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:
Aug. 07, 1979
Filed:
Feb. 13, 1978
Applicant:
Inventor:
Charles Schepacz, Firminy, FR;
Assignee:
Centre Technique des Industries Mecaniques, Senlis, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25F / ; C25F / ;
U.S. Cl.
CPC ...
20412975 ; 2041298 ;
Abstract
An electric current is passed through an electrolyte having a neutral pH, between an inert tool-electrode and the alloy which is to be machined to the shape of the tool-electrode. The electrolyte contains fluoride and/or fluoborate ions as well as complexing ions both for the carbide-phase metal or metals of the alloy and for the metallic-phase metal or metals of the alloy.