JP6739909B2 - Packaging box - Google Patents

Description

The present invention relates to a packaging box in which an opening of a box body is closed by an outer lid piece and an inner lid piece, and a resealable insertion piece is provided after opening.

2. Description of the Related Art Conventionally, as a packaging box for accommodating and transporting a contained item and displaying it in a store, there is a three-dimensionally assembled box-forming piece integrally punched from a blank sheet. As one form of such a packaging box, there is a seal end carton type in which the outer lid piece and the inner lid piece are overlapped and glued to close the opening of the box body. Some have a function to make them resealable after they are done.

For example, the planar re-sealing lid disclosed in Patent Document 1 is provided with a front-side folded piece from the upper edge of the facing side plate, and a back-side folded piece that is superposed on the back surface of the front-side folded piece. A locking piece is provided on the front-side folded piece. Then, the locking piece provided on the front-side folded back piece is resealed by being locked to the edge of the back-side folded-back piece.

In the packaging box with resealing function disclosed in Patent Document 2, the inner lid flap and the outer lid flap are respectively extended from the upper edges of the facing side plates, and the inner lid flap is formed with a inserting piece by cutting. A knob is connected to the tip of the inner lid flap. An insertion hole is formed in the outer lid flap, a lateral tear band sandwiched by the score line is provided on the tip side of the outer lid flap, and the outer lid flap is attached to the inner lid flap on the tip side of the tear band. Seal it. Then, the tear band is torn and the outer lid flap is cut to open it, and the insertion piece of the inner lid flap is inserted into the insertion hole of the outer lid flap for resealing.

In the packaging box disclosed in Patent Document 3, an inner lid piece and an outer lid piece extend from upper edges of facing side plates, respectively, and an inner lid piece is separated by a crease line at a tip portion of the inner lid piece. A resealing piece is provided at the tip of the inner lid piece and is divided by folding lines. A cut line for opening is provided between the inner lid piece and the side plate, and is provided so as to be separable by opening. In the assembled state, the inner lid piece is folded and glued on the inner lid piece, and the outer lid piece is glued on the outer side of the inner lid piece and packaged. When opening, the cut line for opening is broken, and the outer lid piece is opened with the inner lid piece glued. At the time of resealing, a resealing piece continuous with the outer lid piece is inserted into the open end.

JP-A-8-192836 JP, 2006-76641, A JP 2012-171677 A

In Patent Document 1 of the background art described above, since the locking piece is formed in the front side folded piece by the locking cut, the locking piece separates from the front side folded piece when resealed, and a slight opening is formed in the front side folded piece. Parts are formed. For this reason, foreign matter such as dust may enter through the opening even when resealing, and the sealing is not sufficient. In addition, since there is no place to pinch when resealing and when reopening from the resealed state, the operation is difficult. Furthermore, since the locking piece is small, it is difficult to insert.

Also in Patent Document 2, since the insertion piece is formed by cutting in the inner lid flap, the insertion piece separates from the inner lid flap when resealed, and a slight opening is formed in the inner lid flap. To be done. For this reason, foreign matter such as dust may enter through the opening even during resealing, and the sealing is not sufficient as in Patent Document 1. Further, the knob portion has a laterally long shape, which is difficult to hold when resealing and when reopening from the resealed state, and the insertion piece is small, so that the operability is not good as in Patent Document 1. Is.

In the case of Patent Document 3, a large paper area is required for the box-forming piece, which is costly. In addition, a special gluing method is required to form the box body, which is also costly.

The present invention has been made in view of the problems of the background art described above, is made by a simple assembly method, can be easily resealed and unsealed, and is reliably sealed when resealed. The purpose is to provide a packaging box.

