Optical element forming apparatus

Details Optical element forming apparatus Optical element forming apparatus

1985-09-10

1987-10-06

Schor, Kenneth M.

Glass manufacturing

Preform reshaping means

Sheet bending mold

65305, 65323, 425400, 425808, B29D 1100

Patent

active

046980890

ABSTRACT:
An optical glass forming apparatus for molding an optical element such as a lens by pressurizing optical glass, wherein a mold for molding one functional surface (optically functional surface) of the optical element is designed to be urged against the upper edge portion of a mold for forming the other functional surface of the optical element.

REFERENCES:
patent: 2728106 (1955-12-01), Herman et al.
patent: 4113224 (1978-09-01), Clark et al.
patent: 4211384 (1980-07-01), Bourset et al.
patent: 4300821 (1981-11-01), Mignen
patent: 4347198 (1982-08-01), Ohkada et al.

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