JP2000302170A - Cushioning corner block - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a corner block as a cushion material whose manufacturing cost can be reduced. SOLUTION: The corner block 10 is used in casing a product or a part for bringing the product or the part into contact with its corner to protect it. The corner block 10 comprises three blocks including first to third blocks 11, 12, 13 which are to come into contact with three planes of the corner. A fitting protrusion 11a to be fitted into a fitting recess 12a formed on a side end face of the second block 12 is formed on a side end face of the first block 11, while fitting protrusions 13a to be fitted into fitting holes 11b, 12b formed on side faces of the first and second blocks 11, 12 are formed at the center of two side faces orthogonal to each other of the third block 13.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a corner block for cushioning, and more particularly to a corner block for protecting three corners of a product or part.

[0002]

2. Description of the Related Art When products and parts are packed in boxes, various cushioning materials are used to protect them. Among them, paper materials such as so-called corrugated cardboard and plastics represented by styrene foam are used. It is. Cardboard is used to form the packaging container itself, and Styrofoam is often placed between the cardboard and the product or component.

[0003] The cushioning material using plastic is foamed to make it as light as possible and to enhance the cushioning function. However, it is formed each time according to the shape of the corner of a product or part. It is a fact. However, no matter how small and light this kind of cushioning corner block is, and it is discarded after use, it is necessary to form it according to the shape of the product etc. It requires a corresponding "mold" and is costly.

[0004] A cushioning material using such a plastic is a cardboard for accommodating a product or component in order to prevent a displacement when the material is inserted between the cardboard and the product or component. It is often adhesively fixed to the inside of the box or to a support plate or the like put in the box by an adhesive. In other words, after use, the cushioning material using the plastic and paper such as cardboard must be discarded together.

By the way, in recent years, the "garbage problem"
Has become a big focus, and the cushioning material using this kind of plastic is also a large component of dust. "Separate collection" as part of the "garbage problem" solution
Alternatively, "resource collection" is encouraged, but it is premised on sorting or sorting out potential resources.

[0006] Considering the cushioning material from the "dust problem", as described above, the cushioning material which has become garbage is generally formed by integrating cardboard and plastic with an adhesive. It is difficult to separate or sort the "paper" and "plastic".

The inventor of the present invention has conducted various studies on how to provide a cushioning material that is easy to manufacture, has excellent versatility, and can solve the problem of dust. It was completed.

[0008]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to make it possible to easily separate and sort while reducing the cost of the cushioning material. It is to be.

That is, an object of the present invention according to claim 1 is to provide a corner block which is a cushioning material capable of reducing the manufacturing cost.

The object of the invention according to claim 2 is to achieve the same object as the invention of claim 1 and to integrate with a support plate without using an adhesive. It is an object of the present invention to provide a corner block that can be easily separated or sorted as a result.

An object of the invention according to claim 3 is to achieve a corner similar to that of the invention of claim 1 or 2 and capable of solving a dust problem. Is to provide blocks.

[0012]

Means for Solving the Problems In order to solve the above-mentioned problems, first, means adopted by the invention according to claim 1 will be described with reference numerals used in the following embodiments. , "Used when boxing products or parts,
A corner block 10 that protects the product or component by contacting the corner portion, and the corner block 10 is divided into three portions and comes into contact with three surfaces of the corner portion. The first and third blocks 11, 12 and 13 are provided with a fitting protrusion 11 a fitted on a side surface of the first block 11 and a fitting recess 12 a formed on the side surface of the second block 12. The fitting protrusion 13a is formed and fitted in fitting holes 11b and 12b formed in the side surfaces of the first and second blocks 11 and 12 at the center of two side surfaces orthogonal to each other of the third block 13.
The corner block 10 for cushioning characterized by forming a corner block.

That is, this corner block 10
As shown in FIG. 1, the first block 11, the second block 1
The second and third blocks 13 are composed of three blocks, and when used, are combined as shown in FIG. 6, for example. In addition, three blocks of the first block 11, the second block 12, and the third block 13 are shown in FIG. 5 as a plate material made of a synthetic resin (generally foamed) having a predetermined thickness. It is formed in such a way as to make a mold.

The integration by the combination of the three blocks of the first block 11, the second block 12, and the third block 13 is performed as follows. First, the fitting protrusion 11a formed on the side end surface of the first block 11 is
The first block 11 and the second block 12 are fitted into the fitting recesses 12a formed on the side end surfaces of the second blocks 12 so that they can be orthogonal to each other. Then, each of the fitting protrusions 13a formed at the center of two mutually orthogonal side surfaces of the third block 13 is connected to the first and second blocks 11 and 12.
Into the fitting holes 11b and 12b formed on the side surfaces of
The first block 11, the second block 12, and the third block 13 are fitted so as to be orthogonal to each other. As a result, the corner block 10 becomes an integrated one composed of the three blocks of the first block 11, the second block 12, and the third block 13.

