Liquid purification or separation – Flow – fluid pressure or material level – responsive – Check valve
Patent
1990-05-03
1991-06-18
Jones, W. Gary
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Check valve
210455, 210470, B01D 3502, B01D 3528
Patent
active
050247573
ABSTRACT:
An apparatus for removing the ice chips which are formed when a hole is cut through the ice covering of a body of water, which ice chips are suspended in the water filling the hole, includes a thin-walled tubular body having a cross sectional size and shape corresponding to that of the hole and a one-way valve in the lower end of the tubular body which opens in response to downward movement of the body into the hole to admit the water and ice chips into the body above the valve and closes in response to reverse upward withdrawal of the body from the hole to retain the ice chips therein. In the preferred embodiment, the one-way valve comprises a butterfly valve including two semicircular wing plates which are provided with a pattern of holes to allow the water to readily drain back into the hole while retaining the ice chips thereon.
REFERENCES:
patent: 625794 (1899-05-01), Newman
patent: 1066788 (1913-07-01), Bowen
patent: 1073081 (1913-09-01), Jacobson
patent: 2689651 (1954-09-01), Horsdal
patent: 3289850 (1966-12-01), Gubash
"Flipper Dipper", the Ultimate Ice Skimmer, Tackle Tamer Products, Inc. (Publication date unknown).
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