JP5041270B2 - Paper carton - Google Patents

Description

  The present invention belongs to the technical field of a paper carton made of cardboard, and particularly relates to a rectangular parallelepiped paper carton that is suitably used to store tissue paper, cotton, and the like.

  Conventionally, a rectangular parallelepiped paper carton has been widely used as a container for storing tissue paper or cotton. This rectangular parallelepiped-shaped paper carton is made into a rectangular tube by raising a sack-attached blank, and then attaching both end faces to the bottom face panel and the top face panel on the end face flaps. It is produced by forming each. This paper carton is provided with an opening means comprising perforations or the like for forming an outlet opening located on the upper surface or from the upper surface to the front surface. Therefore, at the time of use, this unsealing means is used to form a take-out port, from which tissue paper, cotton, etc. are taken out.

  A paper carton having a rectangular parallelepiped shape of this type is relatively strong in spite of the simple structure as described above. For this reason, it is difficult to dismantle at the time of disposal, and it has been necessary to take a method of forcibly destroying it. Therefore, various paper cartons that can be easily disassembled and folded when discarded after use have been proposed.

One example of such a paper carton that can be easily disassembled is disclosed in Patent Document 1. In the paper carton shown in this document, the perforation for incision is symmetrical in a C shape with the center line of the bottom side end face panel as an axis with respect to the bottom side end face panel connected to both side edges in the longitudinal direction of the bottom face panel. In the bottom panel, arc-shaped pushing perforations starting from the respective end points of the incision perforations are formed. Therefore, it is possible to cut along the incision perforation by pushing the opening perforation with a finger and pushing it open as it is. And if the perforation for incision is cut off, the bottom side end face panel and the top side end face panel are spread and unfolded, and the sticking part with the end face flap is peeled off, and then the end face flap is unfolded. The entire box can be folded.
JP-A-8-253275

  The paper carton described in Patent Document 1 described above can be easily disassembled and folded with a small force after use, but has the following problems. That is, since the perforation for incision is formed so as not to be applied to the bonded portion of the end surface panel on the upper surface side and the end surface panel on the bottom surface side, the perforation for incision is exposed to the front side, and the appearance is unsightly. There is a risk of excessive tearing due to external force during handling. In addition, since the spread of the perforation perforation becomes large, no force is applied to cut straight along the perforation perforation, and it may be displaced inward from the middle and torn in the direction of the fingertips. I can't.

  The present invention has been made in view of such problems, and the object of the present invention is to provide a means for easily disassembling so that the appearance does not become unsightly and can be disassembled neatly. It is to provide a paper carton.

In order to achieve the above object, the paper carton of the present invention has a rectangular parallelepiped shape, and both end surfaces are connected to the bottom surface side end surface panel and the top surface panel which are connected to the bottom surface panel after folding the end surface flaps on both sides. In the paper carton formed by folding and sticking the upper surface side end surface panel to be installed in this order, each end surface flap is vertically positioned at a position near the fold line and closer to the upper surface panel. A long oval-shaped break region is defined by perforations, and both the bottom-side end panel and the top-side end panel overlap each other with a width smaller than the width of the rear panel and the front panel, that is, the height of the box at the time of assembly. The part has a certain size, and the bottom side end panel is placed on both ends of the front end so that it does not overlap the fracture area of the end face flap when assembled in a box shape. Each notch part is formed, and the end face flap has a part with a rupture area as a sticking part, glued here and stuck to the top face side end face panel, and the bottom face side end face panel is the top face side end face panel Adhering to the center of the tip that overlaps with the adhesive , pasting it here and attaching it to the top-side facing panel , the top-side end panel is bonded to the bottom-side end panel, and each end-face flap is on the top side It is characterized by being bonded only to the end panel .

  The paper carton of the present invention is in a state of being covered and hidden by the upper surface side end face panel because the fracture area of the end face flap that contributes to the disassembly, the appearance is not unsightly despite the provision of disassembly means, The rupture region of the end face flap is not excessively broken by an external force during handling. When the top side end panel is peeled off from the bottom side end panel, the rupture area of the end face flap is broken at the perforation by the momentum and is attached to the back side of the top side end panel. Since it can be separated from the end face panel as well as the end face panel, it can be easily and neatly disassembled.

  Next, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a perspective view showing an example of a paper carton according to the present invention, and FIG. 2 is a plan view of a blank forming the paper carton of FIG.

  The paper carton A in FIG. 1 is for storing cotton, and the appearance is a rectangular parallelepiped shape, and is manufactured by assembling the blank B shown in FIG.

  The blank B is formed by punching a paperboard for paper carton. As shown in the figure, the adhesive margin flap 11, the bottom panel 12, the back panel 13, the top panel 14, and the like through the folding lines a, b, c, d. Front panels 15 are sequentially arranged. Bottom side panels 16 are connected to the left and right sides of the bottom panel 12 via folding lines e and f, respectively, and end surface flaps 17 are connected to the left and right sides of the back panel 13 via folding lines g and h, respectively. An upper surface side end face panel 18 is connected to the left and right sides of the top panel 14 via fold lines i and j, respectively, and end face flaps 19 are connected to the left and right sides of the front panel 15 via fold lines k and l, respectively. Yes.

  Each of the end face flaps 17 connected to the left and right sides of the back panel 13 has an elliptical broken region 17a partitioned by a perforation α at a position close to the top panel 14, respectively. Similarly, each of the end surface flaps 19 connected to the left and right sides of the 15 has an elliptical broken region 19a defined by perforations α at positions close to the top panel 14 respectively.

