JP2001002139A - Paper cushion and paper packing box including the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To form by folding and sticking required portions of a single sheet base material and to include sufficient cushioning function by reinforcing fitted portions of a product by right and left rectangular portions, an overlap between a side rest and a reinforcing plate and an internal base wall. SOLUTION: A sheet base material is folded at respective creases in required orientations, and a fixing plate 13 is stuck to a rear surface wall 14, an overlap plate 17 is stuck to an internal placing plate 12, and a reinforcing plate 23 is stuck to a side rest 20 respectively via an adhesive. In addition, the side rest 20, a support plate 22 and the reinforcing plate 23 are folded in required orientations at creases to form a paper cushion A. In addition, right and left rectangular portions 33 surrounded by both right and left ends of a front end wall 11, both right and left ends of a base wall 10, the side rest 20, the support plate 22 and the reinforcing plate are formed, and the rectangular portion 33, an overlap between the side rest 20 and the reinforcing plate 23 and an internal base wall 28 are used to reinforce fitted portions of a product. Thus cushioning function can be largely improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper cushion for protecting a product used for packing electronic application equipment such as a notebook personal computer and a printer, precision equipment and various other products, and a paper cushion for the same. More specifically, the present invention relates to a paper cushion provided by folding and assembling a sheet base made of a paper board material such as cardboard.

[0002]

2. Description of the Related Art A cushion made of urethane foam or styrene foam has been used as a cushion for protecting a product such as a notebook computer packed in a cardboard box. There is a concern that there will be an adverse effect on the product, and there is a trend to limit its use.

[0003] In recent years, various paper cushions have been proposed as alternatives to such cushions by folding and assembling a sheet base made of paper board material such as corrugated cardboard. Since the sheet base material is assembled into a substantially case shape at the manufacturing site and transported to the packing site in the assembled state, there is a problem that costs for storage and transportation increase. In order to reduce these costs, there is a demand for a paper buffer that can be easily assembled at a packing site.

The present invention has been made in view of such a conventional situation, and its object is to form a single sheet base material by bending and sticking a key portion thereof and easily at a packing site. An object of the present invention is to provide a paper buffer which can be assembled and has a sufficient buffer function, and a paper packaging box provided with such a paper buffer.

[0005]

In order to achieve the above object, a first aspect of the present invention is a front edge wall bent from a front end of a bottom wall, an inner bottom plate bent from an upper end of the front edge wall, and a rear wall bent from a top end of the inner bottom plate. Fixed plate, bottom wall, leading edge wall,
A lateral portion having a buffer space surrounded by an inner bottom plate, a rear wall bent from the rear end of the bottom wall, an upper edge wall bent from the upper end of the rear wall, a front wall bent from the top end of the upper edge wall, and a bent front end bent from the lower end of the front wall to form an inner bottom plate. And a vertical portion having a buffer space surrounded by a rear wall, an upper edge wall, and a front wall. The paper buffer is assembled into a substantially L-shaped case, and includes a polymer plate and an inner bottom plate. The inner bottom wall is formed in a heavy plate shape, and cuts on the left and right sides of the inner bottom plate to separate from the inner bottom wall and stand on the left and right sides of the inner bottom wall with a reverse angle opposite to the angle between the inner bottom wall and the front wall Forming a side breathing portion, a portion surrounded by left and right side breathing portions, a front wall, and an inner bottom wall is used as a product fitting portion. Further, left and right sides of the bottom wall are separated from the bottom wall by cuts, and the inverted corner and the diagonal are separated. A support that rises in the middle part of the bottom wall due to the angle Form a reinforcing plate that bends from the upper end of the support plate and is attached to the underside of the side breathing part in a superimposed manner, and the left and right ends of the front edge wall, the left and right ends of the bottom wall, the side breathing part, the left and right sides surrounded by the support plate and the reinforcing plate The gist of the present invention is to form a reinforcing portion for reinforcing the product fitting portion with the square portion, the overlapping portion of the side breathing portion and the reinforcing plate, and the double plate-shaped inner bottom wall.

