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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.:

US 10639565 B1

PDFFull Text
Date of Patent:
May. 05, 2020

Filed:

Jan. 25, 2011

Method for producing a filter element

Applicant:

Harald Mees, Lebach, DE;

Inventor:

Harald Mees, Lebach, DE;

Assignee:

HYDAC FILTERTECHNIK GMBH, Sulzbach/SAAR, DE;

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

Michael N Orlando

Assistant Examiner:

Marta S Dulko

Int. Cl.
CPC ...
B01D 29/31 (2006.01); B23K 26/20 (2014.01); B01D 29/11 (2006.01); B01D 46/24 (2006.01); B29C 63/06 (2006.01); B01D 29/21 (2006.01); B01D 46/00 (2006.01); B29C 65/00 (2006.01); B29C 65/08 (2006.01); B29C 53/38 (2006.01); B29L 31/14 (2006.01); B29C 65/50 (2006.01); B29C 65/16 (2006.01); B29C 65/48 (2006.01);
U.S. Cl.
CPC ...
B01D 29/111 (2013.01); B01D 29/21 (2013.01); B01D 46/0001 (2013.01); B01D 46/2411 (2013.01); B29C 63/06 (2013.01); B29C 53/38 (2013.01); B29C 65/08 (2013.01); B29C 65/16 (2013.01); B29C 65/168 (2013.01); B29C 65/4815 (2013.01); B29C 65/5057 (2013.01); B29C 66/1122 (2013.01); B29C 66/4322 (2013.01); B29L 2031/14 (2013.01);
Abstract

A method for producing a filter element for filtering fluids, such as hydraulic fluids, lubricants or fuels, includes the following steps: a) providing at least one section of a filter mat web () made of one or more layers of at least one filter medium; b) connecting the ends of the at least one section to form an annular body () and placing that annular body onto a support pipe (); c) wrapping at least one cutout of a film web () around the outside of the annular body () located on the support pipe () and d) placing end areas () of the at least one cutout of the film web () one on top of the other and connecting the overlapping end areas ().

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