Contact lens casting mould

Details Contact lens casting mould Contact lens casting mould

1992-08-06

1993-10-12

Nguyen, Khanh P.

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With shrinkage compensation means

249121, 249134, 264 22, 425808, B29C 3940, B29D 1100

Patent

active

052520560

ABSTRACT:
A contact lens casting mould includes two casting mould halves. A concave shaping surface (11) is constructed on a female part (1) and a convex shaping surface (21) on a male part (2). When joined together, the two casting mould halves (1 and 2) adhere by frictional connection.

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patent: 4815690 (1989-03-01), Shepherd
patent: 5015280 (1991-05-01), Kimoto et al.
patent: 5087015 (1992-02-01), Coalley

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