JP2002284138A - Packaging box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packaging box, the bottom surface of which can be closed with staples 21 without damaging objects to be stored such as a long vegetable or flower. SOLUTION: This packaging box has side panels 1 and 1 composing a pair of opposing side surfaces of the box body and end panels 2 and 2 composing a pair of opposing end surfaces of the box body, end bottom flaps 7 and 7 extended from the end panels 2 and 2 and side bottom flaps 6 and 6 extended from the side panels l and 1 are successively bent to the bottom surface side of the box body, and the pair of the side bottom flaps 6 and 6 are connected with each other with staples 12 and 12 to close the bottom surface of the box body. Corresponding to the position into which the staples 12 and 12 of the side bottom flaps 6 and 6 are driven, protecting flaps 10 are provided which are formed by being folded back a part of the end bottom flaps 7 and 7 to the inside of the bottom surface of the box body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has a side panel forming a pair of opposing side surfaces of a box, and an end panel forming a pair of opposing end surfaces of the box. The bottom end flaps extended and the side bottom flaps extended from the side panels are sequentially bent toward the bottom side of the box, and the pair of side bottom flaps are connected to each other by staples, so that the bottom of the box is It relates to a packaging box to be closed.

[0002]

2. Description of the Related Art Conventionally, a blank of such a packaging box is formed by punching a corrugated cardboard plate and making a broken line. In this blank, a pair of side panels and end panels are alternately connected via broken lines. The upper and lower sides of the side panel and the end panel are broken lines, and upper and lower flaps for closing the top and bottom surfaces of the box extend from the broken lines.

[0003] In such a packaging box, the bottom surface side of the box body has an end bottom flap extending from a lower line on the lower side of the end panel and a side bottom flap extending from a lower line on the lower side of the side panel. Are sequentially bent to the upper surface side of the box body, and the end bottom flap and the side bottom flap are fixed by means such as engagement of the flaps, adhesion, or stapling. Also,
The same applies to the upper surface side of the box body, and the upper flap extending from the polygonal line on the upper side of the end panel and the upper flap extending from the polygonal line on the upper side of the side panel are sequentially bent toward the upper surface side of the box body. Then, the end upper flap and the side upper flap are fixed to each other and closed.

[0004] In such a packaging box, a box packing procedure is usually adopted in which stored items are stored from the top side of the box with the bottom of the box closed, and then closed with the top of the box. On the other hand, in the case of packaging boxes used for shipping long crops such as leek, butterbur, burdock, and agricultural crops of flowers such as carnations, first close the top side of the box, then ship from the bottom side. The boxing procedure of storing things and then closing the bottom is performed. In this case, the bottom side of the box is often fixed by driving staples into a pair of side bottom flaps.

[0005]

[0005] Fresh vegetables and flowers such as green onions are vulnerable to scratches, and if damaged at the time of shipment,
That part is damaged at an early stage, and the value of the product is reduced.
However, as described above, when leeks are stored in the packaging box and then staples are driven into the bottom flaps on the bottom surface thereof, the staples may damage fresh vegetables or flowers such as leeks. For this reason, when fresh vegetables and flowers are shipped from producers and lined up at retail stores via a wholesale market, the fresh vegetables at the bottom of the packaging box are often damaged by flowers.

The present invention has been made in view of the above-mentioned problems in a conventional packaging box for shipping long fresh vegetables and flowers, and without damaging stored items such as long fresh vegetables and flowers, the bottom surface is not damaged. It is an object to provide a packaging box that can be closed by staples.

[0007]

According to the present invention, in order to achieve the above-mentioned object, a pair of side bottom flaps 6, 6 are bent toward the bottom side of the box, and staples 12, 12 are driven into them to form the box. When closing the bottom surface, the flapper 1 of the end bottom flaps 7, 7 folded inside the side bottom flaps 6, 6
The protective flaps 10 and 10 that are turned inward are provided at the positions where 2 is driven. This protection flap 1
The staples 12 and 12 are driven into the pair of side flaps 6 and 6 from above, and the tips of the staples 12 are prevented from sticking into stored items such as fresh vegetables and flowers. .

