发明名称 MOLDS AND PROCEDURE FOR PRODUCING TRUNCATED CONTACT LENSES
摘要 Male mold member (2) and female mold member (4) define a cavity for molding thermoplastic truncated contact lenses. One mold member has a flexible, continuous, and integral rim (8) about its periphery which contacts the surface (18) of the other mold member to form the molding cavity. The rim (8) and the surface (18) of the other mold member have peripheries which comprise a circular portion connected by chords or flat portions (10 and 19) which correspond to the truncated part of the lens formed in the molding cavity.
申请公布号 WO8204221(A1) 申请公布日期 1982.12.09
申请号 WO1982US00721 申请日期 1982.05.25
申请人 NPD TECHNOLOGIES INC 发明人 HAARDT HENRY;MAGDON JOHN;NOBLE ERIC
分类号 B29D11/00 主分类号 B29D11/00
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