Process and apparatus for casting lenses

Details Process and apparatus for casting lenses Process and apparatus for casting lenses

B - Operations, Transporting

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B29D 11/00 (2006.01) B29C 43/02 (2006.01) B29C 43/58 (2006.01) B29C 65/22 (2006.01) B29C 33/00 (2006.01)

Patent

CA 1258756

ABSTRACT PROCESS AND APPARATUS FOR CASTING LENSES The invention provides a process for casting lenses using male and female mould halves, which comprise placing a polymerisable liquid composition into the female mould half, introducing a male mould into the female mould along a substantially vertical axis until the male mould touches the surface of the liquid composition and then allowing the male mould to fall under its own weight into the female mould half and curing or allowing the polymerisable composition to cure.

587618

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