JP3003732U - L-shaped corner cushion - Google Patents

Abstract

(57) [Summary] [Purpose] To manufacture L-shaped corner cushions without performing the bonding work. [Structure] L-shaped members 8 and 10 made of corrugated cardboard
The character-shaped member 8 is a plate-shaped member 20 that is continuous and is in surface contact with
18 and the plate-like bodies 24 and 22 which are continuous and are in surface contact with each other are L
It has a letter shape. In the L-shaped member 10, the plate-shaped members 90 and 92 that are continuous and are in surface contact with each other and the plate-shaped members 94 and 96 that are continuous and in surface contact with each other are L-shaped. It is made of cardboard. The plate-like bodies 18 and 92 are in surface contact with each other,
The L-shaped members 8 and 10 are laminated so that the members 22 and 96 are in surface contact with each other. Locking claws 38, 40, 62, 64 are formed on the plate-like bodies 20, 22, and windows are formed on the remaining plate-like bodies so as to correspond to the locking claws 38, 40, 62, 64. Are formed, and locking claws 38, 40, 62, 64 are folded into these windows to lock the L-shaped members 8, 10.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 INDUSTRIAL APPLICABILITY The present invention is used, for example, when a product is housed in a rectangular parallelepiped box and is inserted between the four corners of the carton and the product to prevent damage to the product and to increase the compressive strength of the package. The present invention relates to an L-shaped corner cushion.

[0002]

[Prior art]

 Conventionally, as the above-mentioned L-shaped corner cushion, for example, as disclosed in Japanese Utility Model Publication No. 61-29641, a plurality of strips of paper are folded in two to form an L-shaped member, Some of them were adhered with a thermosetting resin when they were laminated.

Although not L-shaped, there is a corner cushion as disclosed in Japanese Utility Model Laid-Open No. 4-71667. In this, a corrugated cardboard is bent in an inverted U shape, and a separately formed stop member is inserted into the leg portion of the U-shaped portion.

[0004]

[Problems to be solved by the device]

 However, there is a problem in that the former requires a bonding work to manufacture, which makes the manufacturing troublesome. In the latter case, the bonding work is not necessary, but in addition to the inverted U-shaped portion that will be the main body of the corner cushion, the opening prevention member is manufactured separately, and the opening prevention member is attached to the inverted U-shaped portion. There is a problem in that it is troublesome to manufacture, since it is necessary to insert it into the.

An object of the present invention is to provide an L-shaped corner cushion that is easy to manufacture and does not require any bonding work or a separate manufacturing of a stop member.

[0006]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the first invention is to provide a plurality of L-shaped members having at least two substantially rectangular plate-shaped members formed by bending a plate-shaped corrugated cardboard. The plate-shaped members are arranged in surface contact with each other, and at least one plate-shaped member other than the innermost one of the L-shaped members is provided with at least one plate-shaped member. A locking window that penetrates in the thickness direction is formed, and is formed by cutting at a position corresponding to the locking window in each of the plate-shaped bodies of the innermost one of the L-shaped members. The locking claw is bent so that it is in contact with the locking window.

In the second invention, the corrugated cardboard is bent so that two plate-like bodies having a plurality of plate-like bodies which are continuous with each other and are in surface contact with each other are substantially perpendicular to each other. The plurality of L-shaped members formed by bending are arranged in a state where the plate-shaped bodies of the plate-shaped bodies of the adjacent L-shaped members are in surface contact with each other, and the plate-shaped body group of the L-shaped members located at the innermost side. At least one plate-shaped member other than the innermost plate-shaped member is formed with locking windows so that they are located in the same straight line in the thickness direction of each plate-shaped member. The locking claws formed by cutting at the positions corresponding to the respective locking windows in the innermost plate-shaped bodies of the plate-shaped body group of the L-shaped members positioned are respectively provided with the locking windows. It is bent so that it is in contact with.

Further, in the first and second inventions, the locking claw includes a first portion bent so as to be in contact with the locking window, and the first portion integrally formed with the first portion. And a second portion formed to have an L-shape.

