JP3127196U - Assembled carton - Google Patents

Abstract

An assembly type carton capable of reducing the amount of paper used, reducing the gluing process, and ensuring the compressive strength is provided.
A bottom plate 3 having a rectangular shape, a pair of main flaps 4a and 4b connected to bendable to short sides 3a and 3b of the bottom plate 3, and a bendable to bendable to long sides 3c and 3d of the bottom plate 3 are provided. It is an assembly type carton that is assembled by bending a blank sheet 2 including a pair of side flaps 5a and 5b along the ruled lines L1 to L4, and the pair of side flaps 5a and 5b includes the long side 3c of the bottom plate 3, The width of one side flap 5a is biased to the side of one main flap 4a rather than the central portion of the long side 3c of the bottom plate 3, and the other side flap is formed. 5b is provided so as to be biased toward the other main flap 4b side from the central portion of the long side 3d of the bottom plate 3.
[Selection] Figure 2

Description

  The present invention relates to an assembly type carton that is assembled by bending a blank sheet along a ruled line.

For example, in a carton 100 shown in FIG. 9, a blank sheet obtained by punching a paper board with a ruled line is bonded to the side surface, which is glued while being bent along the ruled line, to form a rectangular tubular body 100a. , And sealed by inserting the glued insertion flap 100b. Such an insertion flap type carton 100 has been widely used conventionally as a container for storing a plurality of sheet-like materials such as haptics, for example (see, for example, Patent Documents 1 to 3).
Japanese Utility Model Publication No. 62-127920 Japanese Patent Laid-Open No. 10-167366 Japanese Utility Model Publication No. 57-159632

  However, such a carton 100 has a problem that a large amount of paper is used, and there are many necessary processes such as a side gluing process and a flap sealing process, which are relatively expensive.

  Therefore, the present invention has been proposed in view of such conventional circumstances, and provides an assembly type carton that can reduce the amount of paper used, reduce the gluing process, and ensure the compressive strength. The purpose is to do.

  In order to achieve this object, the invention according to claim 1 is directed to a bottom plate having a rectangular shape, a pair of main flaps that are foldably connected to two opposite sides of the bottom plate, and another bottom plate. An assembly type carton that is assembled by folding a blank sheet along a ruled line with a pair of side flaps connected to bendable on two opposite sides, the pair of side flaps being another relative of the bottom plate And one side flap is biased toward the one main flap side from the central portion of one side connected to the bottom plate, and the other side The side flap is biased toward the other main flap from the center of the other side connected to the bottom plate, and is an assembly type carton.

  Further, the invention according to claim 2 is that a side plate according to the thickness of the article is provided between the bottom plate and the pair of main flaps and between the bottom plate and the pair of side flaps. The assembly type carton according to claim 1, characterized in that it is a carton.

  According to a third aspect of the present invention, a pair of recesses are provided on the other two opposite sides of the bottom plate, and one recess has a shape that matches the contour of the one side flap and the other of the bottom plate. Located on the opposite side of the other side flap across the center of the side, the other recess has a shape that matches the contour of the other side flap, and the center of one side of the bottom plate 3. The assembly type carton according to claim 1, wherein the assembly type carton is provided on a side opposite to one side flap.

  According to a fourth aspect of the present invention, the pair of main flaps includes an insertion hole provided in one main flap, and an insertion piece provided in the other main flap so as to be inserted into the insertion hole. The assembly type carton according to any one of claims 1 to 3, wherein the assembly type carton is provided.

  According to a fifth aspect of the present invention, there is provided one connecting piece for connecting between the one main flap and the one side flap, and a connection between the other main flap and the other side flap. The assembly carton according to any one of claims 1 to 4, wherein the other connecting piece is provided.

  As described above, in the assembly type carton according to claim 1 of the present invention, the pair of side flaps is formed with a width of 1/2 or less with respect to the width of the other two opposite sides of the bottom plate, The side flap is biased to one main flap side from the central portion of one side provided continuously with the bottom plate, and the other side flap is biased to the other main flap side than the central portion of the other side provided continuously to the bottom plate. Therefore, the amount of paper used can be reduced, and the compression strength can be secured by folding the pair of main flaps with respect to the pair of side flaps. In addition, this assembled carton can be easily assembled without being glued while folding a blank sheet along a ruled line, and is particularly suitable for storing a thin article inside or packaging the outside of an article. Can be used.

  In the assembly type carton according to claim 2 of the present invention, the side plate corresponding to the thickness of the article to be stored is provided between the bottom plate and the pair of main flaps and between the bottom plate and the pair of side flaps. The storage space according to the thickness of the can be secured.

