JP3401422B2 - Cushioning material - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cushioning member for protecting a package used when an article sensitive to an impact force such as a notebook type personal computer or a printer is housed in an outer box and packed. .

[0002]

2. Description of the Related Art Conventionally, a resin cushioning member made of urethane foam, styrofoam, or the like has been used to protect a packaged item stored in an outer box from a drop impact or the like. While these resin cushioning members are excellent in cushioning impact force,
There is concern that the treatment after use may have an adverse effect on the environment, and it is difficult to recycle, so use is likely to be restricted.

In recent years, as a substitute for a resin cushioning member, a part of a package is fitted by bending a key portion of a sheet material made of corrugated cardboard or cardboard and adhering the key portion as necessary. In order to form a buffer space around the fitting recess and to form a buffer space around the fitting recess, various paper buffer members that are assembled in a box shape having an inner-outer double wall structure have been proposed. This seed paper cushioning member solves the above-mentioned problems of the resin cushioning member, and press-molds waste paper into a pulp mold, corrugated cardboard or waste paper wound in multiple layers or in a laminated form, and forms the L-shaped or V-shaped cross section. It is widely used as a convenient cushioning member that can solve the problems of manufacturing cost of molded angle materials, corner materials, etc. and that it is not suitable for packing precision equipment due to paper dust. ing.

[0004]

By the way, the above-mentioned resin cushioning member or paper cushioning member is provided with a fitting recess in one surface portion, and is formed so that a part of the package is fitted into the recess. For example, the package is prepared so as to be mounted on both left and right sides or both upper and lower sides of the package, and the package is stored in a cosmetic box in a state of being sandwiched from the left and right or the upper and lower sides to obtain a predetermined cushioning function. That is, since the conventional cushioning members are handled as a set of at least left and right or upper and lower, and are attached to the package one by one, management at the packing site and mounting work on the package are troublesome. Therefore, there was room for improvement in this respect. Also, when the conventional cushioning member is mounted on both left and right sides of a package, for example, both the upper and lower sides of the package are exposed, and the exposed portion is usually filled with another cushioning material such as rolled paper. .

The present invention has been made in view of such conventional circumstances, and an object of the present invention is to provide a novel cushioning member capable of protecting three sides of a package, such as upper, lower, left and right sides. is there. Another object of the present invention is to reduce the storage space of the cushioning member and to facilitate disposal.

[0006]

In order to achieve the above-mentioned object, the cushioning member of the present invention is provided with cushioning bodies on both left and right sides of a raised portion on which a packaged article is placed. The bumper is provided with a concave portion that fits into a side portion of the package placed on the raised portion, and a buffer portion that surrounds the concave portion. The basic structure is that the protrusions are erected so as to fit on the sides of the package placed on the section.

According to the above-mentioned means, the buffer bodies are arranged so as to be undulated on both the left and right sides of the package placed on the raised portion, and these buffer bodies are raised to fit the recesses into the left and right side portions of the package. By doing so, the left and right shock absorbers are attached to the left and right sides of the package,
Moreover, the raised portion covers the lower surface or the upper surface portion of the package. Therefore, the left and right shock absorbers and the raised portion can protect the upper, lower, left, and right sides of the package to exert a predetermined shock absorbing function. The left and right shock absorbers are connected via a raised portion, and are always in a pair of left and right states.

[0008] The cushioning member is a cushion of right and left raised portions formed on respective separate can also be configured as obtained by integrating by appropriate joining means such as adhesive, in the present invention, labor Ya manufacturing Considering durability, etc. , the bump and the left and right shock absorbers are integrated . The raised portions and the left and right cushion is a paper plate, etc.
Using a sheet material, bend the key points of the sheet material and
By adhering important points, it is shaped so as to form a predetermined three-dimensional shape.
And the left and right shock absorbers are buffer spaces that surround the recess.
Box-shaped (hollow
Body).

[0009] In addition the present invention, thereby forming the ridge in the central portion of the one sheet material, bending the key points of the left and right portions of said sheet material contoured freely continuously via fold line to the central portion Te, to assemble the cushion.
This makes it possible to assemble the left and right shock absorbers only when necessary (when in use) to obtain the desired shock absorbing function, fold them for storage and transportation to save space, and to facilitate disposal after use. You can also tighten it. Then the invention
According to the first aspect of the present invention, the smell in which the shock absorber is thus assembled
Te, upper formed communicating設状through fold lines to right and left end portions of the sheet material, the front, the wall portion of the left and right sides or the like bent in a required direction, the buffer space around recess and having said recesses It is characterized in that it is assembled into a box-like structure having an inner-outer double wall structure so as to be formed.

