JP2000043852A - Cushion - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cushion to be loaded in a storage box together with contents wherein cushioning ability is high, rigidity may not deteriorate in any direction, there is no variance in shock absorbing ability depending on a direction at the time of drop or collision, the shock absorbing ability is sufficient and also the cushion can be stored and transported in a small space. SOLUTION: The cushion comprises a top plate 10 having an opening C1 which is in approximately the same shape as an outline of a hooked portion of contents, an intermediate plate 20 placed in parallel to the top plate 10 at a predetermined gap V1, a bottom plate 30 placed in parallel to the intermediate plate 20 at a predetermined gap V2 and a pair of side plates 40, 50 for connecting right and left ends of the top plate 10, the intermediate plate 20 and the bottom plate 30, respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cushioning material to be loaded in a storage box or the like together with a storage item, and more particularly to a cushioning material made of cardboard.

[0002]

2. Description of the Related Art Conventionally, when storing items in a storage box, a cushioning material made of cardboard or styrofoam is loaded into the storage box together with the storage items in order to protect the storage items from impacts such as dropping. ing. The cushioning material normally restrains the storage items in the storage box and suppresses fluttering of the storage items in the storage box. And has a function of suitably protecting the stored items from impact.

[0003]

However, in the case of the conventional cushioning material made of corrugated cardboard, it is difficult to form the corrugated cardboard member in a complicated combination due to the problem of assemblability and the like. It was easy to obtain a configuration in which any one of the rigidity of the upper and lower sides or the left and right sides was weakened only by being used in a bent shape. Therefore, depending on the direction of the impact,
The impact absorption capacity was apt to vary. Therefore, it is difficult to use a cushioning material made of a cardboard member for a camera or a CD player, a precision machine such as an electronic organizer, or an information terminal device for the reasons described above. Was used. However, in the cushioning material made of styrofoam, since it cannot be folded, space efficiency is poor, and there is a problem that management cost and transportation cost are high.Therefore, it is possible to form the cushioning material with a foldable cardboard member, Is desired.

Therefore, the present invention has a high shock absorbing capacity, does not have a low rigidity in any direction, does not vary in shock absorbing capacity depending on the direction even in the event of a drop or collision, and has a sufficient shock absorbing capacity. It is another object of the present invention to provide a cushioning material that can be stored and transported in a small space.

[0005]

DISCLOSURE OF THE INVENTION The present invention has been made to solve the above problems. First, the present invention is a paper cushioning material, in which stored articles are fitted and engaged. A top plate having an opening having substantially the same shape as the outer shape of the locked portion of the storage object, and at least one sheet disposed in parallel with the top plate with a predetermined gap therebetween; An intermediate plate portion, and further having a bottom plate portion disposed in parallel with the intermediate plate portion with a predetermined gap therebetween, and a left and right side of the top plate portion, the intermediate plate portion, and the bottom plate portion, respectively. Are characterized by having a pair of side plates connecting the end portions. In the cushioning material of the first configuration, the top plate portion, the intermediate plate portion, the bottom plate portion, and a pair of the side plate portions that connect the respective upper end portions have a high buffering capacity. A cushioning material can be obtained. In other words, in the storage state of the stored items, the rigidity does not deteriorate in any direction,
In addition, even in the event of a fall or collision, the shock absorbing ability does not vary depending on the direction, and the shock absorbing ability can be sufficiently provided. Further, the cushioning material is formed in a substantially sleeve shape by the top plate portion, the intermediate plate portion, the bottom plate portion, and the side plate portion. Can be stored and transported.

Secondly, in the first configuration, at least one bent piece is bent from the opening of the top plate toward the intermediate plate. . Thirdly, in the second configuration, the bent piece portion connects the opening of the top plate portion and the intermediate plate portion. In the cushioning material of the second or third configuration, since the bent piece portion functions as an inner wall between the top plate portion and the intermediate plate portion, it is possible to further increase rigidity and shock absorbing ability. .

