JP2021080006A - Packing box - Google Patents

Abstract

To provide a paper box in which cut font face panel, both side face panels and top face panel constituting a lid part are integrated when the lid part is opened.SOLUTION: In a rectangular parallelepiped paper box which includes a square cylindrical trunk part and in which the upper and lower sides of the trunk part are closed by a top face panel and a bottom face panel respectively, a fracture part in the left-right direction is provided on the font face panel, obliquely-upward cutting lines respectively continuous to the fracture part and heading corner parts are provided on side face panels on both sides, and the fracture part and a lid part on the upper side of the cutting line are opened with a ridge line on which the top face panel and a rear face panel are continuous as the hinge at the opening. In the paper box, folding pieces are provided so as to extend on the upper ends of the side face panels on both sides, one of the font face panel and rear face panel is continuous to the top face panel, a top face inner panel is provided so as to extend on the other of the font face panel and rear face panel, and the top face inner panel has a hole part.SELECTED DRAWING: Figure 1

Description

The present invention relates to a rectangular parallelepiped-shaped paper box formed by bending a single paper base material having a square tubular body portion and the upper and lower sides of the body portion being closed by a top panel and a bottom panel, respectively. The present invention relates to a top-open type paper box in which the torso is torn from a broken portion and a cutting line provided on the torso and the upper top panel side can be opened.

Conventionally, as a paper box for storing confectionery such as elongated rod-shaped confectionery and small piece-shaped biscuits, a rectangular parallelepiped body composed of an opposing front panel, a rear panel, and both side panels is provided, and the upper and lower parts of the body are provided. Is a rectangular parallelepiped-shaped paper box that is closed by the top panel and the bottom panel, respectively, and the perforations straddling the front panel and both side panels and the rear panel so as to connect both ends of the perforations formed on both side panels. A top-open type paper box having a ruled line is known (see, for example, Patent Document 1). A top-open type cigarette package having a similar structure is also known (see, for example, Patent Document 2).

In the paper boxes of Patent Documents 1 and 2, the top panel side above the perforations and ruled lines formed on the body is the lid, and the lid is the cut front panel, both side panels, and the rear surface above the ruled lines. It is integrated with the panel and the top panel, and the body is torn at the perforations, and the torn lid is bent and opened with a ruled line. With respect to the configurations shown in Patent Documents 1 and 2, as shown in FIGS. 5, 6 and 7, the lid 120 has a cut front panel 112', a cut side panels 113' and 111', and a top surface. A paper box 101 composed of a panel 122 and having a lid 120 different from those of Patent Documents 1 and 2 is also known. The paper box 101 includes a rectangular parallelepiped body 110 composed of a front panel 112, a rear panel 114, and side panels 111 and 113 on both sides, and the upper and lower sides of the body 110 are closed by a top panel 122 and a bottom panel 132, respectively. The rectangular parallelepiped-shaped paper box 101 is provided with a breaking portion 112a in the left-right direction on the front panel 112, and the side panels 111 and 113 on both sides are continuously connected to the breaking portion 112a on the top panel 122 and the rear surface, respectively. Diagonally upward cutting lines 111a and 113a formed by the panel 114 and the side panels 111 and 113 toward the corners K (see FIG. 6) are provided, and are above the breaking portions 112a and the cutting lines 111a and 113a at the time of opening. The portion is a lid portion 120, and the ridge line R in which the top panel 122 and the rear panel 114 are connected to each other can be opened as a hinge. In the case of this configuration, as shown in FIG. 6B, the top surface inner panel 124 is folded inward and polymerized on the upper side of the folded pieces 121 and 123 folded inward, and the left and right sides of the top surface inner panel 124 are overlapped. The outer surfaces of the folded pieces 121 and 123 are visible on both sides, and a strip-shaped adhesive region A is provided on the outer surfaces of the visible folded pieces 121 and 123 and the outer surface of the top surface inner panel 124 in the left-right direction. For example, a hot melt adhesive is linearly applied to the adhesive region A from the nozzle of the applicator in the left-right direction, and the top panel 122 is polymerized on the adhesive region A and adhered to the inner surface of the top panel 122. However, the amount of the adhesive applied linearly from the nozzle at the coating start point and / or the coating end point tends to be small, and the fold-in pieces 121, 123 and the top panel 122 may not be sufficiently adhered. In this case, when the lid 120 is cut and opened, the cut side panels 111'and 113'are not sufficiently adhered to the inner surface of the top panel 122, so that the side panels 111'and 113 are cut out. 'And the folded pieces 121 and 123 are in a free state and spread outward as shown in FIG. 7 (b), resulting in a situation in which the lid portion 120 cannot serve. Note that FIG. 5 is a developed view of a blank for assembling a conventional top open type paper box, and FIG. 6 is an explanatory view showing a method for assembling a conventional top open type paper box.

