B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
B29D 11/00 (2006.01) B29C 33/00 (2006.01)
Patent
CA 2396427
This invention provides a mold (21) for forming a contact lens including an overflow collector (38), which causes the overflow reactive mixture (23) to be accumulated, and not to spread out as it would upon the typically flat surface of a prior art mold. The invention further provides a method of preventing the formation of contaminating pieces of overflow reactive mixture by preventing the overflow reactive mixture from spreading out on the mold (21).
La présente invention concerne un moule (21) de formage de lentille de contact équipé d'un collecteur de débordement (38) provoquant l'accumulation du mélange réactif de débordement (23) pour l'empêcher de s'écouler à l'extérieur du moule comme cela se produit généralement sur la surface plate du moule selon l'état antérieur de la technique. L'invention concerne également un procédé qui, pour empêcher la formation de morceaux contaminants de mélange réactif de débordement, empêche ce dernier de s'écouler hors du moule (21).
Ansell Scott Frederick
Crowe Carl G. Jr.
Foley Kenneth W. Jr.
Krebsbach Gerald Robert
Smith Robert Macdonald
Johnson And Johnson Vision Care Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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