JPH11292060A - Packing box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily position and fix a buffer material, and to easily separate the buffer material from a packing material in disposal by providing a notched part to engage the buffer material on both side parts of an inner bottom plate. SOLUTION: Inner bottom plates 4a and 4b are connected to lower ends of a pair of side walls 2a to form a rectangular prismatic body 3 of a packing box 1, and outer bottom plates 5a and 5b are connected to lower ends of a pair of side walls 2c. A notched part 9 is respectively provided from a part to be connected to the side walls 2a, 2c of the side surfaces 8a, 8b of the inner bottom plates 4a, 4b. The notched part 9 is notched so that a bottom surface part 11 of a buffer material 10 is engaged with a corner part of the bottom surface 6, and the buffer material 10 can be fixed to the specified positions at four corners of the bottom surface 6 of the packing box 1. The buffer material 10 integratedly formed of a material large in impact absorption such as styrene foam are of L-shape in section, and formed so as to be engaged with the corner parts of an article to be stored and packed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packing box capable of easily positioning and fixing a cushioning material and easily separating and discarding each material when discarding.

[0002]

2. Description of the Related Art Conventionally, for example, a packaged object such as an audio device is provided with a cushioning material such as styrene foam having an appropriate elasticity in order to protect the packaged product from impacts caused by dropping or vibration. And housed in a packing box.

[0003] In order to facilitate the packing operation of inserting the cushioning material into the packing object and storing the cushioning material in the packing box, the left and right or front and rear sides of the packing object are sandwiched between a pair of cushioning materials and stored in the packing box. The packing method is often used. The advantage of the side pack method is that the packaged material is sandwiched between a pair of cushioning materials,
Workability is improved because the cushioning material can be stored in the packing box with both hands.

[0004] However, the necessary portions of the cushioning material for protecting the packaged object from dropping or shock due to vibration are the corners of the packaged object.
The connection portion connecting the two corner portions does not require the cushioning material, and there is a problem that the volume of the cushioning material increases.

[0005] In recent years, there has been a problem in dealing with dust from a cushioning material such as polystyrene foam, and it is necessary to minimize the use of a cushioning material such as polystyrene foam as much as possible in order to improve environmental problems.

For this purpose, a corner pad system in which a cushioning material is used only at each corner of the article to be packed is effective. However, in the corner pad system, since the cushioning material is divided into each corner,
The cushioning material of each divided corner is fixed on the mount,
It is necessary to fix each corner of the packing box with double-sided tape or adhesive, etc., so that the time required for positioning and fixing these cushioning materials increases the man-hour for packing work. there were. Further, since the cushioning material at each corner is fixed to another material such as a cardboard with an adhesive or the like, there is a problem that it takes time to separate each material when discarding.

[0007]

According to the present invention, the amount of the cushioning material such as styrene foam is reduced as much as possible, and the cushioning material is positioned and fixed without increasing the number of working steps. An object of the present invention is to provide a packaging box that can be easily separated.

[0008]

According to a first aspect of the present invention, there is provided a packing box comprising: a rectangular cylinder; an inner bottom plate connected to a lower end of a side wall facing the rectangular cylinder; A package provided with a bottom surface formed by bending an outer bottom plate connected to the lower end of the other opposing side wall of the body, and a cushioning material for holding a corner of a packaged object placed on each corner of the bottom surface In the box, notches are provided on both side portions of the inner bottom plate where the side wall and the inner bottom plate are connected, and a cushioning material is engaged with the notch portion and fixed to each corner of the bottom surface. It is characterized by:

Further, according to the packing box of the present invention, the rectangular cylinder, the inner bottom plate connected to the lower end of the side wall opposed to the rectangular cylinder, and the other opposed side of the rectangular cylinder. A bottom surface formed by bending an outer bottom plate connected to a lower end of a side wall to be formed, and a cushioning material for holding a corner of an object to be packed placed on each corner of the bottom surface, wherein the inner bottom plate When the bottom surface is formed by bending the outer bottom plate and the outer bottom plate, a through hole that penetrates the inner bottom plate and the outer bottom plate is provided near a corner of the bottom surface, and a protrusion that fits into the through hole is provided. It is characterized by having a cushioning material fixed to the corner of the bottom surface.

According to a third aspect of the present invention, in the second aspect of the present invention, the length of the protrusion provided on the cushioning material is substantially the same as the outer bottom surface of the packing box. It has a length forming a surface or a length protruding from the outer bottom surface of the packing box.

