Apparatus and method for molding optical lenses

Details Apparatus and method for molding optical lenses Apparatus and method for molding optical lenses

2006-02-07

2006-02-07

Vargot, Mathieu D. (Department: 1732)

Plastic article or earthenware shaping or treating: apparatus

Means forming a mold; or flask, per se

Three part flask

C249S117000, C249S161000, C425S808000, C264S205000

Reexamination Certificate

active

06994538

ABSTRACT:
An apparatus and a method for molding optical lenses are disclosed. The apparatus comprises a first molding shell with a first diameter, a sealing element surrounding the first molding shell, and means for radially clamping the sealing element against the first molding shell, a second molding shell having a second diameter greater than the first diameter, and means for axially clamping the second molding shell with its inner shell surface against a radial front surface of the sealing element. This is done such a hollow cavity is enclosed between the molding shells and the sealing element. The radially clamping means and the axial clamping means are structurally distinct and independent one from the other. The axially clamping means are arranged on an outer shell surface of the second molding shell, opposite to the inner shell surface.

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patent: 6015512 (2000-01-01), Yang et al.
patent: 6419860 (2002-07-01), Magne
patent: 0 318 164 (1989-05-01), None
patent: 11-170275 (1999-06-01), None
patent: WO 01/32407 (2001-05-01), None

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