JP2000289775A - Cushioning material for packaging device and the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a cushioning material for packaging device that can reduce waste, and advance the efficiency of work, and good for environmental measures. SOLUTION: The cushioning material 1 consists of foam or the like constituting the packaging device or the like of an electric appliance, wherein a hole 9 is made on one surface, and a projection 10 having substantially the same configuration as the hole 9 at the position opposite to the hole 9 on the opposite other surface 2. Then, the diameter of a tip end 13 of the projection 10 is made smaller than that of a opening part 14 of the hole 9, and the diameter in the vicinity of a base part 11 of the projection 10 is made larger than that in the proximity of the opening part 14 of the hole 9.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cushioning material constituting a packaging device and the like, and more particularly, to a cushioning material for a packaging device and the like capable of reducing shipping and transportation operations and reducing auxiliary materials for binding. It is about materials.

[0002]

2. Description of the Related Art At present, in the market, as customer needs are diversifying, home electric appliances of various forms and sizes are circulating, and it is necessary to maintain product quality from shipping to sales and installation. As the role of packaging and packaging plays an increasingly important role, cushioning materials made of foam materials are indispensable to protect products from shocks and vibrations during cargo handling in the logistics stage. I have.

FIG. 8 is a perspective view showing an example of a polystyrene foam cushioning material of a conventional refrigerator, FIG. 9 is a sectional view taken along line YY of FIG.
FIG. 9 is a perspective view showing a binding state of a plurality of cushioning materials. Normally, the upper cushioning material 30 for protecting the top surface in the refrigerator
The front surface portion 5 and the back surface portion 2 have a flat shape, and when shipping and transporting a plurality of bundles in a bundle, in order to prevent lateral displacement and collapse of the load, the binding straps 31 are used in the vertical and horizontal directions as appropriate. It is hung and fixed. At this time, in case of tying the strap in the longitudinal direction, the binding strap 31 is
As a result, the upper cushioning material 30 at the lowermost stage was tied upside down.

[0004]

According to the cushioning material constructed as described above, the binding string 31 is indispensable when a plurality of pieces such as five or ten pieces are combined into one bundle. In addition, after delivery, the binding straps 3
If you need to transport, store, etc. after solving 1,
If they are left as they are, they need to be united again. Also, after installing the product at the customer,
Similarly, used cushioning material will fall apart,
Very cumbersome.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems. The present invention has been made to reduce waste and improve work efficiency by reducing or abolishing a bundling operation using binding straps and auxiliary materials for binding. Another object of the present invention is to obtain a good cushioning material for a packaging device or the like.

[0006]

SUMMARY OF THE INVENTION The present invention relates to a cushioning material made of a foam material or the like constituting a packaging device or the like for electric equipment,
A hole is provided on one surface, and a projecting portion having substantially the same shape as the hole is provided at a position opposite to the hole on the other surface facing the hole, and the tip diameter of the projecting portion is set to the frontage of the hole. And the diameter near the base of the protruding portion is larger than the diameter near the frontage of the hole. In addition, a hole is provided on one surface to be engaged with the protruding portion of the cushioning material. Further, the shape of the hole and the projecting portion is substantially a truncated cone or a polygonal pyramid.

[0007] A cushioning material made of a foam material or the like constituting a packaging device for electric equipment, wherein notches are provided on both sides of one surface, and a position opposite to the notch is provided on the other opposite surface. And a protruding portion having substantially the same shape as the notch is provided, and the width between the inner walls of the notch is formed wider than the width between the inner walls of the protruding portion.

[0008]

[First Embodiment] FIG. 1 is a perspective view of a first embodiment of the present invention, FIG. 2 is a sectional view taken along line XX of FIG. 1, and FIG. FIG. Reference numeral 1 denotes an upper cushioning member made of styrofoam for protecting the top surface of the refrigerator, has a substantially rectangular parallelepiped shape, and constitutes a part of a packaging device of the refrigerator. The upper cushioning material 1 has a cavity 3 (for example, the depth of the cavity 3 is 30 mm, and the thickness of the upper cushioning material 1 side corresponding to the cavity 3 is substantially concave in a rectangular parallelepiped shape on the back surface 2 side). 30 mm, the thickness of the upper cushioning material 1 side corresponding to that portion in the longitudinal direction is 27 mm), and a slit portion 4 for dividing along the longitudinal direction of the upper cushioning material 1 is provided substantially at the center in the width direction. The front end of the slit portion 4 is formed in a substantially V-shape, and a thin portion 6 is formed on the surface portion 5 side.