According to the packing box of the fourth aspect of the present invention, the rectangular cylinder, the inner bottom plate connected to the lower end of the opposed side wall of the rectangular cylinder, and the other opposing side of the rectangular cylinder are provided. A bottom surface formed by bending an outer bottom plate connected to a lower end of a side wall to be formed, and a cushioning material for holding a corner of an object to be packed placed on each corner of the bottom surface, wherein the inner bottom plate A buffer having a through hole passing through the inner bottom plate and the outer bottom plate near a corner of the bottom surface when the bottom surface is formed by bending the bottom plate and the outer bottom plate, and a hole communicating with the through hole is provided. A material is provided, and the cushioning material is fixed to a corner of the bottom surface when a projecting member communicating the through hole and the hole of the cushioning material is inserted from the outer bottom surface of the packing box.

Therefore, the cushioning material can be fitted into the notch or the through hole provided in the packing box and the cushioning material can be fixed to each corner of the bottom surface of the packing box, so that the man-hour for positioning and fixing the cushioning material is reduced. Can be reduced.

Further, since the amount of the buffer material can be reduced to a necessary minimum, the amount of waste can be reduced, which can lead to improvement of environmental problems. Also, since the cushioning material is not fixed with an adhesive or the like, it can be easily separated for each material,
It can be separated and disposed of without any hassle.

Further, since the cushioning material is used only at each corner of the object to be packed, the cushioning material can be used regardless of the size of the object to be packed. There is no need to make a cushioning material according to the shape of the object, and the cost can be reduced.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a packaging box according to the present invention will be described with reference to a sectional perspective view of FIG. In FIG. 1, a packing box 1 stores, for example, an article to be packed such as an audio amplifier, and is made of cardboard having a high shock absorbing power. However, other hard paper may be used.

The packing box 1 is formed in a rectangular parallelepiped shape, and a pair of a side wall 2a and a side wall 2 (not shown) are formed.
b, another pair of side walls 2c and a side wall 2d (not shown) form a square cylindrical body 3.

An inner bottom plate 4a and an inner bottom plate 4b are connected to the lower ends of the side walls 2a and 2b, respectively. An outer bottom plate 5a and an outer bottom plate 5b are respectively connected to the lower ends of the side walls 2c and 2d. These inner bottom plates 4
a and the inner bottom plate 4b and the outer bottom plate 5a and the outer bottom plate 5b are bent inward to form the bottom surface 6.

The top flaps 7a and 7d are provided at the upper ends of the side walls 2a and 2c and the side walls 2b and 2d (not shown), respectively.
c and top plate flaps 7b and 7d (not shown) are provided continuously. On the other hand, the inner bottom plate 4a and the inner bottom plate 4b described above include:
Both side surfaces 8 of inner bottom plates 4a and 4b forming corners of bottom surface 6
A notch portion 9 is provided, which is provided with a notch from a portion connected to the side walls 2a, 2c of a, 8b.

The notch 9 is formed at the corner of the bottom surface 6 by the cushioning material 1.
The bottom surface 11 of the packing box 1 is cut out so as to be engaged, and can be fixed at a predetermined position at the four corners of the bottom surface 6 of the packaging box 1.

The cushioning material 10 is integrally formed of a material having a large shock absorbing power such as styrene foam, and has a sectional shape of L.
It is formed in a letter shape and is formed so as to engage with a corner of the article to be stored.

The notch 9 is formed by the inner bottom plate 4a or the inner bottom plate 4b.
The outer bottom plate 5a and the outer bottom plate 5
b with an adhesive tape or the like, the inner bottom plate 4a or the inner bottom plate 4
Since b is not fixed, it is bent inward at an acute angle and rises, the apparent area of the notch 9 becomes smaller and the depth becomes deeper, and the inner bottom plate 4a and the inner bottom plate 4b more securely hold the cushioning material 10. I can hold it,
It can be fixed at predetermined positions at the four corners of the bottom surface 6 of the packing box 1.

As described above, the packing box 1 according to the present embodiment has the cushioning material 1 in the notch 9 provided in the inner bottom plate 4a or the inner bottom plate 4b.
Since the cushioning material 10 can be fixed at a predetermined position only by placing 0, the article to be packed can be easily placed at a predetermined storage position of the cushioning material 10.

