Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1982-04-30
1986-12-09
Goldberg, Howard N.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
219 69M, 433218, 433223, B23P 1302
Patent
active
046271368
ABSTRACT:
A method of manufacturing of artificial teeth, in which a primary and a secondary part of the artificial tooth or the denture are preformed, then grooves for receiving a connecting element are produced in both parts by sparking erosion, and the connecting element is inserted thereafter into the secondary and primary parts. In order to precisely align the grooves in both parts of the denture those grooves may be formed by sparking erosion in one working step.
REFERENCES:
patent: 2194790 (1940-03-01), Gluck
patent: 3685115 (1972-08-01), Scott
patent: 4100388 (1978-07-01), Meyer
patent: 4363627 (1982-12-01), Windeler
Kreylos Hans-Albert
Zeiser Manfred P.
Echols P. W.
Goldberg Howard N.
Ruebeling Guenter
Striker Michael J.
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