JP2000103461A - Corner pad - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make manufacture possible simply and inexpensively with a corrugated board folded down and at the same time to improve cushioning effect for articles to be packaged. SOLUTION: While first incisions 5 are cut at a corrugated board base 4, a first side face part 7 is turned up and superposed on a second side face part 8, a section between the first incisions 5 and a longitudinal side 2a on one side at the first side face part 7 is turned up at the innermost ends of the first incisions 5, a first superposed face is folded upward, a third side face part is turned up and superposed on a remaining section of the second side face part 8, second superposed faces 8a are folded upward, a remaining section of the second side face part 8 and the third side face parts are turned up so as to be erected on a third crease 9c positioned below the longitudinal side 2a on one side at the first side face part 7, and first superposed faces 7a are superposed on the second superposed faces 8a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a corner pad which is mounted on a corner portion of an article to be packed and is packed, and which protects the article to be packaged by cushioning vibrations during transportation of the article to be packaged.

[0002]

2. Description of the Related Art Conventionally, as a corner pad, styrene foam, cardboard made of styrene foam adhered,
A material formed by stacking cardboard or a material formed by bending cardboard is used. In each of these corner pads, a buffer portion is formed which comes into contact with the corner portions on the upper and lower surfaces or both side surfaces of the article to be packaged. The cushioning section protects the packaged object by damping vibrations during transportation of the packaged item. In addition, when the corner pad is used by being attached to a vertical corner portion of the packaged object, the buffer portion comes into contact with the upper and lower surfaces of the packaged item, so that the lower buffer portion can support the weight of the packaged item, particularly. A robust structure is desirable.

[0003]

However, in the above-mentioned conventional corner pad, the material cost and the manufacturing cost are high in the case of using styrofoam or laminating cardboard, and the cardboard is bent. In such a case, there is a problem that the buffer portion cannot support the weight of the packaged object or the buffering effect is low.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a corner pad which can be easily manufactured at low cost by bending a corrugated cardboard and has an improved buffering effect on a packaged object. It is in.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, a longitudinal axis of a long hollow portion arranged in parallel in a corrugated cardboard is defined as a hollow shaft 1, and this hollow shaft is formed. 1 is a corner pad formed by bending a substantially rectangular plate-shaped cardboard substrate 4 having a vertical side 2 parallel to 1 and a horizontal side 3 perpendicular to the hollow shaft 1, and one side of the cardboard substrate 4. A first cut 5 is made along the hollow shaft 1 on one vertical side 2a side of the side 3a, and a first fold from the deep end of the first cut 5 to the other horizontal side 3b along the hollow shaft 1 9
a, the first side 5a side of the first cut 5 and the first fold 9a in the corrugated cardboard substrate 4 is defined as a first side surface portion 7, and the remaining portion of the corrugated cardboard substrate 4 excluding the first side surface portion 7 is formed. A second side portion 8 is formed, and the first side portion 7 is folded upward to overlap the second side portion 8, and a portion between the first cut 5 and the one vertical side 2a in the first side portion 7 is formed. Is folded upward from the back end of the first cut 5, the tip side is formed as a first overlapping surface portion 7a and the root side is formed as a buffer surface portion 7b from half of the folded portion, and the first overlapping surface is bent upward. A second cut 6 is made in the second side surface portion 8 along the side 3 from the other vertical side 2b, and a first break is made in the second side surface 8 along the side 3 from the back end of the second cut 6 5, a second fold 9b leading to the second fold 9 and a second fold 9 One horizontal side 3a side third side face portion 10 ungated from 9b, are polymerized to the remainder of the second side portion 8 is folded the third side surface portion 10 upward, the third side surface portion 10
A portion between the back end of the second cut 6 and the one side 3a is formed as a second overlapped surface portion 8a, the second overlapped surface portion 8a is bent upward, and the remaining portion of the second side surface portion 8 and the second The third side surface portion 10 is bent in a standing state from the third fold 9c located below the one vertical side 2a of the first side surface portion 7, and the first overlapped surface portion 7a and the second overlapped surface portion 8a are overlapped. The feature is constituted.

