JPH10157725A - Knockdown type package box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate the need for a cushioning material and reduce cost, by connecting lid pieces to one pair of opposite sides of a square bottom via creases, by connecting fold pieces to other pair of opposite sides of it via creases, and by folding up the fold pieces to set up, thereby making them serve as cushions. SOLUTION: To set up a setup package box, turn-up pieces 21 and 22 are first folded inside along creases 19 and 20, then their upper plates 21b and 22b are folded outside over upon their lower plates 21a and 22a, respectively, along perforations 37 and 39. In the case, by the formation of projecting part 34 and 36 by cuts 33 and 35, the upper plate 21b and 22b are folded over upon the lower plates 21a and 22a, respectively, so that they are further inside than the lower plates 21a and 22a by the amounts of projecting parts 34 and 36, respectively, therefore a bottom 11 and the projecting parts 34 and 36 serve as cushions which absorb shock. Then, onto the folded turn-up pieces 21 and 22 and the bottom 11, a book or the like, an item to be packaged, is placed, lid pieces 25 and 27 are folded along creases 23 and 24 to wrap the book in, and their both ends are superimposed one on top of the other to pack it in.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an assembling type packaging box suitable for mailing heavy goods such as books, magazines and the like.

[0002]

2. Description of the Related Art Conventionally, assembling-type packaging boxes are sometimes used for wrapping goods. Particularly, when the size of an object to be packaged is not constant, it is bent while being bent according to the size of the object to be packaged. Prefabricated packaging boxes that are configured to be packaged are used. For example, in order to mail a product such as a book or a magazine which has a constant shape but a different thickness depending on the number of books, a prefabricated packaging box provided with a folding piece that can be freely bent is used. .

FIG. 7 shows a typical assembly type packaging box conventionally used. Two cardboard folded pieces 3, 3 are provided on both sides of the central portion of the rectangular cardboard main body piece 1 so as to form a substantially cross shape, and further overlap over both ends of the two folded pieces 3, 3. One cushion sheet 5 having a size and made of a foam is provided. The portion of the main body piece 1 that overlaps the folded piece 3 is referred to as a bottom portion 6, and the protruding ends are referred to as lid portions 8. The folded pieces 3, 3 have an end 3 a indicated by oblique lines attached to the inside of the bottom edge 6 by an amount W, and the width of the dimension W is a non-adhered portion 7. Therefore, when the product is packaged by folding the folded pieces 3 and 3, the non-adhered portion 7 having the W dimension is bent outside the attached end 3 a and functions as a cushion for absorbing impact. The cushion sheet 5 has a size that overlaps with the folded pieces 3 and 3, and a central portion 5 a indicated by a vertical line is adhered to the bottom 6, and is separated from the bottom 6 and the folded piece 3 in other portions. ing. A through-hole 6 is provided on the bottom 6 side of one of the lids 8, and a sticking section 9 having release paper is provided at the tip.

Next, a method of using the assembled packaging box having the above configuration will be described with reference to FIG. First, a non-packaged book or the like is placed on the bottom 6 and the cushion sheet 5 with the main body piece 1, the folded pieces 3, 3 and the cushion sheet 5 opened (FIG. 7). 3 is folded so as to wrap the book, and both ends are overlapped. After that, the cover 8 of the main body piece 1 is bent to wrap a book or the like, the ends are overlapped, the release paper of one cover 8 is peeled off, and the sticking section 9 is stuck. The non-sticking portion 7 wrapped and protruded by the cushion sheet 5 does not damage books and the like due to rough handling during mailing.

[0005]

However, the assembling type packaging box has the following problems. That is, since the folded pieces 3 and 3 and the cushion sheet 5 are adhered to the main body piece 1, a large number of processes such as cutting and attaching are required for the production, and the production is troublesome and cost increases. Become. In addition, the use of foam cushion sheets not only increases the cost, but also
At the time of disposal after use, the cushion sheet must be separated, which increases the disposal cost. Further, even in the open state, the use of the cushion sheet increases the thickness and increases the bulk, so that there is a problem that transport and storage efficiency is poor. The present invention has been made in view of such a situation, and provides an assembling-type packaging box which solves the above-mentioned problems, is easy to assemble during manufacture and use, and has excellent cushioning properties without damaging a product. Things.

[0006]

