JPS5914331Y2 - Foldable box forming sheet - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a forming sheet in a foldable box formed by folding a piece of cardboard.

For example, paperboard such as cardboard or even corrugated paper;
2. Description of the Related Art Various folding boxes have been proposed in the past, in which a box body is formed by suitably bending cardboard such as a vinyl sheet, and the box body is used as a trash box or other storage box.

Such a foldable box is convenient because anyone can easily assemble and use it, and it is inexpensive.

However, conventionally well-known collapsible boxes are not necessarily easy to assemble, as each part must be folded and assembled into a box shape, and each joint must be fixed using adhesive or staples. It is difficult to say that it is possible to do so, and it also has drawbacks such as a poor overall appearance and poor appearance when in use.Furthermore, once assembled, it is difficult to disassemble it again.

Folding boxes are also known that use simple notches and tongue pieces so that they can be assembled and disassembled as needed, but in this case, there is a problem with the strength of the box body. , and it was badly presented.

The present invention was developed in view of these points, and consists of a piece of cardboard that is folded and formed, and the folded side portions are overlapped with the side portions provided on the back side of the paper, resulting in a two-layered structure. At the same time, a bottom part, a front part, and a new upper part shorter than the bottom part are continuously provided on the lower side of the back,
In addition, the simple structure in which the folded pieces provided on both sides of the bottom and upper folded parts are held together by the two stacked side panels enables anyone to easily and reliably assemble the box. To provide a sheet for forming a folding box, which guarantees strength, has a good appearance, and can obtain an inexpensive folding box.

Hereinafter, the present invention will be explained in detail using embodiments shown in the drawings.

FIGS. 1 to 3 show an embodiment of a sheet for forming a foldable box according to the present invention. In this embodiment, a foldable box formed by folding the sheet for forming a foldable box is provided with a tissue paper stand. The case where it is used as a trash can will be explained.

Now, the feature of the present invention is that the foldable box, generally designated by the reference numeral 10, consists of a forming sheet continuously formed from a single piece of cardboard, as is clear from FIG. Moreover, by sequentially bending each part and assembling them together, the box can be assembled easily and reliably.

To explain this in detail, the part indicated by the reference numeral 11 in the figure is the back part forming the back plate of the box, and on both sides thereof there are folded edges 12.
A pair of side surfaces 13.13 are provided via 12.

These pair of side parts 13.13 are parts that become side plates of the box body, and an extension part 1 extending downward from the back part 11.
3a and 13a, which constitute the legs of the box.

In addition, side folded parts 15.15 are provided on the sides of these side parts 13° 13 through fold lines 14.14, and these pair of side folded parts 15.15 are arranged on the inside of the box body. It is folded to overlap the corresponding side part 13.13.

The center portions of the lower edges of the pair of side folded portions 15 and 15 are cut upward into a substantially rectangular shape, thereby allowing the bent piece of the bottom portion to be described later to be formed between the side portion 13 and the side folded portion 15. Locking notches 16, 16 are formed for insertion between the two.

Further, the upper edges of these side folded portions 15.15 are inclined edges 17a, 17 which are inclined toward the lower rear of the box body.
a and horizontal edge 17b.

17b, with cutouts 17, 17 formed therebetween.

These notches 17, 17 are parts for locking the side edges of the folded piece of the upper folded part, which will be described later, and the tip of the new bent piece is inserted between the side face part 13 and the side folded part 15 in the same way as described above. It is kept in the same state.

In this embodiment, the fold line 14 that defines the space between the side surface portion 13 and the side folded portion 15 is made up of two parallel fold lines 14 a and 14 b at a predetermined interval, and a fold line 14 is formed between the two parallel fold lines 14 a and 14 b. The band-shaped portion 14C is provided to add some thickness to the side plate of the box body, improve its appearance, and ensure some degree of strength, and is not necessarily a necessary portion.

Further, in the figure, reference numeral 18 denotes an upper folded portion provided through two fold lines 19 and 19 parallel to the upper side of the back surface portion 11, whose length is shorter than that of the back surface portion 11, and which is located above the back surface portion 11. are superimposed on each other from the inside of the box.

Holes 11a and 18a are formed in the overlapping portion of the back surface portion 11 and the upper folded portion 18, and these serve as gripping portions of the box.