Reference numeral 7 denotes a first cushioning component located on one side in the width direction of the upper cushioning material 1, and 8 denotes a second cushioning component located on the other side in the width direction of the upper cushioning material 1. The parts 7 and 8 are connected via a thin part 6 at the tip of the slit part 4 by integral molding, and when used, the part of the thin part 6 is cut manually to be divided into two parts.

9 is a truncated cone-shaped hole provided at each of the four corners of the surface portion 5 of the upper cushioning material 1. 10 is a substantially truncated cone-shaped projection provided at each of the four corners of the back surface 2 on the side of the gap 3. The projecting portion 10 is provided at a position facing the hole 9. In this manner, when the upper cushioning material 1 is aligned at four corners and vertically overlapped with each other as shown in FIGS. The hole 9 of one upper cushioning material 1 and the projecting portion 10 of the other upper cushioning material 1 are engaged with each other at the same position.

As shown in FIG. 3, the projecting portion 10 of the upper cushioning material 1 comprises a projecting base portion 11 and a projecting tip portion 12 located at the tip thereof, and the projecting base portion 11 has a cylindrical shape (for example, , A height of 2 mm, a diameter of 16 mm, and a distance of 0 to 3 mm from the side surface 3 a of the gap 3). 15mm,
The diameter of the bottom surface side of the protruding base 11 is 16 mm, and the diameter of the tip 13 is 11 mm. The diameter (16 mm) of the projecting base 11 and the diameter of the bottom surface of the projecting tip 12 (16 m
m) are configured to be equal, and the diameter of the protruding tip 12 becomes smaller toward the distal end.

On the other hand, the hole 9 has an inverted truncated conical shape as a whole, and its cross-sectional shape is an inverted trapezoidal shape (for example, a height of 16 mm).
The diameter of the frontage 14 (for example, 15 mm) is larger than the diameter of the bottom 15 (13 mm). Then, the diameter (for example, 11 mm) of the tip portion 13 of the projecting tip 12 of the projecting portion 10 is determined by the diameter (15 m
m), and the diameter (16 mm) of the protruding base 11 of the protruding portion 10 is larger than the diameter (15 mm) of the frontage portion 14 of the hole 9 so that the protruding portion 10 is formed in the hole. After being inserted into the connector 9, press-fitting engagement is ensured.

At this time, the thickness of the periphery of the hole portion 9 is
A sufficient strength can be maintained according to the magnification of the styrofoam as a material, the peripheral shape, and the like so as not to be broken even if 0 is press-fitted (for example, the thickness of the side surface 9a of the hole 9 is 8 mm). Set above). However, the durability of the hole portion 9 and the protruding portion 10 is, in view of the purpose and application,
What is necessary is that it can withstand repeated use about two or three times. The material for forming the upper cushioning material 1 is not limited to Styrofoam as long as it has elasticity and rigidity comparable to Styrofoam, and other materials may be used.

The operation of the first embodiment configured as described above will be described. When the upper cushioning material 1 is used, the thin portion 6 of the upper cushioning material 1 shown in FIG. 1 is manually cut, and the divided first and second cushioning parts 7 and 8 are respectively separated from both sides of the refrigerator top surface. Place on shoulder. In this way, the refrigerator can be protected from scratches or damages by buffering loads and impact forces such as warehouse storage and stacking during transportation, and by maintaining a predetermined space set between the top and side surfaces of the refrigerator and the outer cardboard case. Prevents dents.

When the upper cushioning material 1 is transported, delivered, stored, or the like, the upper cushioning material 1 is vertically stacked as shown in FIG. At this time, as shown in FIG. 5, when the back surface portion 2 of one upper cushioning material 1 and the front surface portion 5 of the other upper cushioning material 1 are overlapped with the four corners aligned, the back surface portion 2 is projected. Since the portion 10 and the hole 9 of the surface portion 5 are disposed at positions vertically opposed to each other, the projecting portion 10 of one upper cushioning material 1 is engaged with the hole 9 of the other upper cushioning material 1. I do.