According to a second aspect of the present invention, a front edge wall bent from the front end of the bottom wall, an inner bottom wall bent from the upper end of the front edge wall, a fixed plate bent from the tip of the inner bottom wall and adhered to the rear wall,
A lateral portion having a buffer space surrounded by a leading edge wall and an inner bottom wall;
A rear wall that bends from the rear end of the bottom wall, an upper edge wall that bends from the upper end of the rear wall, a front wall that bends from the top of the upper edge wall, and a locking plate that bends from the lower end of the front wall and overlaps the inner bottom wall to lock the assembled state of the vertical portion. And a vertical portion having a buffer space surrounded by a rear wall, an upper edge wall, and a front wall. The paper buffer is assembled in a substantially L-shaped case shape. Separate from the bottom wall and form a side breathing part that rises on the left and right sides of the inner bottom wall with a reverse bending angle opposite to the bending angle between the inner bottom wall and the fixing plate, and fit the product surrounded by the left and right side breathing parts, the front wall, and the inner bottom wall The support plate is separated from the bottom wall by a notch on the left and right sides of the bottom wall and rises at an intermediate portion of the bottom wall by a bending angle that is diagonal to the reverse bending angle. Reinforcement plate that can be attached in a polymerized state The product fitting part is formed by the left and right ends of the front edge wall, the left and right ends of the bottom wall, the side breathing part, the left and right rectangular parts surrounded by the support plate and the reinforcing plate, and the overlapping part of the side breathing part and the reinforcing plate. The gist of the invention is to form a reinforcing portion for reinforcing the.

According to the first or second aspect, each of the attached portions such as the rear wall and the fixed plate, the inner bottom plate and the overlapped plate, the side breathing portion and the reinforcing plate, etc., are attached by an adhesive means using an adhesive or the like. Can be exemplified. In addition, the horizontal portion is not necessarily limited to the horizontal portion, and the vertical portion is not necessarily limited to the vertical position. Even if the horizontal portion is positioned vertically and the vertical portion is positioned horizontally, It does not depart from the gist of the invention.

Thus, by forming as described above,
In claim 1, the product fitting portion is reinforced by the left and right side portions, the overlap portion of the side breathing portion and the reinforcing plate, and the inner bottom wall. The product fitting part is reinforced.

According to the first or second aspect of the present invention, each of the folded portions can be bent so that the paper cushion can stand up and down between an assembled state having a buffering function and a substantially flat folded state. ). Here, in the paper buffer according to the first aspect, since the fixing plate is fixed to the rear wall and the overlapped plate is fixed to the inner bottom plate, the paper buffer in a folded (folded) state can be started up. The horizontal and vertical portions are automatically assembled. In the paper shock absorber according to claim 2, since the fixing plate is fixed to the rear wall, when the paper shock absorber in the lying state is started up, the horizontal portion is automatically assembled first, and then the locking portion is engaged. By stacking the boards on the inner bottom wall, the vertical part is assembled.

The paper packing box according to the present invention is provided on the inner bottom of a box body which can be assembled into a box-shaped case shape from an unfolded state by bending a key portion of one sheet base made of a paper board material. (3) The paper buffer of (3) is provided in at least a pair of right and left sides.

The paper box of the present invention has a box body having front, rear, left and right side plates bent from an outer end of a bottom plate, and a lid plate bent from an upper end of any of the side plates. The bottom wall or rear wall is fixed to the bottom plate or the side plate, and when the box body is in the unfolded state, the paper buffer is also in the folded state, and when the side plate is raised, the paper buffer is also raised and assembled. It is formed so that it becomes.

The paper cushion and the box body of the paper packing box according to the present invention are manufactured using a paper board well-known in this technical field as a base material. , Laminated cardboard is used.

[0013]

An embodiment of the present invention will be described below with reference to the drawings. In the examples shown in FIGS. 1 to 9, reference numeral A denotes a paper cushion as an example of claim 3 according to claim 1, and in the examples shown in FIGS. 10 to 16, reference numeral B denotes claim 2. 3 shows a paper cushion as an example. Reference numerals C1 and C2 denote paper packaging boxes as an example of the fourth or fifth aspect, in which the paper cushions A or B are provided in the box body D.

