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Main.TEXTILES.Fibers.Elastomer Fiber..Spandex/Elastane PolyUrethane Fiber.Co.: USA. I (Producer/Patents).Patent.Claims Etc.Claim 1 Fabrics. Circular Knit Sing.gle Jersey Fabric Mfg. Method,.Bare Spandex Yarn 17-33 dtex is.Plated with Spun Filament Hard Yarn.with Yarn Count=35-85, Cover Factor.=1.3-1.9, IMPROVEMENT Control.Draft on Spandex Feed, so that.Spandex Yarn Drafted< 2.times. its.Original Length when Knit to Form.Fabric & Finishing & Drying Knit.Fabric while Maintaining Fabric at.Temp. Below Temp. To Heat Set.Spandex. Patent Assignee |