Further, the upper edges of the pair of side surfaces 13 have a shape that slopes downward at the front part of the box body, and in line with this, the horizontal folded part 20 and the inclined folded part 21 are formed at the fold line 22.
23.

Of course, these fold lines 22 and 23 are also constituted by two parallel fold lines.

Further, in the folded state, the horizontal and inclined folded portions 20, 21 have their leading ends covered by the upper edge portions of the side folded portions 15 and are pressed against the side surface portions 13.

On the other hand, on the lower side of the back surface section 11, as is clear from FIG.
are formed in a series along fold lines 27, 28, 29, respectively, and these parts 24, 25, 26 are bent and placed between the side plates of the box body consisting of the side part 13 and the side folded part 15. be mediated.

That is, the width of the bottom portion 24 is narrower than that of the back surface portion 11 by the width of the strip portions 14C, and the length thereof is slightly shorter than the width of the side portion 13.

A pair of bent pieces 3 are provided on both sides of the bottom portion 24.
0.30 is provided through the fold lines 30a, 30a, which form the lower cutout 16 of said side flap 15.15.
, 16.

In this embodiment, the bottom surface portion 24 is arranged to be inclined toward the lower front of the box body, and the locking edges of the notches 16 are formed to be inclined accordingly.

Further, the upper bent portion 26 provided on the front end side of the front portion 25 facing the back portion 11 is formed shorter than the bottom portion 24 so as to form a storage opening in the upper part of the box body. On both sides, a pair of folded pieces 31.31 are placed at the fold line 3.
1a and 31a.

When assembled, these pair of bent pieces 31.31 are formed by the inclined edge 17a on the upper side of the side folded portion 15.15,
17a, and is an important part for assembling this upper folded part 26 by being inserted into the gap between it and the side part 13.13, and its front side edge is on the upper side of the side folded part 15.15. It abuts against the notches 17, 17 and is locked.

Note that the front end portions on both sides of this upper new curved portion 26 are bent pieces 31.
31, and this protrusion 26
a, 26a play the role of pressing the upper side of the side folded portion 15.15 against the side surface portion 13.13.

Further, the front end of the upper bent portion 26 is notched leaving both sides thereof, and furthermore, on the proximal end side of the notch 32, there is an elastic edge formed by the notches 33a, 33a and the fold line 33b. 33 are provided.

The sheet for forming the large folding box 10 constructed as described above can be easily and reliably bent and formed as follows.

First, in FIG. 1, the upper folded portion 18 is connected to the back portion 11 of the forming sheet and the side portions 13 and 13 on both sides thereof.
, the horizontal and inclined folds 20.21 are overlapped by folding them inwardly through their respective fold lines.

Next, the side folds 15.15 are folded inwardly to each side part 13.13 through the fold line 14 so as to overlap each side part 13.13, and the side parts 13.13 are folded to the back side along the fold line 12.12. Bend it approximately perpendicularly to the section 11 (see Figure 3).

Then, with respect to the back part 11, the bottom part 24, the front part 25, and the upper bent part 26 are aligned at respective fold lines 27, 28, 2.
9, and then fold the bent pieces 30.30 on both sides of the bottom part 24.
The side part 13 and the side folded part 1 through the notch 16.16
5, lift the upper bent part 26 above the box body and insert the bent piece 31.31 from the inclined edges 17a, 17a of the side folded part 15.15 to the side part 13. Insert it between them, and lock the side edges against the notches 17, 17.

As a result, the upper folding piece 26 is assembled between the side panels of the box body formed by the side surface portions 13 and the side folded portions 15, and the folding large box 10 shown in FIG. 2 is completed.

According to such a configuration, the large folding box 10 can be assembled easily and reliably by simple bending and insertion of the folding pieces 30 and 31, and the upper part that serves as the locking part of the box body The bent piece 31.31 of the bent part 26 has a notch 17,
17 and insertion between the side part 13 and the side folded part 15, it is held elastically, maintains the assembled state securely, guarantees the strength of the box body, and also improves the appearance. It has advantages such as good appearance and low cost.

Moreover, the folding large box 10 formed by folding in this way is
It is used as shown in FIG.