The present invention has the following configuration to achieve the above object. That is, in the assembling type packaging box according to the first aspect of the present invention, the first lid portion is continuously provided on both opposing sides of the square bottom via folds, and the folded pieces are provided on the other opposing sides via folds. A second lid is connected to one side of the folded piece in parallel with the first lid in a diagonal direction of the bottom via a fold, and the folded piece has a second lid. A perforation is provided at an angle of 45 degrees with respect to the fold from the inner end of the continuous fold, and the lower plate and the upper plate are divided into a lower plate and an upper plate. Is characterized in that the bottom side is a projection which does not overlap with the upper plate. Further, in the assembling type packaging box according to claim 2, the length of the folded piece and the width of the second lid portion are the same, and the protrusion of the lower plate in the folded piece, the second lid plate, Is characterized by being divided by cuts. The width of the folded piece is the same as the width of the bottom, the length of the folded piece is larger than the width of the second lid, A cutout is provided between the first lid portion and the second lid portion in a range of the protruding portion of the lower plate in the overlapping piece. Further, the assembling type packaging box according to claim 4 is characterized in that a through hole or / and a sticking part is provided in the first lid part.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The illustrated embodiment will be described below in detail. FIG. 1 is an exploded perspective view of the assembly type packaging box according to the present invention. The assembling type packaging box 10 is formed by punching cardboard or cardboard in a developed shape. Numeral 11 denotes a square bottom, and first lids 15, 1 are formed on opposite sides of the bottom 11 via folds 13, 14 formed of linear concave portions.
7 is further provided on the other opposing sides of the bottom 11 via folds 19 and 20 comprising linear concave portions. The second lid 25 through the folds 23 and 24 made of
27 are connected in series.

The second lids 25 and 27 are provided in parallel with the lids 15 and 17 in a diagonal direction of the bottom 11 and are larger than the folds 13 and 14 with the first lids 15 and 17. They are separated by cuts 30 and 31 that enter L inside. Width W1 of bottom 11 and folded piece 2
The length W2 of the first and second plates 22 and the width W3 of the second cover plates 25 and 27 are substantially the same. The folded piece 2
Creases 19 and 20 formed by connecting 1, 22 continuously are cuts 3
0 and 31 and are formed shorter by the dimension L than the width of the bottom 11. Cuts 33 and 35 having dimensions are provided in a direction perpendicular to the ends of the folds 19 and 20, and are substantially L-shaped together with the cuts 30 and 31.
The folds 23 and 24 are provided continuously with the cuts 33 and 35.

The folded pieces 21 and 22 are formed from the inner ends of the folds 23 and 24 connecting the second lid portions to the folds 19 and
Perforation 3 at an angle of 45 degrees to 20 at the diagonal
7 and 39 are provided, and are divided into a lower plate 21a and an upper plate 21b and a lower plate 22a and an upper plate 22b. When assembled, the upper plate is folded on the lower plate. When folded, lower plate 2
On the bottom 11 side of 1a, 22a, a protruding portion 34 which does not overlap with the upper plates 21b, 22b by a width of a size indicated by a two-dot chain line;
36, which acts as a cushion as described later. That is, the bottom side of the lower plates 21a, 22a is connected to the upper plate 21 from the inner ends of the folds 23, 24 connecting the second lids 25, 27 in series.
Projections 34, 36 which do not overlap with b, 22b.

At the corners of the folded pieces 21 and 22, cutouts 40 and 41 for facilitating bending are formed.
In the vicinity of the bottom 11 side of the first lid 15, a through hole 43 for confirming a non-package is formed.
A non-drying pressure-sensitive adhesive is applied, and a sticking section 45 formed by sticking a release paper is provided. At the time of packaging, the release paper is removed and the sticking is performed. Note that the notches 40 and 41 can be omitted as appropriate, and the through-hole 43 and the sticking portion 45 may be provided in separate lids, respectively, but both are provided in only one lid. Is also good.

Next, a method of using the assembled packaging box having the above structure will be described with reference to FIGS. First, fold 1
Folding pieces 21 and 22 are bent inward from 9 and 20,
Next, the upper plates 21b and 22b are bent outward from the perforations 37 and 39, and folded on the lower plates 21a and 22a. The folded pieces 21 and 22 are folded into a substantially triangular shape as shown in FIGS. 2 and 3, and the protruding portions 34 and 36 are in a state of protruding. The cuts 30 and 31 enter the bottom 11 by a dimension L more than the folds 13 and 14, and the upper plates 21 b and 22 b are larger than the lower plates 21 a and 22 a by forming the projections 34 and 36 by the cuts 33 and 35. Projection 3
It is folded inward by 4,36. Bottom plate 1
1 and the protruding portions 34 and 36 have a cushioning effect of absorbing an impact. Then, the folded piece 2
A book or the like which is a non-package is placed on the bottoms 11 and 22 and
The second lids 25 and 27 are bent from the folds 23 and 24 to wrap the books, respectively, and both ends are overlapped (see FIG. 4).

[0012] Thereafter, as shown in FIG.
Is folded from the fold 13 to wrap the book or the like, and then the first lid 17 is folded from the fold 14 to wrap the book in the same manner, and the ends of the lids 15 and 17 are overlapped. Can be removed and attached.

In the packaging box having the above structure, the bottom portion 11 and the lower plate and the upper plate obtained by folding the folded pieces 21 and 22 are folded in three at the bottom portion, and the first lid portion 1 is placed at the lid portion.
The fourth and fifth lids 25 and 27 form a four-ply stack and have sufficient cushioning properties. Therefore, it is unnecessary to use a foam cushion sheet as in the related art. Further, the book and the like are wrapped in a state recessed from both sides of the bottom and the lid, and the bottom plate 21a,
Since the protruding portions 34, 36 of the 22a are folded on the bottom plate 11, the structure becomes double and the strength is further increased. Also,
The cardboard or cardboard can be punched in the unfolded state, and it is not necessary to use a cushion sheet of a different material, so that it can be easily manufactured and assembled.

