Gas and liquid contact apparatus – Contact devices – Liquid tank
Reexamination Certificate
2007-12-25
2007-12-25
Bushey, Scott (Department: 1724)
Gas and liquid contact apparatus
Contact devices
Liquid tank
C261SDIG070
Reexamination Certificate
active
11258373
ABSTRACT:
The present invention provides an aeration device made up of a rectangular elastic porous body, a support base supporting the elastic porous body from below and having an orifice for pressurized air, and a securing component which secures the elastic porous body to the support base integrally, wherein the support base contains a supporting portion supporting the elastic porous body from below and an attaching portion connected to the supporting portion and attaching the supporting portion to a pressurized air distribution pipe, the rectangular elastic porous body having a box shape having an opening portion, and the supporting portion being disposed in an elastic porous body. In addition, the present invention provides an aeration system made up of two or more of the above described aeration devices installed on a pressurized air distribution pipe, wherein each aeration device is disposed contacting mutually with no space between them.
REFERENCES:
patent: 4960546 (1990-10-01), Tharp
patent: 5015421 (1991-05-01), Messner
patent: 5330688 (1994-07-01), Downs
patent: 5676890 (1997-10-01), Ott
patent: 5693265 (1997-12-01), Jager et al.
patent: 5762835 (1998-06-01), Bassfeld
patent: 5858283 (1999-01-01), Burris
patent: 6345812 (2002-02-01), Jager et al.
patent: 6464211 (2002-10-01), Downs
patent: 6811148 (2004-11-01), Frankel et al.
patent: 2002/0140116 (2002-10-01), Tharp
patent: 2002/0149123 (2002-10-01), Edel et al.
patent: 2004/0124550 (2004-07-01), Casper et al.
patent: 06-071288 (1994-03-01), None
patent: 2003-1290 (2003-01-01), None
patent: 2003-24974 (2003-01-01), None
Design Manual, Fine Pore Aeration Systems, Chapter 2, Fine Pore Diffuser Characteristics, EPA/625/1-89/023, Sep. 1989, pp. 3-36.
Bushey Scott
Daicen Membrane-Systems, Ltd.
Flynn ,Thiel, Boutell & Tanis, P.C.
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