IP Library Granted Patent US 11,905,626
Granted Patent B2
US 11,905,626 · App. 15/538,768 · Granted Feb 20, 2024

Easily settable stretch fabrics including low-melt fiber

Inventors: Tianyi Liao (Chadds Ford, PA); Geoffrey D. Hietpas (Newark, DE); Brian Scott Alcott (Wilmington, DE)
D02G3/32A41B9/001A41B11/02A41C1/003A41C1/08A41D1/08A41D7/00D02J1/08D03D1/00D03D15/56D04B1/16D04B1/18D04B1/243D04B1/26D04B9/46D04B21/16D04B21/18D04B21/207D06M10/00D06P5/2066D06P5/2072D06P5/2077A41B2500/10A41B2500/20A41D2500/10A41D2500/20D01F1/10D10B2401/041Y02P70/62
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Quick Facts
Patent No.
US 11,905,626
App. No.
15/538,768
Granted
Feb 20, 2024
Kind
B2
Abstract

The present invention provides an easy settable stretch fabric comprising three types of yarns: a rigid fiber, an elastic fiber, and a low-melt fiber, wherein the low-melt fiber comprises low-melt polymer which can be fused in the temperature between 60° C. to 200° C., being higher than the temperature used for normal textile process and household laundry, but lower than the temperature used for heat setting elastic fiber. The low-melt fiber can be selected from a group of fibers made from modified polyester, nylon, and polypropylene and the copolymer from them in the form of staple or filament.

Claims (21)

1. An elastic fabric with easy set and shape enhance property, said elastic fabric comprising nonelastic fibers, elastic fibers, and low-melt fibers; wherein

i) the low-melt fiber comprises a low melt polymer selected from the group consisting of polyester, polyamide, polyolefin and polypropylene;

ii) the melting temperature of the low-melt fiber is between 60° C. to 200° C.; and

iii) the content of low-melt fibers is no less than 0.5% and no higher than 55% of the fabric weight; and

wherein said fabric is a woven fabric comprising dual core spun yarn with said nonelastic fiber as a sheath and said elastic fiber and said low-melt fiber as a core.

2. The fabric of claim 1 , wherein said low-melt fiber is a filament from 10 denier to 450 denier.

3. The fabric of claim 1 , wherein said low-melt fiber is a staple fiber with denier from 0.5 denier to 10 denier.

4. The fabric of claim 1 , wherein said low-melt fiber is monopolymer.

5. The fabric of claim 1 , wherein said low-melt fiber is bi-component.

6. The fabric of claim 1 , wherein said low-melt fiber is bi-component filament with sheath core structure, wherein the sheath comprises low-melt polymer.

7. The fabric in claim 1 , where the melting temperature of low-melt fiber is 100° C. to 185° C.

8. The fabric of claim 1 , wherein said elastic fiber is spandex elastic fiber.

9. The fabric of claim 1 , wherein said elastic fiber is polyester bi-component elastic fiber.

10. The fabric of claim 1 , wherein said fabric is heatset at the temperature lower than 180° C.

11. The fabric of claim 1 , wherein said fabric has a construction selected from the group consisting of woven, circular knit, warp knit, sock and seamless structure.

12. The fabric of claim 1 , wherein said fabric is a hosiery comprised of said nonelastic fiber, said elastic fiber and said low-melt fiber.

13. The fabric of claim 1 , wherein said fabric exhibits durability, abrasion resistance, wrinkle resistance, anti-elastane slippage, anti-laddering and running, and anti-curving.

14. A method of making fabric of claim 1 , comprising: adding low-melt fiber during yarn spinning, or yarn covering, or fabric formation process; optionally dyeing or finishing the fabric or garment; and optionally thermal fusing said fabric before, during or after garment making in predetermined locations.

15. The method of claim 14 , wherein the thermal activating process is conducted on the fabric or fabric panel before garment making.

16. The method of claim 14 , wherein the thermal fusing temperature no lower than 60° C. but no higher than 200° c.

17. The method of claim 14 , wherein the method of applying said thermal activating process is selected from the group consisting of heat pressing, laminating, oven, tent frame, ironing, stamping, molding, laser, ultrasonic and the combination thereof.

Assignments (3)
CHANGE OF NAME Recorded Sep 17, 2019
From: A&AT LLC
To: THE LYCRA COMPANY LLC
Reel/Frame 050397/0397 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 16, 2019
From: INVISTA NORTH AMERICA S.A R.L.
To: A&AT LLC
Reel/Frame 050075/0645 →
SECURITY INTEREST Recorded Feb 1, 2019
From: A&AT LLC
To: WILMINGTON TRUST (LONDON) LIMITED, AS SECURITY AGENT
Reel/Frame 048208/0120 →