JP2002321727A - Packaging box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packaging box which can hold the object to be packaged surrounded with flap pieces by securely imparting a cushioning action. SOLUTION: In this packaging box in which a plurality of flap pieces are provided above an inside partition wall so as to surround the object to be packaged and the flap pieces cushion and hold the object to be packaged, a frame body with an opening above the partition wall is formed and the flap pieces are provided so as to abut on the edge portion of the opening.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a packaging box.

[0002]

2. Description of the Related Art FIGS. 11 and 12 show a conventional packaging box 1 which is formed from a cardboard 2 shown in FIG. In the corrugated cardboard 2, the side wall forming portion 5
a, 5b, and 5c are provided so as to be connected to each other via a ruled line, and a partition wall forming portion 7 is integrally provided at a left end portion in the drawing. Inside the packaging box 1, a packaging box part 4 related to the present invention is provided. The bottom forming portions 6a, 6
b, 6c, 6d are provided on the side wall forming portions 5a, 5b, 5c and the partition wall forming portion 7 with ruled lines therebetween.
A lid forming part 8 is provided on the upper part of FIG. 1, a flap part forming part 9 is provided on the left side, and a partition forming part 10 is provided on the left side.
In the partition wall forming portion 10, elongated notches 11a, 11b, 11c and 11d are formed along each side of the square. Such a corrugated cardboard 2 is attached to each ruled line (all indicated by a).
Along the bottom wall forming portions 6a, 6b, 6c, 6d sequentially,
As a result of the assembly, the partition wall forming section 10 is partitioned into an upper space and a lower space at the center of the packaging box 4 (accurately, a packaging box portion, but will be referred to as follows) in FIG. In addition, the flap portions 9a, 9b, 9c, and 9d are folded at 90 degrees along the four sides of the square in the flap portion 9 to be in a state shown in FIG. This flap piece 9
Projections t are formed at the lower ends of a to 9d, which are inserted into the above-mentioned slit-shaped openings 11a to 11d of the partition wall 10. The step of assembling the packaging box 4 shown in FIG. 12 from the cardboard 2 is substantially common to the step of assembling the cardboard according to the embodiment of the present invention later, and will be described in detail later.

In FIG. 12, a mini-disc player M is housed as an article to be packaged on a partition wall 10. Depending on the drop test and handling of the packaging box 1, any one of the flap pieces 9a to 9d is shown in FIG. As shown in the figure, the mini disk player M, which is the packaged object, may get out of the slit-shaped opening and go under it. In this case, the original packaging function and cushioning function cannot be performed. In FIG. 12, reference numeral 3 denotes a space for accommodating accessories.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has an original packaging function and a cushioning function in a packaging box of the above-described type without the object to be sunk under the flap pieces. An object of the present invention is to provide a packaging box capable of fulfilling the requirements.

[0005]

SUMMARY OF THE INVENTION An object of the present invention is to provide a packaging system in which a plurality of flap pieces are provided above an inner partition wall so as to surround the object to be packaged, and the flap pieces hold the object to be buffered. In the box, a frame having an opening above the partition is formed, and the flap piece is provided so as to be in contact with an edge of the opening. A plurality of flap pieces are provided so as to surround the article to be packaged, and in a packaging box configured to buffer and hold the article to be packaged with these flap pieces, a frame having an opening above the partition wall is formed, and The packaging box is characterized in that the flap piece is provided so as to be brought into contact with an edge, and a small opening is formed in the partition wall so as to fit a lower end portion of the flap piece.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a packaging box according to an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 shows a corrugated cardboard 15 according to an embodiment of the present invention. In the figure, parts corresponding to the corrugated cardboard 2 of the conventional example are denoted by the same reference numerals. That is, in the corrugated cardboard 15 according to the present embodiment, a flap portion 9 'is provided on the left side of the lid forming portion 8 as in the conventional example, but at the lower ends of the flap pieces 9a' to 9d ', Unlike the conventional example, the protrusion t is not formed. Accordingly, the left partition wall forming portion 22 does not form any slit-shaped opening. Above this, a frame body forming part 21 according to the present invention is provided, and a square opening 22 is formed in the center part. Next, the assembly process of the packaging box will be described with reference to FIG.

The side wall forming portions 5a, 5a of the cardboard 15 shown in FIG.
b, 5c and the ruled line a formed between the partition 7 and the side walls 5a to 5c, the partition 7 and the bottom wall forming 6a, 6
b, 6c, 6d, the side wall forming portions 5a to 5c and the partition wall forming portion 7 are folded inward, that is, valley-folded, and the bottom wall forming portions 6a to 6d are illustrated. In FIG. 1, after being bent upward at the ruled line a to form the box shown in FIG. 3 in the state shown in FIG. 2, the partition wall forming section 20 and the frame body forming section 21 are formed as shown in FIG. 3 and FIG. The box is folded at the ruled line a. As shown in FIG. 5, the partition wall forming section 20 and the frame body forming section 21 are provided in the box.
Is completely horizontal, that is, horizontal to the bottom wall portions 6a to 6d, the flap portion 9 'is then brought into the state shown in FIG. 5 and folded inward toward the upper surface of the frame 22. Then, fold until it is completely horizontal as shown in FIG. Flap piece 9 of flap part 9 '
a ′ through 9d ′ are folded inward at almost 90 degrees, and FIG.
As shown by, the tip comes into contact with the partition wall forming portion 20. Here, the mini-disc player M to be packaged is stored in the space P surrounded by the flap pieces 9a 'and 9d'.

