B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
B29D 11/00 (2006.01) B29C 33/10 (2006.01)
Patent
CA 2664859
The present invention includes molds for forming ophtalmic lenses, such as contact lens. In particular, the present invention relates to apparatus, molds and methods for fashioning an ophthalmic lens with a mold assembly that includes two or more mold parts with at least one of the mold parts (101,102) including a flange surface (107A, 107B) and a static charge apparatus (109, 110) operative to impart a static charge differential between each mold part, including the flange surface.
La présente invention concerne des moules de formation de lentilles ophtalmiques, par exemple des lentilles de contact. La présente invention concerne en particulier un appareil, des moules et des procédés destinés à former une lentille ophtalmique à l'aide d'un ensemble de moules qui contient deux pièces de moule ou plus, au moins l'une des pièces de moule présentant une surface de bride et une différence de charge statique entre chaque pièce de moule, y compris la surface de bride.
Ansell Scott F.
Yin Changhong
Johnson & Johnson Vision Care Inc.
Norton Rose Canada S.e.n.c.r.l.,s.r.l./llp
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