[0009]

[Action]

 According to the first aspect of the present invention, a plate-like corrugated board is bent to form a plurality of L-shaped members having at least two plate-like bodies that are substantially perpendicular to each other. The two plate-like members of each of these L-shaped members are brought into surface contact with each other. At least one plate-shaped body of each L-shaped member other than the innermost one is formed with a locking window penetrating in the thickness direction of each plate-shaped body. Locking claws are formed by cutting at positions corresponding to the locking windows in both plate-shaped bodies of the L-shaped member located at the innermost side. The L-shaped members are locked to each other by bending the locking claws into contact with the locking windows.

According to the second aspect of the present invention, the corrugated cardboard is bent to form a plurality of L-shaped members, and these L-shaped members have two plate-shaped members that are substantially perpendicular to each other. ing . These plate-shaped bodies have a plurality of plate-shaped bodies that are continuous with each other and are in surface contact with each other. These L-shaped members are arranged so that the plate-shaped members of the plate-shaped member group of the adjacent L-shaped members are in surface contact with each other. Then, at least one is arranged on each of the plate-shaped bodies other than the innermost plate-shaped body of the plate-shaped body group of the L-shaped member located on the innermost side, and each plate-shaped body is positioned on the same straight line in the thickness direction. A window for locking is formed so that Further, a locking claw is formed by cutting at a position corresponding to each of the locking windows in each of the innermost plate-shaped bodies of the plate-shaped body group of the L-shaped member located on the innermost side. is there. Then, the locking claws are bent so as to be in contact with the locking windows, and the L-shaped members are locked to each other.

[0011]

【Example】

 The L-shaped corner cushion 2 of this embodiment is, for example, as shown in FIG. 3, an article slightly smaller than the box 4 in a box 4 made of corrugated balls, such as a rectangular parallelepiped electronic device such as a copying machine. (Not shown) is housed and placed between the four corners of the electronic device and the four corners of the box 4 so as to be in contact with both, to prevent the electronic device from being damaged during transportation. belongs to. In addition, 6 is a rear cushion.

As shown in FIG. 1A, the L-shaped corner cushion 2 is composed of a plurality of, for example, two L-shaped members 8 and 10. Each of these L-shaped members 8 and 10 is formed by bending a corrugated board formed as shown in FIGS. 2 (a) and 2 (b).

That is, the L-shaped member 8 is formed on a rectangular corrugated cardboard having a horizontal side whose length is substantially equal to the height dimension of the box 4, parallel to the horizontal side and equally spaced along the longitudinal direction. A plurality of bending lines, for example 12, 14, 16 are formed on the plate, and a plurality of, for example, four plate-like bodies 18, 20, 22, 24 are formed along the bending lines 12, 14, 16. It is bent and formed.

The two plate-like bodies 18 and 20 are connected to each other via the bending line 12, and the plate-like bodies 18 and 20 form a plate-like body group 26. The plate-shaped members 22 and 24 are connected to each other through the bending line 16, and the plate-shaped members 22 and 24 form a plate-shaped member group 28. These two plate-like body groups 26 and 28 are connected to each other via the bending line 14.

The plate-like members 18 and 22 are bent along the bending line 14 toward the front surface side of FIG. 2B, so that the plate-like members 18 and 22 are substantially perpendicular to each other. Further, the plate-shaped body 20 is bent to the front side of FIG. 2B along the bending line 12 and is in surface contact with the plate-shaped body 18. Further, the plate-shaped body 24 is bent to the front side in FIG. 2B along the bending line 16 and is in surface contact with the plate-shaped body 22. With this configuration, in the bent state as shown in FIG. 1A, in the L-shaped member 8, the plate-shaped members 20 and 24 are located inside and the plate-shaped members 18 and 22 are located outside. positioned.

In the bent state, at least one, for example, two rectangular windows 30 and 32 are provided in the plate-shaped body 18 located outside, and the thickness of the plate-shaped body 18 is spaced apart in the lateral direction. It is drilled so as to penetrate in the vertical direction. Similarly, in the bent state, the plate-like body 22 located outside is also provided with two rectangular windows 34 and 36 so as to correspond to the windows 30 and 32, respectively. Therefore, in the bent state as shown in FIG. 1A, the windows 30 and 34 are positioned on the same straight line extending in the thickness direction of the plate-like bodies 18 and 22, and the windows 32 and 36 are It is located on another collinear line extending in the thickness direction of the strips 18, 22.

