JP2002053122A - Paper box for packaging - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a paper box for housing a heavy article, wherein a filling from the side can be easily performed, the automation of the filling work of an article is easy, and the strength in the vertical direction is excellent when the box is stacked or transported. SOLUTION: A left side surface plate, a bottom surface plate, a right side surface plate, a top surface plate and a gluing piece are connected in order with folding lines. Then, with both ends of the bottom surface plate, a lid plate and an insertion piece are connected. Also, with respective both ends of the right and left side surface plates and the lid plate, a flap is connected, and adjacent flaps from among the flaps are connected by a diagonal folding line, and an approximate L-shape flap is provided for a blank sheet. This paper box for packaging comprises such a blank sheet. Then, the left side surface plate and the gluing piece are bonded to form a cylindrical shape. The approximate L-shape flap connected with both ends of the side surface plate and the lid plate are folded into a ridge shape, and the diagonal folding line is folded into a valley-shape and superposed. Then, an insertion piece connected with the lid plate is inserted in a gap between the superposed flaps and the top surface plate, and thus, the lid plate is prevented from returning for the paper box for packaging.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper box having a structure for storing a heavy object such as a mirror cake and taking it in and out from a lateral direction.

[0002]

2. Description of the Related Art Conventionally, as a paper box for storing a heavy object such as a mirror cake, a cylindrical body is formed by connecting an upper surface plate, a lower surface plate and a pair of side plates as shown in FIG. Are provided with flaps extending from the both side plates on the opening wife surface and bent inward, and the opening wife surface is closed with a lid plate extending from the lower surface plate.

However, in the above-mentioned known paper box, since the tip of the flap projects from the side face opening from the side plate, the flap hinders the insertion of the contents into the packaging box, making insertion difficult. However, there is a problem that troubles are likely to occur during the filling operation by automation. Further, in order to withstand the load of stacking, the material of the paper box had to be thickened.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a paper box for storing heavy objects, which can be easily loaded from the side. It is an object of the present invention to provide a paper box which can be easily automated in the loading operation of articles and has excellent vertical strength when stacking or transporting the boxes.

[0005]

To achieve the above object, a solution of the present invention is to sequentially provide a left side plate through a fold,
A bottom plate, a right side plate, a top plate and a glue margin are continuously provided, and a lid plate and an insertion piece are continuously provided at both ends of the bottom plate,
A flap is provided at both ends of the left and right side plates and the lid plate, and a flap adjacent to the flaps is connected at an oblique fold, and a blank plate provided with a substantially L-shaped flap is provided. And glue margin pieces are glued to form a cylinder, the side plates and the substantially L-shaped flaps connected to both ends of the lid plate are mountain-folded, and the oblique folds are valley-folded and overlapped,
A wrapping paper box is characterized in that the insertion piece connected to the lid plate is inserted between the overlapped flap and the top plate to stop the lid plate from returning. By adopting this configuration, the flaps are continuously provided at both ends of the side plate and the lid plate, and the adjacent flaps are continuously provided with oblique folds. Since there is no overhang, the flap does not become an obstacle when inserting the contents into the packaging box, and the loading operation is easy. Further, since the flaps are continuously provided at the oblique folds and are formed by folding the oblique folds into valleys, the packaging box has a structure in which column-shaped pillars are provided at four corners, and the box body has excellent strength in the vertical direction, No damage when stacking or transporting boxes.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view showing a blank plate in an embodiment of a packaging paper box of the present invention, and FIGS.
FIG. 4 is a perspective view showing an assembling process in the embodiment of the packaging paper box of the present invention, FIG. 5 is a perspective view showing a completed assembly state in the embodiment of the packaging paper box of the present invention, and FIG. It is a perspective view which shows the assembly process of a packaging paper box, 1 is a left side plate, 2
Is the bottom plate, 3 is the right side plate, 4 is the top plate, 5 is the glue margin,
6, 7 is a cover plate, 8 is an insertion piece, 9, 10 is a flap, 10
0 is a blank plate, A is a wrapping paper box, al are folds, m
Represents an oblique fold.

The blank plate 100 in the embodiment of the packaging paper box A of the present invention is as shown in FIG.
And the bottom plate 2, the right side plate 3, the top plate 4, and the adhesive margin piece 5 are connected to each other via folds a, b, c, d, and the upper end of the bottom plate 2 is provided via folds e, f. Cover plate 6 and insert 8
The lid plate 7 and the insertion piece 8 are respectively connected to the lower end via folds g and h, and are further provided at both ends of the left side plate 1, the right side plate 3 and the lid plates 6 and 7, respectively. The flaps 9 and 10 are continuously provided via the folds i, j, k and l, and the adjacent flaps 9 and 10 are continuously provided at oblique folds m to form substantially L-shaped flaps. . The blank paperboard used in this embodiment has a basis weight of 35.
The fold line is provided by a usual punching machine using coated cardboard of 0 g / m ² , and characters and patterns are printed on the surface by offset printing.