Further, the raised portion formed in the central portion of the sheet material is a rising surface of the package mounting surface so that a buffer space is formed on the back side of the upper surface of the protrusion which becomes the package mounting surface. It is preferable that the structure is supported. In this case, there is a buffer space below the package placed on the raised portion, and in combination with the buffer functions of the left and right buffers, a more reliable buffer function and package protection function are exhibited. Like

[0011] cushioning member according to claim 1 of the present invention, it is also possible to form a sheet material made of a desired synthetic resin material such as cardboard plastic, further 請
If it is formed of a paper board such as a corrugated board or a cardboard as in the second aspect, it has an excellent cushioning function which can be replaced by a resin cushioning member, and can be easily disposed of after use. In the present invention, the paper board is not limited to one made of wood or pulp as a raw material, and includes a paper board made of a plant fiber such as kenaf paper.

[0012]

DETAILED DESCRIPTION OF THE INVENTION An example of an embodiment of the present invention will be described below with reference to FIGS. In this example, a raised portion a is formed at the central portion of one sheet material 1, and a buffer b is formed at the central portion on the left and right portions that are undulating continuously through a fold line 16. a is formed by supporting the mounting surface 13 by the rising surfaces 11 and 14 so that the buffer space 15 is formed on the back side of the upper surface portion that becomes the mounting surface 13 of the package, and the left and right buffer bodies b are sheets. By bending the right and left portions of the material 1 to have concave portions 2 that fit into the right and left side portions of the package placed on the raised portion a, a buffer space 3 as a buffer portion is formed around the concave portions 2. In order to do so, the cushioning member A assembled in the shape of a box having an inner-outer double wall structure is shown.

As shown in FIG. 3, the sheet material 1 comprises a rectangular sheet base material 1a, a raised base material 1b, and left and right side wall surface base materials 1c. Each of the base materials 1a to 1c. , A cardboard or a cardboard, for example, if the cost of using the cardboard is taken into consideration, the sheet base material 1a is die-cut from one paper board, and the ridge base material 1b and a total of four side wall surfaces are used. It is preferable that the substrate 1c is formed by stamping from a sheet of paper board.

An opening 12 is formed in the central portion of the sheet base material 1a (the central portion of the sheet material 1), leaving the rising surfaces 11 on the left and right side edges thereof. The base material 1b for the raised portion is the mounting surface 1
3 and a rising surface 14 that is continuously provided so as to be bent downward from the right and left edges of the mounting surface 13.
The lower end portion 14a of No. 4 is attached to the upper and lower edges of the opening 12, and the upper end portion 11a of the rising surface 11 is attached to the edge portion of the mounting surface 13. Is supported above the opening 12 to form a raised portion a. A buffer space 15 is formed on the back side of the mounting surface 13.

A rear wall surface 17 is continuously provided on the left and right sides of the sheet base material 1a via a folding line 16 at the central portion, and an upper wall surface 19 is provided at an end of the rear wall surface 17 via a folding line 18.
Are continuously provided, and a front wall surface 21 is continuously provided at an end portion of the upper wall surface 19 via a folding line 20.
19 and 21 are the left and right portions of the sheet material 1. Then, the rear wall surface 17, the upper wall surface 19, and the front wall surface 21 are bent inward along the folding lines 16, 18, and 20, respectively, to form a substantially U-shaped square tube, and the square tube forms the cushioning body a. Come to do.

Further, the front wall surface 21 has a central portion L inward with wall surface portions 21a and 21b left on the upper and left and right side portions thereof.
A folding line 22 and a cutting line 23 are provided so as to be bent into a mold, and an inner upper wall face 24 that faces the upper wall face 19 in the assembled buffer a and an inner rear wall face that faces the rear wall face 17. 25, and the upper wall surface 24 inside them
The concave portion 2 is formed in a portion surrounded by the rear wall surface 25,
Further, gaps are formed between the rear wall surface 17 and the inner rear wall surface 25, between the upper wall surface 19 and the inner upper wall surface 24, and between the front wall surface 21 and the rear wall surface 17, respectively. become.

