Gasket for casting lenses

Details Gasket for casting lenses Gasket for casting lenses

1979-08-10

1980-10-14

Flint, Jr., J. Howard

Static molds

Container-type molding device

249160, 249187R, 425DIG44, 425DIG19, 425808, 264 1, B29C 100, B29D 1100

Patent

active

042276730

ABSTRACT:
A gasket for a lens casting cell designed to accommodate for casting material shrinkage during curing in the cell.

REFERENCES:
patent: 2542386 (1951-02-01), Beattie
patent: 2593456 (1952-04-01), James
patent: 3056166 (1962-10-01), Weinberg
patent: 3136000 (1964-06-01), Slyk
patent: 3161938 (1964-12-01), Graham
patent: 3278654 (1966-10-01), Grandperret
patent: 3480251 (1969-11-01), Pietrzak
patent: 3555610 (1971-01-01), Reiterman
patent: 3672807 (1972-06-01), Genz
patent: 3761208 (1973-09-01), Boudet et al.
patent: 3881683 (1975-05-01), Whitney

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