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US Patent 6477826 - Open end spun, cotton/rayon blended yarn
US Patent Issued on November 12, 2002
Estimated Patent Expiration Date:
January 11, 2021Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
January 11, 2021Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractAn apparatus for forming a cotton/rayon blended yam. The apparatus includes a supply of cotton fibers and a supply of rayon fibers. A blending operation line blends the cotton fibers and the rayon fibers. The fibers are then spun in an open end spinning turbine having a twist multiple of less than about 3.7 at a rotor speed of less than about 112,000 RPM. A roughing navel downstream from the open and spinning turbine distressing the surface of the cotton/rayon blended yarn to further improve the hand of yarn. The yarn is then knitted or woven into fabric and finished. The resulting fabric, and apparel made therefrom, has the advantage of having a particularly soft and luxurious hand, particularly compared to fabric knit from 100% cotton yarn.Other References
| InventorAssigneeApplicationNo. 758151 filed on 01/11/2001US Classes:57/256With natural fibersField of Search57/200, STRAND STRUCTURE57/224, Discrete fiber wrap57/252, Staple fiber blends57/253, Particular cross sections57/254, Crimped or bulked fibers57/255, Synthetic material57/256, With natural fibers57/257CoatedExaminersPrimary: Calvert, John J.Assistant: Hurley, Shaun R Attorney, Agent or FirmUS Patent References4144702, Open end spun slub yarnIssued on: 03/20/1979 Inventor: Pittman4144703, Open end spun slub yarn Issued on: 03/20/1979 Inventor: Ingham, Jr.4160359, Random signal generator for the manufacture of slub open end spun yarn Issued on: 07/10/1979 Inventor: Frentress4302925, Multi-component spun yarn and method and apparatus for manufacturing same Issued on: 12/01/1981 Inventor: Edagawa , et al.4466237, Mixed fiber length yarn Issued on: 08/21/1984 Inventor: Sawyer4698956, Composite yarn and method for making the same Issued on: 10/13/1987 Inventor: Clarke , et al.4845946, Method of producing mottled rotor spun yarn Issued on: 07/11/1989 Inventor: Deussen5330538, Salt-and-pepper denim Issued on: 07/19/1994 Inventor: Teague, et al.6023925, Production of color blended yarn Issued on: 02/15/2000 Inventor: Schnegg, et al.6082143Circular knitting machine Issued on: 07/04/2000 Inventor: Noonkester, et al. International ClassD02G 003/04 |
