Method of filling a mold for manufacturing an optical lens

Details Method of filling a mold for manufacturing an optical lens Method of filling a mold for manufacturing an optical lens

1995-01-10

1997-09-02

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

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

425808, B29D 1100

Patent

active

056628390

ABSTRACT:
A mold for making an optical lens and formed of two molding shells disposed on edge and an annular closure member around their periphery and defining with them a molding cavity. To fill the mold a molding material is introduced into the molding cavity through a casting opening formed for this purpose in the closure member. The casting opening is in the lower part of the molding cavity.

REFERENCES:
patent: 2542386 (1951-02-01), Beattie
patent: 3938775 (1976-02-01), Sarofeen
patent: 4257988 (1981-03-01), Matos et al.
patent: 5110514 (1992-05-01), Soane

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