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

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

1982-05-18

1984-09-04

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51105LG, 51 89, B24B 1302

Patent

active

044688903

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 work-piece 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: 11592 (1897-03-01), Conrader
patent: 684362 (1901-10-01), Flora
patent: 2747337 (1956-05-01), Geula
patent: 3015196 (1962-01-01), Campbell
patent: 3528326 (1970-09-01), Kilmer et al.
patent: 3810403 (1974-05-01), Ianuzzi
patent: 3978620 (1976-09-01), Feneberg et al.
patent: 4084458 (1978-04-01), Galley

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