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:
Oct. 12, 1993
Filed:
Aug. 24, 1992
Applicant:
Inventors:
Assignee:
Queen's University, Kingston, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D / ;
U.S. Cl.
CPC ...
148219 ; 148218 ;
Abstract
A process for nitrocarburizing ferrous materials, and the product thereof is described. Material to be treated is packed in a container with a triazine polymer, preferably melone, melem or melam and heated to 500.degree.-900.degree. C. for up to 120 minutes. After treatment the material can be oil quenched to produce a product having a diffusion layer and or a relatively thick hard nitrocarburized (outer) layer which is 40-200 3/4m thick and has a hardness in the range HV 400-1500.