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:
Dec. 12, 2000
Filed:
Jul. 28, 1999
Applicant:
Inventors:
Vimal Pujari, Northboro, MA (US);
William Collins, Auburn, MA (US);
Assignee:
Saint-Gobain Ceramics & Plastics, Inc., Worcester, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C / ;
U.S. Cl.
CPC ...
384492 ; 3849071 ; 384913 ;
Abstract
This invention relates to an all-ceramic bearing having wherein the fracture toughness and hardness values of the rings and roller elements are adjusted to produce pseudo-plastic contact, high resistance to roller contact fatigue and high resistance to wear.