Lens blocker and method

Details Lens blocker and method Lens blocker and method

1982-09-16

1984-10-30

Parker, Roscoe V.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51284E, 33174A, 279 1M, B24B 914, B24B 100, B24B 1300

Patent

active

044793324

ABSTRACT:
An improved method and apparatus for blocking semifinished lenses by the adjustment of each such lens until it occupies a prescribed position where an alloy hub or "block" is removable affixed to the lens by an adhesive pad so that the lens can be held for finishing, is characterized by magnetically securing the block to a chuck for carrying and affixing the block to the lens. The block may quickly and simply be secured to the chuck merely by being extended therein without the need for any mechanical devices, and upon being affixed to the lens is readily separable from the chuck upon withdrawal of the chuck therefrom.

REFERENCES:
patent: 2620731 (1952-12-01), Slonneger
patent: 4138085 (1979-02-01), Bicskei
patent: 4227349 (1980-10-01), Bicskei
patent: 4229911 (1980-10-01), Bicskei

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