IP Library › Granted Patent US 7,310,932
Granted Patent B2
US 7,310,932 · App. 11/055,939 · Granted Dec 25, 2007

Stretch woven fabrics

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Quick Facts
Patent No.
US 7,310,932
App. No.
11/055,939
Filed
Feb 11, 2005
Granted
Dec 25, 2007
Kind
B2
Art Unit
3765
USPC
57/224
Abstract

The invention provides a polyester bicomponent core spun yarn comprising a sheath of at least one hard fiber and having an English cotton count of from about 5 to about 60 and a core of bicomponent polyester filament. The invention further includes a fabric substantially free of grin-through of the bicomponent polyester filament.

Claims (9)

1. A woven stretch fabric having warp and weft yarns and comprising polyester bicomponent filament core spun yarn, wherein

a) the bicomponent filament core spun yarn comprises

i) a sheath of at least one hard staple fiber;

ii) a core of polyester bicomponent filament comprising poly(trimethylene terephthalate) and at least one polymer selected from the group consisting of poly(ethylene terephthalate), poly(trimethylene terephthalate), and poly(tetramethylene terephthalate) or a combination of such members, having an after heat-set crimp contraction value of from about 10% to about 80%; and

the fabric is substantially free of bicomponent filament grin-through wherein

a) the weft yarn comprises polyester bicomponent core spun yarn;

b) the warp yarn comprises staple spun yarn or filament; and

c) the available fabric stretch in the weft direction is from about 10% to about 35%.

2. The fabric of claim 1 comprising a garment.