Method of controlling the release of a cast plastic lens from a

Details Method of controlling the release of a cast plastic lens from a Method of controlling the release of a cast plastic lens from a

1978-02-07

1979-06-26

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Utilizing plasma, electric, electromagnetic, particulate, or...

264126, 264225, 264337, 264338, B29D 1100, B29C 104

Patent

active

041592921

ABSTRACT:
Controlling the release of cast polymeric optical lenses from a resinous optical mold by coating the resinous mold material particles with a release agent before forming the resinous material into a lens mold.

REFERENCES:
patent: 3423488 (1969-01-01), Bowser
patent: 3821333 (1974-06-01), Goodwin
patent: 3935292 (1976-01-01), Okubo et al.

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