In such a corner pad, of the two side surfaces of the vertical corner portion of the article to be packaged, the inner surface of the first side surface portion 7 which is double overlapped on one surface is brought into contact, and the second side surface portion 8 is brought into contact with the other surface. Is mounted on the horizontal corner portion of the packaged object by contacting the inner surface of the cushioning surface portion 7b with the upper and lower surfaces of the packaged object at the upper and lower ends of the vertical corner portion. Since the buffer surface portion 7b is firmly supported by the first and second overlapped surface portions 8a that are doubled, the remaining portion of the second side portion 8 that is doubled, and the third side portion 10, Buffer surface 7b depending on the packaged object
Even if a large force is applied in the direction of pressing the
Is not collapsed, and the holding state of the packaged object is maintained. In addition, the first and second superposed surface portions 8a that are doubled,
Remaining portion of second side portion 8 and third side portion 1 overlapped doubly
0 has the hollow shaft 1 in the direction of supporting the cushioning surface portion 7b, so that the compressive strength is improved and the cushioning surface portion 7b is more firmly supported.

According to a second aspect of the present invention, in the first aspect, the length of the first cut 5 is substantially twice as long as the vertical width of the third side surface portion 10 and the second cut 6 Is approximately the same size as the lateral width of the first side surface portion 7, and the length of the lateral side 3 of the cardboard base material 4 is three times the lateral width of the first side surface portion 7 to make the vertical width of the second side surface portion 8. It is characterized by being approximately the same size as the added length.

In such a corner pad, since the length of the first cut 5 is substantially twice as long as the vertical width of the third side portion 10, the third side portion 10 is folded upward to form the second side portion 8. When the other side is superimposed, one side 3a of the third side surface portion 10 can support the buffer surface portion 7b by contacting the outer surface, and the length of the second cut 6 is equal to the width of the first side surface portion 7. Because they are approximately the same size, the first and second overlapped surface portions 8a have substantially the same shape,
The buffer surface portion 7b can be supported by the first and second overlapped surface portions 8a that are doubled, and the length of the lateral side 3 of the cardboard base material 4 becomes three times the lateral width of the first side surface portion 7. Since the width of the buffer surface portion 7b is substantially the same as the length obtained by adding the vertical width of the portion 8, the width of the buffer surface portion 7b is substantially the same as the width of the opening of the third side surface portion 10 bent in a U-shape. Surface portion 7a and second overlapping surface portion 8a
And can be polymerized exactly.

The invention according to claim 3 is characterized in that, in the invention according to claims 1 and 2, the cushioning surface portions 7b are provided at both ends of the cardboard substrate 4.

In such a corner pad, an object to be packaged having a length substantially equal to the distance between the two buffer surfaces 7b can be mounted and protected between the two buffer surfaces 7b.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A corner pad according to an embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 is a developed view showing a corner pad according to an embodiment of the present invention. FIG. 2 is a perspective view showing the corner pad according to the first embodiment.

As shown in FIGS. 1 and 2, this corner pad has a hollow shaft 1 extending in the longitudinal direction of a long hollow portion juxtaposed inside a corrugated cardboard, and a vertical side 2 parallel to the hollow shaft 1. It is formed by bending a substantially rectangular plate-shaped cardboard base material 4 having a hollow shaft 1 and a horizontal side 3 perpendicular to the hollow shaft 1. Then, a first cut 5 is made along the hollow shaft 1 on the one vertical side 2a side of the one horizontal side 3a of the corrugated cardboard base material 4 and along the hollow shaft 1 from the back end of the first cut 5 A first fold 9a reaching the other lateral side 3b is provided, and one vertical side 2a side from the first cut 5 and the first fold 9a in the cardboard base material 4 is defined as a first side surface portion 7, and the cardboard base material 4 is a second side portion 8 except for the first side portion 7.
Then, the first side portion 7 is folded upward to overlap the second side portion 8, and the first cut 5 in the first side portion 7 is formed.
And a portion between the first vertical side 2a and the first cut 5 is folded upward from the back end, a half of this folded portion is formed as a first overlapped surface portion 7a, and a root portion is formed as a buffer surface portion 7b. The first overlapped surface is bent upward, and the second side surface portion 8 is bent.
A second cut 6 is made from the other vertical side 2b along the horizontal side 3 to the second side 6 extending from the back end of the second cut 6 to the first cut 5 along the horizontal side 3 in the second side surface portion 8. Is provided with a fold 9b,
One side 3a side from the second cut 6 and the second fold 9b in the second side surface portion 8 forms a third side surface portion 10, and the third side surface portion 10 is folded upward to form the second side surface portion 8 The remaining portion is superimposed, and a portion between the rear end of the second cut 6 on the third side surface portion 10 and one side 3a is formed as a second superposed surface portion 8a, and the second superposed surface portion 8a is directed upward. The third fold 9c is formed by bending the remaining portion of the second side portion 8 and the third side portion 10 below one vertical side 2a of the first side portion 7.
The first overlapped surface portion 7a and the second overlapped surface portion 8a are overlapped so as to be bent upright.

