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, 2004
Filed:
Jun. 27, 2003
Applicant:
Inventor:
Christian Albert Jager, Edmonton, CA;
Assignee:
Stelco Inc., Hamilton, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 3/802 ; C22C 3/804 ;
U.S. Cl.
CPC ...
C22C 3/802 ; C22C 3/804 ;
Abstract
A grinding ball having a 55 to 65 Rockwell C hardened outer shell of tempered martensite is adapted for use in heavy duty grinding environments. The ball is stress relieved to stabilize the ball against break up and/or spalling.