The rear wall surface 17 is provided with an opening 26 in the left and right sides and in the center, leaving wall surface portions 17a and 17b. The uncut surface 27 of the opening 26 is bent inward and bent into an L-shape. The reinforcing body 4 is formed.

The base material 1c for the left and right side wall surfaces is the rear wall surface 1 described above.
7, the overlapping surface portions 30 attached to the left and right wall surface portions 17a
A reinforcing surface portion 32 continuous with one side edge of the overlapping surface portion 30 via a folding line 31; a side wall surface portion 34 continuously connecting with the other side edge of the overlapping surface portion 30 via a folding line 33; A front reinforcing surface portion 36 that is connected to the end portion of the surface portion 34 via a folding line 35, an inner reinforcing surface portion 38 that is connected to the end portion of the reinforcing surface portion 36 via a folding line 37, and an end of the reinforcing surface portion 38. The rear side reinforcing surface portion 40 is provided so as to be connected to the portion via a fold line 39.

Then, the overlapping surface portion 30 is replaced with the wall surface portion 17a.
And the side wall surface portion 34 is projected to the side of the rear wall surface 17, and the side wall surface portion 34 is bent inward to form the left and right side walls of the cushioning body a, and the front reinforcing surface portion 36 is located on the front wall surface 21 side. These surface portions 36, 38, 40 are formed on the folding lines 35, 37, 39, respectively, so that the inner reinforcing surface portion 38 forms the inner side wall of the recess 2 and the rear reinforcing surface portion 40 overlaps the inner rear wall surface 25 so as to overlap the edge portion. Bend along the required direction along the recess 2
A buffer space 3 is formed by forming a lateral portion of the inside and outside double structure.

The reinforcing surface portion 32 is bent into an L shape and is attached to the uncut surface 27, and the reinforcing portion 4 is formed together with the uncut surface 27. The reinforcing portion 4 rises between the rear wall surface 17 and the inner rear wall surface 25 to reinforce the concave portion 2 and improve the buffer function of the buffer space 3.

Reference numerals 50, 51, 52 and 53 in the drawing are reinforcing pieces which are continuously provided at appropriate positions to reinforce the left and right side portions of the buffer b. Further, 54, 55, 56, 57 are locking portions provided so as to engage with and disengage from each other, and by the engagement of these locking portions, the above-mentioned wall surface or the bent state of the wall surface portion is held and the fitting body is held. The assembled state of b is maintained.

Cushioning member A of the present embodiment constructed as described above
In the state before assembly, the raised portion a rises in the central portion of the sheet material 1 and the reinforcing bodies 4 rise in the left and right portions, but the left and right cushioning bodies b are in a developed state before assembly. From this state, as shown in FIGS. 4 to 5, the rear wall surface 1
7, the upper wall surface 19, the front wall surface 21, the inner upper wall surface 24, the inner rear wall surface 25, the side wall surface portion 34, the front side reinforcing surface portion 36, the inner side reinforcing surface portion 38, the rear side reinforcing surface portion 40 and the like in the required directions along the respective folding lines. Then, the left and right shock absorbers b are assembled as shown in FIG.

The assembled buffer b is provided with a concave portion 2 that fits on the side of the package placed on the placing surface 13, and the concave portion 2
A double-walled box-shaped inner and outer wall structure having a buffer space 3 that surrounds the ridge, and the raised portion so that the recess 2 fits to the side of the package when it is erected along the folding line 16. It is continuously arranged up and down with respect to a. Therefore, as shown in FIG. 1, the left and right cushioning bodies b are laid down, and the packaged article is placed on the placing section 13. Thereafter, as shown in FIG. When fitted to the left and right sides of the package, the buffer b is mounted on both the left and right sides of the package, and the buffer space 3 exhibits a predetermined buffer function. Further, the raised portion a protects the lower surface or the upper surface portion of the package, and the buffer space 15 thereof exhibits a predetermined buffer function. Therefore, the three cushioning functions of the raised portion a and the left and right cushioning bodies b work, so that a greater cushioning effect can be obtained and the packaged article can be reliably protected.

After use, the left and right buffer bodies b can be disassembled for easy disposal and easy recycling.