Fourthly, in the above-mentioned third configuration, a fitting groove is formed in the intermediate plate portion, and a fitting that can be fitted into the fitting groove at an end of the bent piece portion. By forming a portion, the fitting groove and the insertion portion are fitted,
The bent piece portion connects the top plate portion and the intermediate plate portion. In the cushioning material of the fourth configuration, the bent piece portion is formed by a simple method of setting the bent piece portion upright in the fitting groove of the intermediate plate portion and fitting the insertion portion. The top plate portion and the intermediate plate portion can be connected to each other, and the cushioning material is folded and stored in a planar shape in a temporarily assembled state of the cushioning material before fitting, and the cushioning material is stored immediately before use. And can be used in a completed state by fitting the insertion portion into the fitting groove. Therefore, the cushioning material can be piled up and stored in a temporarily assembled state, space efficiency can be improved, and management costs and transportation costs can be reduced. Fifth, in the second, third, or fourth configuration, the bent piece portion is formed by bending each of the upper, lower, left, and right sides of the opening of the top surface plate portion through bent curves. It is characterized by being provided. In the cushioning material having the configuration of 5, since the bent piece portion is disposed on the upper and lower sides and the left and right sides of the opening of the top plate via bent curves, respectively, In all directions, it is possible to increase rigidity and shock absorbing capacity.

Sixth, in the second, third, fourth, or fifth configuration, the bent piece portion is formed by a member inside the opening of the top plate portion. It is characterized by. In the cushioning material of the sixth configuration,
The excess corrugated cardboard member inside the opening of the top plate can be appropriately cut and bent and used as the bent piece, so that the member can be effectively used and the material cost can be reduced. Seventh, in the first, second, third, fourth, fifth, or sixth configuration, both ends formed by the top plate, the bottom plate, and a pair of side plates. Characterized in that a side plate piece covering the opening is provided. In the cushioning material of the seventh configuration, the overall rigidity can be further increased by the action of the side plate pieces.

Eighth, in the above-mentioned first or second or third or fourth or fifth or sixth or seventh configuration,
The cushioning material is made of cardboard. In the cushioning material of the eighth configuration, since the cushioning material is formed by a lightweight and inexpensive member, the cushioning material has a lightweight and inexpensive configuration and can be recycled. Ninth, in the ninth aspect, the cushioning member is formed of one corrugated board. In the cushioning material of the ninth configuration, it is possible to efficiently manufacture the minimum amount of raw materials.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. In addition, the dashed line in each of the development drawings indicates a fold curve of a valley fold unless otherwise specified, the solid line indicates an outer peripheral line or a cut line, and a line separated by a circle on a corrugated cardboard surface indicates a waveform direction of the center core. Things.
The waveform direction of the center is not limited to the illustrated direction, and may be set arbitrarily. In this embodiment,
The direction shown in the circle of FIG. 2 is desirable.

[0011] In addition, it is preferable that the corrugated cardboard member is provided with perforations or the like on the fold curves of the mountain fold and the valley fold in order to facilitate bending. It should be noted that the perforation or the like is required only when the bent curve and the waveform direction of the center line intersect, and is unnecessary when the bent line and the waveform direction of the center line are in the same direction. . Further, the cushioning material A in the present embodiment is as shown in FIG.
This shows an example in which a substantially rectangular parallelepiped camera P1 is stored.

As shown in FIG. 1, the cushioning material A according to the present invention comprises a top plate 10, an intermediate plate 20, a bottom plate 30, a pair of side plates 40, 50, and side plate pieces. Part 60,
70, bent pieces B1, B2, B3, and B4, and glue margins D1 and D2. This buffer material A is formed of a cardboard material.

As shown in FIG. 1, the top plate 10 is
The opening C1 is formed substantially at the center, and is formed in a substantially rectangular flat plate shape. Further, the intermediate plate portion 20 is formed in a substantially rectangular flat plate shape substantially the same as the top plate portion 10 and is disposed in parallel with the top plate portion 10 with a predetermined gap V1 therebetween. Further, the bottom plate portion 30 is formed in a substantially rectangular flat plate shape substantially the same as the top plate portion 10 and the intermediate plate portion 20, and the gap V substantially equal to the intermediate plate portion 20 and the gap V1.
2 are arranged in parallel with the top plate 10 and the intermediate plate 20.

The pair of side plate portions 40 and the side plate portion 50 are formed in a rectangular shape having substantially the same width as the top plate portion 10, the intermediate plate portion 20, and the bottom plate portion 30. As shown in FIG. 1, the left and right ends of the top plate 10, the intermediate plate 20, and the bottom plate 30 are connected. The side plate piece 60 and the side plate piece 70
Is formed in a rectangular shape having a width substantially equal to the width of the pair of side plate portions 40 and the side plate portion 50. As shown in FIG. Are disposed between the end portions. With such a configuration, as shown in FIG. 1, the top plate 10, the bottom plate 30, the pair of side plates 40 and 50, and the side plate piece 6.
0, the side plate piece 70 forms a substantially rectangular parallelepiped box.

