Lens blocking apparatus
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United States of America Patent
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Apr 9, 1996
Grant Date -
N/A
app pub date -
Sep 7, 1993
filing date -
Sep 7, 1993
priority date (Note) -
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Abstract
An apparatus for blocking an ophthalmic lens blank for working the lens includes an alignment station for supporting and aligning the lens blank relative to a target image and a transport means for moving the lens from the alignment station to a blocking station while maintaining lens orientation. The blocking station includes a support for a lens block, support for the lens, and a mechanism for injecting heated liquid bonding material between lens and block which solidifies on cooling to join the lens and block.
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