Lens molding apparatus and method

Details Lens molding apparatus and method Lens molding apparatus and method

1987-12-15

1989-09-12

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

249142, 249160, 249175, 264 22, 425808, B29D 1100

Patent

active

048657794

ABSTRACT:
A mold and method is disclosed for the production of a lens that can be placed in or on the eye. The mold employs an inflexible ridge, preferably having a triangular cross section, on one of the mold parts. The ridge contacts the other mold part along an annular line.

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patent: 4640489 (1987-02-01), Larsen

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