Since the corner block 10 formed by combining the fitting projections 11a and the like does not use an adhesive, the corner block 10 is formed of a pure material, and is separated and collected as it is. It is something that may be done. The corner block 10 can be disposable only once (so-called one-way). However, if the corner block 10 is damaged at the time of its combination or is used repeatedly, the first block 11, the second block 12, or the third block can be used. Needless to say, when a part of the part 13 is damaged, only the damaged part needs to be replaced.

Therefore, the corner block 10 according to the first aspect of the present invention is very simple to manufacture, and
Because of the simple shape, the combination is easy,
Not only can it be “one-way”, but it can be “returnable”, that is, reusable, and as a result, costs can be greatly reduced.

Further, in order to solve the above-mentioned problem, the means adopted by the invention according to claim 2 is that the corner block 10 according to claim 1 is described as “first and second blocks 11”.
Engaging portions 21 formed on the support plate 20 to be housed in the box on both sides below the fitting holes 11b and 12b
Are formed in the engagement grooves 11c and 12c into which are inserted.

That is, the corner block 10 for cushioning according to the present invention is used as shown in FIG. 6, for example, and is formed on a support plate 20 to be housed in a box. Engagement groove 1 fitted in engagement portion 21
1c and 12c are formed on both lower sides of the fitting holes 11b and 12b of the first and second blocks 11 and 12, respectively.

The corner block 10 is attached to the support plate 20 in a state as shown in FIG. 6, but the attachment is performed by first attaching the first block 11 to the support plate 20.
And the second block 12 is attached. This attachment starts by engaging the support plate 20 with the engagement portion 21 by the engagement grooves 11c and 12c formed in the first block 11 and the second block 12, respectively. When fitting the first block 11 and the second block 12 to the support plate 20, the first block 11
The space between the second block 12 and the second block 12 is the same as the combination of the corner block 10 of the first aspect.

As described above, the third block 13 is attached to the first block 11 and the second block 12 attached to the support plate 20 as described above. Of course, if the support plate 20 has a rectangular shape as shown in FIG.
It goes without saying that this is done for each corner.

Since the above operations and integration are performed without using any adhesive, the corner block 10 and the support plate 20 can be easily separated after use, and the support plate 20 can be formed easily. Separation of the used paper or wood and the plastic that is the material of the corner block 10 is reliably performed.

Therefore, the corner block 10 according to the second aspect can be easily manufactured, and can be easily sorted for separate collection, and can play a part in solving the dust problem. is there.

In order to solve the above-mentioned problem, a means according to the third aspect of the present invention relates to the first to third blocks 11 and 12 with respect to the corner block 10 of the first or second aspect. -The entire 13 has a foaming rate of 50 to
And 100 biodegradable plastics. "

That is, in the corner block 10 for cushioning according to the third aspect, not only the fitting projections 11a and the like can be easily manufactured, but also the used corner block 10 is buried in the ground. It can be decomposed by microorganisms in it. Therefore, the corner block 10 can exhibit the same function and action as the corner block 10 of claim 1 or claim 2, and can be buried as it is. Can be solved.

[0025]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a corner block according to a first embodiment of the present invention; Since the present invention substantially includes the present invention, the following description will focus on the corner block 10 of this embodiment.

FIG. 1 is an exploded perspective view of a corner block 10 before being assembled. The corner block 10 is divided into three sections and comes into contact with three surfaces of a corner portion. 1st to 3rd block 1
1, 12 and 13. The first block 11, the second block 12, and the third block 13 are formed by foaming a biodegradable synthetic resin at a foaming rate of 50 to 100 to form a plate. 5 in a state as shown in FIG.

As shown in FIGS. 1, 2 and 5, each first block 11 is formed with a fitting projection 11a projecting outward from the center of one side end thereof. A fitting hole 11b is formed substantially at the center of the first block 11.
Two engagement grooves 11c opening outward are formed on both sides of the first block 11 below the fitting hole 11b.
Are formed respectively.

Similarly, in each second block 12, FIG.
As shown in FIG. 3 and FIG. 5, in the center of one side end,
A fitting concave portion 12a into which the fitting convex portion 11a on the first block 11 side is fitted is formed.
A fitting hole 12b similar to the fitting hole 11b on the first block 11 side is formed substantially at the center. Two engagement grooves 12c that open outward are formed on both sides of the second block 12 below the fitting holes 12b.