  In the assembly type carton according to claim 3 of the present invention, one concave portion having a shape matching the contour of one side flap is located on the opposite side of the other side flap across the central portion of the other side of the bottom plate. The other concave portion having a shape that matches the contour of the other side flap is provided on the opposite side of the one side flap across the central portion of one side of the bottom plate. When punching blank sheets, adjacent blank sheets can be efficiently molded without causing a surplus portion between one concave portion and one side flap and between the other concave portion and the other side flap. Can be removed. Therefore, in this assembly type carton, the yield of the blank sheet obtained from one sheet body can be improved, the amount of paper used can be reduced, and the manufacturing cost can be reduced.

  In the assembly type carton according to claim 4 of the present invention, by inserting the insertion piece provided in the other main flap into the insertion hole provided in the one main flap, the other main flap is connected to the one main flap. Can be easily fixed without being glued.

  In the assembly type carton according to claim 5 of the present invention, one connecting piece that connects between one main flap and one side flap, and the other that connects between the other main flap and the other side flap. By providing these connecting pieces, the side flaps can be bent in conjunction with the bending of the main flap via these connecting pieces. Therefore, the assembling work of this assembling type carton can be further facilitated.

Hereinafter, an assembly type carton to which the present invention is applied will be described in detail with reference to the drawings.
(First embodiment)
FIG. 1 is a perspective view showing an external appearance of an assembly type carton 1 to which the present invention is applied, and FIG. 2 is a plan view showing a blank sheet 2 in which the assembly type carton 1 is developed. In FIG. 2, a solid line indicates a cutting line of the blank sheet 2, and a broken line indicates a crease line (ruled line) of the blank sheet 2.

  The assembly type carton 1 to which the present invention is applied is a holder for storing a sheet-like material such as a happing agent, and is assembled by bending a blank sheet 2 punched out by putting a ruled line in a paperboard along the ruled line.

  Specifically, the blank sheet 2 constituting the assembly type carton 1 includes a bottom plate 3 having a rectangular shape, a pair of main flaps 4a and 4b continuously connected to the short sides 3a and 3b of the bottom plate 3, and a bottom plate. And a pair of side flaps 5a and 5b connected to the long sides 3c and 3d. Further, between the bottom plate 3 and the pair of main flaps 4a and 4b and between the bottom plate 3 and the pair of side flaps 5a and 5a, there are side plates 6a, 6b, 6c and 6d corresponding to the thickness of the sheet-like material, respectively. Is provided.

  That is, the side plates 6a and 6b are connected to the bottom plate 3 with the ruled line L1 along the short sides 3a and 3b interposed therebetween, and the side plates 6a and 6b on the short side are connected to the bottom plates 3a and 3b. A pair of main flaps 4a and 4b are connected with a ruled line L2 along the side facing the side interposed therebetween. Further, side plates 6c and 6d are connected to the bottom plate 3 across a ruled line L3 along the long sides 3c and 3d. The side plates 6c and 6d on the long side are connected to the side plate 6c and 6d. A pair of side flaps 5a and 5b are connected across a ruled line L4 along the opposing sides.

  The pair of main flaps 4a and 4b are formed with a width W1 that coincides with the short sides 3a and 3b of the bottom plate 3 together with the side plates 6a and 6b. Further, although the pair of main flaps 4a and 4b are formed to be shorter than the width W2 of the long sides 3c and 3d of the bottom plate 3, the one main flap 4a and the other main flap 4b are folded and overlapped. The bottom plate 3 has a length dimension of 1/2 or more with respect to the width W2 of the long side 3c.

  Of the pair of main flaps 4a and 4b, one main flap 4a is provided with an insertion hole 7, and the other main flap 4b is provided with an insertion piece 8 that can be inserted into the insertion hole 7. It has been. The insertion hole 7 is formed of a linear slit that is located at a substantially central portion on the distal end side of the main flap 4 a and is cut out by a width corresponding to the insertion piece 8. The insertion piece 8 is formed so as to protrude from the center of the front end portion of the main flap 4b.

  Of the pair of side flaps 5a, 5b, one side flap 5a is formed with the side plate 6a to have a width of 1/2 or less with respect to the width W2 of the long side 3c of the bottom plate 3, and the long side of the bottom plate 3 It is biased toward one main flap 4a side from the central portion of 3c. The other side flap 5b is formed with the side plate 6b so as to have a width equal to or less than ½ of the width W2 of the long side 3d of the bottom plate 3, and the other main flap is located on the other side of the central portion of the long side 3d of the bottom plate 3. It is biased to the 4b side.

  When assembling the assembly-type carton 1 from the blank sheet 2 as described above, first, as shown in FIG. 3, the side plates 6c and 6d on the long side are bent along the ruled line L3, and a pair of side flaps 5a and 5b. Is bent along the ruled line L4, so that the pair of side flaps 5a and 5b are bent toward the inside of the bottom plate 3. At this time, the sheet-like object arranged on the bottom plate 3 is held by the pair of side flaps 5a and 5b.