At this time, as described in detail with reference to FIG.
0 at the distal end 13 of the projecting tip 12
Since the diameter of the frontage portion 14 is smaller than the diameter of the frontage portion 14, the distal end portion 13 of the projecting tip 12 of the projecting portion 10 can be easily inserted into the frontage portion 14 of the hole 9. Further, since the diameter of the projecting base 11 of the projecting portion 10 is larger than the diameter of the frontage portion 14 of the hole 9, the projecting portion 10 is securely pressed into and engaged after the projecting portion 10 is inserted into the hole 9. . Thus, as shown in FIG. 5, each part is fitted, and two cushioning materials 1 are stacked. Similarly, a plurality of upper cushioning materials 1 are sequentially laminated, and as shown in FIG. In order to release the stacked state, if a force is manually applied to the upper cushioning material 1 and the upper cushioning material 1 is vertically pulled away, the press-fit state is released and the upper cushioning material 1 is released vertically.

In the above description, the case where the shapes of the holes 9 and the protruding portions 10 are substantially truncated cones is shown. However, the present invention is not limited to this, and the shape of the holes is substantially triangular pyramid. , A pyramid such as a quadrangular pyramid, a pentagonal pyramid, or the like, and the shape of the protruding portion may be a fittable shape that matches the shape of the hole (the same applies hereinafter). In the above description, the upper cushioning material 1 has been described as a cushioning material. However, the present invention is not limited to the upper cushioning material, and may be a lower cushioning material or another cushioning material.

According to the first embodiment, the projecting portion 10 and the hole 9 are provided in the upper cushioning material 1 made of styrene foam, and the projecting portion 1 is provided.
A plurality of upper cushioning materials 1 can be overlapped and laminated by press-fitting and fitting the holes 0 into the holes 9, so that a binding material as a secondary material is reduced or unnecessary at the time of shipment or delivery from a manufacturer. This can reduce or abolish the binding work and reduce shipping and unpacking work. In addition, the efficiency of storage and transportation of surplus items after unpacking at the packing work site can be improved, and line management and the like can be facilitated. Also, when the used upper cushioning materials 1 are arranged at the installation site, the upper cushioning materials 1 having different shapes can be easily assembled by engaging with each other. In addition, since secondary materials such as binding straps can be reduced, environmental measures are improved.

[Second Embodiment] FIG. 6 is a sectional view of a second embodiment of the present invention. The same parts as those in FIG. 5 are denoted by the same reference numerals, and description thereof will be omitted. Reference numeral 16 denotes a cutout having an L-shaped cross section provided at a corner where the side surface 1a and the surface 5 of the styrene foam upper cushioning material 1 intersect, and 17 denotes a back surface of the corner where the side surface 1a and the back surface 2 intersect. The notch 16 and the protruding portion 17 are provided at the four corners of the upper cushioning material 1 at positions that are vertically opposed to each other.
A notch arc portion 18 (for example, a radius of 3 mm) is formed at a corner located on the surface portion 5 side of the inner wall 16 a of the notch 16, and similarly, a tip side of the inner wall 17 a of the projecting portion 17. Are formed at the corners of the projections 19 (for example, a radius of 3 m).
m) is formed.

The width (for example, 200 mm) between the inner side walls 16a of the notch 16
6 is 14 mm) larger than the width between the inner side walls 17a of the projecting portion 17 (for example, 198 mm, the width of each projecting portion 17 at this time is 15 mm). Can be press-fitted into the notch 16 and fitted.

In the case where the weight of the upper cushioning material 1 alone is too large to secure a sufficient mating connection force, or when it is desired to reduce the mating connection force at the request of the work site, one tie string is used. Thus, the plurality of upper cushioning members 1 can be assembled. At this time, the rounded portion 20 to which the binding string is locked
Is provided in an arbitrary region where the front surface portion 5 and the side surface portion 1a and the back surface portion 2 and the side surface portion 1a of the upper cushioning material 1 intersect with each other and are in contact with the binding strap, thereby providing the binding strap. It is possible to prevent detachment at the time of indentation or loosening.

