JP2607208Y2 - Cushioning material for packaging - Google Patents

Description

[Detailed description of the invention]

BACKGROUND OF THE INVENTION This invention relates to a package which is used by being interposed between a packaging container and an article to be packaged, or which is arranged at a protected portion of the article to be packaged and fixed by binding or the like. The present invention relates to a cushioning material.

2. Description of the Related Art Conventionally, as this kind of cushioning material for packaging, a material entirely formed of a synthetic resin foam has been widely used.

However, in the case of a cushioning material made of a synthetic resin foam, there is a problem that high calorie is generated during waste combustion, which causes pollution. An object of the present invention is to provide a packaging cushioning material which solves the above-mentioned problem.

SUMMARY OF THE INVENTION A packaging cushioning material according to the present invention is formed entirely of paper or a composite material using paper.
And connects the pair of opposing portions and both opposing portions to each other
A tubular body having a substantially U-shaped cross section having a connecting portion , the tubular body having a first component having a substantially U-shaped cross section, and a substantially cross-sectional portion being disposed outside the first component at an interval. U-shaped second component and two connecting circles connecting the side edges of both components
It consists of an arc-shaped part . As the paper, for example, recycled paper is used, but it is not limited to this. As the composite material, for example, a material obtained by laminating aluminum foil and / or a plastic film on recycled paper, or a material obtained by applying a resin coating to the surface of recycled paper is used, but is not limited thereto. In the cushioning material for packaging of the present invention, the cylindrical shape in the second component portion
The part forming the outer wall of the opposing part of the body has the first component side
A concave groove extending in the longitudinal direction
There is. Further, the connecting portion of the cylindrical body in the second component portion
The portion forming the outer wall is recessed and long on the first component side.
In some cases, a concave groove extending in the vertical direction is formed. Further
The outer wall of the opposed portion of the cylindrical body in the second component is formed.
And the outer wall of the connecting portion of the cylindrical body
Connecting part with a circular cross section

The packaging cushioning material is used so as to sandwich the protected portion of the packaged object. Therefore, the protected portion can be protected from three sides. Since the cushioning material is formed in a tubular shape having a substantially U-shaped cross section by paper or a composite material using paper, the cost is lower than that of a conventional material formed entirely of a synthetic resin foam. It is cheaper and has lower calories during waste combustion. Further, a cylindrical member constituting the cushioning material for packaging includes a first component having a substantially U-shaped cross section, and a second component having a substantially U-shaped cross section which is arranged outside the first component at an interval. And two connecting arc-shaped portions for connecting the side edges of both components.
When an external force acts on the packaging cushioning material in a direction perpendicular to the facing portion of the tubular body, the facing portion of the tubular body is deformed so as to be crushed in its thickness direction, and the impact force is reduced by this deformation resistance. Is done. At this time, the connecting portion having a circular cross section is elastically deformed and acts as a hinge. Moreover, since the connecting portion has an arc-shaped cross section, even if the degree of the deformation is large or such deformation is repeated, cracks and cracks are hardly generated in the connecting portion, and the resilience is hardly impaired. Further, the opposite portion of the cylindrical body in the second component portion
The portion forming the outer wall is recessed and long on the first component side.
If a groove extending in the vertical direction is formed,
When an external force is applied in a direction perpendicular to the
The minute portion hits the first component, causing excess
Deformation is prevented. Further, the cylindrical body in the second component portion
To the part forming the outer wall of the connecting part,
If a groove that is concave and extends in the length direction is formed,
When an external force acts on the joint at a right angle, the concave
When the bottom wall portion of the groove hits the first grooved portion, the buffer is provided.
Excessive deformation of the material is prevented.

