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. 22, 2014
Filed:
Oct. 22, 2012
Applicant:
Ecm Technologies, Grenoble, FR;
Inventors:
Jean Berlier, Saint Etienne de Saint Geoirs, FR;
Aymeric Goldsteinas, Voreppe, FR;
Xavier Doussot, Seyssins, FR;
Assignee:
ECM Technologies, Grenoble, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 8/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for carbonitriding a steel part arranged in an enclosure maintained at a reduced internal pressure, the part being maintained at a temperature level, comprising an alternation of first and second steps, a carburizing gas being injected into the enclosure during the first steps only and a nitriding gas being injected into the enclosure only during at least part of at least two second steps.