JPS603108Y2 - shock absorber - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a shock absorbing device for packaging rolls of synthetic resin films, sheets, metal foils, paper, etc., and other roll-shaped articles.

Conventionally, this type of shock absorbing device has been produced by wrapping a roll-shaped article in cardboard or the like, and filling the space at the end with laminated cardboard, or by attaching a molded synthetic resin foam that matches the shape of the article in advance. Additionally, shock absorbers are implemented that are packaged with cardboard or the like.

However, with these shock absorbers, since the packaged goods are heavy, it takes time and effort to wind up the cardboard, etc.
Moreover, even in terms of its cushioning function, once a shock is applied, it will cause a buckling phenomenon and the load will collapse, and it must be shaped each time according to the diameter of the packaged item, making it difficult to save economical, workable, and resource-efficient products. There are many problems from both sides.

This invention proposes a shock absorbing device that is distantly related to the rationalization of packaging operations, economical efficiency, resource saving, etc., in order to deal with the above-mentioned conventional problems.

This invention will be explained below with reference to illustrated embodiments.

In FIG. 1, an annular cushioning material 2 made of a plastic foam having an L-shaped cross section is attached to extend over the circumferential surface and end surface of both ends of a roll-shaped component 1.

Seam portions 3 of the cushioning body 2 are bonded and connected with tape 4, and the entire body is covered with a synthetic resin film 5 from the outside for stretch wrapping or shrink wrapping.

The cushioning material 2 used in this example is shown in Fig. 2, in which a number of cuts 6 perpendicular to the longitudinal direction are made across the ridge line and two sides of the cross-sectional shaped plastic foam. Cuts 7 are provided at intervals between the cuts 6 and 6 from the side edges of the two sides.

Therefore, it can be expanded and contracted by pulling it in the length direction,
You can also expand and contract each side independently.

For this reason, one side can be extended to form an annular shape, and the other side can be curved into a circular plane so that it can be attached in close contact with the end of the roll-shaped article.

Note that the cuts 7 do not necessarily need to be provided on the two side edges; it is convenient if they are provided on both side edges since both sides can be curved into an annular shape.

The cushioning material of this device is preferably a foam mainly made of polyethylene, but other foams may be used as long as they are flexible.The material is selected depending on the diameter and weight of the roll-shaped article, and its thickness is 5 to 1.
It is about 20 mm.

This shock absorbing device has the above-mentioned structure.The shock absorbing material is made of synthetic resin foam and has an L-shaped cross section, and is provided with cuts and cuts, so even if the middle side is large, it can be circularly shaped without causing any distortion. It can be deformed and attached closely to the edge of a roll-shaped article to cover a wide area and provide high cushioning performance.

In addition, the annular cushioning material is flexible and does not warp, so by wrapping the outside with a shrinkable film, the attachment stability of the cushioning material is increased without having to tighten it with belts, etc., and it prevents it from falling off. At the same time, contamination due to moisture etc. can be prevented.

Moreover, since the long cushioning material can be cut into a ring shape according to the diameter of the roll-shaped article and attached, it can be attached accurately to various roll-shaped articles with different diameters, there is no wastage of material, and a variety of cushioning materials can be attached. No need, high buffering performance and packaging workability.

[Brief explanation of the drawing]

The drawings show an embodiment of this invention; FIG. 1 is a perspective view of the entire shock absorbing device for packaging roll-shaped articles, and FIG. 2 is a perspective view of the shock absorbing material used in the device shown in FIG. 1. 1...Tall-shaped article, 2...Cushioning material, 3
... Seam part, 4 ... Tape, 5
...Synthetic resin film, 6...notch, 7...cut.

Claims (1)

[Scope of utility model registration request] A cross-sectional synthetic resin foam is formed into an annular shape, and is attached to the peripheral surface and the end surface of the roll-shaped article, and the outside thereof is further covered with a shrinkable film, and the continuous foam is formed into an annular shape. 1. A shock absorbing device comprising an L-shaped ridgeline and a plurality of notches perpendicular to the longitudinal direction spanning two sides of the L-shaped ridgeline to enable bending.