That is, the packaging box according to the present invention has side panels 1 and 1 forming a pair of opposed side surfaces of a box, and end panels 2 and 2 forming a pair of opposed end surfaces of the box. The bottom flaps 7, 7 whose bottoms extend from the end panels 2, 2 and the side bottom flaps 6, 6 extending from the side panels 1, 1 are sequentially bent toward the bottom side of the box, The pair of side bottom flaps 6, 6 are connected to each other by staples 12, 12, so that the bottom surface of the box is closed. Here, the staples 12 of the side bottom flaps 6, 6,
12 corresponding to the position where the 12 is driven,
Protective flap 10 that folds part of 7 inside the bottom of the box
Is provided.

In such a packaging box, the protective flap 1
In a state where 0 and 10 are folded back to the inner surface sides of the end bottom flaps 7 and 7, the end bottom flaps 7 and 7 are folded toward the bottom side of the box body.
Bend the side bottom flaps 6, 6 on top of it,
A staple 12 is driven into a position where the protective flaps 10 and 10 of the side bottom flaps 6 and 6 are turned back to the inner side of the end bottom flaps 7 and 7. Thereby, the tip of the staple 12 is stopped by the protection flaps 10 and 10, and it is prevented that the staples 12 are stabbed in stored items such as fresh vegetables and flowers.

The protective flaps 10, 10 are separated from the bottom flaps 7, 7 by cutting lines 11, 11 cut from ends parallel to the fold lines of the bottom flaps 7, 7 with the end panels 2, 2. The box is partly cut off and folded back inside the bottom surface of the box by folding lines 12 and 12 provided diagonally to the end sides. Such a protective flap 10,
The ten cutting lines 11, 11 and the folding lines 12, 12 are preferably provided symmetrically to each other at a pair of opposed end bottom flaps 12, 12.

By providing the protection flaps 10 and 10 in this manner, both sides of the protection flaps 10 and 10 can be simultaneously held with both hands.
While folding 10 from the cutting lines 11 and 11 to the inner side of the end bottom flaps 7, the end bottom flaps 7 can be bent toward the bottom side of the box. This facilitates the operation of closing the bottom surface of the box.

[0012]

Embodiments of the present invention will now be described specifically and in detail with reference to the drawings.
FIG. 1 is an exploded view of a packaging box blank according to an embodiment of the present invention. As the blank of the packaging box, a corrugated board in which a core made of a corrugated sheet made of paper is laminated with a liner is used. A blank before assembly is completed by punching out a corrugated board as shown by a solid line in FIG. 1 and making a broken line as shown by a broken line. All broken lines shown by broken lines are bent in the same direction with respect to the paper surface of FIG.

In the packaging box blank shown in FIG. 1, rectangular side panels 1, 1 and end panels 2, 2 are alternately connected to each other through broken lines. The heights of the side panels 1 and 1 and the end panels 2 and 2, that is, the left and right dimensions in FIG. 1 are the same, and the two are the side panels 1 and 1 and the end panel 2.
1, that is, the upper and lower dimensions in FIG. 1 are equal, and the width of the side panels 1 and 1 is larger than the width of the end panels 2 and 2. The height and width of the side panels 1 and 1 and the end panels 2 and 2
It goes without saying that it differs depending on the storage items. For example, if the storage is leek, only the length of the leek.
The inner width of the side panels 1, 1 is required.

A joining flap 3 extends from the side of the side panel 1 at the end via a broken line, and such a joining flap does not extend to the end panel 2 at the end. Side upper flaps 4, 4 extend from fold lines on the upper sides of the side panels 1, 1. The length of the side upper flaps 4, 4, that is, the vertical dimension in FIG. 1, is slightly smaller than the width of the side panels 1, 1, and the height thereof, that is, FIG.
Are smaller than about の of the width of the end panel 2.

On both side portions of the upper flaps 4, 4,
Slits 8, 8 are punched symmetrically with respect to the center of the upper flaps 4, 4 at the same side and at an angle of 45 degrees with respect to a fold line with the side panels 1, 1. One end of each of the slits 8, 8 reaches the side panel 1, 1 slightly beyond a fold line with the side panel 1, 1, so that the portion of the slit 8, 8 is easily raised from the upper flap 4, 4. . The other ends of the slits 8, 8 are cut so as to wrap around at an angle of 45 °, and a fold line is provided from an end of the cut line in a direction orthogonal to the fold line with the side panels 1, 1. Have been. This folding line is cut at an intermediate portion so as to be easily bent.