The bent pieces B1, B2, B3, B4 are
The opening C1 of the top plate 10 is disposed at each of four sides of the top, bottom, left and right of the opening C1, and the opening C1 of the top plate 10 and the intermediate plate 20 are connected by a method described later. I do. In other words, it functions as a substantially inner wall between the top plate 10 and the intermediate plate 20, and furthermore, as a connecting plate. In addition, the opening C1 is formed in accordance with the shape of the stored item in order to fit and hold the end of the stored item. In this embodiment, since the camera P1 is assumed as the storage object as shown in FIG. 8, the opening is formed in a substantially rectangular shape in accordance with the shape of the end to which the camera P1 fits. Further, in order to maintain the shape of the cushioning material A, the glue margin plates D1 and D2 are formed.

In the cushioning material A of the present embodiment, all members are 1
Although it can be formed from a single cardboard substrate Q1, this will be described below. As shown in the developed shape of FIG. 2, one corrugated cardboard substrate Q1 is formed by punching out corrugated cardboard formed with a predetermined wave height and a peak number, which will be described later. In this case, in the case where the above-described perforations and the like are applied to the corrugated cardboard member, it is performed simultaneously with the above-described punching. In this case, the corrugated cardboard member has a wave height of about 0.6 m at the center of the wave shape.
It is preferable to use a corrugated cardboard member with m and 120 ± 3 peaks per 30 cm.

As shown in FIG. 2, the corrugated cardboard substrate Q1 has the side plate 50 connected to the left side of the top plate 10 via a bent curve, the side plate 40 on the right side, and the side plate 40 on the upper side. The side plate piece portion 60 is connected to the lower side of the side plate piece portion 70 via a folding curve. In other words, the side plate pieces 60, 70 have a function of covering the openings at both ends formed by the top plate 10, the bottom plate 30, and the pair of side plates 40, 50. Further, as shown in FIG. 2, the bottom plate portion 30 is continuously provided on the right side of the side plate portion 40 through a bent curve, and a glue margin plate portion is provided on the right side of the bottom plate portion 30. D2 is connected via a folding curve,
On the right side of the glue margin plate portion D2, the intermediate plate portion 20 is continuously provided via a fold curve. Further, on the right side of the intermediate plate portion 20, a glue margin plate portion D1 is formed via a fold curve. It is installed continuously. Note that the width of the glue substitute plate portions D1 and D2 is the same as the gap V2 described above.
Are formed to have substantially the same length as.

As shown in FIG. 2 and FIG. 3, the opening C of the top plate 10 in which no member is required as an opening is provided.
1 by using the inner member, the bent piece portions B1, B2, B
3 and B4 are formed. That is, as shown in FIG. 3, the member inside the opening C1 is divided by four oblique notches R10 and four arc-shaped notches R20, and the four substantially trapezoidal folds are formed. Piece B1, B
2, B3 and B4 are formed. In addition, each of the bent pieces B
As shown in FIG. 3, substantially rectangular insertion portions B1a, B2a, B3a, and B4 are provided at the distal end portions of the first, B2, B3, and B4.
a are respectively formed.

As shown in FIG. 2, a circular hole 20a is formed in the intermediate plate portion 20, and when the bent pieces B1, B2, B3, and B4 are bent. ,
Substantially rectangular fitting grooves 20b, 20 large enough to fit the inserts B1a, B2a, B3a, B4a at positions corresponding to the inserts B1a, B2a, B3a, B4a.
c, 20d and 20e are formed.

Next, a process of assembling the cardboard substrate Q1 punched into the above-described shape into the cushioning material A will be described. First, as shown by the shaded portion in FIG. 2, after gluing a predetermined portion of the glue substitute plate portions D1 and D2,
As shown in FIG. 4, the intermediate plate portion 20 is rolled up,
The intermediate plate portion 20 is disposed immediately above the bottom plate portion 30 at a position separated by the height of the glue substitute plate portions D1 and D2, that is, at a position separated by the gap V2 described above. Glue board D1, D
As for No. 2, gluing is performed on the back surfaces of the glue substitute plate portions D1 and D2 in FIG.

