Dispenser for dry application of polyacrylamide

Details Dispenser for dry application of polyacrylamide Dispenser for dry application of polyacrylamide

1994-04-22

1995-09-19

Kashnikow, Andres

Dispensing

With material treatment or conditioning means

222643, 2221851, B67D 508

Patent

active

054509858

ABSTRACT:
An apparatus dispenses dry polyacrylamide (PAM), which is very sensitive to humidity, into irrigation water for stabilizing soil to reduce erosion and maintain porosity. A tank containing PAM discharges the PAM into a feed tube leading to a distribution canister. A fan at the canister blows a stream of air across an outlet end of the feed tube to keep moist air away from the end of the tube and facilitate discharge of the PAM into the canister and out of the open bottom end of the canister into the irrigation water. The apparatus is battery powered for use in remote areas without power lines and is operated periodically by a programmable timer.

REFERENCES:
patent: 3224647 (1965-12-01), Dietert et al.
patent: 3252402 (1966-05-01), Burmeister
patent: 3260415 (1966-07-01), Minamiyama et al.
patent: 3269611 (1966-08-01), Komarek
patent: 3478926 (1969-11-01), Pfeiffer et al.
patent: 3543970 (1970-12-01), Buchner
patent: 4558805 (1985-12-01), Margison
patent: 4793244 (1988-12-01), King
patent: 5012957 (1991-05-01), Mihail

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