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:
Oct. 08, 2002
Filed:
Mar. 01, 2001
Applicant:
Inventors:
Claus Schierz, Freiberg, DE;
Bernhard Kohlsdorf, Niederschöna, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D02G 3/36 ; D02G 3/02 ;
U.S. Cl.
CPC ...
D02G 3/36 ; D02G 3/02 ;
Abstract
A yarn that expands upon heating comprises a plurality of voluminous, thermally stable individual threads or filaments, which are compacted to form a bundle and aligned in parallel, and a casing for the bundle made of a material having a lower thermal stability than the individual filaments, which decomposes upon heating. A method for producing the yarn is also provided.