Machine for machining two faces of an ophthalmic lens

Details Machine for machining two faces of an ophthalmic lens Machine for machining two faces of an ophthalmic lens

1975-07-07

1977-02-08

Smith, Al Lawrence

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51215CP, 214 1Q, B24B 4702, B24B 1302

Patent

active

040065634

ABSTRACT:
A machine for the sequential machining of two opposite faces of an ophthalmic lens comprises first and second groups of work stations for machining respective faces of the lens. Transfer means is provided for moving the lens from one group of stations to the other and turn-over means is located in the path between the groups of stations to turn the lens automatically from one face to the other.

REFERENCES:
patent: 741001 (1903-10-01), Brockett
patent: 1036399 (1912-08-01), Witt
patent: 1644369 (1927-10-01), Cruikshank
patent: 2364270 (1944-12-01), Carter
patent: 3775909 (1973-12-01), Best
patent: 3860125 (1975-01-01), Johnson
patent: 3863394 (1975-02-01), Dumentat

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