The box body D is formed by cutting a paper board material known in this field, in this example, a laminated cardboard into a required shape.
In addition, it is composed of one sheet base material having a fold line that forms a valley fold or a mountain fold at a predetermined location. The sheet base material is a bottom plate 1
Front and rear left and right side plates 2 and 3 that bend from the outer end of the front plate, a lid plate 4 that bends from the upper end of any side plate 3, a reinforcing surface plate 5 that bends from the left and right ends of the side plate 2, and an outer end of the reinforcing surface plate 5. And a male / female engaging portion 7 and 8 provided on the lid plate 4 and the side plate 3, respectively.

The paper buffer body A or B is also formed by cutting a paper board material known in this field, in this example, a laminated cardboard into a required shape, and forming a fold line that forms a valley fold or a mountain fold at a predetermined position. It consists of one sheet substrate a or b. By bending and sticking key parts of this sheet substrate a or b,
A paper buffer A or B is formed.

First, the paper buffer A will be described. The paper buffer A is made of a sheet base material a shown in FIG.
The sheet substrate a has a front edge wall 11 bent from one outer end of the bottom wall 10 around the bottom wall 10, an inner bottom plate 12 bent from the outer end of the front edge wall 11, and a bent edge from the outer end of the inner bottom plate 12. A fixing plate 13, a rear wall 14 bent from the other outer end of the bottom wall 10, an upper edge wall 15 bent from the outer end of the rear wall 14, and a front wall 16 bent from the outer end of the upper edge wall 15.
Then, the overlapping plates 17 bent from the outer end of the front wall 16 are formed via the folding lines 18 respectively. Side breathing parts 2 separated from the inner bottom plate 12 by notches 19 on both left and right sides of the inner bottom plate 12
0 is formed. A support plate 22 separated from the bottom wall 10 by notches 21 on both left and right sides of the bottom wall 10,
Reinforcing plate 23 that is bent from the upper end and overlaps the lower surface of side breathing part 20
Is formed.

The sheet base material a is bent in a desired direction at each fold line, and the fixing plate 13 is attached to the rear wall 14, the superposed plate 17 is attached to the inner bottom plate 12, and the reinforcing plate 23 is attached to the side breathing portion 20, respectively. And aside breathing part 20, support plate 2
2. The reinforcing plate 23 is bent at a folding line 25 in a required direction to form a paper cushioning material A. The paper cushioning material A is assembled in a substantially L-shaped case shape with a horizontal portion A1 and a vertical portion A2.

The horizontal portion A1 includes a front edge wall 11 bent from the front end of the bottom wall 10, and an inner bottom plate 1 bent from the upper end of the front edge wall 11.
2, a buffer space 26 that is bent from the tip of the inner bottom plate 12 and adhered to the rear wall 14, surrounded by the bottom wall 10, the front edge wall 11, and the inner bottom plate 12.

The vertical portion A2 has a rear wall 14 bent from the rear end of the bottom wall 10, an upper edge wall 15 bent from the upper end of the rear wall 14, a front wall 16 bent from the tip of the upper edge wall 15,
It has a superposed plate 17 which is bent from the lower end of the front wall 16 and adheres to the inner bottom plate 12 in a superposed manner, and a buffer space 27 surrounded by the rear wall 14, the upper edge wall 15, and the front wall 16.

The superposed plate 17 and the inner bottom plate 12 form a double plate-shaped inner bottom wall 28.

On both left and right sides of the inner bottom wall 28, the inner bottom wall 2 is provided.
8, a side break portion 20 that rises on both left and right sides of the inner bottom wall 28 is formed by a reverse bending angle 30 opposite to the bending angle 29 between the inner bottom wall 28 and the front wall 16. Left and right side breathing parts 20, 2
0, the front wall 16, and the portion surrounded by the inner bottom wall 28,
The product fitting part 31 is formed.

On both left and right sides of the bottom wall 10, a support plate 22 is raised at an intermediate portion of the bottom wall 10 by a bending angle 32 which is separated from the bottom wall 10 and forms a diagonal to the reverse bending angle 30.
2 The reinforcing plate 23 bent from the upper end is attached to the lower surface of the side breathing portion 20 in a superimposed manner.

The left and right ends of the front edge wall 11, the left and right ends of the bottom wall 10, the side breathing portion 20, the support plate 22, and the reinforcing plate 2
A left and right rectangular part 33 surrounded by 3 is formed, and the product fitting part 31 is reinforced by the rectangular part 33, the overlapping portion of the side breathing part 20 and the reinforcing plate 23, and the inner bottom wall 28.

Numerals 34 denote folding plates formed by cutting and folding lines on the left and right sides of the front wall 16. The folding plates 34 are folded inward, and the insertion portion 35 at the front end is inserted into an insertion hole 36 formed in the rear wall 14. Be inserted into. Reference numeral 37 denotes folding plates formed by folding lines on both left and right sides of the overlapping plate 17.
Is folded inside the side breathing part 20. Thereby, the assembled state of the horizontal part A1 and the vertical part A2 is maintained.

The paper cushioning material A is formed so that the above-mentioned fold lines can be bent so that the paper cushioning material A is assembled in a cushioning function (shown by a solid line in FIG. 7) and a substantially flat folded state (shown in FIG. 7). (Shown by a virtual line).

Further, the paper cushioning material A is a pair of right and left, and the bottom wall 10 is fixed to the left and right sides of the bottom plate 1 of the box body D with adhesives 40, respectively. The buffer A is also in the folded state (see FIG. 1), and when the side plate 2 is raised, the paper buffer A is also formed to rise in the assembled state (FIGS. 2 to 3).

The paper packaging box C1 according to the present embodiment having the above-described configuration.
Is a substantially flat deployment as shown in Fig. 1 during storage and transportation.
In the folded state, the cost for storage and transportation is reduced. On the other hand, at the product packing site, the paper cushion A is almost automatically assembled with the assembly of the box body D, so that a quick packing operation can be performed. realizable. In addition, the product partially fitted into the product fitting portion 31 is
3, the overlapping portion of the side breathing portion 20 and the reinforcing plate 23, which can be protected by the double bottomed inner bottom wall 28, and has a high buffering function as a packing form corresponding to, for example, an A4 size notebook computer or a notebook type small printer. Demonstrate.

Next, the paper buffer B will be described.
The buffer B has the same basic structure as the above-described paper buffer A, and the same components are denoted by the same reference numerals in the drawings as those described above, and overlapping description will be omitted. Only the differences from the body A will be described below.

The paper buffer B is made of a sheet base material a 'shown in FIG. 10, and does not have the above-mentioned superposed plate 17 at the outer end of the front wall 16; The locking plate 41 for locking the assembled state of the portion A2 is
8 are formed. Also, since it does not include the superposed plate 17,
One inner bottom plate 12 forms an inner bottom wall. The front wall 16
A folding plate 37 is provided on both left and right sides of the side surface of the side breathing part 20 via a folding line 42.

Then, the sheet base material b is bent in a required direction at each folding line, and the fixing plate 13 is attached to the rear wall 14 and the reinforcing plate 23 is attached to the side breathing portion 20 with an adhesive 24, respectively. When the side breathing portion 20, the support plate 22, and the reinforcing plate 23 are bent in a required direction at the fold line 25, and furthermore, the locking plate 41 is bent inward and overlapped on the inner bottom wall (the inner bottom plate 12) to form the paper cushioning material B. Is done.

The vertical portion A2 here is bent from the lower end of the front wall 16 instead of the overlapping plate 17 as described above, and
2 and a locking plate 42 for locking the assembled state of the vertical portion A2.

Thus, the product fitting portion 31 is reinforced by the left and right square portions 33 and the overlapping portion of the side breathing portion 20 and the reinforcing plate 23.

The cushioning material B made of paper is formed so that the above-mentioned fold lines can be bent so that the horizontal part A1 is in a folded state and the vertical part A2 is in an expanded state (FIG. 12).
(B)), a start-up state in which the horizontal part A1 is in an assembled state and the vertical part A2 is in an expanded state (FIG. 12A);
The vertical portion A2 is assembled by bending the required fold line and is brought into an assembled state (FIG. 13) having a predetermined buffer function.
It is formed to be freely deformable.

Further, the cushioning material B made of paper is formed as a set of left and right, and the bottom wall 10 is fixed to the left and right sides of the bottom plate 1 of the box body D with adhesives 40. When the box body D is in the unfolded state, it is made of paper. The buffer B is in the flat state, and when the side plate 2 is raised, the paper buffer B is formed to rise to the raised state (FIG. 16).