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows the packaging cushioning material of the present invention. FIG.
In the above, the packaging cushioning material (1) is a cylindrical body having a substantially U-shaped cross section formed entirely of paper or a composite material mainly composed of paper.
(T), a pair of opposing portions (2) and an opposing portion (2).
And a connecting portion (3) for connecting one side edge portion to each other. The tubular body (T) is a first component (8) having a substantially U-shaped cross section.
And a second component (9) having a substantially U-shaped cross section disposed at an interval outside the first component (8) and connecting the side edges of both components (8) and (9). cross section arcuate two connecting arc portions (4) more ing. The portions forming the outer wall (2a) of the opposing portion (2) of the packaging cushioning material (1) and the outer wall (3a) of the connecting portion (3) in the second component (9) have the first configuration, respectively. part
On the (8) side, that is, on the inner side of the tubular body (T), there are formed concave grooves (6), (7) extending in the length direction. Also, the second component
Form the outer wall (2a) of the opposite part (2) of the cylindrical body (T) in the minute (9).
And the part forming the outer wall (3a) of the connecting part (3)
(5) is formed in a circular arc cross section. The cushioning material for packaging (1) is produced, for example, by winding paper or a composite material mainly composed of paper around a mold having a corresponding shape by a spiral winding method or a flat winding method.
Further, the cushioning material for packaging (1), after forming a long tubular body by any method using paper or a composite material mainly composed of paper,
It is made by cutting this to a predetermined length. However, the manufacturing method of the cushioning material for packaging (1) is not limited to this, and can be appropriately changed. FIG. 2 shows a first specific example of a method of using the cushioning material for packaging (1). In FIG. 2, the cushioning material for packaging (1) is a plate-like packaged material.
The package (S) is attached to the package (S) so that the upper side of the package (S) is sandwiched from both sides, and is placed in the packaging container (C). The two opposing portions (2) of the cushioning material (1) are respectively the front and rear side walls (C1) of the packaging container (C) and the front and rear side surfaces of the packaged object (S).
(S1), and the connecting portion (3) is interposed between the upper wall (C2) of the packaging container (C) and the upper surface (S2) of the packaged object (S). The plate-like package (S) includes, for example, a single plate-like product such as a door panel, a laminated plate-like product obtained by stacking a plurality of panels, and the like. Packaging container (C) and packaged object (S)
In addition, when a vertical force as shown by an arrow X in FIG. 2 acts, the cushioning material (1) is deformed as shown by a dashed line in FIG. 2, and the impact force is reduced by this deformation resistance. At this time, the connecting portion (4) at the tip of both opposing portions (2) and the opposing portion
The connecting portion (5) between the (2) and the connecting portion (3) is elastically deformed and acts like a hinge. Since the cross-sectional shape of the connecting portion (4) and the connecting portion (5) between the facing portion (2) and the connecting portion (3) are arc-shaped, the degree of the above deformation is large, or such a deformation is caused. Is repeated, cracks and cracks are less likely to occur in the connecting portion (4) and the connecting portion (5), and the resilience is not easily impaired. Moreover, the groove (7)
When the bottom wall portion of the cushioning member (1) hits the first component (8), excessive deformation of the cushioning material (1) is prevented. When a horizontal force as shown by an arrow Y in FIG. 2 acts on the packaging container (C) and the packaged object (S), the cushioning material (1) is deformed as shown by a two-dot chain line in FIG. The impact force is reduced by this deformation resistance. At this time, as in the case where a vertical force acts,
The connecting portion (4) at the tip of each of the opposing portions (2) and the connecting portion (5) between the opposing portion (2) and the connecting portion (3) are elastically deformed and act as a hinge. And the connecting part (4)
In addition, cracks and cracks are less likely to occur in the connection portion (5), and the resilience is less likely to be impaired. Moreover, since the bottom wall portion of the concave groove (6) hits the first component portion (8), excessive deformation of the cushioning material (1) is prevented. Fig. 3 shows the cushioning material for packaging (1)
2 shows a second specific example of the method of use. In FIG. 3, the cushioning material for packaging (1) is attached to the object to be packaged (S) such that the upper and lower sides and both left and right sides of the plate-like object to be packaged (S) are sandwiched from both sides, respectively. This is put in a packaging container (not shown) or fixed by bundling. The left and right ends of the cushioning material (1) attached to the upper and lower sides of the plate-shaped packaged object (S), and the upper and lower ends of the cushioning materials (1) attached to the left and right sides of the packaged object (S) The parts are connected to each other. That is, on both opposing parts (2) of the cushioning material (1) attached to the left and right sides of the packaged object (S), a distance smaller than the width of the opposing parts (2) from both upper and lower ends thereof, A slit (10) extending from the tip to the entire width is provided. Then, the portion above the upper end slit (10) and the lower portion below the lower end slit (10) are each deformed into a cross-sectional wedge shape, and the insertion portion (1
1), and this insertion portion (11) is the opposite portion of the cushioning material (1) attached to the upper and lower sides of the plate-shaped packaged object (S).
It is inserted into both ends of (2). 4 and 5
Shows a third specific example of the method of using the cushioning material for packaging (1). In FIGS. 4 and 5, the cushioning material for packaging (1) is attached to the object to be packaged (S) such that the upper and lower sides of the plate-like object to be packaged (S) are sandwiched from both sides thereof. Further, a tubular body (20) having a substantially L-shaped cross section is arranged along both left and right sides of the article to be packaged (S). Cylindrical body (20)
Is a first component part (21) along the left and right side edges of the front surface (S3) of the packaged object (S), and the left and right sides of the packaged object (S) connected to one side edge thereof. Second component along the surface (22)
And The distal ends of the two components (21) and (22) are arc-shaped in cross section. This arc-shaped portion is indicated by (23) and (24). The connecting portion (25) between the outer wall (21a) of the first component (21) and the outer wall (22a) of the second component (22) also has an arc-shaped cross section. Furthermore, concave grooves (26) (2) extending in the longitudinal direction respectively on the outer walls (21a) (22a) of the two component parts (21) (22).
7) is formed. The concave grooves (26) and (27) are not necessarily required. The first component (2) is spaced apart from the upper and lower ends of the cylindrical body (20) by a distance smaller than the width of the facing portion (2) of the cushioning material (1).
A slit (28) is formed over the entire width from the tip of 1), and a portion above the slit (28) at the upper end and a portion below the slit (28) at the lower end each have a substantially wedge-shaped cross section. The insertion part (29) is deformed to form an insertion part (29), and this insertion part (29) is inserted into both ends of one opposing part (2) of the cushioning material (1). FIG. 6 shows a fourth specific example of the method of using the cushioning material for packaging (1). In FIG. 6, the cushioning material for packaging (1) is attached to the video tape recorder (30) so that the left and right sides of the video tape recorder (30) are sandwiched from both the upper and lower sides thereof. Contained in a container.
FIG. 7 shows a fifth specific example of the method of using the cushioning material for packaging (1). In FIG. 7, the cushioning material for packaging (1)
Is mounted on the protruding portion (41) so as to clamp the horizontal protruding portion (41) of the copying machine (40) from both upper and lower sides thereof. FIG. 8 shows a sixth specific example of the method of using the cushioning material for packaging (1). In FIG. 8, cushioning material for packaging
(1) is attached to the top plate (51) such that one side of the top plate (51) of the desk (50) is clamped from both upper and lower sides thereof. In the above embodiment, when designing the buffer, the grain direction of the paper to be used may be effectively used or the thickness may be different in order to improve the protection and the buffer.

