Grinding machine for the rims of spectacle lenses

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof

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Details

51101LG, 51284E, B24B 4900

Patent

active

045570760

ABSTRACT:
The machine grinds the rims of spectacle lenses in accordance with data from an electronic data memory containing the circumferential configuration of the spectacle lens. The grinding machine is controlled by a computer.

REFERENCES:
patent: 3011291 (1961-12-01), Walton
patent: 3899851 (1975-08-01), Asselin
patent: 4027245 (1977-05-01), Bourrat
patent: 4179851 (1979-12-01), Neisler
patent: 4203259 (1980-05-01), Haddock
patent: 4214309 (1980-07-01), Korde
patent: 4217736 (1980-08-01), Akaba

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