Next, as shown by the arrow in FIG. 4, the side plate portion 50 is rolled up to the state shown in FIG. 5, and in this state, the glue margin plate portion D2 and the side plate portion 40, and The glue margin plate portion D1 and the side surface plate portion 50 are adhered by the glue stuck to the above-described glue margin plate portions D1 and D2. Then, the state in which the bonding is completed is a temporary assembled buffer A10 in which the buffer A is temporarily assembled (see FIG. 5). In addition, the paste of the above-mentioned glue to the above-mentioned glue substitute board parts D1 and D2 is as follows.
It is not necessary to attach to the entire surface of the above-mentioned glue substitute plate portions D1, D2,
It does not matter if the adhesive strength can be maintained. That is, it may be attached to the portion shown by hatching in FIG. Needless to say, glue may be attached to the entire surface of the glue substitute plate portions D1, D2. Also, a configuration may be adopted in which glue is attached only to the glue substitute plate portion D2 and no glue is attached to the glue substitute plate portion D1.

From this state, as shown by the arrow in FIG. 5, the bent pieces B1, B2, B3, and B4 are bent toward the intermediate plate 20, and the bent pieces B1, B2, B2, B
3, B4a formed at the tip of B4, B1a, B2a,
B3a, B4a are connected to the fitting grooves 20b, 20c, 20
d and 20e are fitted and fixed as shown in FIG.

As shown by the arrow in FIG. 5, the side plate piece 60 and the side plate piece 70 are bent downward to complete the assembly of the cushioning material A as shown in FIG. It will be a completed state. As described later, the side plate piece 60 and the side plate piece 70 come into contact with the side wall of the storage box when stored in the storage box, so that gluing or the like is unnecessary, and only the lower side is bent. Good.

As described above, in the cushioning material A according to the present embodiment, the above-mentioned inserting portions B1a, B2a, B3a, B4a are temporarily assembled before being fitted into the above-mentioned fitting grooves 20b, 20c, 20d, 20e. It can be buffer material A10. Therefore, as shown in FIG. 7, the temporary assembly buffer material A10 is folded and stored in a flat shape, and the temporary assembly buffer material A10 is raised immediately before use, and the fitting grooves 20b, 20c, 20
d and 20e, the insertion portions B1a, B2a, B3a and B4
a can be used as the cushioning material A in a completed state by fitting. Therefore, the temporary assembly cushioning material A10 can be folded, stacked and stored, and the space efficiency is improved,
Management costs and transportation costs can be reduced. In this case, since the cushioning material A is a glow product formed by gluing, the temporary assembling material A1 is used.
Even if 0 is folded, there is no problem such as the fitting portion coming off.

Next, the use state and effects of the cushioning material A according to this embodiment will be described. First, using the two cushioning materials A, both ends of the camera P1 that is stored in the opening C1 of the cushioning material A are fitted and mounted as shown in FIG. Then, the camera P1 in which the two cushioning materials A are mounted in that state is stored as shown in FIG. 9 according to the size of the camera P1 in which the two cushioning materials A are mounted in advance. Store gently in box R1.

Therefore, the camera P1 is firmly supported in the vertical and horizontal directions by the bent pieces B1, B2, B3, B4.
Even if the storage box R1 vibrates while being held by the cushioning material A inside the camera 1 and the camera P1 is stored, the fluttering of the camera P1 is suppressed.

Further, the bent pieces B1, B2, B3, B
4 connects the opening portion C1 of the top plate portion 10 and the intermediate plate portion 20 with each other.
B2, B3, and B4 are used as impact receiving surfaces, and the top plate portion 10 and the intermediate plate portion 20 are connected to the bent pieces B1, B, respectively.
It is arranged as a digit of 2, B3, B4. Therefore, FIG.
0 and as shown in FIG.
Dampers X1, X2, Y1,
Y2 is formed. Therefore, the damper parts X1, X2,
Y1 and Y2 can each function substantially as a damper. Therefore, when the storage box R1 storing the camera P1 falls or collides against a wall or the like, the respective dampers X1, X2, Y1, and Y2 absorb the impact in all directions. The camera P1 can be suitably protected from impact.