The engaging groove 11c on the first block 11 side and the engaging groove 12c on the second block 12 side are fitted into the engaging portions 21 on the support plate 20 side as shown in FIG. ,
The width is substantially the same as the thickness of the support plate 20. Further, the engagement groove 11c on the first block 11 side and the second
The reason why the engaging groove 12c on the block 12 side is opened outward is to facilitate the fitting of the support plate 20 to the engaging portion 21.

The third block 13 corresponds to FIGS. 1, 4 and 5
As shown in the figure, the first block 11 has a fitting hole 11b and a second
2 fitted into the fitting holes 12b on the block 12 side
One of the fitting projections 13a is integrally formed.

As the material of the support plate 20, not only so-called corrugated cardboard but also other synthetic resins, wood, etc. are used.
It suffices only to punch into a shape as shown in FIG.

[0032]

As described in detail above, first, in the invention according to claim 1, as exemplified in the above embodiment,
“The corner block 10 is divided into three parts and comes into contact with three surfaces of the corner part, respectively.
The first block 11 is formed of third blocks 11, 12, and 13, and a fitting protrusion 11 a is formed on a side end surface of the first block 11 to fit into a fitting recess 12 a formed on the side end surface of the second block 12. , Two orthogonal to each other in the third block 13
In the center of one side surface, a fitting projection 13a fitted in the fitting hole 11b / 12b formed in the side surface of the first and second blocks 11/12 "has a structural feature. Accordingly, it is possible to provide the cushioning corner block 10 that can reduce the manufacturing cost.

According to the second aspect of the invention, the corner block 10 of the first aspect is described as follows: "In the box, on both sides below the fitting holes 11b and 12b of the first and second blocks 11 and 12; Engaging grooves 11c and 12c into which engaging portions 21 formed in support plate 20 to be stored are inserted.
Has the feature of the constitution, whereby the same effect as that of the first aspect of the invention can be exhibited, and the integration with the support plate 20 is performed without using an adhesive. As a result, it is possible to provide a corner block 10 that can be easily separated or sorted.

In the invention according to claim 3,
Regarding the corner block 10 according to claim 1 or claim 2, "the entire first to third blocks 11, 12, and 13 are integrally formed of a biodegradable plastic having a foaming ratio of 50 to 100." There is a feature, whereby the same effects as those of the first or second aspect of the invention can be exhibited, and the corner block 10 that can solve the problem of dust can be provided.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a corner block according to the present invention.

FIG. 2 is a plan view of a first block constituting the corner block.

FIG. 3 is a plan view of a second block forming the corner block.

FIG. 4 is a plan view of a third block forming the corner block.

FIG. 5 is a first block constituting the corner block;
It is a top view showing the cutting form of the 2nd block and the 3rd block.

FIG. 6 is a perspective view showing a state where four corner blocks are assembled to one support plate.

FIG. 7 is a plan view of a support plate.

[Explanation of symbols]

 Reference Signs List 10 corner block 11 first block 11a fitting convex portion 11b fitting hole 11c engaging groove 12 second block 12a fitting concave portion 12b fitting hole 12c engaging groove 13 third block 13a fitting protrusion 20 support plate 21 engagement Department

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[Procedure amendment]

[Submission date] April 23, 1999 (1999.4.2
3)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0013

[Correction method] Change

[Correction contents]

That is, this corner block 10
As shown in FIG. 1, the first block 11, the second block 1
The second and third blocks 13 are composed of three blocks, and when used, are combined as shown in FIG. 6, for example. In addition, three blocks of the first block 11, the second block 12, and the third block 13 are shown in FIG. 5 as a plate material made of a synthetic resin (generally foamed) having a predetermined thickness. It is formed in such a way as to make a mold. Of course, these first blocks
The pack 11 or the like may be a foam molded product by a mold.
In the case of, general-purpose foam plastic is natural,
Use biodegradable foam plastic as described below
It may be molded.

Claims (3)

[Claims] 1. A corner block which is used for packing a product or part in a box and protects the product or part by abutting on a corner portion thereof. Three first that will abut each of the three sides of the part
To a third block, and a fitting protrusion fitted in a fitting recess formed in a side end surface of the second block is formed on a side end surface of the first block. A shock-absorbing corner block, wherein a fitting projection fitted into a fitting hole formed in the side surface of the first and second blocks is formed at the center of two side surfaces orthogonal to each other. 2. An engagement groove for inserting an engagement portion formed in a support plate to be housed in the box is formed on both lower sides of the respective fitting holes of the first and second blocks. The cushioning corner block according to claim 1, wherein 3. The shock absorber according to claim 1, wherein the first to third blocks are integrally formed of a biodegradable plastic having a foaming ratio of 50 to 100. Corner block.