Expandable air filtration apparatus

Details Expandable air filtration apparatus Expandable air filtration apparatus

2006-05-02

2006-05-02

Pham, Minh-Chau T. (Department: 1724)

Gas separation

With means securing or retaining separating media

Unit or cohesive sheet-like media in flow line or frame

C055S517000, C055S516000, C055S506000, C055S511000, C055S521000, C055SDIG031, C096S026000

Reexamination Certificate

active

07037354

ABSTRACT:
An apparatus for air filtration has a pleated filter media with an expandable mesh bonded to the pleated filter media, an outer frame, an inner frame, support members disposed within the outer and inner frame wherein the support members create openings in the inner frame and outer frame, and wherein the inner frame slides within the outer frame, and wherein the pleated filter media is disposed within the outer and inner frame and is attached to the outer first side and the inner first side and can grow and expand with the apparatus as the length is adjusted.

REFERENCES:
patent: 4420315 (1983-12-01), Kershaw
patent: 5968217 (1999-10-01), Stein
patent: 6152980 (2000-11-01), Culwell
patent: 6214076 (2001-04-01), Beier
patent: 6623540 (2003-09-01), Clayton et al.
patent: 6716267 (2004-04-01), Lawlor, Sr.
patent: 6740137 (2004-05-01), Kubokawa et al.
patent: 6843820 (2005-01-01), Kubokawa

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