Process for imparting scratch resistance to ophthalmic lenses du

Details Process for imparting scratch resistance to ophthalmic lenses du Process for imparting scratch resistance to ophthalmic lenses du

1994-10-25

1995-09-19

Yoder, Michele K.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 99, 156101, 156252, 156257, 451 43, 65 61, B32B 3118

Patent

active

054512816

ABSTRACT:
A process for imparting scratch resistance to an ophthalmic lens during the process of edging. A scratch resistance imparting film is releasably adhered to the side of the lens to which a mounting block is to be attached. An opening is provided in the film, through which the mounting block can be affixed directly to the lens.

REFERENCES:
patent: 3899314 (1975-08-01), Siegmund
patent: 4118898 (1978-10-01), Godot
patent: 4156328 (1979-05-01), Keane, Jr.
patent: 4178082 (1979-12-01), Ganswein et al.
patent: 4217736 (1980-08-01), Akaba et al.

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