The present invention is composed of a box-forming piece of a single blank sheet, and has a side surface assembled into a cylinder and an opening end above the cylinder provided on one of the side surfaces separated by a crease line. A package in which an outer upper lid piece is closed, and an inner upper lid piece is provided on a side surface parallel to the side surface on which the outer upper lid piece is provided, separated by a crease line, and overlapped with a back surface of the outer upper lid piece. It is a box. The inner upper lid piece, the gluing unit which is glued to the outer upper lid piece is provided, the gluing unit, the folding border between the inner upper lid piece and the side in which the inner upper lid piece is provided toward formed surrounded by open score line formed on the inner upper lid piece inside it, to the side of the inner upper lid piece is provided, the breaking open of separating the inner upper lid piece from the side surface A line is provided, and at the time of opening, the breaking line for opening is separated and the inner upper lid piece is opened in a state of being glued to the outer upper lid piece. When resealing, the peripheral portion of the inner upper lid piece that is separated from the glued portion by the cut line is removed from the outer upper lid piece, and the inner upper lid piece has a hinge on the side where the cut line is opened. Then, it becomes an insertion piece which is connected to the outer upper lid piece and is inserted into the back surface of the cylindrical body to be resealed.

The score lines surrounding the gluing unit, between the and the straight line parallel to the folding border, the inner upper lid piece and continuous the side on the straight line between the inner lid piece and the side surface It is formed in a U shape along a pair of legs that reach the fold line.

Portion along said parallel straight lines to the folding borders of the cut line is formed in all cut line passing through the paper thickness, the portion along the pair of legs about half of the sheet of thickness from the surface side It is formed by the cut front half-cut line.

Further, a recess is provided in the center of the end of the inner upper lid piece opposite to the side surface, and both sides of the recess are formed by arcs that bulge outward, so that two waves form a continuous waveform. There is.

The breaking line for opening is formed by an arc that bulges in a direction away from the end where the inner upper lid piece is provided, and the semicircular portion surrounded by the breaking line for opening and the end of the side surface is, It serves as a gripping portion that is held when the packaging box is opened and resealed.

The outer upper lid piece is provided with a fold curve substantially parallel to the crease line at a position near the end on the side opposite to the crease line between the side surface.

The packaging box of the present invention is manufactured by a simple assembling method, and can be easily resealed and opened. Furthermore, a large insert piece and a knob can be provided with a box-forming piece having a relatively small paper area. The paper area of the box forming piece and the assembling method are the same as those of the conventional sealed end carton type packaging box having no resealing function, and can be packaged by the existing packaging machine. Further, since the insertion piece has a large area, it can be reliably sealed when it is resealed. Moreover, since the area of the picking portion is large, the picking portion can be easily held and easily operated during resealing and opening operations.

It is the perspective view (a) which shows the opened state of the packaging box of one Embodiment of this invention, and the perspective view (b) which shows the process of resealing. It is a perspective view showing the state where the packaging box of one embodiment of the present invention was resealed. It is a perspective view of the packaging box of one embodiment of the present invention. It is a development view of the packaging box of one embodiment of this invention. A front view (a) showing a state in which the inner upper lid piece is attached to the outer upper lid piece when the packaging box of one embodiment of the present invention is opened, and a state in which the inner upper lid piece is peeled from the outer upper lid piece. It is the front view (b) shown.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 to 4 show an embodiment of the present invention. A packaging box 10 of this embodiment is obtained by assembling a box forming piece 12 formed by punching out a blank sheet of paper or the like. It is provided.

FIG. 4 is a development view of the box body forming piece 12 as seen from the front surface. The box body forming piece 12 is formed by connecting side surfaces 14, 16, 18, and 20 in parallel with each other. The side surfaces 14, 16, 18, and 20 have the same length in the width direction orthogonal to the connecting direction, and the lengths in the connecting direction orthogonal to the side surfaces 14 and 18 are short and equal to each other. 20 is a little long and almost equal to each other. At the side edge portion of the side surface 20, a gluing piece 22 that is glued to the back surface of the side surface 14 in the assembled state of the packaging box 10 is provided. The side surfaces 14, 16, 18, 20 and the glued piece 22 are separated by crease lines 24, 26, 28, 30 respectively.