The operation of the second embodiment configured as described above will be described. When transporting the upper cushioning material 1, a plurality of upper cushioning materials 1 are stacked. At this time, the projecting portion 17 and the cutout portion 16 provided on the upper cushioning material 1 are arranged at positions vertically opposed to each other, so that the projecting portion 17 of one upper cushioning material 1 is It engages with the notch 16 of the material 1.

At this time, when the back surface portion 2 of one upper cushioning material 1 is brought into contact with the front surface portion 5 of the other upper cushioning material 1 and the four corners are aligned and overlapped, the width between the inner side walls 16a of the cutout portion 16 is obtained. Is set to be wider than the width between the inner side walls 17a of the projecting portion 17, so that the projecting portion 17 of one upper cushioning material 1 is inserted into the cutout 16 of the other upper cushioning material 1, The fitting can be surely performed. Note that the projecting portion 17 is notched 1
6, the projection 17 and the notch 16 are provided with the projection arc 19 and the notch 18 respectively, so that the projection 19 and the notch 18 are inserted at the beginning of insertion. Are in contact with each other, and the insertion is smoothly performed. Thus, the plurality of upper cushioning materials 1 are stacked. Other functions are described in Embodiment 1.
Since it is substantially the same as the case shown by, the description is omitted.

The effect of the second embodiment is substantially the same as the effect of the first embodiment, and the description of the effect of the overlapping portion will be omitted. In the case where the rounding portion 20 is provided, the binding strap is locked to the rounding portion 20, so that the binding strap can be prevented from coming off at the time of biting or loosening.

[Embodiment 3] FIG. 7 is a longitudinal sectional view of Embodiment 3 of the present invention. Reference numeral 1 denotes an upper cushioning member made of styrene foam which is used by being placed on the top surface of the refrigerator, 9 denotes a truncated cone-shaped hole provided in the surface portion 5 of the upper cushioning material 1, and 10 denotes a substantially truncated cone provided in the back surface portion 2. It is a protruding portion having a shape. Reference numeral 21 denotes a bottom cushioning member made of styrofoam provided at a lower portion of the bottom of the refrigerator, and has a size such that four corners coincide with each other when overlapped with the upper cushioning member 1. Reference numeral 9a denotes a substantially truncated conical hole provided in the back surface 2a of the bottom cushioning material 21. The back surface 2a of the bottom cushioning material 21 and the back surface 2 of the upper cushioning material 1 are in contact with each other. Are arranged at positions where the protruding portions 10 of the upper cushioning material 1 are engaged when the layers are aligned. Other configurations are substantially the same as those described in the first embodiment, and a description thereof will not be repeated.

The operation of the first embodiment configured as described above will be described. When simultaneously transporting and delivering the upper cushioning material 1 and the lower cushioning material 21, for example, the bottom cushioning material 21 is provided below the upper cushioning material 1. At this time, the back surface portion 2 of the upper cushioning material 1 is brought into contact with the back surface portion 2a of the lower cushioning material 21 and the four corners are aligned and overlapped. Since the protrusions 10 of the upper cushioning material 1 are engaged with the holes 6a of the lower cushioning material 21 because the protrusions 10 are disposed at positions vertically opposite to the holes 9a provided on the back surface 2a of the lower cushioning material 21. Press and fit in the state. Other operations are substantially the same as those described in the first embodiment, and thus description thereof is omitted.

According to the third embodiment, even if different shaped cushioning materials such as the upper cushioning material 1 and the lower cushioning material 21 are used, the back surface 2 of the upper cushioning material 1 and the back surface 2a of the lower cushioning material 21 Has a flat portion that can abut against each other, and has a hole portion 9a and a projecting portion 10 that can be fitted to each other, so that it is possible to fit and fix cushioning materials having different shapes.

In the above description, the dimensions of each part of the cushioning material are shown by numerical values, but it is needless to say that the present invention is not limited to this, and can be changed as appropriate.

