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:
Jul. 27, 1999
Filed:
Aug. 27, 1997
Applicant:
Inventor:
Heinz Schippers, Remscheid, DE;
Assignee:
Barmag AG, Remscheid, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01D / ; D01D / ; D02G / ;
U.S. Cl.
CPC ...
264103 ; 26421114 ; 26421115 ; 26421117 ; 425 722 ; 4253782 ; 4253791 ; 4253822 ; 425445 ;
Abstract
A process and apparatus for cooling freshly spun polymeric filaments as part of the formation of a multi-filament yarn, wherein the filaments are passed serially through a first cooling zone, a heating zone, and a second cooling zone. The resulting filaments have an improved elongation at break and an improved stretchability.