Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1976-08-10
1977-11-22
Peshock, Robert
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210522, 210157, A61C 1700
Patent
active
040588971
ABSTRACT:
A device is shown for use in a dental office or the like where particles of precious metal or amalgam are to be recovered from a flushing stream. The construction utilizes a housing for enclosing a downwardly sloping trough element through which a flushing liquid flows so that the particles of metal or amalgam can deposit in compartments formed in the trough while the flushing liquid and any residual debris which floats in the liquid flows through an outlet to a sewage disposal means.
REFERENCES:
patent: 1935461 (1933-11-01), Unkie et al.
patent: 3703467 (1972-11-01), Lummus et al.
patent: 3777403 (1973-12-01), Ritchie
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