Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1991-06-19
1993-12-14
Lavinder, Jack
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
279111, 279126, 269900, B24B 724
Patent
active
052691020
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 a polishing procedure.
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Gerber Optical Inc.
Lavinder Jack
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