JPH09286463A - Shock-absorbing material for packing - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shock-absorbing material for packing which can be disposed together with the case. SOLUTION: The space between the upper end edges of an external face board 2 and an internal face board 3 oppositely erected is covered with receive frame plates 1 continuously connected from both upper end edges and projections 7, 7 protruded to the internal face board 3 side are attached to both ends of the receive frame plates 1. And outside boards 4 are continuously connected to extend from the both side edges of the external face board 2 to the protruding direction of the projections 7 and a superposed board 5 continuously connected from the upper end of respective outside boards 4 to the inside is held by the projections 7 and a retaining frame 8 connecting both projections. Both side edges of the internal face board 3 are arranged to contact the inside panel 6 extended downward from the inside end edges of respective superposed boards 5. The movement of the outside board 4 and the inside panel 6 is restricted by holding the superposed board 5 with the projection 7 and the retaining frame 8 and the contact of the side edge of the internal face board 3 with the inside panel 6. And hence, the shape of the cardboard or the like can be securely retained even if the case is formed by cardboard or the like.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cardboard cushioning material used mainly for packaging ventilation fans.

[0002]

2. Description of the Related Art Generally, a ventilating fan has a structure in which a protruding portion for accommodating a motor for rotating the blade is provided on the back surface of a frame surrounding the blade.

When packaging such a ventilation fan, a pair of expanded polystyrene cushioning material having a U-shaped cross section is installed in a box made of cardboard or other cardboard, and the protruding portion is dropped between both cushioning materials to cushion the frame. Place on top of material.

When the packing is performed as described above, the cushioning material suppresses the movement of the ventilation fan in the box, and also reduces the impact transmitted from the outside of the box to the ventilation fan.

[0005]

However, since the cushioning material made of styrofoam generates high heat as it burns, it may not be possible to discard it together with the cardboard box.

Therefore, an object of the present invention is to provide a cushioning material for packing which can be discarded together with a box.

[0007]

In order to solve the above-mentioned problems, the packing cushioning material according to the present invention has a space between the upper edges of the outer plate 2 and the inner plate 3 which are upright and face each other. Covering with a continuous receiving plate 1 is provided, and projecting pieces 7, 7 projecting toward the inner surface plate 3 are provided at both ends of the receiving plate 1, and extend from both side edges of the outer surface plate 2 in the projecting direction of the projecting piece 7. The outer plates 4 are continuously provided, and the overlapping plates 5 continuously provided from the upper edge of each outer plate 4 toward the inner side are sandwiched by the projecting piece 7 and the holding frame 8 connecting both projecting pieces 7, 7. It is made of a cardboard in which both side edges of the inner surface plate 3 are brought into contact with an inner plate 6 that is continuously provided downward from the inner edge of each overlapping plate 5.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of a cushioning material for packing according to the present invention will be described with reference to FIGS. The expansion board of this cushioning material is made of corrugated cardboard and has a structure as shown in FIG. As shown in the drawing, the outer surface plate 2 and the inner surface plate 3 are connected from both end edges of the receiving plate 1, the outer plates 4 and 4 are connected from both side edges of the outer surface plate 2, respectively, and the overlapping plate 5 from the upper end edge of the outer plate 4. And the inner plate 6 are successively arranged. Receiver board 1
Projecting pieces 7, 7 projecting toward the inner surface plate 3 side are provided at both ends of the projecting piece 7, and tip edges of the projecting pieces 7 are connected by a holding frame 8. Insertion pieces 9 are formed at three positions on the front edge of the holding frame 8.

Further, the receiving plate 1 is provided with three tongue pieces 10 at positions corresponding to the insertion pieces 9 toward the outer surface plate 2, and the outer surface plate 2 is projected toward the respective tongue pieces 10. 11 is formed. The tongue 12 is provided on the overlapping plate 5 toward the outer plate 4, and the tongue 13 is provided on the outer plate 4 toward the outer plate 2. Further, two slits 14 into which ribs of the ventilation fan are inserted are formed from the inner surface plate 3 to the receiving plate 1.

To assemble this expansion board, as shown in FIG. 2, the outer plate 4 is bent inwardly with respect to the upright outer plate 2, and the superposed plate 5 is horizontally bent. With these bendings, the tongue 13 projects from the outer plate 2 and the tongue 12 projects from the outer plate 4.

Next, as shown in FIG. 3, the receiving plate 1 is horizontally bent and superposed on the overlapping plate 5. With this bending, the tongue piece 10 projects from the outer surface plate 2, and the insertion hole 15 is formed in the outer surface plate 2. After that, the holding frame 8 is folded inward, the overlapping plate 5 is sandwiched between the projecting piece 7 and the holding frame 8, and the insertion piece 9 is inserted into the insertion hole 15. The insertion piece 9 is pressed upward by the protrusion 11 to prevent the holding frame 8 from hanging down.

Then, as shown in FIG. 4, the inner plate 6 and the inner surface plate 3 are sequentially bent downward, and both side edges of the inner surface plate 3 are brought into contact with the inner plate 6 to form the cushioning material D shown in FIG. To be done.

