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. 25, 1978
Filed:
Apr. 05, 1976
Applicant:
Inventors:
Assignees:
Institut Textile de France, BOTH OF, FR;
Agence Nationale de Valorisation de la Recherche, BOTH OF, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29H / ;
U.S. Cl.
CPC ...
264147 ; 264171 ; 2642 / ; 264D / ;
Abstract
A method for producing crimped textile elements by extruding a bilaminate film each face of which comprises a different thermoplastic macromolecular polymer and one face of which comprises a mixture of such a polymer with a vinyl copolymer, orienting the bilaminate film by stretching, and then fibrillating the oriented film. The fibrillated film may be chopped into discontinuous fibers. The crimped products include fibrillated webs or sheets, continuous filaments and short fibers.