapezoidal shape. Since at least the center portion in the left-right direction is formed so that the length in the vertical direction is less than half the length in the horizontal direction of the second side plate, the upper inner flap has the top portion in the closed state as described above. The central part of 3 is opened.
上部内フラップ３１の先端側の左右には、隣接する各側縁から所定の距離離間した位置に、該上部内フラップ３１の先端縁から基端に向かって第１上部折目線ｄに直交する方向に延びる係止折目線ｆ（本発明の第４折目線に相当。）が形成されている。 To the left and right of the tip side of the upper inner flap 31, at a position separated from each adjacent side edge by a predetermined distance, a direction orthogonal to the first upper fold line d from the tip edge of the upper inner flap 31 toward the base end. A locking fold line f (corresponding to the fourth fold line of the present invention) extending to the is formed.
また、該係止折目線ｆの先端は、上部内フラップ３１の横方向内方に延びてから先端縁に向かってＬ字状に湾曲するように形成されたＬ字状切込３３に接続されている。 Further, the tip of the locking fold line f is connected to an L-shaped cut 33 formed so as to extend inward in the lateral direction of the upper inner flap 31 and then curve in an L shape toward the tip edge. ing.
上部内フラップ３１のうち、係止折目線ｆとＬ字状切込３３と上部内フラップ３１の先端縁とで囲まれた領域が係止片３４であって、この係止片３４を係止折目線ｆで胴部２の内方に押し込んで開口させることで、上部内フラップ３１に本発明の挿入孔３４ａが形成される。また、このときＬ字状切込３３は鋭角に湾曲しているため、挿入孔３４ａを開口させたとき、Ｌ字状切込３３で切り欠かれた上部内フラップ３１の周縁先端側には、該上部内フラップ３１の横方向内方から外方に向かって突出する突部３１ａが形成されている。突部３１ａは、図３に示すように、水平に折り曲げた上部内フラップ３１の外表面に上部外フラップ３２を重なるように折り曲げたときに、舌片３５の先端部に重なる位置まで突出するよう形成されている。 In the upper inner flap 31, a region surrounded by the locking fold line f, the L-shaped notch 33, and the leading edge of the upper inner flap 31 is a locking piece 34, and the locking piece 34 is locked. The insertion hole 34a of the present invention is formed in the upper inner flap 31 by pushing the fold line f inwardly into the body 2 to open it. In addition, at this time, since the L-shaped cut 33 is curved at an acute angle, when the insertion hole 34a is opened, on the peripheral edge tip side of the upper inner flap 31 cut out by the L-shaped cut 33, A protrusion 31 a is formed so as to protrude outward from the inner side of the upper inner flap 31 in the lateral direction. As shown in FIG. 3, when the projection 31a is folded so that the upper outer flap 32 overlaps the outer surface of the upper inner flap 31 that is bent horizontally, the projection 31a projects to a position where it overlaps the tip of the tongue piece 35. Has been formed.
上部外フラップ３２は、図２に示すように、第２側板２２側の基端から先端に向かって次第に幅狭となるように両側縁が約４５°の角度で傾斜する略台形状に形成されている。 As shown in FIG. 2, the upper outer flap 32 is formed in a substantially trapezoidal shape in which both side edges are inclined at an angle of about 45 ° so that the width gradually narrows from the base end on the second side plate 22 side toward the tip. ing.
また、上部外フラップ３２の先端縁には、第２上部折目線ｅに沿って平行に延びる舌片折目線ｇ（本発明の第３折目線に相当。）を介して略矩形状の舌片３５が連設されている。舌片折目線ｇ及び舌片３５は、図３に示すように、水平に折り曲げた上部内フラップ３１の外表面に上部外フラップ３２を重なるように折り曲げたときに、係止折目線ｆ及び係止片３４に対応する位置に夫々形成されている。 In addition, a tongue piece having a substantially rectangular shape is provided at a tip edge of the upper outer flap 32 via a tongue piece fold line g (corresponding to a third fold line of the present invention) extending in parallel along the second upper fold line e. 35 are arranged in series. The tongue piece fold line g and the tongue piece 35, as shown in FIG. 3, when the upper outer flap 32 is folded so as to overlap the outer surface of the horizontally folded upper inner flap 31, They are formed at positions corresponding to the stoppers 34, respectively.
