发明名称 |
Method for molding ophthalmic lenses made of plastic material |
摘要 |
A method for molding a plastic ophthalmic lens which comprises introducing a liquid polymerizable composition in a molding cavity of a two-piece mold through a filling nozzle in flow communication with the upper half of the molding cavity and spaced apart from the central vertical axis of the molding cavity up to the time the lower half of the molding cavity is filled. Then, tilting the mold to bring the filling in register with the central axis of the molding cavity and achieving full filling of the molding cavity. Thereafter, polymerizing the composition and recovering the lens.
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申请公布号 |
US6579476(B2) |
申请公布日期 |
2003.06.17 |
申请号 |
US20010814333 |
申请日期 |
2001.03.21 |
申请人 |
ESSILOR INTERNATIONAL COMPAGNIE GENERALE D'OPTIQUE |
发明人 |
BORYSLAWSKI JOSEPH;KEITA GABRIEL;TURSHANI YASSIN YUSEF |
分类号 |
G02C7/04;A61F2/16;B29C31/04;B29C39/02;B29C39/24;B29D11/00;B29L11/00;G02B3/00;(IPC1-7):B29D11/00 |
主分类号 |
G02C7/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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