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. 02, 2002
Filed:
Sep. 02, 1999
Applicant:
Inventors:
Martin Skov, Walddorfhaslach, DE;
Heinz Wandel, Walddorfhaslach, DE;
Assignee:
Moldex-Metric, Inc., Culver City, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/116 ;
U.S. Cl.
CPC ...
B32B 3/116 ;
Abstract
A method and an apparatus for producing a thermoplastic filter material laid in folds, with the folds fixed in close vicinity. The thermoplastic filter material which has been heated for forming the folds is accumulated within a cooling path such that the folds are pushed together and fixed by cooling with respect to their shape.