The length of the first cut 5 is substantially twice as long as the vertical width of the third side surface portion 10, and the length of the second cut 6 is approximately the same as the width of the first side surface portion 7. In addition, the length of the lateral side 3 of the cardboard base material 4 is formed to be substantially the same as the length obtained by adding the vertical width of the second side surface 8 to three times the lateral width of the first side surface 7.

The cushioning surface portion 7b is formed of a cardboard base material 4
Are provided at both ends.

As the articles to be packaged, those having various shapes and sizes can be considered. For example, rectangular parallelepiped heavy objects such as refrigerators and cabinets are preferably used. The two side joints of this rectangular parallelepiped packaged material are defined as vertical corners,
The joints between the upper surface and the side surfaces and the side surface and the lower surface are defined as upper horizontal corner portions and lower corner portions, respectively. In this case, the corner pads are mounted and used at all four vertical corners. However, the present invention is not limited to this, and the present invention can be applied to all horizontal corners and vertical corners.

The corrugated cardboard is generally formed of corrugated central paper, and paper on both sides adhered and fixed to the valleys of the central paper from both outer surfaces. Then, a long hollow portion is provided between the central paper and the both-side surface paper. The longitudinal direction of the hollow portion is called a hollow shaft 1. Cardboard is hollow shaft 1
The compression strength is strong in the direction, and the compression strength is weak in the direction perpendicular to the hollow shaft 1. Using such cardboard as a material, a substantially rectangular plate-shaped cardboard substrate 4 having a vertical side 2 parallel to the hollow shaft 1 and a horizontal side 3 perpendicular to the hollow shaft 1 is formed. In this case, the cardboard substrate 4 is formed in a substantially rectangular shape in which the vertical side 2 is longer than the horizontal side 3. The double polymerized portion is fixed by bonding, stitching, or the like. The article to be packaged is stored in an outer box in a state where such a corner pad is attached to a vertical corner portion, and is packed by wrapping a PP band around the outer box.

In such a corner pad, of the two side surfaces of the vertical corner portion of the article to be packaged, the inner surface of the first side surface portion 7 that is doubly overlapped on one surface is brought into contact, and the other side surface is the second side surface portion 8. Is mounted on the horizontal corner portion of the packaged object by contacting the inner surface of the cushioning surface portion 7b with the upper and lower surfaces of the packaged object at the upper and lower ends of the vertical corner portion. Since the buffer surface portion 7b is firmly supported by the first and second overlapped surface portions 8a that are doubled, the remaining portion of the second side portion 8 that is doubled, and the third side portion 10, Buffer surface 7b depending on the packaged object
Even if a large force is applied in the direction of pressing the
Is not collapsed, and the holding state of the packaged object is maintained. In addition, the first and second superposed surface portions 8a that are doubled,
Remaining portion of second side portion 8 and third side portion 1 overlapped doubly
0 has the hollow shaft 1 in the direction of supporting the cushioning surface portion 7b, so that the compressive strength is improved and the cushioning surface portion 7b is more firmly supported.

Therefore, it is possible to form a corner pad which can be easily and inexpensively formed by bending a cardboard box and which has an improved buffering effect on a packaged object.

Further, since the length of the first cut 5 is substantially twice as long as the vertical width of the third side surface portion 10, the third side surface portion 10 is folded upward and overlapped with the remaining portion of the second side surface portion 8. When
One side 3a of the third side portion 10 can support the buffering surface portion 7b by contacting the outer surface, and the length of the second cut 6 is substantially the same as the width of the first side portion 7, so that the first And the second overlapping surface portion 8a has substantially the same shape, the buffering surface portion 7b can be supported by the first and second overlapping surface portions 8a that are doubled, and the length of the lateral side 3 of the cardboard base material 4 Is the width of the first side part 7
Since the length is approximately the same as the length obtained by adding the vertical width of the second side portion 8 twice, the width of the buffer surface portion 7b is substantially the same as the width of the opening of the third side portion 10 bent in a U-shape. The first superposed surface portion 7a and the second superposed surface portion 8a can be polymerized exactly.

The packaged object having a length substantially equal to the distance between the two buffer surfaces 7b can be protected by being mounted between the two buffer surfaces 7b.