According to the cushioning material A according to the present embodiment described above, the top plate 10, the intermediate plate 20, the bottom plate 30, and a pair of the above-mentioned upper end portions connected to each other. Since the side plates 40 and 50 form a complicated structure vertically and horizontally and can have a multilayer structure, the rigidity of the camera P1 in any direction is not deteriorated in the stored state. Also, at the time of dropping or collision, etc., each of the bent pieces B1, B2, B3, B
4, the damper portions X1, X2, Y1, and the top plate portion 10 and the intermediate plate portion 20 are arranged as the beams of the bent pieces B1, B2, B3, and B4.
By the action of Y2, it is possible to provide a cushioning material that can have a sufficient shock absorbing ability while the impact absorbing ability does not vary depending on the direction.

In this embodiment, the cushioning material A is connected to the bent pieces B1, B2, B3 and B4 by the fitting grooves 20b.
Temporarily assembled cushioning material A before fitting to 20c, 20d, 20e
It can be set to 10. Therefore, the temporary assembled cushioning material A10 is folded into a planar shape and stored, and the temporary assembled cushioning material A10 is used as a completed cushioning material A immediately before use, so that the temporary assembled cushioning material A10 is folded. The storage efficiency can be increased, and space efficiency can be improved, and management costs and transportation costs can be reduced.

It should be noted that the present invention is not limited to only the configuration of the present embodiment, and various embodiments are possible without departing from the gist of the present invention. For example, in the cushioning material A according to the present embodiment, the glue substitute plate portion D1 is configured to be bonded to the side plate portion 40 in a state facing downward as shown in FIG. As described above, a configuration may be adopted in which the side plate 40 is adhered while facing upward.

In this embodiment, the bent piece portions B1,
As shown in FIG. 3, B2, B3, and B4 have a substantially trapezoidal shape with four oblique notches R10.
As shown in FIG. 14, the four bent pieces B having a substantially rectangular shape are divided by four horizontal and vertical cuts R10 ′ and four circular cuts R20 ′.
1 ', B2', B3 ', and B4' are also possible. In this case, as in the case of the trapezoidal shape,
As shown in FIG. 14, a substantially rectangular insertion portion B1a is provided at the tip of each of the bent pieces B1 ', B2', B3 ', and B4'.
', B2a', B3a 'and B4a' can be fitted to the intermediate plate.

In the present embodiment, the cushioning material A having the side plate piece 60 and the side plate piece 70 is used. It is also possible to use a cushioning material without the side plate piece 70. Further, either one of the side plate pieces 60 and 70 may be used.

Further, in the above embodiment, the bent piece portion B
Although 1, B2, B3, and B4 have been described as being connected to the intermediate plate portion 20, they need not be connected to the intermediate plate portion 20. In other words, if the distance between the top plate 10 and the intermediate plate 20 is long, the bent piece may not reach the intermediate plate 20, and such a configuration may be employed.

Further, in the structure of the present embodiment, a structure having a two-layered space portion using only one intermediate plate portion 20 is used. However, the present invention is not limited to this. A configuration having three or more layers may be used depending on the size, shape, weight, and the like. That is, as shown in FIG. 15A showing the end face of the cushioning material A ′, a three-layer structure using two intermediate plate portions 20 may be used, and FIG. 15 showing the end face of the cushioning material A ″. The structure shown in (b) may be adopted.

In the present embodiment, the opening C1 of the top plate 10 has only one location. However, as shown in FIG. 16, a plurality of openings C10, C20, C3 are provided.
In this embodiment, the storage box is made of corrugated cardboard, but may be kraft paper, cardboard, or other paper.

Also, the storage article of the present invention is not limited to the camera in the present embodiment, but can be applied to various precision equipment, electric appliances, glass, pottery and the like which require a buffering action. In this case, of course, the shape of the cushioning material A, the shape of the opening C1, the shape of the storage box R1,
Needs to be set separately.

In the structure of this embodiment, the cushioning material A
Are arranged at both ends of the camera P1, and two
However, the present invention is not limited to this, and a configuration in which only one cushioning material is used per one storage article or a cushioning material having a different shape is used at the lower end portion of the storage article. It is also possible to adopt a configuration in which a large number of cushioning materials are used for one storage item.

In the structure of the present embodiment, the opening C1 of the cushioning material A is fitted to the end of the camera P1, but it is merely used as a spacer to be inserted into the gap between the storage object and the storage box. It can also be used. The hole 20a
Is provided for the purpose of bleeding air or the like, and thus may not be provided.