Jikkenhei 4-109022 Japanese Unexamined Patent Publication No. 10-258881

Therefore, the present invention has been made to solve the above problems, and the purpose of the present invention is to integrate the cut front panel, both side panels, and the top panel constituting the lid when the lid is opened. The purpose is to provide a personalized paper box.

In order to achieve the above object, the present invention according to claim 1 includes a rectangular parallelepiped body composed of a front panel, a rear panel, and side panels on both sides, and the upper and lower sides of the body are heavenly. In a rectangular parallelepiped-shaped paper box formed by bending a single paper base material closed by a face panel and a bottom panel, the front panel is provided with a break portion in the left-right direction, and the side panels on both sides are provided with breaks. Each of the broken portions is continuously provided with diagonally upward cut lines toward the top panel, the rear panel, and the corners formed by the side panels, and is above the broken portion and the cut line at the time of opening. The lid is a paper box that can be opened by using a ridge line connecting the top panel and the rear panel as a hinge, and folding pieces are extended to the upper ends of the side panels on both sides, and the front panel is Alternatively, the top panel is continuously provided on one of the rear panels, and the top inner panel is extended to the other front panel or the rear panel to which the top panel is not connected. , The top surface inner panel is a paper box characterized by having a hole.

Further, according to the second aspect of the present invention, in the paper box according to the first aspect, the top surface inner panel is recessed inward at both ends in a direction orthogonal to the direction in which the front surface panel and the rear surface panel face each other. It is characterized by having a notch.

Further, according to the third aspect of the present invention, in the paper box according to the first or second aspect, at least three panels of the side panel and the rear panel on both sides or the side panel and the front panel on both sides are formed. It is characterized by consisting of a double panel with an inner panel.

The present invention can provide a paper box in which a cut front panel, both side panels, and a top panel constituting the lid are integrated when the lid is opened.

It is a perspective view of the paper box of one Embodiment which concerns on this invention. It is a developed view of the blank assembling the paper box of one Embodiment which concerns on this invention. It is explanatory drawing which shows an example of the method of assembling the paper box of one Embodiment which concerns on this invention. It is a perspective view which shows the opened state of the paper box of one Embodiment which concerns on this invention. It is a development view of a blank for assembling a conventional top open type paper box. It is explanatory drawing which shows the method of assembling the conventional top open type paper box. It is a perspective view which shows the opened state of the conventional paper box.

The above invention will be described in detail below with reference to drawings and the like.

FIG. 1 is a perspective view of a paper box according to the present invention, FIG. 2 is a developed view of a blank for assembling the paper box according to the present invention, and FIG. 3 is a method for assembling the paper box according to the present invention. An explanatory view showing an example, FIG. 4 is a perspective view showing an opened state of the paper box according to the embodiment of the present invention, FIG. 5 is a developed view of a blank for assembling a conventional top open type paper box, and FIG. 6 is a conventional top. An explanatory view showing a method of assembling an open type paper box, FIG. 7 is a perspective view showing an opened state of a conventional paper box. In the figure, 1 is a paper box, 1'is an opened paper box, 2 is a blank, and 3 is paper. Base material, 10 is the body, 11 and 13 are the side panels, 11a and 13a are the cut lines, 11'and 13'are the cut side panels, 12 is the front panel, 12a is the broken part, and 12'is cut. Front panel, 14 is the rear panel, 15, 16 and 17 are the inner panel, 20 is the lid, 21 and 23 are the folding pieces, 22 is the top inner panel, 22a is the hole, 22b is the notch, and 24 is. Top panel, 31 and 33 are fold-in pieces, 32 is bottom inner panel, 34 is bottom panel, A is adhesive area, B is adhesive area, K is corner, R is ridge line, 101 is paper box, 101'is opened. Paper box, 102 is blank, 110 is body, 111, 113 are side panels, 111a, 113a are cut lines, 111', 113' are cut side panels, 112 is front panel, 112a is broken parts, 112' Is the cut-out front panel, 114 is the rear panel, 115, 116, 117 are the inner panel, 120 is the lid, 121 and 123 are the folding pieces, 122 is the top panel, 124 is the top inner panel, 131 and 133 are. Folded pieces, 132 indicate a bottom panel, and 134 indicates a bottom inner panel.

