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. 09, 2013
Filed:
Nov. 22, 2011
Applicants:
Armin Greiner, Weinheim, DE;
Klaus Veeser, Weinheim, DE;
Holger Schilling, Heitersheim, DE;
Guenter Frey, Schliengen, DE;
Ralph Berkemann, Moerlenbach, DE;
Inventors:
Armin Greiner, Weinheim, DE;
Klaus Veeser, Weinheim, DE;
Holger Schilling, Heitersheim, DE;
Guenter Frey, Schliengen, DE;
Ralph Berkemann, Moerlenbach, DE;
Assignee:
Carl Freudenberg KG, Weinheim, DE;
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/14 (2006.01); D04H 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a thermally bound non-woven material containing a low-shrinkage dual-component core-sheath fiber consisting of a crystalline polyester core and a crystalline polyester sheath which has a melting point at least 10° C. lower than the core, the heat-shrinkage characteristic of said fiber being less than 10% at 170° C.