Next, a second embodiment of the packing box according to the present invention will be described with reference to a sectional perspective view of FIG. 2A and a sectional view of a main part of FIG. 2B. The components having the same configuration and operation as those of the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

As shown in FIG. 2, an inner bottom plate 4a and an inner bottom plate 4b are respectively connected to the lower ends of the side walls 2a and 2b. An outer bottom plate 5a is provided at the lower end of the side wall 2c and the side wall 2d.
And an outer bottom plate 5b are connected to each other. Further, top plate flaps 7a, 7c and top plate flaps 7b, 7d (not shown) are connected to upper ends of the side walls 2a, 2c and the not-shown side walls 2c, 2d, respectively.

On the other hand, when the inner bottom plate 4a, the inner bottom plate 4b, the outer bottom plate 4a, the outer bottom plate 5a, and the outer bottom plate 5b are bent to form the bottom surface 6, And an inner bottom plate 4a and an outer bottom plate 5a near the corners of the bottom surface 6.
And a through hole 12 penetrating the outer bottom plate 5b, and a through hole 12 penetrating the inner bottom plate 4b, the outer bottom plate 5a and the outer bottom plate 5b are provided in the respective inner bottom plate and the outer bottom plate.

As shown in FIG. 2 (b), a main portion of the cushioning member 13 has a projecting portion 15 which is inserted into the through hole 12 on the bottom portion 14 of the cushioning material 13. Through hole 1
2, the cushioning material 13 can be fixed at predetermined positions at the four corners of the bottom surface 6 of the packing box 1.

When the protrusion 15 is inserted into the through hole 12,
It has a length substantially the same as the outer bottom surface of the packing box 1, and prevents the packing box 1 from being damaged due to any protruding portion being caught on the outer bottom plate at the end of the through hole 12.

Further, the length of the protruding portion 15 may protrude from the outer bottom surface of the packing box 1. In this case, when the object to be packed is packed, a portion protruding from the outer bottom surface of the cushioning material 13 is crushed by the weight of the object to be packed, and forms substantially the same surface as the outer bottom surface of the packing box 1 as described above. It is possible to prevent the packing box 1 from being damaged due to any protruding portion catching on the outer bottom plate at the end of the hole 12.

When the cushioning material 13 is made of a plastic material such as styrene foam, a cushioning material 13 projecting from the outer bottom surface on the heating plate is used by using a heating plate having a temperature capable of softening the cushioning material 13. Softened packing box 1
May be deformed until it becomes substantially the same as the outer bottom surface.

Next, a third embodiment of the packing box according to the present invention will be described with reference to a sectional perspective view of FIG. 3 and a sectional view of a main part of FIG. 3B. The components having the same configuration and operation as those of the first and second embodiments are denoted by the same reference numerals, and description thereof is omitted.

As shown in FIG. 3, an inner bottom plate 4a and an inner bottom plate 4b are connected to the lower ends of the side walls 2a and 2b, respectively. An outer bottom plate 5a is provided at the lower end of the side wall 2c and the side wall 2d.
And an outer bottom plate 5b are connected to each other. Further, top plate flaps 7a, 7c and top plate flaps 7b, 7d (not shown) are connected to upper ends of the side walls 2a, 2c and the not-shown side walls 2c, 2d, respectively.

On the other hand, when the bottom surface 6 is formed by bending the inner bottom plate 4a, the inner bottom plate 4b, the outer bottom plate 5a, and the outer bottom plate 5b, the inner bottom plate 4a, the inner bottom plate 4b, the outer bottom plate 5a, and the outer bottom plate 5b are formed. And an inner bottom plate 4a and an outer bottom plate 5a near the corners of the bottom surface 6.
And a through hole 12 penetrating the outer bottom plate 5b, and a through hole 12 penetrating the inner bottom plate 4b, the outer bottom plate 5a and the outer bottom plate 5b are provided in the respective inner bottom plate and the outer bottom plate.

As shown in the cross-sectional view of the main part of FIG. 3 (b), the cushioning member 16 has a hole portion 18 having a size substantially the same as the through hole 12 from the bottom portion 17 of the cushioning member 16; Cushioning material 16
Are placed at predetermined positions at the four corners of the bottom surface 6 of the packing box 1,
The hole 18 is provided so that the through hole 12 and the hole 18 are continuous.

The projecting portion 19 penetrating through the through hole 12
The packaging box 1 is placed on a jig 20 provided with
By inserting the holes 18 of the cushioning material 16 into the protrusions 19 penetrating the cushioning material 2, the cushioning material 16 can be fixed at predetermined positions at the four corners of the bottom surface 6 of the packing box 1. I have. By using such a jig 20, the cushioning material 16 can be fixed at a predetermined position with high accuracy.
6 can be placed at an appropriate position on the article to be packed.

