Cleaning and liquid contact with solids – Apparatus – With plural means for supplying or applying different fluids...
Patent
1988-08-05
1990-01-09
Coe, Philip R.
Cleaning and liquid contact with solids
Apparatus
With plural means for supplying or applying different fluids...
118302, 118317, 134169R, 137240, 239305, 239333, 239390, B08B 302, B08B 900
Patent
active
048921122
ABSTRACT:
The invention relates to a hand tool for the care of dental instruments which is connectable at its inlet to a pressurized gas source and at its outlet to the inlet sleeve of the dental instrument to be serviced, which hand tool is provided with at least one container for receiving the agent and connected to the presurized gas line leading form the inlet to the outlet of the hand tool. It is the object of the invention to permit a troublefree metering in of even highly viscous agents for the care of the instrument and the dispensing of various amounts of the agents. This object is achieved by providing a pressure control valve from which a pressurized gas line leads to the outlet of the hand tool downstream of the inlet of the hand tool and by providing at least one pump for conveying the agent, the intake line of the pump being connected with the at least one container for receiving the agent and the pressure line being connected with the pressurized gas line leading to the outlet of the hand tool in a site downstream of the pressure control valve and upstream of the outlet of the hand tool.
REFERENCES:
patent: 2201080 (1940-05-01), Clark
patent: 2420109 (1947-05-01), Thompson
patent: 2647526 (1953-08-01), Casady et al.
patent: 2959358 (1960-11-01), Vork
patent: 3625231 (1971-12-01), Littrell, Jr.
patent: 3811408 (1974-05-01), Thompson
Coe Philip R.
Ogussa Osterreichische Gold-und Siber Scheideanstalt Scheid und
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