Mold halves and molding assembly for making contact lenses

Details Mold halves and molding assembly for making contact lenses Mold halves and molding assembly for making contact lenses

1994-06-10

1996-07-30

Davis, Robert

Static molds

Container-type molding device

Of named component

249117, 264 25, 264225, 26432812, 26432816, 425552, 425808, B29C 3338, B29C 4518

Patent

active

055404103

ABSTRACT:
Disclosed are mold halves useful in molding a contact lens by polymerization of a polymerizable composition disposed between the mold halves. The mold halves are of rigid thermoplastic, preferably polystyrene, transparent to ultraviolet light.

REFERENCES:
patent: 3894710 (1975-07-01), Sarofeen
patent: 4091057 (1978-05-01), Weber
patent: 4390482 (1983-06-01), Feurer
patent: 4540534 (1985-09-01), Grendol
patent: 4565348 (1986-01-01), Larsen

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