A small trapezoidal flap 32 is provided at one end of the side surface 14 in a direction perpendicular to the direction in which the side surfaces are connected to each other, separated by a crease line 34. A flap 36 having the same shape as the flap 32 is provided at the end of the side surface 14 on the side opposite to the crease line 34, separated by a crease line 38.

At the end of the side surface 16 adjacent to the crease line 34 of the side surface 14, a rectangular outer upper lid piece 40 is provided separated by a crease line 42. The outer upper lid piece 40 has substantially the same size as the opening at the end of the tubular body formed by assembling the side surfaces 14, 16, 18, 20 in the assembled state of the packaging box 10. The outer upper lid piece 40 is provided with a folding curve 41 substantially parallel to the folding ruled line 42 at a position near the end 40a on the opposite side of the folding ruled line 42. An outer bottom lid piece 44, which has the same shape as the outer upper lid piece 40, is provided at an end portion of the side surface 16 on the opposite side of the crease line 42, separated by a fold line 46.

A trapezoidal flap 48 is provided at an end portion of the side surface 18 adjacent to the crease line 42 of the side surface 16 separated by a crease line 50. A flap 52 having the same shape as the flap 48 is provided at the end of the side surface 18 on the side opposite to the crease line 50, separated by a crease line 54.

A trapezoidal inner upper lid piece 56 smaller than the outer upper lid piece 40 is provided at an end portion of the side surface 20 adjacent to the crease line 50 on the side surface 18, separated by a crease line 58. The inner upper lid piece 56 is provided with an arcuate recess 60 at the center of the end 56a opposite to the folding line 58, and both sides of the recess 60 are formed by arcs that bulge outward, and two waves are continuous. It has become. The inner upper lid piece 56 is provided with a gluing portion 62 that is continuous with the crease line 58. The gluing portion 62 has a trapezoidal shape with the crease line 58 as the lower bottom, and is formed by being surrounded by a U-shaped cut line 64 that opens toward the crease line 58. The cut line 64 is formed along the upper base of a straight line parallel to the crease line 58 and a pair of legs continuous to the upper base and reaching the crease line 58, and the portion along the upper base is the box body forming piece 12. Is formed by a full cut line 65 penetrating the thickness of the paper surface, and the portion along the pair of legs is formed by a front half cut line 66 obtained by cutting approximately half the thickness of the paper surface from the front side. A short uncut portion is provided between the fold line 58 and the end of the front half-cut line 66.

A breaking line 68 for opening is provided on the side surface 20 near the folding line 58. The breaking line 68 for opening is formed by an arc that bulges away from the folding line 58, and both ends of the breaking line 68 for opening reach the folding line 58 and further extend away from each other along the folding line 58. I have put it out. The semicircular portion surrounded by the breaking line 68 for opening and the crease line 58 serves as a knob 63 that is held when the packaging box 10 is opened or resealed.

A trapezoidal inner bottom lid piece 70 smaller than the outer bottom lid piece 44 is provided at an end of the side surface 20 in the direction opposite to the crease line 58, separated by a crease line 72. On the side surface 20, a breaking line 74 for disposal is provided near the crease line 72. The discard breaking line 74 is formed by an arc that bulges in a direction away from the crease line 72.

Next, an example of an assembling method of the packaging box 10 of this embodiment will be described. Here, FIG. 4 is a development view as seen from the surface of the box forming piece 12, where the folding method in which the surface of the box forming piece 12 is convex is normal folding, and the folding in which the back surface is convex is reverse folding. To call.

First, the glue 76 is applied to the surface of the glued piece 22, and the folding line 28 is normally folded. Further, the crease lines 24 are normally folded, and the surface of the glued piece 22 is glued to the back surface of the side surface 14 with glue 76. As a result, the box-forming piece 12 is folded and shipped in this folded state.

