Polarizing lens suitable for sunglasses and method of making

Details Polarizing lens suitable for sunglasses and method of making Polarizing lens suitable for sunglasses and method of making

C - Chemistry, Metallurgy

09

K

18/104, 26/197,

C09K 3/00 (2006.01) B29D 11/00 (2006.01) B32B 17/10 (2006.01) G02C 7/12 (2006.01) G02C 13/00 (2006.01)

Patent

CA 1336122

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 polariizing 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.

590098

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