Method for the manufacture of lens-like articles and the like

Details Method for the manufacture of lens-like articles and the like Method for the manufacture of lens-like articles and the like

1980-07-21

1983-10-18

Whitehead, Harold D.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51105LG, B24B 100, B24B 1300

Patent

active

044097603

ABSTRACT:
An apparatus for the manufacture of lens-like articles and the like, in which two work holders are provided in a manner to be movable along a common center axis and rotatable thereabout and machining means is provided for surfacing a work or workpiece held by each of the work holders.
A method for the manufacture of lens-like articles and the like in which after machining one surface of the work held by one of the work holders, the work is transferred to the other work holder without changing the center line of machining and subjected to machining of the other surface, thereafter being subjected to edge planing.
Lens-like articles and the like which are obtained by the manufacturing method.

REFERENCES:
patent: 848335 (1907-03-01), Wimmer
patent: 2223214 (1940-11-01), Kinney
patent: 2990664 (1961-07-01), Cepero
patent: 3015196 (1962-01-01), Campbell
patent: 3773868 (1973-11-01), Bronstein
patent: 4084458 (1978-04-01), Galley
patent: 4164099 (1979-08-01), Grant
patent: 4198788 (1980-04-01), Fleetwood
patent: 4202226 (1980-05-01), Becker
patent: 4210038 (1980-07-01), Hill
patent: 4267672 (1981-05-01), Sorrells
Spriggs et al., PCT Published Application, Feb. 22, 1979, PCT/US78/00057.

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