The cut and raised portions of the slits 8 and 8
In the area inside the slits 8 and 8 indicated by the two-dot chain line in FIG. 1, that is, the hatched portion in FIG. 1, the core of the corrugated sheet is crushed and the part is thin.

End flaps 5, 5 extend from the broken lines on the upper sides of the end panels 2, 2. The length of the end upper flaps 5, 5, ie, the vertical dimension in FIG. 1, is slightly smaller than the width of the end panels 2, 2, and its height, ie, the left and right dimension in FIG. , 4
Is the same as FIG. 1 of both corners of the end upper flaps 5, 5
In the hatched portion, the core of the corrugated sheet is crushed, and the portion is thin.

From the fold lines on the lower sides of the side panels 1, 1, side bottom flaps 6, 6 extend. The length of the side bottom flaps 6, that is, the vertical dimension in FIG. 1 is slightly smaller than the width of the side panels 1. Further, the height of the side upper bottom flaps 6, 6, that is, the left and right dimensions in FIG.
It is about の of the width of the end flap 2.

End flaps 7, 7 extend from the lower fold lines of the end panels 2, 2. The length of the end bottom flaps 7, that is, the upper and lower dimensions in FIG. 1 is slightly smaller than the width of the end panels 2 and 2, and the height thereof, that is, the left and right dimensions in FIG. , 6
Is the same as

Protective flaps 10 and 10 are provided on the end bottom flaps 7 and 7, respectively. Is symmetric with respect to The protective flaps 10, 10 are partially separated from the end bottom flaps 7, 7 by cutting lines 11, 11. This cutting line 1
Reference numerals 1 and 11 denote a straight line portion cut from the edge of the end bottom flaps 7 and 7 in a direction perpendicular thereto, an arc line portion having an opening angle of 90 ° connected to the straight line portion, and an end bottom flap connected to the arc line. It is composed of a short straight portion parallel to the edge of 7,7. Further, a straight fold line 12 formed at an angle of 45 ° with respect to the edge extends from the front end of the short straight portion to the edge of the end bottom flaps 7, 7. The intermediate portion of the fold line 12 is connected to the protection flaps 10, 1 by the fold line 12.
0 is partially cut to facilitate folding.

A packaging box is assembled from such blanks as follows, and stored items are stored therein.
First, as shown in FIG. 2, 90 fold lines between the side panels 1 and 1, the end panels 2 and 2 and the joining flap 3
Fold it at an angle of ゜. Further, glue is applied to the outer surface of the joining flap 3, and the outer surface of the joining flap 3 is attached to the inner surface of the edge of the end panel 2. As a result, a square tubular body in which the side panels 1, 1 and the end panels 2, 2 are alternately connected as shown in FIG. 3 is formed.

Next, as shown in FIG. 3 from the state of FIG.
First, the upper flaps 4, 4 are bent inward at an angle of about 90 ° with the upper surface of the box facing upward. Furthermore, while bending the end upper flaps 5 and 5 at an angle of about 90 °, both corners are inserted into the inside of the side upper flaps 4 and 4 from the slits 8 and 8 of the side upper flaps 4 and 4. As a result, FIG.
The upper flaps 4, 4 and the upper flaps 5, 5 are connected as shown in FIG.
Fixed. In addition, since the height of the side upper flaps 4 and 4 is smaller than half the width of the end panels 2 and 2, a window-shaped inside is surrounded by the side upper flaps 4 and 4 and the end upper flaps 5 and 5. Opening 9 is formed.

In this state, the periphery of the slits 8 serving as insertion holes for inserting both corners of the end upper flaps 5 and 5 into the upper flaps 4 and the upper end flaps inserted through the slits 8 and 8 are provided. Both corners of the flaps 5, 5 are crushed and thinner than other portions of the corrugated board, so that they can be easily inserted. After the upper surface of the box is closed, the box is turned over and the bottom side is turned up as shown in FIG. In this state, as shown in FIG. 5, a storage item a such as green onion is stored in the box.