[0039]

According to the cushioning material of the present invention, the top plate, the intermediate plate, and the bottom plate,
A pair of the above-mentioned side plates connecting the upper ends thereof can provide a cushioning material having a high buffering capacity. In other words, in the storage state of stored items, the rigidity is not inferior in any direction, the impact absorbing ability does not vary depending on the direction even at the time of falling or collision, and the shock absorbing capacity is sufficiently provided. can do. Further, since the cushioning material is formed in a substantially sleeve shape by the top surface plate portion, the intermediate plate portion, the bottom surface plate portion, and the side surface plate portion, the cushioning material can be folded, and the space can be reduced. It can be stored and transported.

According to the cushioning material of the present invention, the bent piece functions as an inner wall between the top plate and the intermediate plate, thereby further improving rigidity and shock absorption. It is possible to increase the ability. In addition, in particular, according to the cushioning material according to claim 4, the bent piece portion is erected in the fitting groove of the intermediate plate portion, and the insertion portion is fitted by a simple method. The bent piece part can connect the top plate part and the intermediate plate part, and the cushioning material is folded into a flat shape in a temporarily assembled state of the cushioning material before fitting, and stored and used. Immediately before, the buffering material is erected, and the insertion portion is fitted in the fitting groove, so that it can be used in a completed state. Therefore, the cushioning material can be piled up and stored in a temporarily assembled state, space efficiency can be improved, and management costs and transportation costs can be reduced.

According to the cushioning material of the fifth aspect, the bent piece portion is disposed on each of the upper, lower, left and right sides of the opening of the top surface plate portion via a bent curve. As a result, rigidity and shock absorbing capacity can be increased in all directions, up and down, left and right. In addition, in particular, according to the cushioning material according to claim 6, since the excess corrugated cardboard member inside the opening portion of the top plate portion can be appropriately cut and bent and used as the bent piece portion, Effective utilization and reduction of raw material costs can be achieved.

In particular, according to the cushioning material of the seventh aspect, the overall rigidity can be further increased by the action of the side plate piece. In particular, according to the cushioning material according to claim 8, since the cushioning material is formed by a lightweight and inexpensive member, the configuration is lightweight and inexpensive, and
Recycling becomes possible. In particular, according to the cushioning material of the ninth aspect, it is possible to efficiently manufacture from the minimum amount of raw materials.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a cushioning material according to an embodiment of the present invention.

FIG. 2 is a developed view showing a developed shape of the cushioning material of the present embodiment.

FIG. 3 is a main part developed view showing a developed shape of a main part of an opening.

FIG. 4 is a perspective view showing a state in which the intermediate plate portion is rolled up.

FIG. 5 is a perspective view showing a temporarily assembled cushioning material of the present embodiment.

FIG. 6 is a perspective view showing a state in which an insertion portion of the bent piece portion is temporarily fitted into the intermediate plate portion fitting groove from the temporarily assembled cushioning material.

FIG. 7 is a perspective view showing a temporarily assembled cushioning material folded in a plane.

FIG. 8 is an explanatory diagram showing a method of attaching a cushioning material to a storage item.

FIG. 9 is an explanatory diagram showing storage of a cushioning material attached to a storage item in a storage box.

FIG. 10 is a sectional view taken along line TT in FIG. 9;

11 is a sectional view taken along the line SS in FIG. 9;

FIG. 12 is an end view showing the cushioning member of the present embodiment.

FIG. 13 is an end view showing a cushioning material of another embodiment.

FIG. 14 is a development view of a main part showing another example of the shape of the bent piece part.

FIG. 15 is a view showing a cushioning material according to another embodiment;
FIG. 3 is an end view showing an example of a three-layer structure using two intermediate plate parts, and FIG. 2B is an end view showing an example of a three-layer structure using three intermediate plate parts.

FIG. 16 is a plan view showing an example in which a plurality of openings are formed in a top plate portion.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Top board part 20 Intermediate board part 20b, 20c, 20d, 20e Fitting groove 30 Bottom board part 40, 50 Side board part 60, 70 Side board piece part A Buffer material B1, B2, B3, B4 Bending piece part B1a, B2a, B3a, B4a Insertion part C1 Opening part D1, D2 Glue board part V1, V2 Gap Q1 Cardboard board R1 Storage box X1, X2, Y1, Y2 Damper part

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[Procedure amendment]

[Submission Date] October 25, 1999 (1999.10.
25)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0005

[Correction method] Change

[Correction contents]

[0005]