舌片３５の先端縁の中央部には、略半円状に凹んだ指掛部３５ａが形成されている。 At the center of the tip edge of the tongue piece 35, a finger hook portion 35a that is recessed in a substantially semicircular shape is formed.
また、上部外フラップ３２の両側縁には、揺動折目線ｈ（本発明の第５折目線に相当。）を介して、該上部外フラップ３２の横方向の外方に張り出す張出部３６が夫々設けられている。張出部３６は、略直角三角形状であり、第２側板２２側の基端から先端に向かって次第に幅広となるように側縁が傾斜する傾斜縁３６ａを夫々有する。 In addition, overhanging fold lines h (corresponding to the fifth fold line of the present invention) are formed on both side edges of the upper outer flap 32 so as to project outward in the lateral direction of the upper outer flap 32. 36 are provided respectively. The overhanging portions 36 have a substantially right-angled triangular shape, and each has an inclined edge 36a whose side edge is inclined so as to gradually widen from the base end on the second side plate 22 side toward the tip.
張出部３６の揺動折目線ｈは、図３に示すように、水平に折り曲げた上部内フラップ３１の外表面に上部外フラップ３２を重なるように折り曲げたときに、Ｌ字状切込３３のうち第１上部折目線ｄと平行に延びる箇所に対応する位置に形成され、張出部３６自体は、上部内フラップ３１の外表面に重ねられている。 As shown in FIG. 3, the swing fold line h of the overhanging portion 36 is defined by an L-shaped cut 33 when the upper outer flap 32 is folded so as to overlap the outer surface of the horizontally folded upper inner flap 31. It is formed at a position corresponding to a portion extending parallel to the first upper fold line d, and the overhanging portion 36 itself is overlapped with the outer surface of the upper inner flap 31.
次に、以上の構成からなる包装箱１の閉蓋作業について説明する。 Next, the work of closing the packaging box 1 having the above-described configuration will be described.
本実施形態の包装箱１は、前記接着片２３により一方の第１側板２１の端縁と一方の第２側板２２の端部とを連結して角筒状の胴部２を形成し、底部４を形成しない状態（下部外フラップ４１と下部内フラップ４２によって閉塞しない状態）で、野菜等の内容物を収容するに先立って閉蓋作業を行う。 In the packaging box 1 of the present embodiment, the edge portion of the one first side plate 21 and the end portion of the one second side plate 22 are connected by the adhesive piece 23 to form the rectangular tubular body portion 2, and the bottom portion is formed. In a state where 4 is not formed (a state where the lower outer flap 41 and the lower inner flap 42 do not close), the lid closing operation is performed prior to accommodating the contents such as vegetables.
まず、図３に示すように、上部内フラップ３１を第１側板２１に対して直角となるように第１上部折目線ｄに沿って内方に折り曲げる。次いで、上部外フラップ３２を第２側板２２に対して直角となるように第２上部折目線ｅに沿って内方に折り曲げる。これにより、各上部内フラップ３１の外表面に各上部外フラップ３２の内表面が重合する。 First, as shown in FIG. 3, the upper inner flap 31 is bent inward along the first upper fold line d so as to be perpendicular to the first side plate 21. Next, the upper outer flap 32 is bent inward along the second upper fold line e so as to be perpendicular to the second side plate 22. As a result, the inner surface of each upper outer flap 32 is superposed on the outer surface of each upper inner flap 31.
続いて、舌片３５を押下することで、上部外フラップ３２を第２側板２２に対して鋭角となるように更に押し下げ、第２上部折目線ｅを介して胴部内方に傾斜させる。これに伴って、上部内フラップ３１が上部外フラップ３２の押し下げ力により第１上部折目線ｄを介して胴部内方に傾斜する。 Then, by pressing the tongue piece 35, the upper outer flap 32 is further pushed down so as to form an acute angle with respect to the second side plate 22, and is tilted inwardly of the trunk through the second upper fold line e. Along with this, the upper inner flap 31 is tilted inwardly of the body via the first upper fold line d by the pressing force of the upper outer flap 32.
