Fluid handling – With holder for solid – flaky or pulverized material to be...
Patent
1986-08-01
1987-09-08
Cohan, Alan
Fluid handling
With holder for solid, flaky or pulverized material to be...
422264, 422282, B01D 1102
Patent
active
046917322
ABSTRACT:
There is disclosed a device for dispensing a chemical wherein a stack of dry chemical tablets are contained within a receptacle. Sealing means are provided to seal around each tablet and the inner wall of the canister so that only the upper surface of the top tablet is exposed to the circulating water. The tablets are not exposed to the flowing water until the tablets above have been eroded away successively to provide leak paths around them.
REFERENCES:
patent: 2113203 (1938-04-01), Straubel
patent: 3195558 (1965-07-01), Klueber
patent: 3482740 (1969-12-01), Evans
patent: 4333493 (1982-06-01), Beiswenger
patent: 4350666 (1982-09-01), Klutts
patent: 4402912 (1983-09-01), Krueger
patent: 4584106 (1986-04-01), Held
Falconer Ralph A.
Johnson Bruce R.
Cohan Alan
Jandy Industries, Inc.
Stidham Melvin R.
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