FIG. 1 is a perspective view of a paper box according to an embodiment of the present invention. As shown in FIG. 1, the paper box 1 of the present invention includes a rectangular parallelepiped body portion 10 composed of a front panel 12, a rear surface panel 14 (see FIG. 2), and side surface panels 11 and 13 on both sides, and the body portion 10 includes a rectangular parallelepiped body portion 10. It is a rectangular parallelepiped shape formed by bending a single paper base material 3 (see FIG. 2) whose upper and lower surfaces are closed by a top panel 24 and a bottom panel 34 (see FIG. 2), respectively.

In the paper box 1, the front panel 12 is provided with a break portion 12a in the left-right direction, and the side panels 11 and 13 on both sides are continuously connected to the break portion 12a by the top panel 24, the rear panel 14, and the side panels 11, respectively. Diagonally upward cutting lines 13a and 11a toward the corner portion K formed by 13 are provided. When the paper box 1 is torn and opened from the break portion 12a along the cut lines 13a and 11a, the break portion 12a and the portion above the cut lines 11a and 13a become the lid portion 20, and the lid portion 20 becomes the top panel 24 and the rear panel. It is a top-open type paper box 1 that can be opened and closed by using a ridge line R connected to 14 as a hinge.

The break portion 12a provided on the front panel 12 is formed of a perforated cut line, and is preferably configured to have a pawl (non-cut line) between the cut lines, and may be linear as shown in FIG. , Or it may be curved. Further, although not shown, it is more preferable to provide a knob portion formed of an arcuate notch at the central portion in the left-right direction of the fractured portion 12a. The cutting lines 11a and 13a provided on the side panels 11 and 13 preferably have a U-shaped zipper shape, and the opening is smooth. Further, it is preferable that the portions where the broken portion 12a and the cutting lines 11a and 13a are in contact with each other are connected by a cutting line.

FIG. 2 is a developed view of a blank 2 for assembling the paper box 1 of the embodiment according to the present invention. In the paper box 1, the paper base material 3 is cut according to the developed view shown in FIG. 2, and the blank 2 is cut out and placed in an appropriate position. It is made by folding. The blank 2 is usually formed by punching with a punching die provided with a predetermined cutting edge and a ruled line for forming a folding line.

Ruled lines are formed by stamped ruled lines, half-cut ruled lines, sewing machine ruled lines (cuts or cuts formed at intervals) or lead ruled lines (half cuts made in the gaps where no cuts or cuts are formed in the sewing machine ruled lines). These ruled lines include a punching die having a cutting edge for punching the blank 2 and a die having a predetermined shape of a stamped ruled line, a half-cut ruled line, a sewing machine ruled line, or a lead ruled line, or a combination of one or more of them. As a result, it is formed at the same time as punching. Alternatively, only the ruled line may be formed before punching.

As shown in FIG. 2, in the blank 2, the side panel 11, the front panel 12, the side panel 13, the rear panel 14, the inner panel 15, the inner panel 16, and the inner panel 17 are connected in this order via a ruled line. The inner panels 15, 16 and 17 are slightly smaller than the vertical lengths of the front panel 12, the side panels 11, 13 and the rear panel 14. The inner panels 15, 16 and 17 are not essential, but are preferably provided because the rigidity of the body portion 10 can be reinforced and the appearance is improved. The front panel 12 is provided with a break portion 12a that crosses in the left-right direction. Both ends of the broken portion 12a are continuous with the cutting line 13a and the cutting line 11a, and the cutting line 13a and the cutting line 11a extend diagonally toward the upper corner portion.

A folding piece 21, a top inner panel 22, a folding piece 23, and a top panel 24 are extended on the upper sides of the side panel 11, the front panel 12, the side panel 13, and the rear panel 14 via ruled lines. A folding piece 31, a bottom inner panel 32, a folding piece 33, and a bottom panel 34 are extended on the lower sides of the side panel 11, the front panel 12, the side panel 13, and the rear panel 14 via ruled lines.