このとき、張出部３６は、上部内フラップ３１のＬ字状切込３３の周辺に押し付けられて、舌片３５に対して揺動折目線ｈで谷折りされる。これとともに、舌片３５の先端縁が、係止片３４の先端縁よりも基端側に相対的に移動すると、一対の係止片３４が舌片３５の押し下げ力により係止折目線ｆを介して山折りされ、挿入孔３４ａが開口される。そして、舌片３５は、張出部３６が折り畳まれた状態で、該挿入孔３４ａを通過して上部内フラップ３１に内表面側に差し込まれる。 At this time, the overhang portion 36 is pressed around the L-shaped cut 33 of the upper inner flap 31 and is valley-folded with respect to the tongue piece 35 at the swing fold line h. Along with this, when the tip edge of the tongue piece 35 moves relatively to the base end side relative to the tip edge of the locking piece 34, the pair of locking pieces 34 press the locking fold line f by the pushing down force of the tongue piece 35. It is mountain-folded and the insertion hole 34a is opened. Then, the tongue piece 35 is inserted into the upper inner flap 31 on the inner surface side through the insertion hole 34a in a state where the protruding portion 36 is folded.
次いで、舌片３５の押し下げを解除する。これによって、図５に示すように、上部外フラップ３２と上部内フラップ３１とは、共に第２上部折目線ｅ及び第１上部折目線ｄにおける復元弾性により水平に戻る。また、張出部３６は、揺動折目線ｈにおける復元弾性により舌片３５と平行に戻り、係止片３４は、係止折目線ｆにおける復元弾性により水平方向に戻ろうとする。 Then, the pushing down of the tongue piece 35 is released. As a result, as shown in FIG. 5, the upper outer flap 32 and the upper inner flap 31 both return to the horizontal state due to the restoring elasticity at the second upper fold line e and the first upper fold line d. Further, the projecting portion 36 returns in parallel with the tongue piece 35 due to the restoring elasticity at the swinging fold line h, and the locking piece 34 tries to return in the horizontal direction due to the restoring elasticity at the locking fold line f.
これにより、張出部３６は、第２上部折目線ｅにおける復元弾性により上部内フラップ３１の内表面に押し付けられ係止される。さらに、係止片３４が水平方向に戻ろうとして舌片３５を上方に押し上げようとすることで、舌片３５及び張出部３６は、上部内フラップ３１の内表面及び係止片３４の外表面によって挟持される。 As a result, the overhanging portion 36 is pressed and locked to the inner surface of the upper inner flap 31 by the restoring elasticity at the second upper fold line e. Further, the tongue piece 35 and the overhanging portion 36 are moved toward the inner surface of the upper inner flap 31 and the outside of the engaging piece 34 by pushing the tongue piece 35 upward as the engaging piece 34 tries to return in the horizontal direction. It is pinched by the surface.
したがって、張出部３６の挿入孔３４ａからの抜け出しが規制され、上部内フラップ３１と上部外フラップ３２との開蓋方向の回動を阻止することができる。以上説明したとおり、本実施形態の包装箱１は、その閉蓋作業を極めて容易に行うことができるとともに、強固に閉蓋することができる。 Therefore, the protrusion of the overhanging portion 36 from the insertion hole 34a is restricted, and the rotation of the upper inner flap 31 and the upper outer flap 32 in the lid opening direction can be prevented. As described above, the packaging box 1 of the present embodiment can perform the lid closing operation very easily and can firmly close the lid.
その後、天部３が閉蓋された胴部２内に内容物の収容作業を行う。即ち、図示しないが、天部３が閉蓋された胴部２を天地反転させて、開放された底部側から野菜等の内容物を投入し、各下部フラップ４１，４２を下部折目線ｂ，ｃに沿って水平に折り曲げて閉塞された底部４（図１参照）を形成する。そして、各下部フラップ４１，４２をステープルや接着テープを用いて封緘し、胴部２を反転させて天部３を上方に向けることにより内容物の収容作業が完了する。 After that, the contents are stored in the body 2 with the top 3 closed. That is, although not shown, the body 2 with the top 3 closed is turned upside down, contents such as vegetables are put in from the opened bottom side, and the lower flaps 41 and 42 are connected to the lower fold lines b, Form a closed bottom portion 4 (see FIG. 1) by folding it horizontally along c. Then, the lower flaps 41, 42 are sealed with staples or adhesive tape, the body portion 2 is inverted, and the top portion 3 is directed upward, whereby the work of storing the contents is completed.
次に、包装箱１の開蓋作業について説明する。 Next, the opening operation of the packaging box 1 will be described.
