Process of producing polarizing optical devices and product ther

Details Process of producing polarizing optical devices and product ther Process of producing polarizing optical devices and product ther

1974-07-03

1976-07-20

McCamish, Marion E.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351163, 425110, 428174, 428213, 428412, 428 68, G02B 108, G02B 104, G02C 712

Patent

active

039703622

ABSTRACT:
A laminated optical element is produced by prepositioning a polarizing sheet, which has been coated on both sides with adhesive compatible with the encasing material, in a mold so as to accurately space the polarizing sheet from the inner mold surfaces, injecting a monomer of allyl diglycol carbonate into the mold so as to completely encase the polarizing sheet, and then curing the laminate. The process includes producing stress free castings capable of being subjected to subsequent color accepting treatment and various finishing processes. The laminated product provides a fully encased polarizing sheet with a thin layer of uniform thickness of the polymer on the front side of the polarizing sheet which may be readily finished for optical devices.

REFERENCES:
patent: 2263249 (1941-11-01), Rogers
patent: 2320375 (1943-06-01), Moulton
patent: 2387308 (1945-10-01), Styll
patent: 2397231 (1946-03-01), Barnes
patent: 3171869 (1965-03-01), Weinberg
patent: 3208902 (1965-09-01), Arond et al.
patent: 3211811 (1965-10-01), Lanman
patent: 3560076 (1971-02-01), Ceppi
patent: 3673055 (1972-06-01), Sheld
patent: 3711417 (1973-01-01), Schuler
patent: 3833289 (1974-09-01), Schuler

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