The present invention SUMMARY OF] is a one that is created in order to solve the above problems, the first, buffer
Material, a substantially square top surface having an opening of a predetermined shape
Plate portion and a continuous connection from the opening of the top plate portion via a broken line.
Through the bent piece part and one side of the top plate part
A first side plate having a substantially rectangular shape and being connected to each other;
A polygonal line from one side opposite to the side where the first side plate is continuously provided
A second side plate portion continuously provided through the second side plate portion;
It is a bottom plate of approximately square shape that is
The top plate is disposed in parallel with the predetermined distance from the top plate.
The bottom plate and the bottom plate are connected to each other via a broken line.
A substantially square first glue substitute plate portion, wherein the first side plate portion and
A first glue substitute plate portion bonded thereto and a polygonal line from the first glue substitute plate portion
An intermediate plate portion continuously provided through the
It has a fitting portion for fitting an end portion, and the top plate portion and the bottom surface
An intermediate plate portion disposed in parallel between the plate portions, and
A substantially square second glue substitute plate portion continuously provided via a broken line.
Thus, a second glue substitute plate portion bonded to the second side plate portion,
The first side plate and the second side plate in the top plate are connected.
Side plate pieces continuously connected from the other two sides that are not installed
A top plate portion, a bottom plate portion, a first side plate portion, and a
One that covers the openings at both ends composed of two side plates
And a pair of side plate pieces, between the top plate and the intermediate plate.
The distance and the distance between the bottom plate and the intermediate plate are almost the same
The cushioning material has a wave height of 0.6 mm at the center.
And the number of peaks per 30 cm is 120 ± 3
It is characterized by being formed of a cardboard material .

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0006

[Correction method] Change

[Correction contents]

In the cushioning material of the first configuration,
The top plate, the intermediate plate, and the bottom plate,
Is attached to the pair of side plates that connect the upper ends
Therefore, a buffer material having a high buffer capacity can be obtained. One
In other words, in the storage state of stored items, in any direction
The rigidity is not inferior.
Even if there is no variation in shock absorption capacity depending on the direction
In addition, the shock absorbing ability can be sufficiently provided. Ma
The top plate, the intermediate plate, and the bottom plate
And furthermore, the cushioning material is substantially
Because it is formed in a sleeve shape, it can be folded,
It can be stored and transported in a small space. Also,
The bent piece part serves as an inner wall between the top plate part and the intermediate plate part.
In order to function, the rigidity and shock absorption capacity must be further increased.
And become possible. Also, the end of the intermediate plate portion is fitted with the fitting
The bent part is raised by a simple method of fitting
The ceiling plate and the intermediate plate can be connected.
At the same time, the cushioning material is temporarily assembled before fitting.
Fold it flat and store it.
And complete the fitting by fitting the insertion part into the fitting groove.
It can be used in a state. Therefore, the above
Space material can be stacked and stored in a temporarily assembled state for space efficiency.
Improves management and transportation costs
It will work. Furthermore, the side plate piece is provided.
Then, by the action of the side plate pieces, the overall rigidity is further increased.
Can be enhanced. In addition, lightweight and inexpensive cardboard
Material is used to form the cushioning material, making it lightweight and inexpensive.
With the configuration, recycling becomes possible.

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0007

[Correction method] Change

[Correction contents]

[0007] Second, in the first configuration,
The distance between the top plate and the intermediate plate, and the distance between the bottom plate and the middle
It is characterized in that the distance between the plate parts is substantially the same
And Third, in the first or second configuration,
And the bent piece portion is inside the opening of the top plate portion.
Characterized by being formed by the above member. Yo
An excess cardboard portion inside the opening of the top plate portion
The material can be appropriately divided and bent to be used as the bent piece.
As a result, effective use of materials and reduction of raw material costs can be achieved.
You.

[Procedure amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0008

[Correction method] Change

[Correction contents]

[0008] Fourth, the first or second or second or third embodiment
3. In the configuration of 3, the cushioning material is a single corrugated board.
Characterized by being formed from Therefore, the minimum
Can be efficiently produced from the raw material.