In the folded state, the plate-like body 20 located inside has locking claws 38 and 40 formed at positions corresponding to the windows 30 and 32. The locking claw 38 is formed by making a horizontally-long U-shaped cut 42 in the plate-shaped body 20, and the locking claw 40 is formed in the plate-shaped body 20 in a horizontally-long inverted U-shape. It is formed by forming the notch 44. Therefore, the locking claw 38 can be bent from its left end portion 46, and the locking claw 40 can be bent from its right end portion 48.

Further, the locking claw 38 has a bending line 58 formed at an intermediate portion in the lengthwise direction, and by bending along the bending line 58, the first portion 50 and the second portion 52 are formed. And are formed. Similarly, the locking claw 40 has a fold line 60 formed at an intermediate portion in the lengthwise direction, and by bending along the fold line 60, a first portion 54 and a second portion 56 are formed. ing.

In the bent state, the plate-like body 24 located inside is also provided with locking claws 62 and 64 at positions corresponding to the windows 34 and 36. The locking claws 34, 36 are formed by the notch lines 66, 68 similarly to the locking claws 38, 40, and the locking claw 62 can be bent at the left end portion 68 thereof to be locked. The claw 64 for use is bendable at the right end portion 70. The locking claw 62 has a first portion 76 and a second portion 78 formed by bending at a bending line 72, and the locking claw 64 has a bending line 74 at which it is bent. First portions 80, 82 are formed.

The L-shaped member 10 is a rectangular corrugated board having a horizontal side which is slightly shorter than the corrugated board-shaped body on which the L-shaped member 8 is formed. A plurality of bending lines, for example, 84, 86, 88 are formed at equal intervals along the direction to form a plurality of, for example, four plate-like bodies 90, 92, 94, 96. It is formed by bending along 6, 88.

The two plate-shaped bodies 90 and 92 are connected to each other through a bending line 84, and the plate-shaped bodies 90 and 92 form a plate-shaped body group 98. The plate-shaped members 94 and 96 are connected to each other through a bending line 88, and the plate-shaped members 94 and 96 form a plate-shaped member group 100. These two plate-shaped bodies 98 and 100 are connected to each other via a bending line 86.

The plate-shaped members 90 and 94 are bent toward the front surface side of FIG. 2A along the bending line 86 so that the plate-shaped members 90 and 94 are in a substantially right angle state. Further, the plate-shaped body 92 is bent to the front side of FIG. 2A along the bending line 12 and is in surface contact with the plate-shaped body 90. Further, the plate-shaped body 96 is bent along the bending line 88 to the front side in FIG. 2A, and is brought into surface contact with the plate-shaped body 94. With this configuration, in the bent state as shown in FIG. 1A, in the L-shaped member 10, the plate-shaped bodies 92 and 96 are located inside and the plate-shaped bodies 90 and 94 are located outside. positioned.

In the bent state, at least one, for example, two rectangular windows 102 and 104 are formed in the plate-shaped body 90 located on the outer side, and the thickness of the plate-shaped body 18 is spaced apart in the lateral direction. It is drilled so as to penetrate in the depth direction. The distance between the windows 102 and 104 is equal to the distance between the windows 30 and 32 in the L-shaped member 8.

Similarly, in the bent state, the plate-like body 94 located outside and the plate-like bodies 92 and 96 located inside in the folded state correspond to the windows 102 and 104, respectively. 108, 110, 112, 114 and 116 are formed. Therefore, when the windows 102 and 106 are in the bent state, they are located on the same straight line extending in the thickness direction of the plate-like bodies 90 and 94, and the windows 108 and 109 in the folded state are the plate-like bodies 90 and 94. Is located on another collinear line that extends in the thickness direction of the window, and the windows 110 and 114 are located on the collinear line that extends in the thickness direction of the plate-shaped members 94 and 96 in the bent state. 16 is located on another collinear line extending in the thickness direction of the plate-shaped members 94 and 96 in the bent state. In addition, in FIGS. 2A and 2B, the hatched portions are punched portions.

