JPH0811940A - Cushioning material for packaging, using corrugated sheet - Google Patents

Abstract

PURPOSE:To provide a cushioning member for packaging which is packed around an article to be packaged in order to prevent the article to be packaged from being damaged when the article to be packaged is put in a packaging case and packaged. CONSTITUTION:A cushioning material PC for packaging using a corrugated sheet is made of a sheet material 1 which has an appropriate thickness, appropriate rigidity, and an appropriate shape memory property after a forced pressure- forming process, such as paper or synthetic paper. This sheet material is formed into a corrugated shape in such a manner that wave lines WL may extend in one direction by a forced pressure-forming process to form a corrugated sheet 2. The corrugated sheet is formed into a narrow width state by slit- processing along a desired slit line SL with a narrow width which is perpendicular to the wave lines. Then, a cushioning property is imparted by an elasticity which is owned by the paper itself, and a flexible elasticity which is owned by the corrugation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cushioning material (cushioning material) for packing, for example, around a package when packing the package in a packaging case. It is obtained by slitting a corrugated sheet formed by corrugating the material into a narrow width by using paper, and the elasticity of the paper itself and the elastic resilience of the corrugation by corrugation The present invention relates to a cushioning material for packaging which uses a resource-saving and inexpensive corrugated sheet for improving the cushioning effect as a packaging cushioning material.

[0002]

2. Description of the Related Art As is well known, when packing a package in a packaging case, various cushioning materials for packing around the package have been developed for the purpose of preventing damage to the package. Have been offered as. As for the cushioning materials for packaging recently, expanded synthetic resin products such as Styrofoam have become the mainstream. The cushioning material made of foamed synthetic resin such as Styrofoam is diverse in that it is lightweight and suitable for moldability, but on the other hand, it requires a large amount for each package. It is bulky and has a big problem in its disposal after use as a cushioning material for packaging.

On the other hand, conventionally, soft paper materials have also been used as cushioning materials for packaging for the purpose of preventing damage to the packaging.
This soft paper cushioning material is made by rolling a large amount of soft paper and packing it around a package. Although it looks good as a cushioning material for packaging, it is economical in that it requires a large amount of good quality paper material. It was extremely unreasonable.

[0004]

SUMMARY OF THE INVENTION Therefore, the present invention
Under the above circumstances, when packing a package in a packaging case, in order to prevent damage to the package, provide a cushioning material for packing around the package in a resource-saving and inexpensive manner. In addition, a wavy sheet having a novel structure was used, which effectively conforms to the disposal treatment after use as a cushioning material for packaging and responds to the dust problem, which has been pointed out as a major problem in the past. It is to provide a cushioning material for packaging.

[0005]

In order to achieve the above-mentioned object, the present invention specifically has a proper thickness, a proper rigidity, and a forced pressure molding. After processing, a sheet material such as paper or synthetic paper having an appropriate shape memory property is used as a material, and the sheet material is subjected to forced pressure molding so that the ridge lines extend in one direction. The corrugated sheet is formed into a corrugated sheet, and the corrugated sheet is formed into a narrow width by slitting along the desired slit line intersecting the corrugation line. A cushioning material for packaging is constructed by using a corrugated sheet which is provided with cushioning properties by elasticity and elastic force of corrugations formed by corrugation.

Further, in a specific embodiment of the present invention, the sheet material has a thickness of about 0.5 mm to 2 mm, and is generally provided as a recycled paper of a recovery material. That the corrugated sheet is slit-processed along a slit line orthogonal to the corrugation line of the corrugated sheet, and the slit width dimension of the corrugated sheet is about 3 mm to 10 mm. It is also a design item that it is a thing.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A cushioning material for packaging using a corrugated sheet according to the present invention will be described in detail below with reference to specific embodiments shown in the drawings. FIG. 1 shows a concrete example of a cushioning material for packaging using a corrugated sheet according to the present invention, in which a material sheet is formed into a corrugated sheet and slit-processed for narrow-width packaging. FIG. 2 is a schematic perspective view of a step of finishing into a cushioning material, and FIG. 2 is a schematic explanatory diagram illustrating an example of a series of device mechanisms relating to the manufacture of the narrow cushioning material for packaging.

The cushioning material PC for packaging using the corrugated sheet according to the present invention is basically a sheet material 1 such as paper or synthetic paper having an appropriate thickness and an appropriate rigidity. It is the material. In the present invention, the sheet material 1 remains in the shape-retained state in a range having a shape memory property after the forced pressure molding treatment, that is, after the forced pressure molding treatment. Within a certain range, a cardboard having a certain thickness and a certain degree of rigidity is preferable, and is about 0.5 mm to 2 m.
It is appropriately selected from those having a thickness dimension of about m.

The sheet material 1 may be paper or synthetic paper newly provided for the packaging cushioning material PC, but from the basic idea of the present invention, it is temporarily Is appropriately selected from papers or synthetic papers that will be used and discarded, and is provided by reprocessing these.

As described above, the sheet material 1 as a material of the cushioning material PC for packaging using the corrugated sheet according to the present invention is
As described above, it can be provided by the recycled paper of the collected material, can be obtained at extremely low cost, and is inexhaustible, and is extremely resource-saving. Further, these recycled papers are usually subjected to various kinds of printing, and in that respect, it is extremely economical in that it is not necessary to perform new color processing.