[0035]

According to the present invention, the cushioning material can be fitted into the notch provided in the inner bottom plate of the packing box and the cushioning material can be fixed to the corner of the bottom surface of the packing box. The number of man-hours to perform can be reduced.

Further, since the protrusion of the cushioning material is fitted into the through hole passing through the inner bottom plate and the outer bottom plate of the packing box, the cushioning material can be fixed to the corner of the bottom surface of the packing box. The number of man-hours to perform can be reduced.

Further, a packing box is placed on a jig provided with a protrusion penetrating the through hole, and the buffer material is inserted into the protrusion penetrating the through hole to remove the buffer material. Since it can be accurately fixed at a predetermined position at the four corners of the bottom surface of the packing box, the cushioning material can be placed at an appropriate position on the article to be packed.

Further, since the necessary amount of the buffer material can be reduced to a necessary minimum, the amount of waste can be reduced, which can lead to improvement of environmental problems. Also, since the cushioning material is not fixed with an adhesive or the like, it can be easily separated for each material,
When discarded, it can be easily separated.

Further, since the cushioning material is used only at each corner of the object to be packed, the cushioning material can be used regardless of the size of the object to be packed. There is no need to make a cushioning material according to the shape of the object, and the cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a sectional perspective view of a packing box showing a first embodiment of the present invention.

FIG. 2A is a sectional perspective view of a packing box showing a second embodiment of the present invention, and FIG. 2B is a sectional view of a main part.

FIG. 3A is a perspective view of a cross section of a packing box showing a third embodiment of the present invention, and FIG. 3B is a cross sectional view of a main part.

[Explanation of symbols]

1 Packing box 2a, 2c
Side wall 3 Square cylinder 4a, 4b
Inner bottom plate 5a, 5b Outer bottom plate 6
Bottom 7a, 7c Top plate flap 8a, 8b
Side 9 Notch 10
Cushioning material 11 bottom part 12
Through hole 13 Buffer material 14
Bottom part 15 Projection part 16
Cushioning material 17 bottom 18
Hole 19 Projection 20
jig

Claims (4)

[Claims] 1. A quadrangular cylinder, an inner bottom plate connected to a lower end of an opposing side wall of the quadrilateral cylinder, and an outer bottom plate connected to a lower end of another opposing side wall of the quadrilateral cylinder are bent. In a packing box provided with a bottom surface to be formed and a cushioning material for holding a corner portion of an article to be packed placed on each corner portion of the bottom surface, the side wall and the inner bottom plate are connected to both sides of the inner bottom plate. A packaging box, comprising: a notch; and a cushioning material that is engaged with the notch and fixed to each corner of the bottom surface. 2. A quadrangular cylinder, an inner bottom plate connected to a lower end of an opposing side wall of the quadrilateral cylinder, and an outer bottom plate connected to a lower end of another opposing side wall of the quadrilateral cylinder are bent. When the bottom surface is formed by bending the inner bottom plate and the outer bottom plate in a packing box provided with a bottom surface to be formed and a cushioning material for holding a corner portion of an article to be packed placed on each corner of the bottom surface. A through hole passing through the inner bottom plate and the outer bottom plate in the vicinity of a corner of the bottom surface, a protrusion fitted into the through hole, and a cushioning material fixed to the corner of the bottom surface. Characterized by a packing box. 3. The packing box according to claim 2, wherein the length of the protrusion provided on the cushioning material is substantially the same as the outer bottom surface of the packing box, or from the outer bottom surface of the packing box. A packing box having a protruding length. 4. A quadrangular cylinder, an inner bottom plate connected to a lower end of an opposing side wall of the quadrilateral cylinder, and an outer bottom plate connected to a lower end of another opposing side wall of the quadrilateral cylinder are bent. When the bottom surface is formed by bending the inner bottom plate and the outer bottom plate in a packing box provided with a bottom surface to be formed and a cushioning material for holding a corner portion of an article to be packed placed on each corner of the bottom surface. A through hole passing through the inner bottom plate and the outer bottom plate in the vicinity of a corner of the bottom surface; and a cushioning material provided with a hole communicating with the through hole. A packing box, wherein the cushioning material is fixed to a corner of the bottom surface when a projecting member communicating the hole with the hole of the cushioning material is inserted.