Automatic lens grinding apparatus

Details Automatic lens grinding apparatus Automatic lens grinding apparatus

1984-12-07

1987-05-05

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 4, 51235, B24B 1302

Patent

active

046621199

ABSTRACT:
Lenses are successively and continuously fed to first precision grinding and cutting device wherein they are ground. Thereafter, the lenses are automatically conveyed to a second grinding and polishing device wherein they are further polished, and finally the lenses are automatically removed, washed and discharged from said apparatus.

REFERENCES:
patent: 2715796 (1955-08-01), Beard
patent: 3555737 (1971-01-01), Terakado et al.
patent: 3913271 (1975-10-01), Boettcher
patent: 4173848 (1979-11-01), Ikeno

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