FIG. 6 is an exploded perspective view showing the second embodiment. In the first embodiment, the cut 3 that enters the bottom 11
0, 31 and cuts 33, 35 are provided, and cuts 33, 35
Is the width of the protrusions 34 and 36, the width of the folded pieces 21 and 22 is smaller than the width of the bottom 11, and the width W1 of the bottom 11 and the width of the
1, 22 length dimension W2 and lid plates 25, 27 width dimension W3
And almost the same. In this embodiment, the folded piece 2
1, 22 and the bottom 11 have the same width, and the length W2 of the folded pieces 21 and 22 is larger than the width W1 of the bottom 11 and the width W3 of the cover plates 25 and 27. is there. In the following, the same components are denoted by the same reference numerals, and description thereof is omitted.

In the second embodiment, on the extension of the folds 13 and 14, folded pieces 47 and 49 having the same width as the bottom 11 are provided.
The second lids 50 and 51 formed continuously are provided with a cut 3
Notches 53 and 55 replace lids 15 and 17 instead of 0 and 31.
And are separated. The folded pieces 47 and 49 are
Perforations 57, 59 are provided from the inner ends of the folds 23, 24 connecting the lids to the diagonal portions at an angle of 45 degrees with respect to the folds 19, 20, and the lower plate 47a, the upper plate 47b, and the lower plate The lower plate 47a is divided into an upper plate 49b, and when folded, the bottom 11 side of the lower plates 47a, 49a becomes the protruding portions 60, 61 that do not overlap with the upper plates 47b, 49b in a range indicated by a two-dot chain line. .

In the second embodiment, the same effects as in the first embodiment are obtained, and the width of the folded pieces 47 and 49 is large, so that the mounting area is correspondingly large and the cushioning property is greater. The method of use is the same as in the first embodiment.

[0017]

According to the present invention, the assembling type packaging box according to the present invention can be stamped and formed, so that it is easy to manufacture. In addition, by folding and assembling the folded pieces, a cushioning function can be provided, and the cushion material is omitted. And cost reduction can be achieved. In addition, since the protruding portion on the side surface can have a multilayer structure, it has high strength, and does not damage the packaged object even by rough handling. In addition, since different materials are not used, there is no need for separate disposal, and disposal costs are relatively low. Further, in the unfolded state, only the thickness of the cardboard or the cardboard is used, so that even when the sheets are stacked, they can be efficiently transported and stored.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a first embodiment of the present invention.

FIG. 2 is a perspective view showing a state in which a folded piece is folded.

FIG. 3 is a perspective view of an essential part showing a method of folding a folded piece.

FIG. 4 is a perspective view showing a state where a second lid portion is folded.

FIG. 5 is a perspective view showing a state where a first lid portion is folded.

FIG. 6 is a developed perspective view of a second embodiment of the present invention.

FIG. 7 is an exploded perspective view showing a conventional packaging box.

FIG. 8 is an explanatory perspective view showing a method of using a conventional packaging box.

[Explanation of symbols]

 10 Packaging Box 11 Bottom 13 Fold 14 Fold 15 First Lid 17 First Lid 19 Fold 20 Fold 21 Folded Piece 22 Folded Piece 21a Lower Plate 21b Upper Plate 22a Lower Plate 22b Upper Plate 23 Fold 24 Fold 25 Second Lid 27 Second lid 30 Cut 31 Cut 33 Cut 34 Projection 35 Cut 36 Projection 37 Perforation 39 Perforation 40 Notch 41 Notch 43 Through hole 45 Adhering part 47 Folded piece 49 Folded piece 50 Cover part 51 Lid 53 Notch 55 Notch 57 Perforation 59 Perforation 60 Projection 61 Projection

Claims (4)

[Claims] 1. A first lid portion is continuously provided on opposite sides of a square bottom portion via a fold, and a folded piece is continuously provided on the other opposite sides via a fold, and one of the folded pieces is provided. On the side, a second lid portion is connected in parallel with the first lid portion in a diagonal direction of the bottom portion via a fold, and the folded piece is folded from an inner end portion of the fold where the second lid portion is connected. The lower plate and the upper plate are divided into a lower plate and an upper plate by forming a perforation at an angle of 45 degrees, and the bottom side of the lower plate does not overlap with the upper plate from the inner end of the fold connecting the second lid portion. An assembling-type packaging box characterized by being a part. 2. The length of the folded piece and the width of the second lid are the same, and the projected portion of the lower plate in the folded piece and the second lid are divided by a cut. A prefabricated packaging box. 3. The width dimension of the folded piece is the same as the width dimension of the bottom part, the length dimension of the folded piece is larger than the width dimension of the second lid, and the protruding portion of the lower plate in the folded piece. Characterized in that a cutout is provided between the first lid and the second lid in the range of (1). 4. An assembling type packaging box, wherein a through hole and / or a sticking part is provided in the first lid part.