JP2002284148A - Packaging box with cushioning material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To fit a cushioning material to a packaging box without displacement. SOLUTION: Wall plates 12 of the box are cut to form hooking pieces 16 and 16 which can be bended inside the box, recessed portions 32 are formed on side surfaces of a cushioning material 3, the cushioning material 3 is fitted to the box so that the hooking piece 16 of the box corresponds to the recessed portion 32 of the cushioning material 3, the hooking pieces 16 and 16 are bended into the recessed portions 32 to be butted on the wall surface of each recessed portion 32 for preventing the slipping and positioning of the cushioning material 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packing box for packing home electric appliances and the like.

[0002]

2. Description of the Related Art FIG. 11 shows a box bottom (1) of a box and a pair of cushioning materials (3) and (3) fitted into the box bottom.
The state where the cushioning materials (3) and (3) are fitted to both ends of (1) is shown. A projection (33) is provided at the upper end of both end surfaces of the cushioning material (3), and a notch (17) in which the projection (33) fits in the wall plates (12) and (12) of the box bottom (1).
(17) has been established. Box bottom fitted with cushioning material (3)
(1) is conveyed by a conveyor, and in the process of being conveyed, the home appliances to be packed are transferred by robots to the fitting recesses (31) (3) of the cushioning materials (3) and (3).
1), and then a cover (not shown) is put on.

[0003]

In the above packing box,
As for the cushioning material (3), (3) the notch (17) of the convex part (33) of the box bottom part (1)
Since it is fitted into (17) from above, the movement in the lateral direction is restricted, but it is free in the upward direction. The shock absorbing material (3) is lifted from the bottom (1) by the vibration or impact when the box bottom (1) is conveyed by the conveyor, and the protrusion (33) escapes from the notch (17) and the shock absorbing material (3). May be displaced sideways, causing trouble that home appliances cannot be fitted.

In particular, as shown in FIG. 3, when the wall plates (14) (14) along the longitudinal direction of the cushioning material (3) fall inward as shown by an arrow A, the wall plates (14) (14) ) Acts on the cushioning members (3) and (3) against the counterpart cushioning material, and thus the cushioning members (3) and (3) are easily displaced. When the wall plates (14) and (14) protrude higher than the cushioning material (3), the inward falling force of the wall plates (14) and (14) is larger, and the cushioning materials (3) and (3) It is even easier to displace. The present invention clarifies a packaging box in which the cushioning material does not shift.

[0005]

Means for Solving the Problems The packing box of the present invention is a box box (1
Cut 2) to form hooking pieces (16) and (16) that can be bent into the box, and form side recesses (32) of the cushioning material (3).
The cushioning material (3) is fitted into the box so that the recesses (32) of the cushioning material (3) correspond to the recesses (32), and the hanging piece (16) is bent into the recessed portion (32) to form the recessed portion (32). ) On the wall.

[0006]

[Function and effect] The hanging piece (16) is a concave portion (32) of the cushioning material (3).
, And has hit the wall surface of the concave portion (32), so that the movement of the cushioning material (3) is sealed, and the displacement of the cushioning material (3) does not occur. Therefore, when storing articles such as home electric appliances in the box, the articles are placed in the proper positions with respect to the cushioning material (3).

Since the hanging pieces (16) and (16) can be formed by cutting the wall plate (12) of the box, when the corrugated cardboard sheet is punched out in the expanded state of the housing to form a box blank, the hanging pieces (16) are simultaneously formed. Since it can be formed, the hanging piece (16) can be formed without increasing the number of steps. In the case of a cushioning material made of a foamed resin, the concave portion (32) of the cushioning material (3) is also formed with a convex portion corresponding to the concave portion (32) in the mold of the cushioning material (3), so that the process can be performed. It can be easily formed without increasing. Also, by providing the recessed portion (32) in the cushioning material (3), the amount of material used for the cushioning material (3) can be reduced.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a rectangular parallelepiped box having a box bottom (1) having an upper opening and a cover (2) having a lower opening, and cushioning materials (3) on both sides of the box bottom (1). Fit (3), cushioning material
(3) The state where the television (5) is accommodated over (3) is shown. The cushioning materials (4) and (4) are placed on the television (5), and the cover (2) is covered.

The cover (2) is formed at a deep bottom so as not to interfere with the television (5), and has a plurality of punched holes (21) for hand holding on a pair of opposed side surfaces.

The box bottom (1) is formed by punching a cardboard sheet into a box bottom blank shown in FIG. 2 and bending it along the ruled line (10). The box bottom blank has wall plates (12) (12) and (14) (14) extending on four sides of a rectangular bottom plate (11).