  Next, as shown in FIG. 1, the side plates 6a and 6b on the short side are folded along the ruled line L1, and the pair of main flaps 4a and 4b are folded along the ruled line L2, thereby forming a pair of side flaps 5a, A pair of main flaps 4a and 4b is folded with respect to 5b, and the other main flap 5b is folded on one main flap 4a. Then, by inserting the insertion piece 8 into the insertion hole 7 in this state, the other main flap 4b can be easily fixed without being glued to the one main flap 4a.

  As described above, the assembly type carton 1 can be easily assembled without being glued while the blank sheet 2 is bent along the ruled lines L1 to L4. And a sheet-like object can be stably stored (held) inside the assembly type carton 1.

  In the assembly type carton 1 having the above-described structure, the pair of side flaps 5a and 5b is formed with a width of 1/2 or less with respect to the width W2 of the long side 3c of the bottom plate 3, and the length of the bottom plate 3 is long. Since the center portion of the side 3c is biased toward the one main flap 4a and the center portion of the long side 3d of the bottom plate 3 is biased toward the other main flap 4b, the amount of paper used can be reduced. Can be reduced. Therefore, in this assembly-type carton 1, since the amount of paper used can be reduced and the gluing process can be reduced, the manufacturing cost can be reduced.

  Moreover, in this assembly type carton 1, the side plate 6a according to the thickness of the sheet-like material accommodated between the bottom plate 3 and the pair of main flaps 4a and 4b and between the bottom plate 3 and the pair of side flaps 5a and 5b. , 6b, 6c, 6d can secure a storage space corresponding to the thickness of the sheet-like material. Furthermore, by compressing the pair of main flaps 4a and 4b with respect to the pair of side flaps 5a and 5b, the compressive strength can be secured, and this is particularly suitable for storing a thin sheet-like material. Can do.

In addition, this invention is not necessarily limited to the thing of the said embodiment, A various change can be added in the range which does not deviate from the meaning of this invention.
Hereinafter, another embodiment of the assembly type carton to which the present invention is applied will be described. In addition, in the following description, about the site | part equivalent to the said assembly-type carton 1, while omitting description, the same code | symbol shall be attached | subjected in drawing.

(Second Embodiment)
FIG. 4 is a plan view showing a blank sheet 20 in which another assembly type carton to which the present invention is applied is developed. In FIG. 4, the solid line indicates the cutting line of the blank sheet 20, and the broken line indicates the crease line (ruled line) of the blank sheet 20.
The blank sheet 20 shown in FIG. 4 has a configuration in which a pair of recesses 9a and 9b are provided on the long sides 3c and 3d of the bottom plate 3 in addition to the configuration of the black sheet 2 shown in FIG.

  Among these, one recessed part 9a has the shape which matched the outline of one side flap 5a and the side plate 6a, and is on the opposite side to the other side flap 5b across the center part of the long side 3d of the bottom plate 3 It is provided in the position. The other concave portion 9a has a shape that matches the contours of the other side flap 5b and the side plate 6b, and is located on the opposite side of the one side flap 5a across the center of the long side 3c of the bottom plate 3. Is provided.

  In the assembly type carton having such a configuration, as shown in FIG. 5, when a plurality of blank sheets 20 are punched from one sheet body S, adjacent blank sheets 20 are separated from one recess 9 a and one side. It is possible to efficiently perform die cutting without generating a surplus portion between the side flaps 5a and between the other concave portion 9a and the other side flap 5b.

  Therefore, in this assembly type carton, the yield of the blank sheet 20 obtained from one sheet body S can be improved, the amount of paper used can be reduced, and the manufacturing cost can also be reduced.

(Third embodiment)
FIG. 6 is a plan view showing a blank sheet 30 in which another assembling carton to which the present invention is applied is developed. In FIG. 6, the solid line indicates the cutting line of the blank sheet 30, and the broken line indicates the crease line (ruled line) of the blank sheet 30.

  The blank sheet 30 shown in FIG. 6 includes, in addition to the configuration of the black sheet 2 shown in FIG. 2 described above, one connecting piece 10a that connects between one main flap 4a and one side flap 5a, and the other The other connecting piece 10b for connecting the main flap 4b and the other side flap 5b is provided.

  Among these, the one connecting piece 10a is formed with a width corresponding to the side plates 6a and 6c, and can be bent along the ruled line shown in FIG. The other connecting piece 10b is formed with a width corresponding to the side plates 6b and 6d, and can be bent along the ruled lines shown in FIG.

  In the assembly type carton having such a configuration, the side flaps 5a and 5b can be bent in conjunction with the bending of the main flaps 4a and 4b via the connecting pieces 10a and 10b. Therefore, in the assembly type carton shown in FIG. 6, the assembly work can be further facilitated.