Next, in a factory that stores and wraps the contents, the crease lines 24, 26, 28, and 30 are normally folded at 90° to form a rectangular cylinder. Then, the flaps 36 and 52 are normally folded at 90° along the folding lines 38 and 54, and then the inner bottom lid piece 70 is normally folded at 90° at the folding lines 72. Glue 78 is applied to the surface of the inner bottom lid piece 70, the outer bottom lid piece 44 is normally folded at 90° along the crease line 46, and the surface of the inner bottom lid piece 70 is attached to the back surface of the outer bottom lid piece 44 by the glue 78. Be glued. This completes the bottom of the box. In this state, a container (not shown) is put inside.

Then, the flaps 32 and 48 are normally folded at 90° along the crease lines 34 and 50, and the inner upper lid piece 56 is normally folded at 90° at the crease line 58. Glue 80 is applied to the gluing portion 62 on the surface of the inner upper lid piece 56, the outer upper lid piece 40 is normally folded at 90° along the crease line 42, and the surface of the inner upper lid piece 56 is the back surface of the outer upper lid piece 40 with the glue 80. Glued to. This completes the packaging as shown in FIG.

When taking out the contents from the packaging box 10, the inside of the breaking line 68 for opening is pushed to cut the breaking line 68 for opening, and the knob 63 is divided from the side surface 20. The divided knob portion 63 is held and raised from the side surface 20, and further pulled up to separate the side surface 20 and the inner upper lid piece 56, and as shown in FIGS. 1(a) and 5(a), the packaging box 10 To open. Then, the flaps 32 and 48 are opened and opened to take out the contents.

When a part of the contents is used and the rest is put in the packaging box 10 for resealing, as shown in FIGS. 1( a) and 5 (a ), glue 80 is applied to the back surface of the outer upper lid piece 40. The inner upper lid piece 56 to which the glue has been applied is peeled from the outer upper lid piece 40 by hooking a finger on the recess 60 or the end portion 56a. Then, as shown in FIG. 5( b ), the surface 56 c of the inner upper lid piece 56 is cut by the cut line 64, and the glued portion 62 is cut by the full cut line 65 of the cut line 64 and the front half cut line 66. It is peeled off in the middle of the thickness. The peeled front surface 56c remains attached to the outer upper lid piece 40, and the inner upper lid piece 56 including the peeled back surface has a U-shaped opening portion of the cut line 64 serving as a hinge, and the outer upper lid piece 40. Is connected to the end portion 40a of the above and becomes the insertion piece 57 when resealing. Since the hinge is provided with half the thickness of the paper surface, the insertion piece 57 that is the inner upper lid piece 56 can flexibly change the angle with respect to the outer upper lid piece 40.

Then, as shown in FIG. 1( b ), the knob 63 is held and the outer upper lid piece 40 is normally folded at 90° along the crease line 42, and the inner upper lid piece 56 is moved from the end of the side surface 20 to the back surface of the side surface 20. To lock and reseal as shown in FIG. At this time, the knob 63 projects outward from the side surface 20. When the packaging box 10 is opened again, the knob 63 is held and pulled up, and the outer upper lid piece 40 is opened.

When the packaging box 10 is discarded after use, the breaking line 74 for discard on the side surface 20 is cut, and the side surface of the tubular body is flatly folded.

According to the packaging box 10 of this embodiment, it is made by a simple assembling method, and the large insertion piece 57 and the knob 63 are provided on the box forming piece 12 having a relatively small paper area, so that resealing and opening can be easily performed. Can be done. The paper area of the box forming piece and the assembling method are the same as those of a simple sealed end carton type packaging box without a resealing function, and can be packaged by an existing packaging machine. Furthermore, it has a simple shape, and there are few troubles such as things being caught, and work efficiency is good. In addition, the insertion piece 57 facilitates the resealing operation and ensures reliable sealing when resealing. Since the grip portion 63 has a large area, the grip portion 63 can be easily held and easily operated during resealing and opening operations. Since the end portion 56a of the inner upper lid piece 56 is provided with a concave portion 60 in the center and has a wave shape in which two waves are continuous, it is easy to understand the position where the finger is hung when the inner upper lid piece 56 is raised, and the inner upper lid piece 56 is easy to understand. It is possible to inform the user of the method of peeling off the outer upper lid piece 40 to form the insertion piece 57. Further, the insertion piece 57 can be smoothly peeled off from the inner upper lid 56 by the outer upper lid piece 40 folding curve 41.