In the L-shaped members 8 and 10 as described above, the plate-shaped member 18 located outside the L-shaped member 8 makes surface contact with the plate-shaped member 92 located inside the L-shaped member 10. The L-shaped members 8 and 10 are stacked with the plate-shaped member 22 located outside the L-shaped member 8 in surface contact with the plate-shaped member 96 located inside the L-shaped member 10. (See FIG. 1 (b)). This stacking is done so that windows 30, 126, 102 coincide, windows 32, 108, 106 coincide, windows 34, 114, 110 coincide, and windows 36, 112, 116 coincide. There is.

Therefore, the claws 38, 40, 62, 64 for locking are located on the innermost plate-like members 20, 24 in the stacked state, and the other plate-like members 18, 92, Windows 30, 106, 102, 32, 108, 104, 34, 114, 110, 36, 116, 112 are located at 90, 22, 96, 94, respectively. The windows 30, 106, 102 are located on one straight line passing through the locking claws 38 along the thickness direction of the plate-shaped bodies 18, 92, 90, and the windows 32, 108, 104 are It is located on a straight line passing through the locking claw 40 along the thickness direction of the bodies 18, 92, 90. Similarly, the windows 34, 114, 110 are located on a straight line passing through the locking claws 62 along the thickness direction of the plate-like bodies 22, 96, 94, and the windows 36, 116, 112 are plate-like bodies. It is located on a straight line passing through the locking claws 64 along the thickness direction of 22, 96 and 94.

The claw 38 for locking is bent outward at the left end portion 46 thereof, that is, on the side of the windows 30, 106, 102, and as shown in FIG. It is folded downward along the edge and further along the folding line 58. Therefore, the locking claw 38 is L-shaped by the first portion 50 and the second portion 52. The other locking claws 40, 62, 64 are similarly bent.

By bending the locking claws 38, 40, 62, 64 in this manner, the L-shaped members 8 and 10 are locked to each other, and no adhesive is used to lock the two. It is not used and no locking member separate from the L-shaped members 8 and 10 is used. Further, each L-shaped member 8 is composed of two plate-shaped body groups 26 and 28, and has a larger cushioning function than the case where the L-shaped member 8 is composed of only plate-shaped bodies 18 and 22, for example. Become. The same applies to the L-shaped member 10.

In such an L-shaped corner cushion 2, first, as shown in FIGS. 2A and 2B, a corrugated cardboard is cut and punched, and the folding lines 12, 14, 16, 84, 86, 88 and 58 are formed. , 60, 72, 74 and notches 42, 44, 66, 68 are formed. Then, it is bent as shown in FIG. 1A to form L-shaped members 8 and 10.

That is, the corrugated board for the L-shaped member 8 is bent inward along the bending line 14 to make the plate-like bodies 18 and 22 substantially at right angles. Then, the plate-like body 12 is folded inward along the bending line 12, the plate-like bodies 18 and 20 are brought into surface contact with each other, and the plate-like body 24 is folded inside along the bending line 16 to form the plate-like bodies 22 and 24. Make surface contact.

Similarly, the corrugated cardboard for the L-shaped member 10 is bent inward along the bending line 86 so that the plate-like bodies 90 and 94 are substantially at right angles. Then, the plate member 92 is bent inward along the bending line 84, the plate members 90 and 92 are brought into surface contact with each other, and the plate member 96 is bent inward along the bending line 88, and the plate members 94 and 96 are bent. Surface contact.

Then, as shown in FIG. 1B, the plate-shaped body 18 located on the outer side of the L-shaped member 8 comes into surface contact with the plate-shaped body 92 located on the inner surface side of the L-shaped member 10. , The plate-shaped members 22 located outside the L-shaped member 10 are stacked in a state of being in surface contact with the plate-shaped members 96 located on the inner surface side of the L-shaped member 10.

Finally, the locking claws 38, 40, 62, 64 are pushed into the edges of the corresponding windows and bent along the bending lines provided in the middle part to form L-shapes. .

