Contact lens orientation method and apparatus

Details Contact lens orientation method and apparatus Contact lens orientation method and apparatus

1990-04-12

1992-02-04

Meislin, D. S.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51217L, 51284R, 279 46R, 279 41R, 82 12, B23B 300

Patent

active

050850130

ABSTRACT:
An improved method of making contact lenses that involves using an improved arbor for holding the lens. The arbor assembly includes the use of a surrounding ring having a diametrical slot that mates with pins on various orientation and cutting machines to allow operators of these machines to easily and precisely align certain marked features of the lens blank in relation to features of the various cutting machines. The marking is done with a mechanical marker for more accurate marks of the features.

REFERENCES:
patent: 2441472 (1948-05-01), d'Avaucourt
patent: 3100955 (1963-08-01), Kratt
patent: 3501842 (1987-03-01), Beasley
patent: 3662040 (1972-05-01), Urbach et al.
patent: 4679471 (1987-07-01), Wauchope et al.

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