A cushioning material PC for packaging using a corrugated sheet according to the present invention is a corrugated sheet 2 in which a corrugated line WL extends in one direction by subjecting the above-mentioned sheet material 1 to forced pressure molding. Processed into form. This corrugated pressure molding process is performed by a corrugated sheet molding machine 3 which is a so-called stage shift machine. The corrugated sheet molding machine 3 has a corrugated circumferential surface and is appropriately heated for corrugation molding. The upper roller 4 and the lower roller 5 are provided, and the sheet material 1 that passes between the rollers is corrugated in a predetermined direction.
The corrugated sheet 2 is stretched.

Further, in the present invention, the corrugated sheet 2 is used.
Is subjected to slit processing along a desired narrow width slit line SL intersecting the corrugated line WL, and a narrow width cushioning material P for packaging.
It provides C. This slit processing is, for example,
Slitter mechanism 6 consisting of a pair of slitter rollers 7 and 8
The cushioning material PC for packaging having a desired width is obtained according to the set intervals of the slitter knives in the pair of slitter rollers 7 and 8.

The slit treatment of the corrugated sheet 2 is preferably a slit treatment along a slit line SL orthogonal to the corrugation line WL of the corrugated sheet 2. The crossing mode of the slit lines SL with respect to the corrugated lines WL of the corrugated sheet 2 is not limited to the above mode, and may be, for example, a slant at a desired angle.

The slit width dimension in the slit processing is preferably about 3 mm to 10 mm. This slit width dimension is not limited to the above dimension range, depending on the intended use as a cushioning material.

The cushioning material PC for packaging obtained in this way
After that, if necessary, it is cut with a desired length dimension in the length direction, and when the package is packed in a packaging case in a state where it is randomly rolled, the purpose is to prevent damage to the package. At, the product is packed around the package in the packaging case.

[0016]

According to the cushioning material PC for packaging using the corrugated sheet of the present invention having the above-described structure, first, the sheet material 1 as the material is the recycled paper of the collected material, which is extremely easy and It is extremely inexpensive and can be said to be inexhaustible, and it is extremely resource-saving.
In addition, the structure of the cushioning material PC for packaging is extremely simple, the manufacturing is also very easy, and it can be provided at a low cost because it is suitable for mass production. It can be said that it works extremely advantageously.

The cushioning material PC for packaging using the corrugated sheet of the present invention is paper or synthetic paper as a material sheet, particularly, it has an appropriate thickness, has an appropriate rigidity, and is forcibly applied. After pressure forming, a cardboard having an appropriate shape memory property is applied, and a corrugated sheet formed by corrugating the material is slit into a narrow width to obtain the elasticity and corrugation of the paper itself. It is possible to improve the cushioning effect as the cushioning material for packaging by the elastic resilience of the corrugations formed, and it can be said that it is extremely effective in that respect.

Furthermore, in the packaging cushioning material PC using the corrugated sheet according to the present invention, the recycled paper of the collected material can be directly used as the sheet material 1 as the material, and these recycled papers are Since various printing is usually performed, it is extremely convenient in that it can provide a cushioning material for packaging of various colors without performing a new color treatment, and a new color treatment is performed. It can be said that it works extremely economically even in the point that it is not necessary.

Further, the cushioning material PC for packaging using the corrugated sheet according to the present invention is the selection of the kind and thickness of the sheet material 1 as the material, the setting of the pitch of the corrugation line, and the slit line for the corrugation line. By providing an appropriate organic combination of the setting of the crossing mode and the setting of the slit width dimension, etc., it is possible to secure an effective cushioning property as a cushioning material for packaging by using an appropriate amount. It can be said that the present invention is extremely effective in that it can be eliminated and can be effectively adapted to the disposal processing after use without any problem and can respond to the problem of dust.

[Brief description of drawings]

FIG. 1 shows a specific embodiment of a cushioning material for packaging using a corrugated sheet according to the present invention,
It is a perspective view which shows roughly the process of shape | molding a raw material sheet | seat into a corrugated sheet | seat and performing a slit process, and finishing it to the narrow cushioning material for packaging.

FIG. 2 is a schematic explanatory view showing a mode example of a series of device mechanisms relating to the production of the narrow cushioning material for packaging.

[Explanation of symbols]

 Buffer material for PC packaging 1 Sheet material 2 Corrugated sheet 3 Corrugated sheet forming machine 4 Upper roller 5 Lower roller 6 Slitter mechanism WL Wavy ridge line SL Slit line

Claims (4)

[Claims] 1. A sheet material, such as paper or synthetic paper, which has an appropriate thickness and an appropriate rigidity, and has an appropriate shape-memory property after the forced pressure forming process is used as a material. The sheet material is forcibly pressed to form a wavy sheet so that the wavy line extends in one direction, and the wavy sheet is formed by corrugating the wavy sheet. Narrow width that intersects with Slits are formed along a desired slit line to form a narrow width, and the cushioning property is provided by the elasticity of the paper itself and the elastic force of the wavy shape by corrugation. A cushioning material for packaging using a corrugated sheet. 2. The sheet material is about 0.5 mm to 2 mm.
The cushioning material for packaging using a corrugated sheet according to claim 1, which has a thickness in a degree and can be generally provided by a recycled paper of a recovery material. 3. The packaging using the corrugated sheet according to claim 1, wherein the corrugated sheet is slit-processed along a slit line orthogonal to a corrugation line of the corrugated sheet. Cushioning material. 4. The cushioning material for packaging using a corrugated sheet according to claim 1, wherein the corrugated sheet has a slit width dimension of about 3 mm to 10 mm.