After storing the storage items a, the end bottom flaps 7,
7 is bent inward at an angle of about 90 °, and a part of the upper surface of the box is closed. At this time, the protection flaps 10, 10 of the end bottom flaps 7, 7 on both sides are raised from the end bottom flaps 7, 7 at the cutting line 11, and the protection flaps 10, 10 are moved along the fold line 12. 7 and wrap the protective flaps 10, 10 at the bottom flaps 7,
7 and the stored item a. In the illustrated example, the protective flaps 10, 10 are provided at the end bottom flaps 7, 7 on both sides.
Since the cutting lines 11 and 11 and the fold lines 12 and 12 are provided symmetrically to each other, as shown in FIG. 5, while folding the protection flaps 10 and 10 with both hands, the end bottom flaps 7 and
7 can be bent toward the bottom side of the box.

Further, the side bottom flaps 6, 6
It is bent at an angle of 0 ° and the side bottom flaps 6, 6 are placed on the end bottom flaps 7, 7, as shown in FIG. In this state, staples 12 are driven into both sides of the pair of side bottom flaps 6 and 6 so that the side bottom flaps 6 and 6 are engaged with each other to close the upper surface of the box. In this state, the box is turned upside down and
Ship out.

Here, the position where the staples 12, 12 are driven into the side bottom flaps 6, 6 is, as shown in FIG. 7, the position where the protective flaps 10, 10 are folded inside the end bottom flaps 7, 7. It is. By doing so, as shown in FIG. 7, the staples 12 penetrate the side bottom flaps 6, 6 and the end bottom flap 7, and connect the pair of side bottom flaps 6, 6 and the end bottom flap 7 to each other. Although it is fixed, the tip of the staple 12 is prevented from entering the stored item a by the protective flap 10, and the stored item a is not damaged by the tip of the staple 12.

[0027]

As described above, in the packaging box according to the present invention, even when the staple 12 is driven in and the bottom surface is closed, the stored article a stored in the packaging box is not damaged by the tip of the staple 12. Therefore, fresh vegetables such as green onions that are vulnerable to scratches by the staples 12 can be shipped without reducing the commercial value.

[Brief description of the drawings]

FIG. 1 is a development view of black before assembling a packaging box according to an embodiment of the present invention.

FIG. 2 is a perspective view of the box showing an assembling process of the packaging box according to the embodiment of the present invention.

FIG. 3 is a perspective view of the box showing a next assembling step of the packaging box according to the embodiment of the present invention.

FIG. 4 is a perspective view of an inverted box showing a next assembling step of the packaging box according to the embodiment of the present invention.

FIG. 5 is a plan view of an inverted box body in a state where assembly of the packaging box according to the embodiment of the present invention is completed.

FIG. 6 is a perspective view in which the assembled packaging box according to the embodiment of the present invention is turned upside down.

7 is a vertical sectional front view of a main part of a portion where staples are driven into the side bottom panel in FIG. 6;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Side panel 2 End panel 6 Side bottom flap 7 End bottom flap 10 Protective flap 12 Staple

Claims (3)

[Claims] An end panel (1), (1) constituting a pair of opposed side surfaces of a box, and end panels (2), (2) constituting a pair of opposed end surfaces of the box. The bottom flaps (7), (7) whose bottoms extend from the end panels (2), (2) and the side bottom flaps (6) extending from the side panels (1), (1). ) And (6) are sequentially bent toward the bottom side of the box, and the pair of side bottom flaps (6) and (6) are connected to each other by staples (12) and (12), whereby the bottom of the box is formed. In the packaging box to be closed, the staples (12), (1) of the side bottom flaps (6), (6)
A packaging characterized in that protective flaps (10), (10) are provided so that a part of the end bottom flaps (7), (7) is folded back inside the bottom surface of the box body in accordance with the position where 2) is driven. Box. 2. The protection flaps (10), (10) are cut from the edge parallel to the fold line with the end panels (2), (2) of the bottom flaps (7), (7). Line (11),
(11) is partially cut off from the end bottom flaps (7) and (7), and is folded inside the bottom of the box by folding lines (12) and (12) provided obliquely to the end sides. The packaging box according to claim 1, characterized in that: 3. The cutting lines (11) and (11) of the protective flaps (10) and (10) and the folding lines (12) and (12) are:
3. The flaps (12) on both sides of the box body are provided symmetrically to each other.
A packaging box as described in.