A set of wall plates (14) along the short direction of the bottom plate (11)
(14) has a larger protruding height than the other pair of wall plates (12) and (12), and reaches the vicinity of the ceiling wall of the cover portion (2) when it is started up.
The wall plates (12) and (12) along the longitudinal direction of the bottom plate (11) are provided with notches (13) and (13) that extend at both ends and can be fitted into each other at the ends of the extensions (12a) and (12a). ing. On the wall plates (14) (14) having a large protruding length, a holding hole (15) is formed at a position corresponding to the holding hole (21) of the cover part (2).

As shown in FIG. 3, the wall plates (12), (12), (14) and (14) are raised, and the extensions (12a) and (12a) of the low wall plates (12) and (12) are connected to the high wall plate (1).
4) Outside of (14), the cuts (13) and (13) are fitted to complete the box bottom (1). High wall board (14) (14) is low wall board (12) (12)
There is no fall to the outside, but it is selfish to the inside.

The cushioning material (3) is provided on the low wall plate (1) of the box bottom (1).
2) It has the shape of a bar with a rectangular cross section corresponding to the length between (12), and is in contact with the wall plates (14) (14) and the bottom plate (11).
It is inserted between. Above the opposing surfaces of the cushioning materials (3) and (3), fitting recesses (31) corresponding to both ends of the bottom of the television (5) are provided.
(31) is formed. The cushioning material (3) of the embodiment is formed of a foamed resin.

A feature of the present invention is that, as shown in FIG.
A concave portion (32) is formed on the end surface of (3), and the wall plates (12) (1) facing the end surface.
2) A cut-and-raised piece (16) that can enter the recess (32).

The hanging pieces (16) are formed by making U-shaped cuts in the wall plates (12) (12), and the free ends of the hanging pieces (16) (16) have a semicircular shape and face downward. I have.

The recessed part (32) of the cushioning material (3) is formed in the end face of the cushioning material (3) in the shape of a round bottom groove in the vertical direction, and is opened on the upper surface of the cushioning material (3). It corresponds to the free end height of the hanging pieces (16) (16). The width W1 of the concave portion (32) is the hanging piece (16) (16).
Is slightly smaller than the width W2. The lower end of the recess (32) is
6) A circular arc surface (32a) corresponding to the rotation locus of the free end of (16).

However, a cushioning material is provided at a predetermined position of the box bottom (1).
When (3) is fitted and the hanging piece (16) is bent inward, the hanging piece (16) is fitted into the concave portion (32) of the cushioning material (3). FIG.
As shown in FIG. 5, when the hook (16) is bent to about 45 °, the recess (32) is strongly caught by the arc surface (32a).
Any value up to ゜ is acceptable. The folding work of the hanging piece (16) can be performed by an automatic machine. However, when the worker manually fits the cushioning material (3) into the bottom portion (1), the worker is required to make the wall plate (1).
2) It is only necessary to push the hanging pieces (16) and (16) of (12).

The width W2 of the hanging piece (16) is slightly larger than the width W1 of the concave portion (32). The wall surfaces of the concave portion (32) of the member (3) are fitted together in a state where they are elastically deformed and stretched, and the engaging force of both is strong,
The hanging piece (16) does not naturally return to the original position and escape from the recess (32).

Wall plates (14) (14) along the longitudinal direction of the cushioning material (3)
Even if the protruding height is high and it is easy to fall inward, the hanging piece (16) fitted in the recess (32) can be recessed (32) from the direction opposite to the direction in which the cushioning material (3) comes out. ) Hits the circular arc surface (32a), so that the high wall plates (14) and (14) swing and push the cushioning material (3) while the box bottom (1) is being conveyed by the conveyor, but the cushioning material (3) is It does not jump up. In addition, hanging piece (1
6) also covers the lateral displacement of the cushioning material (3), so that the cushioning material (3) is held in place.

Therefore, when the robot mounts the television (5) on the bottom (1) while transporting the box bottom (1),
The bottom of (5) is fitted into the fitting concave portions (31) and (31) of both cushioning materials (3) without any positional displacement.

FIGS. 8 and 9 show the cushioning material (3) shown in FIG.
Recesses (32) and the hanging pieces (1) of the wall plates (12) and (12) of the box bottom (1)
6) In the configuration of (16), the protrusion (3) of the cushioning material (3) shown in FIG.
3 shows another embodiment in which a notch (17) of the wall plate (12) is added. In the case of FIG. 8, the lateral restraining force of the cushioning members (3) and (3) is further increased by fitting the projections (33) and the notches (17).

FIG. 10 shows that the hanging pieces (16) and (16) of the box bottom (1) are formed so that their free ends face the high wall plates (14) and (14), and the cushioning members (3) and (3) are formed. ) Are formed laterally and open to each other on the side of the cushioning material.

The hanging pieces (16) and (16) are bent inward to provide a cushioning material.
By fitting the concave portion (32) of (3), the same effect as the embodiment of FIGS. 4 and 5 can be obtained.