In the above L-shaped corner cushion, the two L-shaped members 8 and 10 are used, but the number can be any number as long as it is 2 or more. Further, in each of the L-shaped members 8 and 10, each plate-shaped body group is composed of two plate-shaped bodies, but the number thereof can be arbitrarily changed. Alternatively, it may be constituted by three or more plate-shaped bodies. Even when the plate-shaped body is composed of three or more plates, as in the above embodiment, the claw for locking the plate-shaped body located on the innermost side of the L-shaped member located on the innermost side is provided. And the window may be formed in another plate. Further, each locking claw is bent into a first portion and a second portion to have an L shape, but the second portion may be removed. Further, two locking claws are provided for each plate-shaped body, but at least one locking claw may be provided.

[0035]

[Effect of device]

 As described above, according to the first aspect of the present invention, since the L-shaped members are coupled by the locking claws and the locking windows provided on the L-shaped members, the bonding is performed. Is unnecessary and there is no need to separately provide a coupling tool, which facilitates manufacturing.

According to the third aspect of the present invention, each L-shaped member is composed of a group of plate-shaped members made up of a plurality of plate-shaped members. Despite being constituted by the plate-shaped body of No. 3, the bonding work is unnecessary and the manufacturing can be further facilitated.

According to the second or fourth aspect of the invention, the locking claw is formed integrally with the first portion bent to be in contact with the locking window and the first portion. Since it has the 2nd part which is made into L shape, it can couple | bond each L-shaped member more firmly.

[Brief description of drawings]

FIG. 1 is a perspective view and a vertical sectional view showing an assembled state of an L-shaped corner cushion according to an embodiment of the present invention.

FIG. 2 is a development view of an L-shaped member of the same embodiment.

FIG. 3 is a perspective view showing a usage state of the embodiment.

[Explanation of symbols]

2 L-shaped corner cushion 8 10 L-shaped member 26 28 98 98 100 Plate group 18 20 22 24 24 90 92 94 96 96 Plate 30 30 32 34 36 102 102 104 106 1
08 110 112 114 116 Locking window 38 40 62 64 64 Locking claw 76 82 First part 68 78 Second part

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Takashi Sugiyama, Inventor Takashi Sugiyama 2-3-3 Azuchicho, Chuo-ku, Osaka-shi, Osaka, Osaka International Building Minolta Camera Co., Ltd.

Claims (4)

[Scope of utility model registration request] 1. A plurality of L-shaped members having at least two substantially rectangular plate-shaped members formed by bending a plate-shaped corrugated board are brought into a state where the two plate-shaped members are in surface contact with each other. At least one plate-shaped body other than the innermost one of the L-shaped members is provided with a locking window penetrating in the thickness direction of each plate-shaped body. The locking claws formed by cutting at the positions corresponding to the locking windows in both plate-shaped members of the innermost one of the L-shaped members are An L-shaped corner cushion that is bent so that it touches the window. 2. The L-shaped corner cushion according to claim 1, wherein the locking claw has a first portion bent to be in contact with the locking window, and the first portion. An L-shaped corner cushion, wherein the L-shaped corner cushion has an L-shaped second portion that is integrally formed. 3. A plurality of L-shapes formed by bending a corrugated cardboard so that two plate-like bodies having a plurality of plate-like bodies that are continuous with each other and are in surface contact with each other are substantially perpendicular to each other. The members are arranged such that the plate-like bodies of the plate-like body group of the adjacent L-shaped members are in surface contact with each other, and the members other than the innermost plate-like body of the plate-like body group of the L-shaped member located at the innermost side At least one plate-shaped body is provided with locking windows so as to be positioned on the same straight line in the thickness direction of each plate-shaped body, and the plate shape of the L-shaped member located at the innermost side. L is formed by bending locking claws formed by cutting at positions corresponding to the locking windows in each of the innermost plate-like bodies of the body group so as to be in contact with the locking windows. Type corner cushion. 4. The L-shaped corner cushion according to claim 3, wherein the locking claw includes a first portion bent to be in contact with the locking window, and the first portion. An L-shaped corner cushion, wherein the L-shaped corner cushion has an L-shaped second portion that is integrally formed.