Rapid method for the etching and cleaning of dental casting meta

Details Rapid method for the etching and cleaning of dental casting meta Rapid method for the etching and cleaning of dental casting meta

1982-09-20

1984-01-10

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

20412975, 2041445, 204222, 204273, C25F 104, C25F 302, C25F 700

Patent

active

044252048

ABSTRACT:
A process for rapidly etching and cleaning dental metal castings which result in a saving of time to the dentists of as much as 1000 percent as compared to prior art methods. A bath combining both etchant and cleaners is applied to the dental casting and agitated ultrasonically. A deplating current is simultaneously passed through the casting and the bath to further increase the rate at which the cleaning and etching process may progress. This procedure results in a combined cleaning and etching process which is faster than was possible previously for either process alone.

REFERENCES:
patent: 2482486 (1949-09-01), Irish
patent: 2702260 (1955-02-01), Massa
patent: 2780594 (1957-02-01), Dailey
patent: 2861932 (1958-11-01), Pohl
patent: 2888939 (1959-06-01), Nitsche
patent: 3066084 (1962-11-01), Osterman, Jr.
patent: 3411999 (1968-11-01), Weinberg
patent: 3497445 (1970-02-01), Berglund
Metal Finishing, vol. 77, No. 13 Jan. 1979 p. 128.

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