In the practice of the present invention, the type of the cushioning material (3) is not particularly limited, including a material in which a fibrous fluid is sealed in a mold and solidified, and a material in which a cushioning sheet such as a cardboard sheet is laminated. Also, the cut for forming the hanging piece (16) is not limited to the U-shape, but can be cut and raised such as a V-shape and a square shape, and can be fitted into the concave portion (32) of the cushioning material (3). Any shape is acceptable.

Further, in the embodiment, the width W2 of the hanging piece (16)
Is slightly larger than the width W1 of the recess (32),
(16) and the wall surface of the cushioning material (3) made of foamed resin were elastically deformed and engaged slightly, but the width (W2) of the hanging piece (16) and the recess (32)
Even if the width W1 of the hooking pieces (16) and (16) is the same, the hanging piece (16) and the concave portion (32) may be formed due to a processing error of the hooking pieces (16) and (16), an error of fitting the cushioning material (3) into the box bottom (1), and the like. ) May cause some misalignment within the allowable range.When the hanging piece (16) is pressed into the recess (32), resistance occurs due to the contact between the two and the hanging piece (16) is naturally (16) (16)
There is no danger of escape from the recess (32).

The present invention can be applied to the case where the cushioning members (4) and (4) mounted on the television (5) are mounted so as to be positioned in the cover (2).

The present invention is not limited to the configuration of the above embodiment, and various modifications are possible within the scope of the claims.

[Brief description of the drawings]

FIG. 1 is a perspective view of a state where a cover portion of a box is removed.

FIG. 2 is a front view of a blank at the bottom of the box.

FIG. 3 is a perspective view of the bottom of the box.

FIG. 4 is a perspective view showing a state where a cushioning material is removed from a bottom of the box.

FIG. 5 is a perspective view showing a state in which a cushioning material is fitted to the bottom of the box.

FIG. 6 is a cross-sectional view along the line AA in FIG. 5;

FIG. 7 is a plan view showing a state in which a hanging piece is fitted in a concave portion.

FIG. 8 is a perspective view of another embodiment in which a protrusion is added to the cushioning material and a cutout is added to the bottom of the box, with the cushioning material removed.

FIG. 9 is a perspective view of FIG. 8 in which a cushioning material is fitted.

FIG. 10 is a perspective view of another embodiment in which a concave portion of a cushioning material is formed in a lateral direction.

FIG. 11 is a perspective view of a conventional example with a cushioning material removed.

FIG. 12 is a perspective view of FIG. 11, in which a cushioning material is fitted.

[Explanation of symbols]

 (1) Box bottom (11) Bottom plate (12) Wall plate (14) Wall plate (16) Hanging piece (2) Cover part (3) Buffer material (32) Depression

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) B65D 81/113 B65D 5/46 321A 85/68 81/06 104A F-term (Reference) 3E037 AA20 BA03 BB05 BB08 3E060 AA03 AB19 AB32 BA24 BC02 BC04 CA01 CA12 CA23 CC12 CC19 CC62 EA07 EA17 3E066 AA05 BA01 CA01 DA01 DB01 FA04 HA01 JA05 KA02 NA08 3E067 AA24 AB61 AC01 BA05A BB02A BB14A BC06A BC07A EB27 EC04 EC07 FA01 FC01

Claims (5)

[Claims] 1. A wall plate (12) of a box is cut to form a hanging piece (16) (16) that can be bent into the box, and a recess (32) is formed on a side surface of the cushioning material (3). Hook of box (16) and recess of cushioning material (3)
Insert the cushioning material (3) into the box so that (32) corresponds, and
(16) A packaging box provided with a cushioning material which is bent into the recessed portion (32) and is brought into contact with the wall surface of the recessed portion (32) to prevent and position the cushioning material (3). 2. A wall surface of a concave portion (32) of a cushioning material corresponding to a rotation transition path of a free end of a hanging piece (16) is formed on an arc surface (32a) corresponding to a rotation locus of the free end. A packing box comprising the cushioning material according to claim 1. 3. A box bottom part (1) and a cover part (2) to cover the box bottom part. The box bottom part (1) is formed by punching one sheet and bending up four sides to stand up. (12) (12), (14) (14)
Of the two opposing wall plates, one set of wall plates (12) and (12) extends at both ends to the outside of the other set of wall plates (14) and (14). (12a) (12a)
(3) is fitted on both sides of the box bottom part (1) along the wall plates (14) and (14) which fall inside and is formed on the respective end faces of both cushioning materials (3) and (3). Hook pieces (16) (16)
A packing box provided with the cushioning material according to claim 1 or 2, wherein the packing box is caught. 4. A pair of wall plates (14) (14) which fall inward and are self-explanatory.
The packing box provided with the cushioning material according to claim 3, wherein the projecting portion projects higher than the other sets of wall plates (12). 5. The packing box provided with a cushioning material according to claim 1, wherein the hanging piece (16) is fitted tightly so as to protrude the wall surface of the recess (32).