The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 07, 1999
Filed:
Jul. 31, 1997
Kunihiko Takeuchi, Conyers, GA (US);
Clayton E Torrence, Covington, GA (US);
Donald J Pederson, Lithonia, GA (US);
Walter R Curfman, Wilmington, DE (US);
Shiv Sibal, Conyers, GA (US);
Michael P Hegwood, Social Circle, GA (US);
Dwayne S Weaver, Covington, GA (US);
Fiberco, Inc., Wilmington, DE (US);
Abstract
Process and apparatus for the manufacture of polyolefin-containing fibers, preferably high-smectic content polyolefin-containing fibers, wherein a spin height of less than about 4 meters is utilized at spinning speeds of at least about 500 m/min. Further, guidance wings and/or an exhaust extensions are disclosed for various spinning systems to assist in the quenching of fibers. Fibers produced by the invention, preferably skin-core fiber, enable the production of nonwoven materials having excellent properties.