As shown in FIG. 7, the lid forming portion 8 is closed,
When the engaging portions A and B are engaged, a packaging box 4 'is obtained. FIG. 8 is a cross-sectional view of the packaging box 4 'incorporated in this manner.
The flap pieces 9a 'to 9d' are in contact with the edge of the opening 22. The mini-disc player M to be packaged is housed in a state shown by a dashed line in FIG. 8, but in the present embodiment, the flap piece 9
a ′ and 9d ′ are in contact with the edge of the opening of the frame body 21;
Even in a drop test or handling in which a large impact force is applied, the mini-disc player M keeps the flap pieces 9a 'and 9d' in contact with the edge of the opening 22 of the frame 21 as in the prior art. There is no dive below.

FIG. 9 shows a corrugated cardboard 30 according to another embodiment of the present invention. Parts corresponding to those in the first embodiment are denoted by the same reference numerals, and a detailed description thereof will be omitted.
That is, in the present embodiment, the slit-shaped openings 32a are provided at substantially the center of the partition wall forming portion 31 along each side of the square.
32b, 32c and 32d are formed, and the lower end protrusions t of the flap pieces 9a to 9d of the flap portion 9 'are inserted at the time of assembling as in the conventional case. Thus, a packaging box 4 ″ having the cross-sectional shape shown in FIG. 10 is obtained. In this embodiment, the same operation as in the first embodiment is performed, but the lower end protrusion t is further formed by the slit of the partition wall forming portion 31. By inserting the packaged objects into the openings 32a to 32d, the holding power of the article to be packaged is increased.

Although the embodiments of the present invention have been described above, the present invention is, of course, not limited to these embodiments.
Various modifications are possible based on the technical idea of the present invention.

For example, in the above-described embodiment, the packaging boxes 4 'and 4 "serving as the main packaging section have been described in the packaging box 1. However, it is not necessary to provide the adjacent space 3 to store accessories. Alternatively, the main packaging unit may be configured as a single unit.

In the above embodiment, the frame 21 has the square opening 22 substantially at the center thereof. However, the present invention is not limited to this shape. The arrangement and the number of the flap pieces may be changed according to the shape.

[0014]

As described above, according to the packaging box of the present invention, the package is surrounded by the flap, and the lower end of the flap to be held is separated from the partition wall, and the packaged object is placed under the flap. Thus, the packaged object can be stably and reliably held with a buffering action without sinking into the package.

[Brief description of the drawings]

FIG. 1 is a development view of a cardboard according to an embodiment of the present invention.

FIG. 2 is a perspective view showing an intermediate step of assembling the cardboard into a packaging box.

FIG. 3 is a perspective view showing a step following FIG. 2;

FIG. 4 is a perspective view showing a step following FIG. 3;

FIG. 5 is a perspective view showing a step that follows the step of FIG. 4;

FIG. 6 is a perspective view showing a step that follows the step of FIG. 5;

FIG. 7 is a perspective view showing a step following FIG. 6;

FIG. 8 is a sectional view of a main part of the assembled packaging box.

FIG. 9 is a development view of a cardboard according to another embodiment of the present invention.

FIG. 10 is a sectional view of a main part of a packaging box in another embodiment.

FIG. 11 is a development view of a cardboard of a conventional packaging box.

FIG. 12 is a cross-sectional view of a main part of a conventional packaging box, in which A shows a case where a normal holding function is performed, and B is a cross-sectional view showing a state in which an article to be package has entered under a flap piece. is there.

[Explanation of symbols]

9 ... flap part forming part, 9 '... flap part forming part,
9a to 9d: flap pieces, 9a 'to 9d': flap pieces, 20: partition wall forming portion, 21: frame body, 22: opening, 31: partition wall forming portion, 32a to 32d: slit shape Opening.

Claims (2)

[Claims] 1. A packaging box in which a plurality of flap pieces are provided above an inner partition wall so as to surround an object to be packaged, and the flap pieces buffer and hold the object to be packaged. A packaging box characterized by forming a frame body having the following, and providing the flap piece so as to be in contact with an edge of the opening. 2. A packaging box in which a plurality of flap pieces are provided above an inner partition wall so as to surround an object to be packaged, and the flap pieces buffer the object to be packaged. A frame body having an opening, the flap piece is provided so as to be in contact with an edge of the opening, and a small opening is formed in the partition so that a lower end of the flap piece is fitted. And packaging box.