Lens-casting cell

Details Lens-casting cell Lens-casting cell

1977-07-05

1978-04-25

Flint, Jr., J. Howard

Static molds

Container-type molding device

Of named component

249117, 249154, 249163, 425808, B29C 100, B29D 1100

Patent

active

040859193

ABSTRACT:
A cell for casting resinous ophthalmic lenses including an annular gasket of resilient material and a pair of meniscus glass mold halves between which a lens may be cast. The mold halves are loaded into one side of the gasket annulus, one fully entered and seated against an inwardly directed locating flange and the other peripherally snapped into an annular receiving groove spaced away from the flange.

REFERENCES:
patent: 2890486 (1959-06-01), Crandon
patent: 3278654 (1966-10-01), Geardperret
patent: 3555611 (1971-01-01), Reiterman
patent: 3902693 (1975-09-01), Crandon et al.

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