Composite yarn and method for making the same
Patent 4698956 Issued on October 13, 1987. Estimated Expiration Date: 
May 29, 2006. 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.
May 29, 2006. 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 References 2260229 2305312 3492804 3596458 3605395 3650104 3768246 3822543 3864902 Blended yarn containing active carbon staple fibers, and fabric woven therefrom Patent #: 4457345 InventorsAssigneeApplicationNo. 06/867942 filed on 05/29/1986US Classes:57/2, Stapilizing57/255, Synthetic material57/315, With drafting57/350, With fluid jet57/351, With other type crimping or texturing57/403, Fluid57/405With strand controlled stoppingExaminersPrimary: Watkins, DonaldAttorney, Agent or FirmInternational ClassesD01G 1/08 (20060101)D01H 4/00 (20060101) D01G 1/00 (20060101) D01H 4/30 (20060101) AbstractA continuous process of making a blended yarn of staple fiber and long-fiber or filamentary material in which the long-fiber or filamentary material is passed through a rupture zone to produce lengths thereof which are fed directly into an air stream with the staple fibers to produce an intimate blend which is conveyed by the air stream directly to an open end spinning device which produces the yarn. | |
