JPS6162413A - Carpet - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) This invention relates to a novel pile carpet.

(Conventional technology) Conventional car vents laid on the floors of buildings, vehicles, etc. include tufted carpets, needle punch carpets, adhesive carpets, etc. Although each of these carpets has its own characteristics, it also has drawbacks. i.e. tufted carpet is the most commonly used
In order to fix the pile driven into the base fabric to the base fabric, it was necessary to apply a backing of thermoplastic resin, latex, etc. from the back side of the base fabric. In addition, even with backing, the strength of the plain pile often decreased and the pile yarns sometimes frayed. In addition, the pile yarns went under the back side of the base fabric and came out on the surface, which made the pile usage inefficient (therefore, extra pile yarns were required).

In addition, the 21-dollar punch carpenote has good productivity and is relatively low cost, but because the pile is formed by pushing up from the back side with a needle, the pile height is limited to a low one.

Furthermore, adhesive carpets require a limited amount of adhesive to adhere the pile to the base fabric, and a large amount of adhesive is required. This is because in order to adhere the pile to the surface of the base fabric, the pull-out force of the pile is applied directly to the adhesive layer, so a strong adhesive force is required, and the adhesive must be applied to the entire area of the base fabric. .

(Problems to be Solved by the Invention) Therefore, the present invention solves 1 to 7 problems of the above-mentioned conventional carpet.
The purpose of the present invention is to provide a carpet with low cis 1- and good appearance.

(Means for Solving Problems) The gist of the present invention is to fold a first fabric so that its cross section becomes wavy, and then fold a second fabric so that the cross section becomes wavy at a finer pitch than the first fabric. This carpet is characterized in that the second fabric is folded so that the crests of the two waves match, and then the crests are fixed together with an adhesive, and then the second fabric is stretched.

The present invention will be explained based on an embodiment shown in the drawings. This figure is a perspective view of the carpet of the present invention. Here, 1 is a pile, which is formed by folding the first fabric into a wave shape and then stretching it at a constant rate. The bottom part of the pile 1, that is, the m part 1a of the waves continuing in the direction perpendicular to the traveling direction of the waves of the first fabric is fixed to the base fabric 3 by an adhesive 2. Glue 2 is present only on the crests of the waves. This is achieved by the F principle as described below. That is, as described above, the base fabric 3, that is, the second fabric, is folded at a finer pitch than the wave pitch of the first fabric, and in this state, one top of the second fabric is coated with a roll coater, spray, etc. Applying adhesive by means. However, the adhesive can also be applied to the wave crests of the first fabric in a similar manner. In this case, it may be applied to either one or both of the first and second fabrics. The adhesive used here includes emulsion type adhesives such as acrylic, vinyl acetate, and SBR adhesives. Alternatively, a hot melt type adhesive such as ethylene vinyl acetate copolymer can also be used. After applying adhesive to the crests of the waves, the crests are brought into contact with each other, and the adhesive is allowed to harden in this state. That is, if it is an emulsion type adhesive, it is cured by drying it in a heat lull or the like.

Further, in the case of a hot melt type, it is hardened by cooling. After that, the wavy base fabric 3L! fJchi 2nd
The car vent of the present invention is completed by stretching the fabric into a flat plate. By taking the above steps, the adhesive can be present only at the top of the first wave.

The first fabric that can be used in the present invention is not particularly limited. Ordinary plain woven fabrics, fried fabrics, non-woven fabrics, aggregates of yarns or fibers arranged in a horizontal direction, webs in which yarns or fibers are arranged in the spreading direction by carding, etc. A sheet-like material etc. that is easy to use can be used.

The basis weight of the first fabric is preferably in the range of 150 g/m to 800 g/%. The most preferred fabric in terms of cost is an aggregate of threads or fibers, or a web, which is used as a preliminary material for producing knitted or nonwoven fabrics. The strength of these fabrics is extremely weak;
Although it is easy to separate, as mentioned above, by adhering it to the base fabric, it becomes separated and the strength reaches a practical level.

As the base fabric 3, that is, the second fabric, a spunbond nonwoven fabric, a needle bunch nonwoven fabric, or a polypropylene split-tone plain woven fabric, which is commonly used for footing, can be used. The properties required of this base fabric include surface strength, strength to secure the pile with a beating agent, dimensional stability, and other mechanical strength.Also, the color of the base fabric should match the pile. is desirable.

The carpet of the present invention can be lined with a thermoplastic resin from the back side like a normal tufted carpet.This increases the rigidity of the carpet and improves its ease of placement.

(Function) Since the carpent of the present invention is constructed as described above, all the materials used for the pile can be used effectively.

In other words, unlike tufted carpets, some of the pile threads do not go under the back of the base fabric, and all the piles are above the base fabric, making it possible to create carpets with high pile height.
You can get a throat.

Furthermore, unlike conventional adhesive carpets, multiple adhesives are not required, resulting in a lightweight, low-cost carpet. Examining this in detail, we find that in the case of adhesive carpets, the adhesive layer is applied over the entire surface of the base fabric, and the thickness of the adhesive layer is large because the pile is attached to the base fabric via the adhesive layer. It required more than I¥ of the pile. However, the length of the bail used for normal Kape 7to is 0.
The thickness ranges from about 5 mm to 2.0 mm, and the adhesive layer ultimately needs to have a thickness of 0.5 mm to 2.0 mm or more. Therefore, a large amount of adhesive was required. However, in the case of the carpet of the present invention, the adhesive is at the bottom of the vail 1,
In other words, since it exists only at the top of the wave, only a very small amount is required.

In this way, the carpet of the present invention uses a small amount of both pile and adhesive, and is therefore lightweight and low in cost. It is breathable because it is
When used as a floor carpet for automobiles 8
Excellent sound absorption properties.

[Brief explanation of the drawing]

The drawing is a perspective view of the carpet of the present invention. 1... Pile (fabric), 1a... Bottom, 2... Adhesive, 3... Base fabric.

Claims (1)

[Claims] The first fabric was folded so that it had a wavy cross section, and then the second fabric was folded so that it had a wavy shape at a finer pitch compared to the first fabric, and the crests of the two waves were aligned. Then fix the tops together with adhesive,
A carpet characterized in that a second fabric is then stretched.