The paper packaging box C2 of this example having the above-described configuration is used.
During storage and transportation, since the box body D is in the unfolded state shown in FIG. 1 and the paper buffer B is in the substantially flat state shown in FIG. 12B, the cost for storage and transportation is reduced. You. On the other hand, at the product packing site, as the box body D is assembled, the paper buffer body B is brought up as described above as shown in FIG. 16, and the vertical portion A2 is manually assembled to form a paper having a predetermined buffer function. Since it is assembled to the buffer body B made of
Easy packing work can be realized. Moreover, the product fitting portion 31
Can be protected by the overlapping portions of the left and right rectangular portions 33, the side breathing portions 20 and the reinforcing plate 23, for example, a corresponding packing form of a so-called mobile device such as a portable personal computer or a data communication terminal. As a high buffering function.

As described above, the paper cushions A and B may have the rear wall 14 fixed to the left and right sides of the bottom plate 1 of the box body D, and whichever of the paper cushions A and B is used. The change including the mochi is appropriately selected according to the weight and the strength of the article to be packed. Further, the paper cushions A and B may be used in the box main body D without being attached to the bottom plate 1.

[0037]

Since the present invention is configured as described above, it has the following effects. The paper buffer according to claim 1 is a paper buffer formed by bending and affixing a key portion of one sheet base material, wherein the product fitting portion is reinforced with a left-right shape portion and a side breath portion. Reinforced with the overlapping part of the board, the inner bottom wall
The buffer function can be greatly improved. In addition, by making each folded portion freely bendable, if the folded paper cushion is started up, the horizontal portion and the vertical portion are automatically assembled, and the assembly can be quickly performed at the packing site.

According to a second aspect of the present invention, there is provided a paper buffer formed by bending and attaching important portions of one sheet substrate, wherein the product fitting portion is formed into a left-right shape portion and a side breath. It can be reinforced by the overlapping part of the part and the reinforcing plate, and the buffer function can be improved. In addition, by making each bent portion freely bendable, the horizontal portion is automatically assembled when the folded paper cushion is started up, so that it can be easily assembled at the packing site.

According to the fourth aspect of the present invention, it is possible to provide a paper packaging box provided with the paper buffer having the buffer function. According to the fifth aspect, it is possible to provide a paper packaging box in which the paper buffer can be quickly and easily assembled as described above with the assembly of the box body.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an expanded state of a box main body and a folded state of a paper buffer.

FIG. 2 is a perspective view showing a state in which the box body and the paper buffer are being assembled.

FIG. 3 is a perspective view showing a state in which the box body and the paper buffer are being assembled.

FIG. 4 is a perspective view of a sheet base material of a paper buffer.

FIG. 5 is a view in the middle of producing a paper buffer using the sheet substrate.

FIG. 6 is a view in the middle of producing a paper buffer using the sheet substrate.

FIG. 7 is a perspective view of an assembled state of a paper buffer.

FIG. 8 is an enlarged sectional view taken along line (X)-(X) in FIG. 7;

FIG. 9 is a sectional view taken along lines (Y)-(Y) in FIG. 8;

FIG. 10 is a perspective view of a sheet base material of a paper buffer.

FIG. 11 is a view in the middle of manufacturing a paper buffer using the sheet base.

12A is a diagram illustrating a rising state of a paper buffer, and FIG. 12B is a diagram illustrating a substantially flat state.

FIG. 13 is an assembled state diagram of a paper buffer.

FIG. 14 is an enlarged sectional view taken along line (Z)-(Z) in FIG. 13;

FIG. 15 is a sectional view taken along lines (W)-(W) in FIG. 14;

FIG. 16 is a perspective view showing a state in which the box body and the paper buffer are being assembled.