According to the cushioning material for packaging of the present invention, as described above, it can be used as functionally as the conventional one made entirely of a synthetic resin foam.
Further, since the calorie is reduced during waste combustion as compared with the conventional one, there is no possibility of generating pollution. Moreover, the cost is lower than that of the conventional one. Further, since the protected portion can be protected from three directions, a sufficient buffering action against the impact force applied to the protected portion can be obtained. Further, a cylindrical member constituting the cushioning material for packaging includes a first component having a substantially U-shaped cross section, and a second component having a substantially U-shaped cross section which is arranged outside the first component at an interval. And two connecting portions for connecting the side edges of both components, and the connecting portion is formed in an arc shape in cross section, so that the cushioning material for packaging has a direction perpendicular to the facing portion of the cylindrical body. When the external force is applied, the facing portion of the cylindrical body is deformed so as to be crushed in the thickness direction, and the impact force is reduced by the deformation resistance. At this time, the connecting portion having a circular cross section is elastically deformed and acts as a hinge. Moreover, since the connecting portion has an arc-shaped cross section, even if the degree of the deformation is large or such a deformation is repeated, a crack or a crack is hardly generated in the connecting portion, and the restoring property is hardly impaired. Therefore, the buffer effect is maintained for a long time. In addition, the second component
A first structure is provided at a portion forming an outer wall of the facing portion of the cylindrical body to be formed.
A concave groove is formed on the component side and extends in the length direction.
External force acts on the opposing part at a right angle to it.
The bottom wall of the groove hits the first component.
Thus, excessive deformation of the cushioning material is prevented. Also, the second structure
The part that forms the outer wall of the connecting part of the cylindrical body in the component
In addition, there is a concave groove which is concave toward the first component portion and extends in the length direction.
If formed, the connection will be
When a force is applied, the bottom wall of the groove contacts the first grooved portion.
This prevents excessive deformation of the cushioning material.