The packaging box of the present invention is not limited to the above embodiment, and the size of the box body, the material, the shape of each member, and the like can be changed as appropriate. The shape of the bottom may be other than the seal end carton type. The glued part may have a shape other than a trapezoidal shape, and the U-shaped cut line surrounding the glued part may be provided as a full cut line over the entire length. In that case, both ends of the cut line and the break line for opening are opened. The uncut portion between and becomes a hinge. Further, the cut line may be a half cut line over the entire length, or may be a sewing line, a zipper line, or the like. The shape of the picking portion may be other than the semi-circular shape, as long as it is easy to pick. The shape of the end of the inner upper lid piece may be other than the corrugated shape, as long as it is easy for the user to understand. In addition, an opening guide may be provided by printing on the back side of the inner upper lid piece.

10 Packaging Box 12 Box Forming Pieces 14, 16, 18, 20 Side 40 Outer Upper Lid Piece 40a End 41 Folding Curve 42 Folded Rule Line 56 Inner Upper Lid Piece 57 Inserting Piece 62 Glued Section 63 Picking Section 64 Notch Line 65 Full cut line 66 Front half cut line 68 Break line for opening 80 Glue

Claims (4)

An outer upper lid which is composed of a box-forming piece of a single blank sheet and is provided on one of the side surfaces separated by a crease line to close the open end of the cylindrical body. A piece and an inner upper lid piece that is provided on a side surface that is parallel to the side surface on which the outer upper lid piece is provided and that is separated by a crease line and that is overlapped on the back surface of the outer upper lid piece.
The inner upper lid piece, the gluing unit which is glued to the outer upper lid piece is provided, the gluing unit, the folding border between the inner upper lid piece and the side in which the inner upper lid piece is provided towards which is formed surrounded by score lines formed in the opening to the inner upper lid piece inside,
The cut line is a straight line parallel to the crease line between the side surface and the inner upper lid piece, and a pair that is continuous with the straight line and reaches the crease line between the side surface and the inner upper lid piece. A portion of the cut line, which is formed in a U shape along the leg and is parallel to the straight line parallel to the crease line between the inner upper lid piece and the side surface, penetrates the thickness of the paper surface. Formed by a full cut line, the portion along the pair of legs is formed by a front half cut line that is cut from the surface side about half the thickness of the paper surface,
The side surface provided with the inner upper lid piece is provided with a breaking line for opening that separates the inner upper lid piece from the side surface, and at the time of opening, the breaking line for opening is separated so that the inner upper lid piece is the outer side. It is opened with glue on the upper lid piece,
When resealing, the peripheral portion of the inner upper lid piece that is separated from the glued portion by the cut line is removed from the outer upper lid piece, and the inner upper lid piece has a hinge on the side where the cut line is opened. The packaging box is characterized in that it becomes an insertion piece that is connected to the outer upper lid piece, and is inserted into the back surface of the cylindrical body to be resealed. A concave portion is provided at an end of the inner upper lid piece opposite to the side surface on which the inner upper lid piece is provided , and both sides of the concave portion are formed by an arc that bulges outward, and two waves are continuous. The packaging box according to claim 1, which is corrugated. The opening for break lines, the inner upper lid piece is formed by an arc that bulges in a direction away from the end of the side surface which is provided, semicircular shape surrounded by the end of the opening for the break line and the side surface 2. The packaging box according to claim 1, wherein the portion serves as a gripping portion that is held when the packaging box is opened and resealed. The outer upper lid piece is substantially parallel to the fold line between the outer upper lid piece and a position near an end portion on the opposite side of the fold line between the outer upper lid piece and the side surface. The packaging box according to claim 1, wherein a folding curve is provided.

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