[0022]

According to the first aspect of the present invention, of the two side surfaces of the vertical corner portion of the article to be packaged, the inner surface of the first side surface portion, which is doubly overlapped on one surface, is brought into contact, and the other surface is the second side surface. The package is mounted on the horizontal corners of the packaged object by contacting the inner surface of the cushioning surface portion with the inner surface of the package at the upper and lower ends of the vertical corners. Since the buffer surface portion is firmly supported by the first and second overlapped surface portions that are doubled, the remaining portion of the second side portion that is doubled, and the third side portion, Even if a large force is applied in the direction of pressing the cushioning surface, the cushioning surface is not collapsed, and the held state of the packaged object is maintained. In addition, the first and second overlapped surface portions that are doubly overlapped, the remaining portion and the third side portion of the doubly overlapped second side portion have a hollow shaft in a direction that supports the buffer surface portion. As a result, the compressive strength is improved, and the cushioning surface is more firmly supported. Therefore, it is possible to form a corner pad that can be easily and inexpensively formed by bending a cardboard box and that has an improved buffering effect on a packaged object.

According to the second aspect of the present invention, since the length of the first cut is substantially twice the vertical width of the third side portion, the third side portion is folded upward to form the second side portion. When superimposed on the remaining portion, one side of the third side surface portion can support the buffer surface portion by contacting the outer surface, and the length of the second cut is approximately the same as the width of the first side surface portion. The first and second overlapped surface portions have substantially the same shape, the buffer surface portion can be supported by the first and second overlapped overlapped surface portions, and the length of the lateral side of the corrugated cardboard substrate is The width of the buffer surface is approximately the same as the length obtained by adding the vertical width of the second side to three times the width of the one side, so that the width of the cushioning surface is substantially equal to the width of the opening of the third side that is bent in a U-shape. As a result, the first and second superposed surfaces can be polymerized exactly.

Further, according to the third aspect of the present invention, it is possible to protect a packaged object having a length substantially equal to the distance between the two buffering surfaces by mounting the packaged product between the two buffering surfaces.

[Brief description of the drawings]

FIG. 1 is a development view showing a corner pad according to an embodiment of the present invention.

FIG. 2 is a perspective view showing the corner pad according to the first embodiment;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Hollow shaft 2 Vertical side 2a One vertical side 2b The other vertical side 3 Horizontal side 3a One horizontal side 3b The other horizontal side 4 Corrugated cardboard base material 5 First cut 6 Second cut 7 First side surface 7a First One overlapping surface portion 7b Buffering surface portion 8 Second side surface portion 8a Second overlapping surface portion 9 Fold 9a First fold 9b Second fold 9c Third fold 10 Third side portion

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3E060 AA01 BC02 BC04 CC12 CC17 CC18 CC19 CC43 3E066 AA03 BA06 CA04 DA04 FA06 FA13 HA01 JA01 KA08 MA01

Claims (3)

[Claims] 1. A substantially rectangular plate having a longitudinal axis parallel to the inside of a corrugated cardboard and having a longitudinal side parallel to the hollow axis and a lateral side perpendicular to the hollow axis. A corner pad formed by bending a cardboard base material,
A first cut is made along the hollow shaft on one vertical side of one of the horizontal sides of the corrugated cardboard substrate, and a first cut extending from the deep end of the first cut to the other horizontal side along the hollow shaft. A fold is provided, and one vertical side from the first cut and the first fold in the cardboard base material is a first side surface portion, and the remaining portion excluding the first side surface portion in the cardboard base material is a second side surface portion, This first side portion is folded upward to overlap the second side portion, and the portion between the first cut and one vertical side in the first side portion is folded upward from the back end of the first cut, From the half of the folded back part, the tip side is the first overlapped surface part, the root side is the buffer surface part, this first overlapped surface is bent upward, and the second side surface part is along the side from the other vertical side to the side. Make a second cut, and along the side from the back end of the second cut to the second side A second fold leading to one cut is provided, one side of the second side cut from the second cut and the second fold is a third side, and the third side is folded upward. The remaining portion of the second side portion is superimposed, and a portion between the second cut deep end and one lateral side of the third side portion is defined as a second superposed surface portion, and the second superposed surface portion is directed upward. Folding, the remaining portion of the second side portion and the third side portion are bent upright from the third fold located below one vertical side of the first side portion, the first overlapped surface portion and the second overlapped surface portion A corner pad characterized by being polymerized. 2. The length of the first cut is substantially twice the vertical width of the third side surface, and the length of the second cut is approximately the same as the width of the first side surface. 2. The corner pad according to claim 1, wherein the length of the lateral side of the material is substantially the same as the length obtained by adding the vertical width of the second side surface to three times the width of the first side surface. 3. The corner pad according to claim 1, wherein the cushioning surfaces are provided at both ends of the cardboard base material.