That is, in the figure, the tissue paper A placed in the upper opening of the box is supported from below by the horizontal edges 17b, 17b formed above the side folds 15.15.

A notch 32 provided in the upper bent portion 26 serves as an input port for the trash can.

In this way, the large folding box 10 can be used as a trash can with a good appearance, and is also easy and convenient to use.

In addition, when the folding large box according to the present invention is used as a trash box with a tissue paper stand, it is convenient to form the folding large box using a cardboard box for packaging tissue paper.

In this case, it is advisable to print the developed view of the folding large box shown in FIG. 1 on the front or back side of the packaging cardboard box so that anyone can easily cut it out and use it as a forming sheet.

In addition, in the above-mentioned embodiment, the case where the folding box made of the forming sheet according to the present invention is used as a trash box has been described, but the folding box is not limited to this, and it can be freely used as various storage boxes.

The shape of each part may be changed as appropriate depending on the purpose of use.

In short, the folding sheet for forming an open phase according to the present invention has a side surface on both sides of the back surface and a folded side surface overlaid on the side surface, a bottom surface on the bottom, a front surface and an upper fold that is shorter than the bottom surface. Each of the bent portions is continuously provided, and the bent portions are bent, and a pair of bent pieces provided on both sides of the bottom portion and the upper bent portion can be inserted and held between the side portion and the side folded portion. It is sufficient if it is configured as follows.

As explained above, according to the folded phase-defining sheet according to the present invention, it is made of a single piece of cardboard that is folded and formed.
In addition, by superimposing the side folded parts on the side parts on both sides of the back part, it is made into two layers, and in the gap therebetween, there is a bottom part on the lower side of the back part and an upper folded part provided on this bottom part via the front part. Since the structure is such that both sides and the bent pieces can be inserted and held together, the simple structure allows anyone to assemble easily and reliably. Not only does it guarantee strength, it can be easily disassembled, it has a good appearance, it is suitable for various storage boxes, and it is inexpensive, so it has great practical effects.

[Brief explanation of drawings]

The figures show an embodiment of the folded phase-opening forming cylindrical structure according to the present invention, in which Fig. 1 is a developed view of the whole, Fig. 2 is a perspective view showing the completed assembly state, and Fig. 3 shows the folding process. A perspective view, FIG. 4 is a perspective view showing a state in which this is used as a trash can. 10... Six-phase folding, 11... Back part, 12... Crease line, 13... Side part,
14...Fold line, 15...Side folded part, 16.17...Top and bottom notches, 24...
...Bottom part, 25...Front part, 26...
・Top bending part, 27.28.29...Fold line,
30.31...Bent piece.

Claims (1)

[Scope of utility model registration request] A forming sheet made of a piece of cardboard for folding and forming a foldable box, which includes a back surface 11 and a pair of side surfaces 13 provided on both sides of this back surface 11 through fold lines 12 and 12.
．． 13, a pair of side folded portions 15.15 provided on the sides of the pair of side portions 13.13 via fold lines 14.14, respectively, and overlapped with the corresponding side portions 13; and the back portion 11. a bottom part 24 that is provided on the lower side via a fold line 27 located above the lower edges of the side part 13 and the side folded part 15, and has a pair of bent pieces 30 and 30 on both sides thereof; A front part 25 is provided continuously on this bottom part 24 via a fold line 28, and this front part 25
and an upper bent part 26 that is shorter than the bottom part 24 and has a pair of bent pieces 31 and 31 on both sides of the upper bent part 26, which is continuous with the fold line 29, and has a pair of bent pieces 31 and 31 on both sides thereof. Notches 16, 16 are formed on the lower edge of the portion 15.15 for inserting the bent piece 30.30 of the bottom portion 24 between the side surface portion 13 and the side folded portion 15, and
A bent piece 31 of the upper bent part 26 is also inserted between the side part 13 and the side folded part 15 on its upper edge.
Notches 17, 17 are formed to lock the side edges of the upper bent portion 26, and the notches 17, 17 are formed on both sides of the front end of the upper bent portion 26.
A sheet for forming a foldable box, characterized in that protrusions 26a, 26a are formed that protrude beyond the side edges of the folding pieces 31, 31 that are engaged with the folding pieces 31, 31.