Disposable lap blank
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 27, 1994
Issued Date -
N/A
app pub date -
Sep 23, 1993
filing date -
Jun 19, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
A lap blank and holder assembly includes a lap blank having two spaced apart flat surfaces separated by a given thickness and formed from a material capable of compressing about a member inserted into it. The holder has a projection extending outwardly from a front face thereof and is inserted into the material making up the lap to secure it against rotational and shifting movement while being cut in a surfacing machine. This arrangement further allows the assembly to be placed as an assembly in a finishing machine for subsequent polishing of a cut lens surface in an off-axis polishing procedure.
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