Apparatus for the preparation of eyeglass lenses, prior to the s

Details Apparatus for the preparation of eyeglass lenses, prior to the s Apparatus for the preparation of eyeglass lenses, prior to the s

1977-10-12

1979-10-02

Little, Willis

Geometrical instruments

Area integrators

Electrical

33180R, G01B 100, G02C 702

Patent

active

041693183

ABSTRACT:
Apparatus for holding a lens to define the relative positions of the optical and geometrical centers. The apparatus is provided with means for applying a reference mark to the lens or affixing a holding member allowing the shaping and/or bevelling operations for adapting the lens to an eyeglass frame in optimum conditions.

REFERENCES:
patent: 2803884 (1957-08-01), Polley
patent: 2917971 (1959-12-01), Goddu et al.
patent: 3049766 (1962-08-01), Buckminster
patent: 3368285 (1968-02-01), Buckminster et al.

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