Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1987-07-23
1992-03-03
Echols, P. W.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
433 25, 433213, 36447405, E21F 4300
Patent
active
050920227
ABSTRACT:
After the shape of the zone of implantation in the mouth is obtained by direct impression, micro-sensing or optical impression, a prosthesis or a mold for making a prosthesis is automatically machined by machine tool at a work center with the assistance of a calculator or computer which takes into consideration the shape obtained, the material or materials which are to be shaped, and other parameters such as thicknesses and the like which are essential to the proper shape and configuration of the prosthesis which is thus fabricated. The prosthesis can be a crown, bridge or part or assembly of both.
REFERENCES:
patent: 2635338 (1953-04-01), Dallenbach
patent: 2774141 (1956-12-01), Quinn
patent: 3861044 (1975-01-01), Swinson, Jr.
patent: 4324546 (1982-04-01), Heitlinger
patent: 4575805 (1986-03-01), Moermann et al.
Dubno Herbert
Echols P. W.
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