Polarizing prescription lenses and method of making

Details Polarizing prescription lenses and method of making Polarizing prescription lenses and method of making

1988-02-05

1990-05-08

Dawson, Robert A.

Stock material or miscellaneous articles

Composite

Of quartz or glass

156 99, 156246, 1563088, 264 13, 350370, 350438, 350448, 351163, 351166, B32B 1710

Patent

active

049237586

ABSTRACT:
Apparatus and a method for adhering a flexible soft polarizing film to a curved surface, such as the convex surface of a prescription eyeglass to be made into a polarizing lens is disclosed. The method involves glass-casting, and preformation of the film in a manner calculated to have a minimum hardening/drying effect. Air is excluded during lamination without the need for a vacuum and the attendant complications.

REFERENCES:
patent: 2263249 (1941-11-01), Rogers
patent: 3051054 (1962-08-01), Crandon
patent: 4261656 (1981-04-01), Wu
patent: 4311762 (1982-01-01), Spycher et al.
patent: 4536240 (1985-08-01), Winn

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