[Explanation of symbols]

 A, B: paper buffer a, a ': sheet base material 10: bottom wall 11: front edge wall 12: inner bottom plate 13: fixed plate 14: rear wall 15: upper edge wall 16: front wall 17: overlapping plate 20: side breathing part 22: support plate 23: reinforcing plate 41: locking plate C1, C2: paper packing box D: box body

Claims (5)

[Claims] 1. A lateral portion formed by a bottom wall, a front edge wall, and an inner bottom plate, and a rear wall, an upper edge wall, and a single sheet substrate made of a paper board material are bent and attached at important points. A paper buffer assembled into a substantially L-shaped case shape having a vertical portion formed by a front wall, wherein the horizontal portion has a front edge wall bent from a front end of a bottom wall, and an inner bottom plate bent from an upper end of the front edge wall. A fixed plate bent from the end of the inner bottom plate and attached to the rear wall; and a buffer space surrounded by the bottom wall, the front edge wall, and the inner bottom plate. The vertical portion is a rear wall bent from the rear end of the bottom wall, and a top end of the rear wall. It has an upper edge wall that bends from the upper edge wall, a front wall that bends from the top edge of the upper edge wall, a polymerization plate that bends from the lower end of the front wall and sticks to the inner bottom plate, and a buffer space surrounded by the rear wall, the upper edge wall, and the front wall. In addition, when the inner bottom wall of the double plate is formed by the superposed plate and the inner bottom plate, The left and right sides of the inner bottom plate are formed by notches on the left and right sides of the inner bottom plate to separate from the inner bottom wall and rise up on the left and right sides of the inner bottom wall with a reverse bending angle opposite to the bending angle between the inner bottom wall and the front wall. The part enclosed by the front wall and the inner bottom wall is a product fitting part.Furthermore, the left and right sides of the bottom wall are cut off to separate them from the bottom wall and form a diagonal to the reverse bending angle at the middle part of the bottom wall. Form a support plate that rises and a reinforcing plate that bends from the upper end of the support plate and adheres to the lower surface of the side breathing part in a superimposed manner, and is surrounded by the left and right ends of the front edge wall, the left and right ends of the bottom wall, the side breathing part, the support plate, and the reinforcing plate A paper buffer body in which the product fitting portion is reinforced by the left and right rectangular portions, the overlap portion of the side breathing portion and the reinforcing plate, and the inner bottom wall of the double plate shape. 2. A horizontal portion formed by a bottom wall, a front edge wall, and an inner bottom wall, and a rear wall and an upper edge wall by bending and attaching important portions of one sheet substrate made of a paper plate material. A paper cushion assembled in a substantially L-shaped case shape having a vertical portion formed by a front wall, wherein a lateral portion has a front edge wall bent from a front end of a bottom wall and an inner bottom bent from an upper end of the front edge wall. It has a wall, a fixed plate bent from the tip of the inner bottom wall and attached to the rear wall, and a buffer space surrounded by the bottom wall, the front edge wall, and the inner bottom wall, and the vertical portion has a rear wall bent from the rear end of the bottom wall. An upper edge wall bent from the upper end of the rear wall, a front wall bent from the upper end of the upper edge wall, a locking plate bent from the lower end of the front wall and overlapping the inner bottom wall to lock the assembled state of the vertical portion; It has a buffer space surrounded by an edge wall and a front wall. , Forming a side breathing part that rises on the left and right sides of the inner bottom wall by a reverse bending angle opposite to the bending angle between the inner bottom wall and the inner bottom wall and the fixing plate, and a part surrounded by the left and right side breathing parts, the front wall, and the inner bottom wall. A support plate that is separated from the bottom wall by a cut in the left and right sides of the bottom wall and rises at an intermediate portion of the bottom wall at a bending angle that is opposite to the reverse bending angle; Reinforcement plates are formed on the lower surface, which are attached to each other at the left and right ends of the front edge wall, the left and right ends of the bottom wall, side breathing portions, left and right rectangular portions surrounded by support plates and reinforcing plates, and side breathing portions. A paper buffer body in which the product fitting part is reinforced with the overlapping part of the board. 3. The paper buffer according to claim 1, wherein each of the bent portions is freely bendable so as to be freely bent between an assembled state having a buffer function and a substantially flat folded state. 4. The paper cushion according to claim 3, wherein a key portion of one sheet base made of a paper board is bent and assembled into a box-shaped case shape from an expanded state. At least in a pair of right and left. 5. The box body has front, rear, left and right side plates bent from the outer end of the bottom plate, and a lid plate bent from the upper end of one of the side plates, and the paper buffer has a bottom wall or a rear wall thereof. The paper cushion is fixed to the bottom plate or the side plate, and when the box body is in the unfolded state, the paper cushion is in a folded state, and when the side plate is raised, the paper cushion is also raised in the assembled state. Paper box.