High and-low piles-revealing cut pile fabric cut pile fabric, ha

Details High and-low piles-revealing cut pile fabric cut pile fabric, ha High and-low piles-revealing cut pile fabric cut pile fabric, ha

1998-08-13

2000-06-20

Vanatta, Amy B.

Textiles: manufacturing

Textile product fabrication or treatment

Of thread interlaced article or fabric

428 89, 428 92, D06C 702, D06C 1100

Patent

active

06076242&

DESCRIPTION:

BRIEF SUMMARY
TECHNICAL FIELD

This invention relates to a cut pile fabric. More particularly, it relates to a high-and-low piles-revealing cut pile fabric with substantially vertically standing tufts, a cut pile fabric having a rugged surface with lumps of snarled cut piles, and a process for producing the cut pile fabric having a rugged surface with lumps of snarled cut piles.


BACKGROUND ART

Cut pile fabrics made from a non-crimped multifilament yarn, a crimped multifilament yarn, or a spun yarn have heretofore been known and used. These cut pile fabrics have problems in surface appearance such as occurrence of cracks, wale streaks, fiber falling and white glazing by reflection as observed at a certain visual angle.
To solve the problems in surface appearance of the conventional cut pile fabrics, a pile fabric made of an intermingled yarn wherein crimped synthetic multifilament yarns and non-crimped synthetic multifilament yarns are uniformly intermingled has been proposed in Japanese Unexamined Patent Publication No. H7-44758. The non-crimped yarns and the crimped yarns are uniformly intermingled in the cut piles of this fabric, and thus, crimp characteristics of the crimped yarn and smoothness and stiffness characteristics of the non-crimped yarn are manifested whereby the above-mentioned problems in surface appearance are solved. However, in the thus-proposed cut pile fabric composed of uniformly intermingled crimped yarns and non-crimped yarns, only a mean value of the characteristics of the crimped yarns and those of the non-crimped yarns is manifested.
No technical idea has heretofore been proposed wherein non-crimped yarns having special properties and crimped yarns having special properties are used in combination for the pile yarns of a cut pile fabric to provide a cut pile fabric with a novel and unique surface appearance.


DISCLOSURE OF INVENTION

A primary object of the present invention is to provide a fabric having a rugged surface with lumps of snarled piles and exhibiting a unique surface appearance.
Another object of the present invention is to provide a process for making the fabric with a rugged surface with lumps of snarled piles.
The present invention is based on the following technical ideas. Namely, first, cut piles of a fabric are made of an intermingled yarn of (a) a crimped synthetic multifilament yarn and (b) a non-crimped highly heat-shrinkable synthetic multifilament yarn which has thick portions and thin portions, alternately occurring along the length of each constituent filament of the yarn (b), the thick portions having a heat shrinkage larger than that of the thin portions, and thus, when the cut pile fabric is heat-treated, high-and-low cut piles are revealed; and secondly, at least tip portions of the cut piles of the crimped yarns are entangled with each other, and thus, a rugged surface with lumps of snarled piles is manifested.
Thus, in one aspect of the present invention, there is provided a high-and-low piles-revealing cut pile fabric with substantially vertically standing tufts, made of a synthetic multifilament yarn, characterized in that said synthetic multifilament yarn is an intermingled yarn comprised of (a) a crimped multifilament yarn and (b) a non-crimped highly heat-shrinkable thick-and-thin multifilament yarn having a heat shrinkage larger than that of the crimped multifilament yarn (a), and having thick portions and thin portions, alternately occurring along the length of each constituent filament of the yarn (b), said thick portions having a heat shrinkage larger than that of said thin portions.
In another aspect of the present invention, there is provided a cut pile fabric having a rugged surface with lumps of snarled piles of synthetic multifilament yarn, characterized in that said synthetic multifilament yarn is an intermingled yarn comprised of (a) a crimped multifilament yarn and (b) a non-crimped thick-and-thin multifilament yarn having a heat shrinkage larger than that of the crimped multifilament yarn (a), and having thick portions and thin portions, al

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