Method of controlling the adhesion of cast lenses to the mold

Details Method of controlling the adhesion of cast lenses to the mold Method of controlling the adhesion of cast lenses to the mold

1979-06-28

1981-01-27

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Changing mold size or shape during molding or with shrinkage...

264225, 264337, 264349, 425808, B29D 1100

Patent

active

042474922

ABSTRACT:
A method of increasing the adhesion of a cast polymer lens to a resinous lens mold by subjecting the resinous mold material to high internal shear force to alter the molecular structure of the resinous mold material to provide for greater bonding between the mold and lens material.

REFERENCES:
patent: 2935502 (1960-05-01), Reding
patent: 3248469 (1966-04-01), Kosinsky et al.
patent: 3422168 (1969-01-01), Bowser
patent: 3830460 (1974-08-01), Beattie
patent: 4121896 (1978-10-01), Shepherd

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