JPH045444Y2 - - Google Patents

Description

[Detailed explanation of the idea] The present invention relates to a colander bag.

Drainage bags are widely used as kitchen garbage bags because they filter garbage and only drain water.

BACKGROUND ART Conventionally, a plastic film bag with a large number of small holes each having a diameter of about 3 mm has been used as a drainage bag.

However, such draining bags have the disadvantage that they tend to tear around the holes in which they are punched. Furthermore, since the diameter of the hole is small, it tends to become clogged with debris, resulting in insufficient drainage.

The purpose of the present invention is to provide a draining bag that is durable and drains water well.

The present invention provides a drainage hole at the bottom of a plastic film bag with a maximum diameter of 10 to 60% of the length of the bottom, and the plastic film is placed around the hole.
From a draining bag in which a net film obtained by cutting film fibers or plastic filaments cut into thin strips with a width of 0.1 to 10 mm in length and breadth and knitting them into a cloth shape or thermocompression bonding is attached, and the holes are sealed with the net film. Become.

The present invention will be explained in detail with reference to examples.

In the draining bag shown in Fig. 1, the bag body is made of plastic film 1, and a draining hole with a diameter of about 30% of the length of the bottom is provided at the bottom of the bag, and this hole is sealed with a net film 2. There is.

To adhere the net film 2 around the drain hole, as shown in Fig. 3, place a net film with a diameter slightly larger than the drain hole provided in the plastic film 1 over the hole, and then bond the fused portion 3 around the hole. This can be easily done by thermocompression bonding and fusing the two together. After this fusion, if you bend it at the bottom crease 6, the first
This is the bottom structure of the embodiment shown. From the viewpoint of strength, it is preferable to perform this folding operation so that the net film 2 is on the inside of the bag.

To bond the net film of the draining bag of the present invention, as shown in Fig. 4, a long length of net film is placed on the center line of a long length of plastic film with draining holes provided at regular intervals, and the fused portion 3 is continuously attached. can also be formed. At this time, it is desirable that the side edges of the net film are also fused to the plastic film 1 by the fusion line 9. Then, by folding it outward or inward along the center line, the bottom structure of the draining bag of the present invention is completed. After bending, a draining bag can be manufactured by fusing and cutting the bag side edge 8.

The shape of the drain hole provided in the drain bag of the present invention is not limited to a circular shape, but square, rectangular, oval, and other shapes can be used as appropriate. The size of the bag can be appropriately selected depending on the height and width of the bag, but from the standpoint of strength and cost, a smaller one is preferable, and from the standpoint of drainage effectiveness, it is better to make the entire bottom part a drainage hole. Generally, the maximum diameter should be 10 to 60 percent or more of the length of the bottom. In particular, a ratio of 25 to 60 percent is desirable from the viewpoint of good drainage and strength. The maximum diameter here refers to the maximum value when measuring the diameter of the drainage hole in any direction. Since it does not have small holes of approximately 3 mm like conventional draining bags, the draining holes will not be blocked by debris.
The drainage effect is good.

It is even more desirable to provide the drainage bag of the present invention with fusion lines 4 on both sides of the bottom as shown in FIG. 1, since the drainage will collect in the drainage holes and will be easier to drain. If this fusion process is changed to a fusion-cutting process, the bottom corner end 5 can be cut off.

In the conventional draining bag with many small holes,
Drainage bags that have drainage holes concentrated only in the center of the bottom of the bag and the above-mentioned drainage fusion part 4 have better drainage than conventional bags, and can reduce the number of drainage holes. This increases the strength of the bag, making it a very useful bag.

The net film used in this invention is made by cutting plastic film into thin strips with a width of approximately 0.1 to 10 mm and woven film fibers vertically and horizontally like cloth, or by simply stacking these film fibers vertically and horizontally and semi-laminating them by heat compression bonding. It can be fused into a film. This film can be used as a film in the same way as ordinary plastic film, but unlike plastic film, it is not airtight and has very high air permeability and water permeability. In this case, it is highly desirable that the net film be made of the same material as the film used for the bag from the viewpoint of the strength of the fused portion. The net film used in the draining bag of the present invention is breathable, can be fused with the bag film, and is formed into a film using plastic film cut into long strips as a raw material. You can use it for anything, not just things.

On the other hand, it is possible to construct a draining bag using only net film, but such a bag does not have a stable shape and is too flexible, making it extremely difficult to handle and expensive. There are drawbacks.

The draining bag of the present invention uses net film only in the necessary parts, so it is inexpensive, durable, has good drainage effects, and is very useful.

[Brief explanation of the drawing]

FIG. 1 is a front view of one embodiment of the draining bag of the present invention, FIG. 2 is a longitudinal sectional view thereof, and FIGS.
FIG. 4 is an explanatory diagram illustrating the manufacturing process of the bottom structure of the draining bag of the present invention, and the symbols in the figure are 1... plastic film, 2... net film, 3... fusion part, 4 ...Drainage welding part,
5... corner end, 6... bottom fold, 7... opening, 8... bag body side edge, 9... fusion line.

Claims (1)

[Scope of utility model registration request] A drainage hole with a maximum diameter of 10 to 60% of the length of the bottom is provided at the bottom of the plastic film bag, and the plastic film is placed around the hole.
A net film obtained by cutting film fibers or plastic filaments cut into thin strips with a width of 0.1 to 10 mm in length and breadth and knitting them into a cloth shape or thermocompression bonding was fixed by fusion, and the holes were sealed with the net film. A colander bag that is characterized by: