Fluid filter assembly with a fin array

Details Fluid filter assembly with a fin array Fluid filter assembly with a fin array

2006-02-21

2006-02-21

Hopkins, Robert A. (Department: 1724)

Gas separation

Plural serial basically diverse separating media

Plural stages in unitary casing

C055S457000, C055S498000, C055S502000, C055S510000

Reexamination Certificate

active

07001440

ABSTRACT:
An air filter element includes an annular filter media having an end cap with an elongated sleeve portion having a unitary array of canted fins and a unitary annular disk partially closing one end. The end cap is preferably made of high impact polypropylene. An annular gasket made of foam rubber or polyurethane is adhered to the unitary annular disk portion, preferably by a two shot molding step.

REFERENCES:
patent: 3078650 (1963-02-01), Anderson et al.
patent: 3508383 (1970-04-01), Humbert, Jr. et al.
patent: 4020783 (1977-05-01), Anderson et al.
patent: 4141700 (1979-02-01), Norton, Jr. et al.
patent: 4162905 (1979-07-01), Schuler
patent: 6423225 (2002-07-01), Wong et al.
patent: 6843377 (2005-01-01), Roll

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