まず、各舌片３５の指掛部３５ａに手指をかけ、隣接する第２側板２２の上方に向かって斜め上に引っ張る。 First, a finger is put on the finger hook portion 35a of each tongue piece 35, and is pulled obliquely upward toward the upper side of the adjacent second side plate 22.
これにより、図６に示すように、舌片３５及び上部外フラップ３２は、舌片折目線ｇ及び第２上部折目線ｅで夫々山折りされ、側面視で概略「へ」の字状に屈曲される。 As a result, as shown in FIG. 6, the tongue piece 35 and the upper outer flap 32 are mountain-folded at the tongue piece fold line g and the second upper fold line e, respectively, and are bent in the shape of an approximate "he" in a side view. To be done.
これを個別にみると、上部外フラップ３２は、第２側板２２に対して平行となる方向に第２上部折目線ｅを回動軸として回動され、徐々に上部内フラップ３１から離間していく。また、これに伴い、上部外フラップ３２に連設された舌片３５も基端側から徐々に上部内フラップ３１から離間していく。 When viewed individually, the upper outer flap 32 is rotated about the second upper fold line e in the direction parallel to the second side plate 22, and is gradually separated from the upper inner flap 31. Go Along with this, the tongue piece 35 that is continuously provided on the upper outer flap 32 is also gradually separated from the upper inner flap 31 from the base end side.
これにより、舌片３５に対しては、上部内フラップ３１によって形成された挿入孔３４ａから引き抜こうとする力が働く。このとき、舌片３５に連設された張出部３６には、第２側板２２側の基端から先端に向かって次第に幅広となる傾斜縁３６ａが設けられているため、舌片３５を基端側から挿入孔３４ａから引き抜こうとすると、該傾斜縁３６ａが挿入孔３４ａを画定するＬ字状切込３３の周縁に対して斜めに接した状態で強くけん引されるため、張出部３６は舌片３５に対して揺動折目線ｈで山折りされる。 As a result, a force to pull out the tongue piece 35 from the insertion hole 34a formed by the upper inner flap 31 acts. At this time, since the projecting portion 36 connected to the tongue piece 35 is provided with the inclined edge 36a that gradually widens from the base end on the second side plate 22 side toward the tip, the tongue piece 35 is formed as a base. When attempting to pull out from the insertion hole 34a from the end side, the inclined edge 36a is strongly towed in a state of obliquely contacting the peripheral edge of the L-shaped cut 33 that defines the insertion hole 34a, so that the overhanging portion 36 is The tongue piece 35 is mountain-folded at the swing fold line h.
これにより、舌片３５は、張出部３６が折り畳まれた状態で、該挿入孔３４ａを通過して胴部外方に引き抜かれ、張出部３６による挿入孔３４ａからの抜け出し規制が解除されるため、天部３を開蓋することができる。 As a result, the tongue piece 35 is pulled out to the outside of the body through the insertion hole 34a in the state where the overhanging portion 36 is folded, and the restriction of the tongue piece 35 coming out of the insertion hole 34a by the overhanging portion 36 is released. Therefore, the top part 3 can be opened.
以上説明したとおり、本実施形態の包装箱１では、開蓋作業において、閉蓋作業時のように、上部外フラップ３２及び上部内フラップ３１を胴部内方に傾斜させる必要がないため、上部外フラップ３２及び上部内フラップ３１が野菜等の内容物を傷つける心配がない。よって、本実施形態の包装箱１によれば、開蓋作業を極めて容易に行うことができる。 As described above, in the packaging box 1 of the present embodiment, in the lid opening work, it is not necessary to incline the upper outer flap 32 and the upper inner flap 31 inward as in the lid closing work. There is no concern that the flap 32 and the upper inner flap 31 will damage contents such as vegetables. Therefore, according to the packaging box 1 of the present embodiment, the lid opening work can be performed extremely easily.
以下、本実施形態の変形例を説明する。 Hereinafter, modified examples of the present embodiment will be described.
本実施形態では、挿入孔３４ａを封止する係止片３４が形成されているが、係止片３４は省略してもよく、当初から挿入孔３４ａが開口していてもよい。 In this embodiment, the locking piece 34 that seals the insertion hole 34a is formed, but the locking piece 34 may be omitted, or the insertion hole 34a may be opened from the beginning.
本実施形態では、突部３１ａとして、該上部内フラップ３１の横方向内方から外方に向かって突出したものを例に説明したが、本発明はこれに限られない。すなわち、突部３１ａは、水平に折り曲げた上部内フラップ３１の外表面に上部外フラップ３２を重なるように折り曲げたときに、舌片３５の先端部に重なる位置に上部内フラップ３１（挿入孔３４ａを除く領域）が存在すればよいため、形状は凸状に限られず、第１上部折目線ｄと直交する方向に平行に延びるものであってもよい。 In the present embodiment, the protrusion 31a has been described as an example that protrudes outward from the inner side of the upper inner flap 31 in the lateral direction, but the present invention is not limited to this. That is, when the projection 31a is bent so that the outer surface of the upper inner flap 31 that is bent horizontally is overlapped with the outer surface of the upper inner flap 31, the projection 31a is located at a position that overlaps the tip of the tongue piece 35 (the insertion hole 34a. However, the shape is not limited to a convex shape, and may extend in parallel to the direction orthogonal to the first upper fold line d.
本実施形態では、舌片折目線ｇ及び舌片３５は、係止折目線ｆ及び係止片３４に対応する位置に夫々形成されているものを例に説明したが、本発明は段ボール板紙等の弾性を備えた材料で形成されるため、位置が完全に一致している必要はなく、押し込む力などが伝達する程度に近傍に配置されていればよい。 In the present embodiment, the tongue piece fold line g and the tongue piece 35 have been described as an example in which the tongue piece fold line g and the tongue piece 35 are formed at positions corresponding to the locking fold line f and the locking piece 34, respectively. Since it is formed of a material having elasticity, it is not necessary that the positions are completely coincident with each other, and it is sufficient that the positions are close to each other so that a pushing force or the like is transmitted.
本実施形態では、舌片３５に揺動可能な張出部３６を備えたものを例に説明したが、本発明はこれに限られず、張出部３６は省略してもよく、また、舌片３５自体の横幅を、挿入孔３４ａの第２側板に沿う方向の幅以上にすることもできる。 In this embodiment, the tongue piece 35 is described as an example in which the tongue piece 35 is provided with the swingable overhang portion 36, but the present invention is not limited to this, and the overhang portion 36 may be omitted. The lateral width of the piece 35 itself can be made larger than the width of the insertion hole 34a in the direction along the second side plate.
１ 包装箱
２ 胴部
２１ 第１側板
２２ 第２側板
３１ 内フラップ（上部内フラップ）
３１ａ 突部
３２ 外フラップ（上部外フラップ）
３４ 係止片
３４ａ 挿入孔
３５ 舌片
３６ 張出部
ｄ 第１折目線（第１上部折目線）
ｅ 第２折目線（第２上部折目線）
ｇ 第３折目線（舌片折目線）
ｆ 第４折目線（係止折目線）
ｈ 第５折目線（揺動折目線）
1 Packaging Box 2 Body 21 First Side Plate 22 Second Side Plate 31 Inner Flap (Upper Inner Flap)
31a protrusion 32 outer flap (upper outer flap)
34 Locking piece 34a Insertion hole 35 Tongue piece 36 Overhanging part d First fold line (first upper fold line)
e Second fold line (second upper fold line)
g Third fold line (tongue fold line)
f 4th fold line (locking fold line)
h Fifth fold line (swing fold line)
Claims (5)
各第１側板の一端縁に第１折目線を介して連設された内フラップと、
各第２側板の一端縁に第２折目線を介して連設された外フラップとを備える包装箱において、
前記外フラップの先端部には、前記第２折目線に沿って延びる第３折目線を介して先方へ突出する舌片が設けられ、
前記内フラップには、該内フラップの先端縁が互いに対向するように折り曲げるとともに前記外フラップを該内フラップの外面に重なるように折り曲げることにより前記胴部の一方の開口部を閉塞したときの前記舌片と対応する位置に、該舌片が挿入される挿入孔が形成され、
前記内フラップの前記挿入孔が形成された周縁には、該内フラップの横方向内方から該内フラップの横方向外方に向かって、前記挿入された前記舌片の先端部と重なり合う位置まで突出する突部が形成されていることを特徴とする包装箱。 A prismatic tubular body formed by a pair of first side plates facing each other and a pair of second side plates facing each other;
An inner flap continuous to one end edge of each first side plate through a first fold line;
In a packaging box provided with an outer flap continuously provided to one end edge of each second side plate through a second fold line,
A tongue piece that protrudes forward through a third fold line extending along the second fold line is provided at a tip end portion of the outer flap,
The inner flap is bent so that the leading edges of the inner flap face each other, and the outer flap is folded so as to overlap the outer surface of the inner flap, thereby closing one opening of the trunk. An insertion hole for inserting the tongue is formed at a position corresponding to the tongue,
In the peripheral edge of the inner flap where the insertion hole is formed, from the inner side in the lateral direction of the inner flap to the outer side in the lateral direction of the inner flap, to a position where the tip end portion of the inserted tongue overlaps. A packaging box characterized in that a protruding portion is formed.
