发明名称 |
Method and apparatus for manufacturing lenses and a lens manufactured thereby |
摘要 |
<p>A method of manufacturing a lens having a lens body integral with a functional sheet on one side thereof, includes an insert molding process including the steps of: placing the functional sheet as an insert in position in a mold defining a suction hole therein; and while attracting the functional sheet against a molding surface of the mold by a peripheral portion thereof by suction through the suction hole, supplying to the mold a molten plastic material for forming the lens body, to form the lens. <IMAGE></p> |
申请公布号 |
EP0940244(A2) |
申请公布日期 |
1999.09.08 |
申请号 |
EP19990102691 |
申请日期 |
1999.02.12 |
申请人 |
YAMAMOTO KOGAKU KABUSHIKI KAISHA |
发明人 |
KOBUCHI, NOBUYUKI;OKAMOTO, MASAHIKO |
分类号 |
B29C33/18;B29C45/14;B29C45/16;B29D11/00;B29L9/00;B29L11/00;G02B3/00;G02B7/12;G02C7/00;G02C7/10;(IPC1-7):B29D11/00 |
主分类号 |
B29C33/18 |
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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