(Fourth embodiment)
FIG. 7 is a plan view showing a blank sheet 40 in which another assembled carton to which the present invention is applied is developed. In FIG. 7, the solid line indicates the cutting line of the blank sheet 40, and the broken line indicates the crease line (ruled line) of the blank sheet 40.

  A blank sheet 40 shown in FIG. 7 replaces the insertion hole 7 and the insertion piece 8 of the black sheet 2 shown in FIG. 2 described above, and a pair of hook portions 11a and 11b that can engage with the pair of main flaps 4a and 4b. Is provided.

  In the assembly-type carton having such a configuration, the other main flap 4b is engaged with the pair of hook portions 11a and 11b while the other main flap 5b is folded on the one main flap 4a. It can be easily fixed without gluing to one main flap 4a.

(Fifth embodiment)
FIG. 8 is a plan view showing a blank sheet 50 in which another assembling carton to which the present invention is applied is developed. In FIG. 8, the solid line indicates the cutting line of the blank sheet 50, and the broken line indicates the crease line (ruled line) of the blank sheet 50.
The blank sheet 50 shown in FIG. 8 has a configuration in which the side plates 6a, 6b, 6c, and 6d of the black sheet 2 shown in FIG. 2 are omitted. In the case of this configuration, it can be suitably used particularly when an article having a small thickness is accommodated inside or the outside of the article is packaged.

In the assembly type carton to which the present invention is applied, as shown in FIGS. 2 to 7, it is possible to provide the bottom plate 3 with a through hole 12 for confirming an article to be stored.
In addition, the blank sheet is not limited to the above-described paper, and for example, a plastic sheet, a sheet coated with a resin on the surface of the paper, or a sheet bonded to paper and a plastic film may be used. it can.
In the case of a paper blank sheet, the paper grain can be appropriately selected, but it is usually preferable to use a vertical grain in the compression direction.
Further, the article is not limited to the sheet-like material described above, and is not particularly limited as long as it can be accommodated inside or packaged outside.

FIG. 1 is a perspective view of an assembly-type carton shown as the first embodiment. FIG. 2 is a plan view of a blank sheet in which the assembly type carton shown in FIG. 1 is developed. FIG. 3 is a perspective view for explaining a state in which the assembly type carton shown in FIG. 1 is assembled. FIG. 4 is a plan view of a blank sheet in which the assembly type carton shown as the second embodiment is developed. FIG. 5 is a plan view for explaining a state in which the blank sheet shown in FIG. 4 is punched. FIG. 6 is a plan view of a blank sheet in which the assembly type carton shown as the third embodiment is developed. FIG. 7 is a plan view of a blank sheet in which the assembly type carton shown as the fourth embodiment is developed. FIG. 8 is a plan view of a blank sheet in which the assembly type carton shown as the fifth embodiment is developed. FIG. 9 is a perspective view showing a conventional insertion flap type carton.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Carton 2 ... Blank sheet 3 ... Bottom plate 4a, 4b ... Main flap 5a, 5b ... Side flap 6a, 6b, 6c, 6d ... Side plate 7 ... Insertion hole 8 ... Insertion piece 9a, 9b ... Recessed part 10a, 10b ... Connection piece 11a, 11b ... hook part 12 ... through hole

Claims (5)

A bottom plate having a rectangular shape, a pair of main flaps continuously connected to two opposite sides of the bottom plate, and a pair of side flaps continuously connected to the other two opposite sides of the bottom plate An assembly type carton that is assembled by folding a blank sheet with a ruled line,
The pair of side flaps is formed with a width of 1/2 or less with respect to the width of the other two opposite sides of the bottom plate, and one side flap is connected to the bottom plate at a central portion of one side. The other side flap is provided more biased toward the other main flap side than the central part of the other side connected to the bottom plate. Assembled carton.   The side plate according to the thickness of the articles | goods to accommodate is provided between the said baseplate and the said pair of main flaps, and between the said baseplate and the said pair of side flaps, It is characterized by the above-mentioned. Assembly carton.   A pair of recesses are provided on the other two opposite sides of the bottom plate, and one recess has a shape that matches the contour of the one side flap, and the other side of the other side of the other side of the bottom plate. Located on the opposite side of the side flap, the other recess has a shape that matches the contour of the other side flap, and is located on the opposite side of the one side flap across the center of one side of the bottom plate The assembly type carton according to claim 1 or 2, wherein the assembly type carton is provided.   The pair of main flaps includes an insertion hole provided in one main flap and an insertion piece provided in the other main flap so as to be inserted into the insertion hole. 4. The assembly type carton according to any one of items 3.   One connecting piece that connects between the one main flap and the one side flap, and the other connecting piece that connects between the other main flap and the other side flap are provided. The assembly type carton according to any one of claims 1 to 4, wherein the assembly type carton is provided.

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