前記内フラップは、該内フラップの基端から先端までの縦方向の長さが前記第２側板の横方向の長さの半分未満に形成されていることを特徴とする包装箱。 The packaging box according to claim 1,
The packaging box, wherein the inner flap is formed so that the length in the vertical direction from the base end to the tip of the inner flap is less than half the length in the lateral direction of the second side plate.
前記挿入孔が形成された前記内フラップの周縁には、該内フラップの横方向外方の側縁から横方向内方に向かって突出する係止片が前記第３折目線に沿って延びる第４折目線を介して設けられていることを特徴とする包装箱。 The packaging box according to claim 1 or 2,
A locking piece protruding laterally inward from a lateral side edge of the inner flap laterally inwardly extends along the third fold line at a peripheral edge of the inner flap in which the insertion hole is formed. A packaging box, characterized in that it is provided through a four-fold line.
前記舌片には、該舌片の側縁に第５折目線を介して連設され、前記舌片を前記挿入孔に挿入したときに該挿入孔の周縁の内表面と対向する位置まで、前記外フラップの横方向に張り出す張出部が設けられていることを特徴とする包装箱。 The packaging box according to any one of claims 1 to 3,
The tongue piece is continuously provided on a side edge of the tongue piece through a fifth fold line, and when the tongue piece is inserted into the insertion hole, a position facing an inner surface of a peripheral edge of the insertion hole, A packaging box provided with a projecting portion projecting laterally of the outer flap.
前記張出部は、基端から先端に向かって次第に幅狭となるように前記外フラップ側の側縁が傾斜していることを特徴とする包装箱。 The packaging box according to claim 4,
The packaging box is characterized in that a side edge on the outer flap side is inclined so that the overhanging portion is gradually narrowed from a base end toward a tip.
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| JP2018205698A JP7203571B2 (en) | 2018-10-31 | 2018-10-31 | packaging box |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5377717U (en) * | 1976-11-29 | 1978-06-28 | ||
| JPS6099212U (en) * | 1983-12-09 | 1985-07-06 | シャープ株式会社 | Packaging box sealing device |
| JPH072245A (en) * | 1993-03-08 | 1995-01-06 | Kataoka Bussan Kk | Rubbish bin |
| JP2003026145A (en) * | 2001-07-23 | 2003-01-29 | Yuji Yoshikawa | Bottom lock of corrugated fiberboard case |
| JP3124032U (en) * | 2006-05-24 | 2006-08-03 | 有限会社鵜沢園芸 | Cardboard box for packing |
| JP2008120423A (en) * | 2006-11-13 | 2008-05-29 | Tomoku Co Ltd | Packaging box |
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2018
- 2018-10-31 JP JP2018205698A patent/JP7203571B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5377717U (en) * | 1976-11-29 | 1978-06-28 | ||
| JPS6099212U (en) * | 1983-12-09 | 1985-07-06 | シャープ株式会社 | Packaging box sealing device |
| JPH072245A (en) * | 1993-03-08 | 1995-01-06 | Kataoka Bussan Kk | Rubbish bin |
| JP2003026145A (en) * | 2001-07-23 | 2003-01-29 | Yuji Yoshikawa | Bottom lock of corrugated fiberboard case |
| JP3124032U (en) * | 2006-05-24 | 2006-08-03 | 有限会社鵜沢園芸 | Cardboard box for packing |
| JP2008120423A (en) * | 2006-11-13 | 2008-05-29 | Tomoku Co Ltd | Packaging box |
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