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:
Jan. 27, 2004
Filed:
Nov. 22, 1996
Applicant:
Inventors:
Udo Michaelis, Weiterstadt, DE;
Dieter Linse, Schwetzingen, DE;
Jörgen Knudsen, Angelbachtal, DE;
Assignee:
Firma Carl Freudenberg, Weinheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 4/514 ;
U.S. Cl.
CPC ...
B29C 4/514 ;
Abstract
A method for manufacturing an accordion filter insert in which an accordion filter pack is introduced into a mold and a space remaining thereafter in the mold is filled with a liquefied polymer material so as to form a frame surrounding the accordion filter pack. At least one peripheral elastically deformable sealing lip, consisting of the material of the frame, is produced together with the frame and is consolidated concurrently therewith.