Method for the polymerization rotation casting of lenses and...

Details Method for the polymerization rotation casting of lenses and... Method for the polymerization rotation casting of lenses and...

B - Operations, Transporting

29

D

18/104

B29D 11/00 (2006.01) B29C 41/04 (2006.01) B29C 41/38 (2006.01) B29C 41/50 (2006.01)

Patent

CA 1330855

ABSTRACT OF THE DISCLOSURE: A method for the polymerization rotation casting of lenses containing a convex and concave surface in molds being placed in a rotation mechanism, where the convex surface of the lens is formed by the rotation of a liquid having a higher specific weight than that of monomer mixture and is immiscible with the monomer mixture and also with its individual components. The concave surface of the lens is formed by a convex surface of the mold while the remaining space of the mold is filled with the liquid having a higher specific weight. The method for the rotation casting may be carried out both in a column arrangement of molds and in single separate mold. And an equipment for carrying out this method.

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