This cushioning material D prevents the outer plate 4 and the inner plate 6 from swinging by sandwiching the overlapping plate 5 by the projecting piece 7 and the holding frame 8 and contacting the inner plate 6 with the side edge of the inner plate 3. Because it is done
The shape is securely retained.

FIG. 6 shows a ventilation fan F using the cushioning material D.
Shows the packing state of. The ventilation fan F has a protrusion P on the back surface of the frame W.
Is provided. When packing the ventilation fan F, a pair of cushioning materials D and D are installed in a corrugated box B with the inner surface plates 3 facing each other, and the protruding portion P of the ventilation fan F is dropped between the inner surface plates 3 and 3. The frame W is placed on the receiving plate 1.

When packed as described above, the movement of the ventilation fan F in the box B is suppressed by the outer peripheral surface of the protrusion P contacting the inner surface plates 3 and 3 and the inner plates 6 and 6. Further, between the outer surface plate 2 and the inner surface plate 3 and between the outer surface plate 4 and the inner surface plate 6.
Due to the space formed between and, the shock transmitted from the outside of the box B to the ventilation fan F is mitigated. Furthermore, the tongue pieces 10 and 12
And 13 come into contact with the box B, the cushioning material D and the box B
The impact due to the collision with is also mitigated.

Next, a second embodiment of the cushioning material according to the present invention will be described with reference to FIGS. 7 to 11. Regarding the members corresponding to the members of the first embodiment,
The same reference numerals are given and the description is omitted.

In the development board shown in FIG. 7, a bottom plate 20 and a folding plate 21 are successively arranged from the lower edge of the outer plate 2,
A bottom side plate 22 and a folding piece 23 are sequentially arranged from the leading edge of the inner plate 6. The outer plate 4 and the inner plate 6 have substantially the same vertical dimensions.

When assembling this expansion board, FIG.
As shown in, the outer plate 2 is made upright, the outer plate 4 is bent inward, and the overlapping plate 5 is horizontally bent.

Next, as shown in FIG. 9, the receiving plate 1 is bent in the horizontal direction and superposed on the overlapping plate 5, and the holding frame 8 is formed.
Is folded inward, the overlapping plate 5 is sandwiched between the projecting piece 7 and the holding frame 8, and the inserting piece 9 is inserted into the inserting hole 15. Further, the bottom plate 20 and the folding plate 21 are folded inward.

Then, as shown in FIG. 10, the inner plate 6 is bent downward, the bottom plate 22 is bent outward, and the folding piece 23 is folded upward to bring the folding piece 23 into contact with the outer plate 4. Then, the inner surface plate 3 is bent downward, both side edges of the inner surface plate 3 are brought into contact with the inner plate 6, and the folding plate 21 and the inner surface plate 3 are overlapped with each other, whereby the cushioning material D shown in FIG. 11 is formed.

When the cushioning material D is installed in the box B, the bottom plate 20 and the bottom side plate 22 are in contact with the bottom surface of the box B, so that a heavy ventilation fan can be supported.

[0022]

As described above, the cushioning material according to the present invention swings the outer plate and the inner plate by holding the overlapping plate by the projecting piece and the holding frame and abutting the inner side plate side edge against the inner plate. Since it is prevented and the shape is reliably retained, it can be formed from cardboard or other thick paper without using an adhesive or the like, and can be discarded together with the box without separation.

Also, the packaging cost can be reduced.

[Brief description of drawings]

FIG. 1 is a diagram showing a development board of a first embodiment of a cushioning material according to the present invention.

FIG. 2 is a perspective view from below showing an assembling process of the same.

FIG. 3 is a perspective view from below showing the assembling process of the same.

FIG. 4 is a perspective view from below showing the same cushioning material.

FIG. 5 is a perspective view from above of the same as above.

FIG. 6 is a cross-sectional view showing a usage state of the above.

FIG. 7 is a diagram showing a development board of a second embodiment of the cushioning material according to the present invention.

FIG. 8 is a perspective view from below showing the assembly process of the same.

FIG. 9 is a perspective view from below showing an assembling process of the same.

FIG. 10 is a perspective view from below showing the same cushioning material.

FIG. 11 is a perspective view from above of the same.

[Explanation of symbols]

 1 Receiving plate 2 Outer surface plate 3 Inner surface plate 4 Outer plate 5 Overlapping plate 6 Inner plate 7 Projecting piece 8 Holding frame

Claims (1)

[Claims] 1. An outer surface plate 2 and an inner surface plate 3 which are opposed to each other and stand upright.
The upper end edges of the outer cover 2 are covered with a receiving plate 1 continuously provided from both upper end edges of the receiving plate 1 and projecting pieces 7, 7 projecting toward the inner surface plate 3 are provided at both ends of the receiving plate 1. Outer plates 4 that extend from both side edges in the protruding direction of the projecting piece 7 are continuously provided, and the superposed plates 5 that are continuously provided from the upper edge of each outer plate 4 toward the inside are provided with the projecting piece 7.
A cardboard in which both side edges of the inner surface plate 3 are brought into contact with an inner plate 6 that is sandwiched by a holding frame 8 that connects both the projecting pieces 7 and 7 and that extends downward from the inner edge of each overlapping plate 5. Cushioning material for packaging.