Aeration tubing system

Details Aeration tubing system Aeration tubing system

1975-06-16

1976-10-26

Miles, Tim R.

Gas and liquid contact apparatus

Contact devices

Liquid tank

239534, B01F 304

Patent

active

039883965

ABSTRACT:
An aeration system comprising a long resilient plastic tube having a plurality of aeration slit valves therein, a control means connected about the outside of said tube to control the size of the aeration slit valve openings when the tubing is under pressure, and a second tube encompassing the first tube and the control means. The second tube also includes a plurality of slit or perforated type openings therein. Said aeration system providing a non-floating, weighted aeration system having a controlled aeration flow of air out through the slits in said tubing system along length of system and may include a smooth outer diameter surface to prevent material from snagging on said tubing system when placed in a sewage system.

REFERENCES:
patent: 2771320 (1956-11-01), Korwin
patent: 2814529 (1957-11-01), Arnt
patent: 3186644 (1965-06-01), Ross et al.
patent: 3293861 (1966-12-01), Hinde
patent: 3525685 (1970-08-01), Edwards
patent: 3677936 (1972-07-01), Bastiaanse
patent: 3698195 (1972-10-01), Chapin
patent: 3736755 (1973-06-01), Hammond

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