Above, for example, like a notebook computer,
Although an example of the embodiment provided with the recesses that fit to the left and right side parts of the package that is a substantially rectangular parallelepiped is shown, by appropriately changing the shape of each wall surface portion that forms the buffer body or the recess, a cubic shape, It is possible to form recesses that fit into the left and right side parts of the package such as spherical, elliptical, cylindrical, prismatic diameter, and various other shapes, and further, such as switches provided on the side part of the package. Even if an opening, a step, or the like is provided at an appropriate position on the wall surface forming the recess corresponding to the protrusion, the buffer function is hardly affected.

Although the above-mentioned reinforcing member 4 is not necessarily provided, since the reinforcing member 4 is three-dimensionally assembled and protrudes into the buffer space 3, the strength of the buffer member b is increased and a larger buffer function is provided. And durability can be obtained. Further, when the reinforcing body 4 is not provided, the left and right side wall surface base material 1c which does not have the opening 26 and the uncut surface 27 in the rear wall surface 17 and does not have the reinforcing surface portion 32 is used, or the base material 1c is used. Alternatively, the side wall surface portion 34 can be continuously provided on the side edge of the rear wall surface 17 via a fold line.

[0027]

As described above, the cushioning member according to the first aspect of the present invention raises the cushioning body which is arranged so as to be undulated on both sides of the raised portion on which the packaged article is placed and raises these cushioning bodies. Since it is configured to be attached to both left and right sides of the package, a new cushioning member that protects the top, bottom, left, and right sides of the package by the three members of the left and right cushions and the raised portion and exhibits a predetermined cushioning function is provided. can do. Further, since the left and right shock absorbers are connected and held in a pair of left and right via the raised portion, there is no fear that one of the shock absorbers will be insufficient, and parts management at the packing site becomes easy. Moreover, if the left and right shock absorbers are set up after the packaged item is placed on the raised portion, the packaged item can be set, so that the packaging operation can be expected to be simplified.

In addition, a ridge is formed in the central portion of one sheet material, and the right and left portions of the sheet material are bent to assemble a box-shaped cushioning body having an inner-outer double wall structure. since it is configured, storage, during transport such that space saving folding the cushion, storage, the cost of transportation can be reduced, also can makes it easy disposal operations after use .

When the cushioning member is formed of a paper board such as corrugated cardboard or cardboard as in claim 2, it has an excellent cushioning function which can be replaced by a resin cushioning member, and the disposal process after use can be easily performed. In addition, it has the effect that it can be easily recycled.

[Brief description of drawings]

FIG. 1 is a perspective view showing an example of an embodiment of a cushioning member according to the present invention.

FIG. 2 is a perspective view showing a use state of the cushioning member shown in FIG.

FIG. 3 is an exploded perspective view of the cushioning member shown in FIG.

FIG. 4 is a perspective view of the cushioning member shown in FIG. 1 during an assembling process.

5 is a perspective view of the cushioning member shown in FIG. 1 in the process of assembling.

[Explanation of symbols]

a: ridge b: buffer 1: Sheet material 2: Recess 3: Buffer space (buffer section) 13: Mounting surface 17: Rear wall 19: Upper wall 21: Front wall 34: Side wall surface

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References Japanese Patent Laid-Open No. 10-157773 (JP, A) Actual Development No. 5-89270 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) B65D 81/113

Claims (2)

(57) [Claims] 1. A package is placed on the center of one sheet material.
A ridge to be placed is formed and a fold line is formed in the central portion.
Of the left and right parts of the sheet material that is continuous up and down via
Bent parts are bent to form left and right cushioning bodies, and the cushioning body includes a recessed portion that fits into a side portion of the package placed on the raised portion, and a cushioning portion that is composed of a buffer space that surrounds the recessed portion.
Is formed in a box-like shape having an inner-outer double wall structure , and the cushioning body is movably connected to the raised portion so that the recess fits to the side of the package when standing upright. a buffer member made of Te, the buffer body, the left and right ends of the sheet material when the rear wall co
In the upper wall surface continuous to the periphery of the rear wall surface through a fold line,
The left and right walls and the front wall are bent in the required direction and assembled into a box
And creases and cutting lines provided at the required points on the front wall surface
Bend the center part of the front wall toward the inside of the cushion along
Forming a concave portion and forming the buffer space around the concave portion.
A cushioning member characterized by being formed . 2. The cushioning member according to claim 1, which is formed of a paper board such as a corrugated board or a cardboard .