  Both the bottom-side end panel 16 and the top-side end panel 18 have a width smaller than the width of the back panel 13 and the front panel 15 (the height of the box), but have a size where there is an overlapping portion. The bottom end panel 16 is formed with curved notches 16a at both ends of the tip so as not to overlap the fracture regions 17a and 19a of the end flaps 17 and 19 when the blank B is assembled in a box shape. Has been. Further, the upper surface side end surface panel 18 is formed with an arc-shaped notch 18a having a size that allows a fingertip to enter the center of the front end edge thereof.

  The front panel 15 is formed with a knob portion 15a at the center of the front edge, and two perforations β for opening extending from both sides of the knob portion 15a are formed. A perforation γ for opening is also formed in parallel with the perforation β of the panel 15 until it reaches the opposite side. The end spread portion of the perforation β of the front panel 15 is formed by continuous “<”-shaped cuts as shown in the figure. A portion surrounded by these perforations β and γ forms an opening portion.

  In addition, a locking slit 11 a is provided in the center of the adhesive margin flap 11 at a position corresponding to the knob portion 15 a of the front panel 15. In addition, the folding line a located at the boundary between the adhesive margin flap 11 and the bottom panel 12 swells in two at the center portion as shown in the figure, and when it is bent, a dent for a fingertip is formed. ing.

This blank B is folded in a sack pasting state in which the front side of the adhesive margin flap 11 is pasted to the rear side of the front end portion of the front panel 15. At this time, glue is applied at the portion excluding the unsealed portion. In order to assemble the paper carton A from the folded blank B, first, after folding the folded blank B into a rectangular tube shape, the end surface flaps 17 and 19 are folded inward on one end surface side, The bottom end panel 16 and the top end panel 18 are sequentially bent and bonded together. At this time, the end face flaps 17 and 19, and the site of fracture region 17a, 19 a bond portion 17b, and 19b, as well as attached to the upper surface side end face panel 18 by glue here, the bottom end face panel 16 The vicinity of the tip that overlaps with the upper surface side end surface panel 18 is used as an adhering portion 16b, which is pasted and adhered to the upper surface side end surface panel 18. Next, after the contents are charged from the other end face side, the other end face side is similarly closed. In this way, a paper carton A containing the contents shown in FIG. 1 is produced.

  In the paper carton A produced in this way, the end surface flaps 17 and 19 each have break regions 17a and 19a surrounded by the sewing machine α so as not to overlap the bottom surface side end panel 12, and the top surface side end surface. The panel 18 is bonded to the bottom surface side end panel 16 and the end surface flaps 17 and 19 are bonded to each other at their fracture regions 17a and 19a.

  When using this paper carton A, the front panel 15 is broken along the two perforations β by pulling the knob 15a of the front panel 15, and the perforation γ of the upper panel 14 is broken by pulling as it is. To form an outlet. Then, the cotton inside is taken out from the outlet and used.

The paper carton A is disassembled after use, and the procedure will be described with reference to FIG. First, the paper carton A is pressed or held by hand, and the top end panel 18 is pushed and spread by placing a fingertip on the arc-shaped notch 18a at the leading edge of the top end panel 18. Then, the sticking part 16b of the bottom face side end face panel 16 is peeled off and further expanded with the same momentum, whereby the break areas 17a and 19a of the end face flaps 17 and 19 are broken by the perforation α and the top face side end face panel 18 is. It will be attached to the back of the. In this way, the top surface side end panel 18 can be separated from the bottom surface side end surface panel 16 as well as the end surface panels 17 and 19 with one touch. Then, the paper carton A can be easily crushed by peeling off the end face on the opposite side simultaneously or subsequently. Since only the rupture regions 17a and 19a divided by the perforations α on the end face flaps 17 and 19 are torn, it can be disassembled neatly.

  Although the embodiments of the present invention have been described in detail above, the paper carton according to the present invention is not limited to the above embodiments, and various modifications can be made without departing from the spirit of the present invention. It is natural to be.

  For example, the paper carton of the present invention is not limited to a type that stores cotton, but may be a type that stores tissue paper or the like. Further, the content outlet is not limited to the one provided from the upper surface to the front surface, and may be provided only on the upper surface.

It is a perspective view which shows an example of the paper carton concerning this invention. It is a top view of the blank which forms the paper carton of FIG. It is explanatory drawing of the procedure which disassembles the paper carton of FIG.

Explanation of symbols

A paper carton B blank a to l fold line α to γ perforation 11 glue margin flap 11a slit 12 bottom panel 13 back panel 14 top panel 15 front panel 15a knob 16 bottom face side end panel 16a notch 16b sticking part 17 end flap 17a Breaking area 17b Adhering part 18 Upper surface side end panel 18a Notch 19 End face flap 19a Breaking area 19b Adhering part

Claims (1)

It is a rectangular parallelepiped shape, and both end faces are folded by sticking the bottom end panel that is connected to the bottom panel and the top end panel that is connected to the top panel in this order after folding the end flaps on both sides. In each of the paper cartons formed in this way, each end surface flap is partitioned by a perforated long oval break region in the vertical direction near the fold line and toward the top panel. The bottom-side end panel and the top-side end panel are both the width of the back panel and the front panel, that is, the width smaller than the height of the box at the time of assembly and the size of the overlapping part. In order not to overlap the fracture area of the end face flap when assembled into a box shape, a notch portion is formed at each end of the tip, and the end face flap is A part with a cut-off area is used as a sticking part, glued here and pasted to the top side end face panel, and the bottom side end face panel is glued here near the center of the tip that overlaps the top side end face panel. Then, by sticking to the upper surface side facing panel, the upper surface side end surface panel is bonded to the bottom surface side end surface panel, and each end surface flap is bonded only to the upper surface side end surface panel. Paper carton.

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