[0029]

As is apparent from the above description, the present invention relates to a cushioning material made of a foam material or the like constituting a packaging device or the like for electric equipment. A projecting portion having substantially the same shape as the hole portion is provided on the other surface at a position opposite to the hole portion, the tip diameter of the projecting portion is made smaller than the diameter of the frontage portion of the hole portion, and the base portion of the projecting portion is provided. Since the diameter in the vicinity is larger than the diameter in the vicinity of the frontage of the hole, the protrusion of the other cushioning material is easily press-fitted into the hole of one cushioning material, and the required number of cushioning materials are overlapped. Since it can be fixed, it is possible to reduce or abolish the bundling work and auxiliary materials for bundling, thereby reducing waste and improving work efficiency.

In addition, a hole is provided on one surface of the cushioning material, and a projecting portion of a cushioning material having a different shape is press-fitted into this hole, so that the irregularly shaped cushioning material is overlapped and fixed. be able to.

Further, since the shape of the hole and the projecting portion of the cushioning material is substantially frusto-conical or polygonal pyramid, the manufacturing is easy and economical. The mounting portion can be easily press-fitted, and the protruding portion can be easily removed from the hole.

Furthermore, a cushioning material made of a foam material or the like constituting a packaging device or the like for electric equipment, wherein notches are provided on both sides of one surface, and the other surface is opposed to the notch. At the position, a projecting part with almost the same shape as the notch is provided,
Since the width between the inner walls of the notch is formed wider than the width between the inner walls of the protruding portion, the protrusion of the other buffer is easily press-fitted into the notch of one buffer to form a buffer. The required number of materials can be overlapped and fixed, and the bundling work and auxiliary materials for bundling can be reduced or abolished, and waste can be reduced and work efficiency can be improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of Embodiment 1 of the present invention.

FIG. 2 is a sectional view taken along line XX of FIG.

FIG. 3 is a sectional view showing a main part of FIG. 2;

FIG. 4 is a perspective view showing a stacked state of the first embodiment.

FIG. 5 is a longitudinal sectional view of FIG.

FIG. 6 is a sectional view of a second embodiment of the present invention.

FIG. 7 is a sectional view of a third embodiment of the present invention.

FIG. 8 is a perspective view showing an example of a conventional upper cushioning material.

FIG. 9 is a sectional view taken along line YY of FIG. 8;

FIG. 10 is a perspective view showing a binding state of a conventional cushioning material.

[Explanation of symbols]

1 upper cushioning material, 9 holes, 10, 17 projecting parts, 11
Projection base, 12 Projection tip, 14 Frontage, 16 notch, 16a Notch inner wall, 17a Projection inner wall, 21 Lower cushioning material.

Continued on front page F term (reference) 3E066 AA01 BA01 BA02 CA01 DA01 GA03 GA05 KA01 KA02 KA05 NA01 NA41 3E067 AA11 AB51 BA06A BB02A BB17A BC06A EA17 ED04 ED07 EE50 GD03

Claims (4)

[Claims] 1. A cushioning material made of a foam material or the like constituting a packaging device or the like for an electric device, wherein a hole is provided on one surface, and the hole is provided at a position opposite to the hole on the other surface. A projecting portion having substantially the same shape as the hole portion is provided, and the tip diameter of the projecting portion is made smaller than the diameter of the frontage portion of the hole portion, and the diameter near the base of the projecting portion is reduced to the frontage portion of the hole portion. A cushioning material for a packaging device or the like characterized in that the diameter is larger than the diameter in the vicinity. 2. A cushioning material for a packaging device or the like, characterized in that one surface is provided with a hole with which the projecting portion of the cushioning material according to claim 1 is engaged. 3. The cushioning material according to claim 1, wherein the shape of the hole and the projecting portion is substantially a truncated cone or a polygonal pyramid. 4. A cushioning material made of a foam material or the like constituting a packaging device or the like for an electric device, wherein notches are provided on both sides of one surface, and a position on the other surface facing the notch is provided. Wherein a notch is provided with a projecting portion having substantially the same shape as the notch, and a width between inner walls of the notch is formed larger than a width between inner walls of the projecting portion. Wood.