[Procedure amendment 6]

[Document name to be amended] Statement

[Correction target item name] 0009

[Correction method] Deleted

[Procedure amendment 7]

[Document name to be amended] Statement

[Correction target item name] 0039

[Correction method] Change

[Correction contents]

[0039]

According to the cushioning material of the present invention, the top plate, the intermediate plate, and the bottom plate,
A pair of the above-mentioned side plates connecting the upper ends thereof can provide a cushioning material having a high buffering capacity. In other words, in the storage state of stored items, the rigidity is not inferior in any direction, the impact absorbing ability does not vary depending on the direction even at the time of falling or collision, and the shock absorbing capacity is sufficiently provided. can do. Further, since the cushioning material is formed in a substantially sleeve shape by the top surface plate portion, the intermediate plate portion, the bottom surface plate portion, and the side surface plate portion, the cushioning material can be folded, and the space can be reduced. It can be stored and transported. In addition,
The curved piece serves as an inner wall between the top plate and the intermediate plate.
To improve the rigidity and shock absorption capacity
Becomes possible. Further, the end of the intermediate plate portion is connected to the fitting portion.
By a simple method of fitting to the above, the bent piece part
It is possible to connect the top plate and the intermediate plate
At the same time, the cushioning material is
Fold it into a flat surface and store it.
Stand up and fit the insertion part into the fitting groove to complete
Can be used in a state. Therefore, the above buffer
Materials can be piled up and stored in a temporary assembly, saving space efficiency.
Improve and lower administrative and transportation costs
become. Further, since the side plate piece is provided,
By the action of the side plate pieces, the overall rigidity is further increased.
Can be In addition, a lightweight and inexpensive part called cardboard
Lightweight and inexpensive structure because the buffer material is formed by the material
And recycling becomes possible.

[Procedure amendment 8]

[Document name to be amended] Statement

[Correction target item name] 0040

[Correction method] Change

[Correction contents]

Further, in particular, according to the cushioning material of the third aspect.
If so, extra cardboard inside the opening in the top plate
Can be used as the above-mentioned bent piece by dividing and bending the member appropriately
Therefore, effective use of materials and reduction of raw material costs can be achieved.
Wear.

[Procedure amendment 9]

[Document name to be amended] Statement

[Correction target item name] 0041

[Correction method] Change

[Correction contents]

Further, in particular, according to the cushioning material of the fourth aspect.
If so, the cushioning material is formed from one corrugated cardboard substrate
Therefore, it can be manufactured efficiently from the minimum amount of raw materials
Becomes

[Procedure amendment 10]

[Document name to be amended] Statement

[Correction target item name] 0042

[Correction method] Deleted

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3E060 AA03 BA08 BC02 BC04 CC12 CC19 CC43 CC52 DA11 DA26 EA09 EA14 EA16 EA17 EA20 3E066 AA21 CA03 CA04 FA01 FA13 HA01 JA03 KA05 KA20 NA01 NA42 NA48 NA60 3E096 AA03 BA21 BA23 BA30 DA04 DC03 EA01Y FA09 FA20 FA29 FA40 GA11

Claims (9)

[Claims] 1. A cushioning material made of paper, comprising: a top plate having an opening having a predetermined shape; and at least one intermediate plate disposed in parallel with the top plate with a predetermined gap therebetween. And a bottom plate disposed in parallel with the intermediate plate with a predetermined gap therebetween, and left and right ends of the top plate, the intermediate plate, and the bottom plate, respectively. And a pair of side plate portions that are connected to each other. 2. The buffer according to claim 1, wherein the buffer has at least one bent piece bent from the opening of the top plate toward the intermediate plate. Wood. 3. The cushioning material according to claim 2, wherein the bent piece portion connects the opening of the top plate portion and the intermediate plate portion. 4. A fitting groove is formed in the intermediate plate portion, and a fitting portion that can be fitted into the fitting groove is formed at an end of the bent piece portion, and the fitting groove and the fitting groove are formed. The cushioning material according to claim 3, wherein the fitting portion connects the bent piece portion to connect the top plate portion and the intermediate plate portion. 5. 5. The bent piece portion is disposed on each of the upper, lower, left and right sides of the opening of the top plate portion via a bent curve.
Or the cushioning material according to 4. 6. The cushioning material according to claim 2, wherein the bent piece portion is formed by a member inside the opening of the top plate portion. 7. A side plate piece that covers openings at both ends formed of the top plate, the bottom plate, and a pair of side plates. Or the cushioning material according to 3 or 4 or 5 or 6. 8. The cushioning material according to claim 1, wherein the cushioning material is made of corrugated cardboard. 9. The cushioning material according to claim 8, wherein said cushioning material is formed from one corrugated cardboard substrate.