The top surface inner panel 22 has a horizontally long hole portion 22a in the left-right direction. The folding pieces 21 and 23 each have an adhesive region A to be adhered to the top panel 24, and this adhesive region A is formed on the folded folding pieces 21 and 23 when the paper box 1 is assembled. When they are polymerized, the respective adhesive regions A are located so that they can be viewed through the hole portion 22a of the top surface inner panel 22. With such a configuration, the folding pieces 21 and 23 and the top panel 24 and the top inner panel 22 and the top panel 24 can be firmly adhered to each other, and the lid 20 is opened as shown in FIG. 4, which will be described later. At this time, the cut front panel 12'that constitutes the lid portion 20, the cut side panels 11'and 13', and the top panel 24 can be integrated.

Further, the top inner panel 22 is provided with notches 22b recessed inward on both ends in a direction orthogonal to the opposite direction when the front panel 12 and the rear panel 14 assemble the paper box 1. Is provided with a notch 22b recessed toward the hole 22a at a position in the left-right direction sandwiching the hole 22a of the top surface inner panel 22 so as to face each other. In addition, in FIG. 2, a plurality of half-cut cuts or perforations are provided in the adhesive region A and the adhesive portion B, and the adhesive applied to the cuts penetrates, so that a stronger adhesive force can be obtained, which is preferable. It is a form.

The paper base material 3 is mainly used for the paper box 1 of the present invention. As the paper base material, a base material having a rigidity sufficient to maintain the shape of the paper box is preferable. Paperboard is preferable as the base material, and coated balls, uncoated balls, Manila balls, kraft balls, ivory, card paper, etc., or aluminum-deposited vapor-deposited paper, transparent plastic film, or aluminum foil laminated on these paperboards. Paper etc. can be used.

Next, an example of how to assemble the blank 2 will be described with reference to FIG.
To assemble the blank 2, the inner panel 17, inner panel 16, inner panel 15, rear panel 14, side panel 13, front panel 12, and side panel 11 are bent along the ruled lines, and the inner surface of the side panel 13 and the outer surface of the inner panel 17 are bent. , The inner surface of the front panel 12 and the outer surface of the inner panel 16, and the inner surface of the side panel 11 and the outer surface of the inner panel 15 are overlapped, and the inner surface of the side panel 11 and the outer surface of the inner panel 15 are adhered to form a square tube. The body portion 10 is formed. The glue margin portion may be provided on the inner surface of the side panel 11 along the end side opposite to the side connected to the front panel 12.

Next, the lower folding pieces 31 and 33 are folded inward, and the bottom inner panel 32 and the bottom panel 34 are bent in this order and bonded at the adhesive portion B to close the bottom portion. Then, the contents are accommodated from above in the opened state, the folded pieces 21 and 23 are folded inward, the top surface inner panel 22 is further bent, an adhesive is applied to the adhesive region A, and the top surface panel 24 is adhered to the adhesive region. The top is closed by adhering to the adhesive of A. In the adhesive region A, the adhesive is applied to the outer surfaces of the folded pieces 21 and 23 in the hole portion 22a and the notch portion 22b of the top surface inner panel 22, and the other parts are applied to the outer surface of the top surface inner panel 22. The inner surface of the surface panel 24, the outer surface of the folding pieces 21, 23, the inner surface of the top panel 24, and the outer surface of the top inner panel 22 are adhesively integrated. FIG. 3 (a) shows the folded state of the bottom after the body is formed, FIG. 3 (b) shows the folded state of the top, and FIG. 3 (c) shows the folded state of the top. In FIGS. 3A and 3C, the bottom panel 34 and the top panel 24 are omitted in order to make it easier to understand the state of the bonded portion.

Since the paper box 1 of the present invention has a structure in which a hole 22a is provided in the top surface inner panel 22, when hot melt is linearly applied with an adhesive, for example, a hot melt applicator, the hot melt is applied at the application start point and the application end point. Even if the amount of coating is reduced, the hot melt adhesive is applied to the outer surfaces of the folded pieces 21 and 23 in the hole 22a, so that the hot melt adhesive is guaranteed to adhere to the inner surface of the top panel 24. The portions 20 are integrated, and the side panels 11'and 13' and the folding pieces 21 and 23 that are cut off when the package is opened as in the conventional state are in a free state and expand outward (FIG. 7 (b). ) Can be prevented.

The paper box 1 according to the embodiment of the present invention is not limited to the configuration shown in FIG. 2, and the top panel 24 and the bottom panel 34 are connected to the front panel 12, and the top panel 22 and the top panel 22 and the rear panel 14 are connected to the bottom panel 34. The bottom inner panel 32 may be continuously provided. That is, the top panel 24 is connected to either the front panel 12 or the rear panel 14, and the top panel 24 is not connected to the other front panel 12 or the rear panel 14. It may be extended.

