Chemistry: electrical and wave energy – Processes and products
Patent
1983-05-12
1984-12-18
Tufariello, Thomas
Chemistry: electrical and wave energy
Processes and products
204 6, C25D 110, C25D 120
Patent
active
044889402
ABSTRACT:
For the production of dental replacement parts, a mold is produced from a starting model which mold is used for pouring a cast of the model with a low melting metal. After removal of the casting mold, this cast is inserted into a galvanic bath according to which the surfaces that are not to be coated, are covered up. At the exposed surfaces, a galvanic coating in the desired thickness is applied, whereupon the low melting metal is melted out. Dental replacement parts may be produced in this manner with a very high precision and considerable savings in material and operating time.
REFERENCES:
patent: 1082058 (1913-12-01), Wanand
patent: 2569453 (1951-10-01), Chester
patent: 2682500 (1954-06-01), Tanner
patent: 2834052 (1958-05-01), Hunn
patent: 2841548 (1958-07-01), Perlman
patent: 3431183 (1969-03-01), Regan
patent: 3567592 (1971-03-01), Wismann
patent: 3997637 (1976-12-01), Rogers
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