[Brief description of the drawings]

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

FIG. 2 is a partial side view showing a first specific example of a method of using the packaging cushioning material of FIG.

FIG. 3 is an exploded perspective view showing a second specific example of a method of using the packaging cushioning material of FIG. 1;

FIG. 4 is an exploded perspective view showing a third specific example of a method of using the packaging cushioning material of FIG. 1;

FIG. 5 is a partially enlarged view of FIG. 4;

FIG. 6 is a perspective view showing a fourth specific example of a method of using the packaging cushioning material of FIG. 1;

FIG. 7 is a perspective view showing a fifth specific example of a method of using the packaging cushioning material of FIG. 1;

FIG. 8 is a perspective view showing a sixth specific example of a method of using the packaging cushioning material of FIG. 1;

[Explanation of symbols]

REFERENCE SIGNS LIST 1 cushioning material 2 for packing 2 facing part 3 connecting part 4 connecting arc-shaped part 5 connecting part 6, 7 concave groove 8 first component 9 second component T cylindrical body

Claims (4)

(57) [Scope of request for utility model registration] 1. A method according to claim 1, wherein the whole is formed of paper or a composite material using paper , and a pair of opposed portions and both opposed portions are connected to each other.
It is formed of a cylindrical body having a substantially U-shaped cross section having a connecting portion to be connected ,
A cylindrical member has a first component having a substantially U-shaped cross section, a second component having a substantially U-shaped cross section disposed at an interval outside the first component, and side edges of both components. Two chains connecting
A cushioning material for packaging comprising an arcuate portion to be bound. 2. A method according to claim 1, wherein said second component has a cylindrical portion facing said cylindrical portion.
The portion forming the outer wall is recessed and long on the first component side.
2. The package according to claim 1, wherein a concave groove extending in the width direction is formed.
Wearing cushioning material. 3. A connecting part of a cylindrical body in a second component part.
The portion forming the outer wall is recessed and long on the first component side.
3. A groove extending in the vertical direction is formed.
The cushioning material for packaging according to the above. 4. A method according to claim 1, wherein said second component has an opposite portion to said cylindrical member.
The part forming the outer wall and the outside of the connecting part of the cylindrical body
The connecting part with the part that forms the wall has an arc-shaped cross section.
The packaging cushioning material according to claim 1, wherein the packaging cushioning material is used.