Optical device molding apparatus and method, and optical device

Details Optical device molding apparatus and method, and optical device Optical device molding apparatus and method, and optical device

1997-12-18

1999-11-02

Vincent, Sean

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

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

65 291, 65102, 264 11, B29D 1100

Patent

active

059764252

ABSTRACT:
Lens surfaces are transferred by press-molding a glass material (16) by an upper mold (1) and a lower mold (2). After the lens surfaces are transferred, the outer circumferential portions of the upper and lower molds (1, 2) are clamped and pressed sideways to correct a shift between the optical axes of the transfer molding surfaces of the upper and lower molds (1, 2) and an inclination of the optical axes.

REFERENCES:
patent: 3761208 (1973-09-01), Boudet et al.
patent: 5160362 (1992-11-01), Yamamoto et al.
patent: 5178801 (1993-01-01), Shimizu et al.
patent: 5215566 (1993-06-01), Yamamoto et al.
patent: 5228894 (1993-07-01), Sato et al.
patent: 5435818 (1995-07-01), Mashige et al.
patent: 5604549 (1997-02-01), Mashige et al.

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