SURFACE COATED FILTER AND METHOD - BALDWIN FILTERS INC

Title:

SURFACE COATED FILTER AND METHOD

Document Type and Number:

WIPO Patent Application WO/2017/142789

Kind Code:

A3

Abstract:

A filter element is provided. The filter element includes a filter media pack including an outer surface. The outer surface extending between a first flow face and a second flow face. The filter element also includes a polymeric coating applied to the outer surface of the filter media pack, wherein the polymeric coating is not a molded structure. In embodiments, the polymeric coating covers at least 25% of a span between the first flow face and the second flow face and has an average thickness of between 0.005 and 0.100 in. In other embodiments, the polymeric coating has a surface roughness of at least 50 µin to provide an outer gripping surface. A method and system for applying the polymeric coating to the filter element are also provided.

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Inventors:

KRULL TIMOTHY L (US)
EPPERSON MATTHEW K (US)
POKORNEY DANIEL P (US)
VON SEGGERN MICHAEL J (US)

Application Number:

PCT/US2017/017202

Publication Date:

November 16, 2017

Filing Date:

February 09, 2017

Export Citation:

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Assignee:

BALDWIN FILTERS INC (US)
KRULL TIMOTHY L (US)
EPPERSON MATTHEW K (US)
POKORNEY DANIEL P (US)
VON SEGGERN MICHAEL J (US)

International Classes:

B01D39/14; B01D46/52

Foreign References:

US6280824B1	2001-08-28
US20100147760A1	2010-06-17
US20020073667A1	2002-06-20
US20130001154A1	2013-01-03
US20100192530A1	2010-08-05

Other References: