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:
Apr. 30, 2002
Filed:
Apr. 11, 2001
Applicant:
Inventors:
Mario Maranca, Dortmund, DE;
Frank Bäcker, Solingen, DE;
Hans-Rochus Gross, Bergisch Gladbach, DE;
Assignee:
Barmag AG, Remscheid, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D02J 1/100 ;
U.S. Cl.
CPC ...
D02J 1/100 ;
Abstract
The invention relates to a method and an apparatus for spinning and crimping a multifilament yarn, and wherein a thermoplastic melt is extruded through a spinneret to form a filament bundle. The filament bundle is divided into a plurality of bundle components before being crimped. Each bundle component is separately crimped and combined to a multifilament yarn after being crimped. The yarn is subsequently wound to a package.