Machine for reproducing an article from a pattern

Details Machine for reproducing an article from a pattern Machine for reproducing an article from a pattern

1974-10-29

1977-02-15

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

90 134, B24B 1702

Patent

active

040075591

ABSTRACT:
A machine for reproducing an article from a pattern, wherein the pattern and the article are mounted respectively on parallel supporting shafts and driven at the same speed of rotation, and are in contact with a feeler and a tool, respectively. The two shafts are mounted on a table designed to make two perpendicular movements, namely an advance movement in a direction perpendicular to the supporting shafts and a contact movement in a direction parallel to those shafts. The invention is applicable in particular to the roughing out of toric lenses.

REFERENCES:
patent: 2330566 (1943-09-01), Edmonds
patent: 2364322 (1944-12-01), Shultz
patent: 2445971 (1948-07-01), Rosen
patent: 3040482 (1962-06-01), Schafranik
patent: 3041789 (1962-07-01), Cretin-Maitenaz
patent: 3239967 (1966-03-01), Volk
patent: 3589075 (1971-06-01), Carlson
patent: 3815288 (1974-06-01), Wilson

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