Open end spun, cotton/rayon blended yarn
January 11, 2021. Estimated 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.Patent ReferencesOpen end spun slub yarn Open end spun slub yarn Random signal generator for the manufacture of slub open end spun yarn Multi-component spun yarn and method and apparatus for manufacturing same Mixed fiber length yarn Composite yarn and method for making the same Method of producing mottled rotor spun yarn Salt-and-pepper denim Production of color blended yarn Circular knitting machine Patent #: 6082143 InventorAssigneeApplicationNo. 758151 filed on 01/11/2001US Classes:57/256With natural fibersExaminersPrimary: Calvert, John J.Assistant: Hurley, Shaun R Attorney, Agent or FirmInternational ClassD02G 003/04AbstractAn 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
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