Method for manufacturing a convex or concave lapping tool

Details Method for manufacturing a convex or concave lapping tool Method for manufacturing a convex or concave lapping tool

1976-01-21

1977-07-12

Arnold, Donald J.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51298A, 51309R, 264226, C09K 314, B29C 102

Patent

active

040351602

ABSTRACT:
A lapping tool for grinding or polishing glass such as optical lens having exact curvature with the lens to be worked is manufactured by pouring a liquid resin into a mold having incompatability with the liquid resin at a portion corresponding to pellets to be adhered onto a blank dish body, and then hardening the resin in the mold, while the blank dish body is being press-contacted against the mold surface thus, molding the pellets onto the tool blank. The mold is shaped to a precise curvature of the lens to be worked by means of a master lapping tool equipped with lapping pellets.

REFERENCES:
patent: 2472060 (1949-06-01), Beylerian
patent: 2651079 (1953-09-01), Michaelson et al.
patent: 3294888 (1966-12-01), Lindahl
patent: 3594963 (1971-07-01), Beasley
patent: 3657845 (1972-04-01), Sekiya

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