FIG. 4 is a perspective view showing an opened state of the paper box 1 according to the embodiment of the present invention. When the paper box 1 is opened, when the cut line portion of the broken portion 12a is used as a starting point to tear the broken portion 12a, the tear propagates to the cut lines 11a and 13a, and the lid portion is formed by breaking the cut lines 11a and 13a. 20 is formed, the lid 20 is opened with the ridge line R as a hinge, the contents are taken out as much as necessary from the opened paper box 1', and then the lid 20 is rotated with the ridge line R as the rotation axis to open the lid. To do. By providing the inner panels 15, 16 and 17, the lid portion 20 is easily closed by being guided by the exposed portion of the inner panels 15, 16 and 17, and better resealing property can be obtained.

In the conventional paper box 101, as shown in FIGS. 5 and 6, the folding pieces 121 and 123 are folded inward, the inner panel 124 on the top surface is further bent, an adhesive is applied to the adhesive region A, and the top surface is coated with an adhesive. The top is closed by adhering the panel 122 to the adhesive in the adhesive region A. At this time, even if the top surface inner panel 124 superimposed on the folded pieces 121 and 123 is narrowed and the adhesive region A of the folded pieces 121 and 123 is widened, the adhesive is linearly applied from the nozzle of the hot melt applicator. Adhesion of the agent to the folding piece 121, the folding piece 123, or both folding pieces may be insufficient because the coating is reduced at the coating starting point. Then, when the lid 120 is opened, either or both of the folded pieces 121 and 123 may be peeled off from the top panel 122, and these folded pieces and the cut side panels 111'and 113'are free. Therefore, as shown in FIG. 7 (b), when the lid 120 of the opened paper box 101'was expanded outward and the lid 120 was closed, sufficient resealability could not be obtained. Since the paper box 1 of the present invention is provided with the hole portion 22a and the notch portion 22b of the top surface inner panel 22, the adhesive region of the folded pieces 21 and 23 is provided by providing the hole portion 22a and the notch portion 22b in the adhesive region A. A can be widened to obtain strong adhesion, and a lid in which the inner surface of the top panel 24 and the outer surfaces of the folding pieces 21 and 23 and the inner surface of the top panel 24 and the outer surface of the top inner panel 22 are bonded and integrated. It is a part 20.

1 Paper box 1'Opened paper box 2 Blank 3 Paper base material 10 Body 11, 13 Side panels 11a, 13a Cut lines 11', 13' Cut side panels 12 Front panels 12a Breaks 12'Cut front Panel 14 Rear panel 15, 16, 17 Inner panel 20 Lid 21, 23 Folded piece 22 Top inner panel 22a Hole 22b Notch 24 Top panel 31, 33 Folded piece 32 Bottom inner panel 34 Bottom panel A Adhesive area B Adhesive part K Corner part R Ridge line 101 Paper box 101'Opened paper box 102 Blank 110 Body part 111, 113 Side panel 111a, 113a Cut line 111', 113' Cut off side panel 112 Front panel 112a Broken part 112' Cut out Front panel 114 Rear panel 115, 116, 117 Inner panel 120 Lid 121, 123 Folded piece 122 Top panel 124 Top inner panel 131, 133 Folded piece 132 Bottom panel 134 Bottom inner panel

Claims (3)

It is formed by bending a single paper base material that has a rectangular parallelepiped body consisting of a front panel, a rear panel, and side panels on both sides, and the top and bottom of the body are closed by a top panel and a bottom panel, respectively. In a rectangular parallelepiped paper box
The front panel is provided with breaks in the left-right direction, and the side panels on both sides are continuous with the breaks toward the top panel, the rear panel, and the corners formed by the side panels. A paper box provided with an obliquely upward cutting line, and at the time of opening, the broken portion and the lid portion above the cutting line can be opened by using a ridge line in which the top panel and the rear panel are connected as a hinge.
Folded pieces extend to the upper ends of the side panels on both sides, respectively.
The top panel is continuously provided on either the front panel or the rear panel.
The top panel is extended to the other front panel or the rear panel to which the top panel is not continuously provided.
A paper box characterized by having a hole in the top surface inner panel. The paper box according to claim 1, wherein the top surface inner panel includes notches recessed inward at both ends in a direction orthogonal to the direction in which the front panel and the rear surface panel face each other. The first or second aspect, wherein at least three panels of the side panel and the rear panel on both sides or the side panel and the front panel on both sides are a double panel including an inner panel. Paper box.

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