JPS5836676Y2 - Kanseihosou Fukuro - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a cushioning packaging bag that can safely store and store various articles such as precision machine parts.

BACKGROUND ART Conventionally, in the storage and storage of articles such as precision machine parts, methods have been generally employed, such as wrapping the articles in advance with cushioning materials such as rags, or storing the articles directly in packaging bags.

However, these methods require the effort of wrapping each item in cushioning material, and in the case of the former, additional packaging is required, further increasing the effort. There is a risk that the product may be exposed outside the cushioning material due to vibrations, etc., and be damaged.In the latter case, storing the product in a packaging bag may save some effort, but the product may move around within the packaging bag. In both cases, items were more likely to be exposed outside of the cushioning material, resulting in damage, and in either case, it could not be expected that the items would be stored satisfactorily and reliably.

The present invention provides a cushioning packaging bag that overcomes these drawbacks, and one embodiment of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a partially cutaway sectional view of the cushioning packaging bag of the present invention, and FIG. 2 is a longitudinal sectional view thereof.

In the drawings, reference numeral 1 is the packaging body, 2 is the bag opening,
In particular, the main body part has a three-layer structure in which paper 3, heat-adhesive synthetic resin laminate layer 4, and foam sheet layer 5 are laminated in order from the outer layer, and at the bag opening, paper 3 and heat-adhesive synthetic resin laminate layer It has a two-layer structure of 4.

Further, FIGS. 3a and 3l) are both plan views of the constituent materials of the cushioning packaging bag of the present invention, and FIG. 4 is a sectional view of No. 34Kb.

However, when making bags, the constituent materials are folded in half along the center line H, and in the case of Figure 3A, the above A and B, C and D, and in Figure 3, E and F, G. By overlapping and heat-sealing the parts I and I,
A cushioning packaging bag according to the present invention is obtained.

Incidentally, the portion of the thermoplastic synthetic resin laminate layer 4 can serve as the opening of the bag, and after the article is placed in the bag, it is sealed by heat sealing.

Further, among the constituent materials, a relatively durable paper such as kraft paper is suitable as the paper, polyethylene is suitable as the heat-adhesive synthetic resin, and Botethylene foam sheet is suitable as the foam sheet layer.

As described above, the cushioning packaging bag according to the present invention is used by storing articles such as precision mechanical parts into the bag through the opening 2 of the package body 1 configured in an appropriate form, and then sealing the opening 2. It is.

However, the opening 2 of the packaging body 1 can be completely sealed by simply heat-sealing the resin laminate surface exposed inside the opening 2, so packaging is extremely simple and requires no effort. be.

In addition, since the foam sheet layer 5 is formed on the inner surface of the bag, even when items are stored in the bag, there is less movement within the bag, and the cushioning effect of the foam sheet layer 5 protects against vibrations and shocks. not be damaged.

In this way, the cushioning packaging bag of the present invention makes it easy to store items inside the bag, and after storage, it can be easily sealed by simply heat-sealing the opening of the bag, ensuring safe protection of the items. This is an extremely excellent technical idea.

[Brief explanation of the drawing]

Figure 1 is a partially cutaway sectional view of the cushioning packaging bag of the present invention, Figure 2 is a longitudinal sectional view, and Figures 3a and 3) are plan views of the constituent materials of the cushioning packaging bag of the present invention. FIG. 4 is a sectional view of FIG. 3. 1... Packing body, 2... Bag opening, 3.
... Paper, 4 ... Heat-adhesive synthetic resin laminate layer, 5 ... Foam sheet layer.

Claims (1)

[Scope of utility model registration request] The main body part has a three-layer structure in which paper 3, heat-adhesive synthetic resin laminate layer 4, and foam sheet layer 5 are sequentially laminated from the outer layer, and the bag opening has paper 3 and heat-adhesive synthetic resin laminate from the outer layer. A cushioning packaging bag characterized by having a two-layer structure with layer 4.