发明名称 |
Precision blocking of lens blanks |
摘要 |
Method and apparatus for the precision blocking of lens blanks using a holder to de-center the blank and fix its optical axis. The holder is then used to position the blank with respect to a blocker by which an alloy hub or "block" is removably affixed to the blank so that it can be properly gripped for conversion into a finished lens product.
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申请公布号 |
US4138085(A) |
申请公布日期 |
1979.02.06 |
申请号 |
US19770763191 |
申请日期 |
1977.01.31 |
申请人 |
BICSKEI, BELA J. |
发明人 |
BICSKEI, BELA J. |
分类号 |
B23Q17/22;B24B13/005;(IPC1-7):B22D19/00;B23Q17/00;B25B1/24;G01B9/00 |
主分类号 |
B23Q17/22 |
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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