Next, the order of assembling the packaging paper box A of the present invention will be described with reference to FIGS. First, as shown in FIG. 2, a left side plate 1, a bottom plate 2, a right side plate 3, a top plate 4,
The glue margin 5 is sequentially bent along the fold lines a, b, c, and d, and the glue margin 5 is adhered to the inside of the left side plate 1 to form a cylindrical body. Next, the folds i, j, k, and l are mountain-folded, the oblique fold m is valley-folded, and the flaps 9 and 10 are overlapped and folded.
It is inserted between 10 and the top panel 4 and assembled as shown in FIG. In this state, the contents are inserted and filled from the opened wife surface. At this time, the flap 9 extends from the ends of the left side plate 1 and the right side plate 3 via the folds i and j, and the flap 10 stands upright from both ends of the lid plate 7 via the folds k and l. Since the 10 is continuously provided at the oblique fold m, the open wife surface is not closed. Further, since the bottom plate 2, the cover plate 7 and the insertion piece 8 are kept horizontal, they can be inserted and filled while sliding from the side, so that the filling of heavy contents such as mirror cake can be smoothly performed.

Next, as shown in FIG. 4, folds i, j,
k and l are mountain-folded, the oblique fold m is valley-folded, the flaps 9 and 10 are overlapped and folded, and the insertion pieces 8 connected to the lid plate 7 via the folds h are folded and the flaps 9 and 10 are folded.
5 and the lid plate 7 is detented by being inserted between the
The packaging paper box A shown in FIG. At this time, wrapping paper box A
Flaps 9 and 10 are folded in the four corners in a superimposed state, and the structure has a role of a pillar in the vertical direction, so that the boxes are stacked, stacked, stored and transported, and have excellent strength. Further, the flaps 9 and 10 have folds i and j with the side plates 1 and 3 and the folds k and l with the lid plates 6 and 7.
Since the flaps 9 and 10 are continuously provided at the oblique fold m, the gap between the side plate and the cover plate is also closed, so that dust is prevented from being mixed.

Further, the length of the flaps 9 and 10 provided at both ends of the left and right side plates 1 and 3 and the lid plates 6 and 7 is set to be not more than １ ／ of the width of the opening face. Since the basis weight of the paperboard used can be reduced, the weight can be easily reduced in accordance with the recycling law.

Further, since the structure is extremely simple, the box main body can be manufactured at low cost without complicating the manufacturing process.

[0012]

According to the present invention having the above-described structure, the force pressed from above the paper box can be reduced by four times.
A paper box with excellent strength in the vertical direction is provided by supporting the folded and overlapped flaps formed at the corners. In addition, since both flaps are continuously provided with oblique folds, in the open state, one flap extends from the ends of the left side plate and the right side plate, and the other flap is in an upright state from both ends of the lid plate. Because the bottom surface and the lid plate are kept horizontal, it can be inserted and filled while sliding from the side, so that filling of heavy mirror cake etc. is smooth it can. Further, since the hole between the side plate and the cover plate is also closed, it is possible to prevent dust and dirt from entering.

[Brief description of the drawings]

FIG. 1 is a plan view showing a blank plate of an embodiment of a packaging paper box of the present invention.

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

FIG. 3 is a perspective view showing an assembling process in the embodiment of the packaging paper box of the present invention.

FIG. 4 is a perspective view showing an assembling process in the embodiment of the packaging paper box of the present invention.

FIG. 5 is a perspective view of an embodiment of the packaging paper box of the present invention.

FIG. 6 is a perspective view of a conventional packaging paper box.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Left side plate 2 Bottom plate 3 Right side plate 4 Top plate 5 Glue piece 6, 7 Cover plate 8 Insertion piece 9, 10 flaps a-l fold m Slant fold 100 Blank board A Packaging paper box

Claims (1)

[Claims] 1. A left side plate, a bottom plate, and
A right side plate, a top plate, and a glue margin piece are continuously provided, and a lid plate and an insertion piece are continuously provided at both ends of the bottom plate, and flaps are continuously provided at both ends of the left and right side plates and the lid plate. The flap adjacent to the flap is formed of a blank plate having a substantially L-shaped flap, which is continuously provided with oblique folds,
The left side plate and the glue margin are glued to form a cylinder, and the side plate and the substantially L-shaped flaps connected to both ends of the lid plate are mountain-folded, and the oblique folds are valley-folded and overlapped. A wrapping paper box, wherein an insertion piece connected to the lid plate is inserted between the overlapped flap and the top plate to stop the lid plate from returning.