Device for aerating water

Details Device for aerating water Device for aerating water

1988-03-25

1989-07-18

Miles, Tim

Gas and liquid contact apparatus

Contact devices

Liquid tank

B01F 304

Patent

active

048491390

ABSTRACT:
A device for aerating water, and including a rigid, essentially planar support member, and thereupon a plate of elastomeric material that is provided with fine slits for the release of air. The underside of the support member is provided with one or more connectors for supplying air between the support member and the plate. The rim of the plate is pressed in an airtight manner from above against the support member by a profiled annular frame that is secured by screws to the support member. The frame has a flat portion via which it rests against the plate, and also has an annular reinforcing rib that is directed upwardly away from the plate, so that the frame has an L-shaped or T-shaped cross-sectional shape. The frame also has an outer peripheral portion for receiving fastening screws.

REFERENCES:
patent: 1216495 (1917-02-01), Reese
patent: 1247540 (1917-11-01), Jones
patent: 1731779 (1929-10-01), Houston
patent: 1792286 (1931-02-01), Curry et al.
patent: 1873843 (1932-08-01), MacDonald
patent: 1994205 (1935-03-01), Yalch
patent: 2659582 (1953-11-01), Sandor
patent: 4631134 (1986-12-01), Schussler

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