The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 29, 1980
Filed:
Apr. 28, 1978
Applicant:
Inventor:
Jean-Paul Briffod, Monnetier-Mornex, FR;
Assignee:
Ateliers des Charmilles S.A., Geneva, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23P / ;
U.S. Cl.
CPC ...
219 / ;
Abstract
An EDM apparatus for cutting a groove in the wall of a recess in an electrode workpiece by means of an electrode tool. One of the electrodes is mounted on a movable support displaceable along the feed axis and along a path in the plane perpendicular to the feed axis, the other electrode being mounted on a movable support displaceable on the feed axis from a pre-determined reference position.