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. 10, 1982
Filed:
Sep. 24, 1979
Applicant:
Inventor:
Jean Beauchet, Veyrier du Lac, FR;
Assignee:
Societe Nouvelle de Roulements, Annecy, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
2914 / ; 2914 / ; 29420 ; 294205 ;
Abstract
This method of manufacturing composite rings for rolling-contact bearings comprises the steps of making a composite ring from a blank of bearing steel sheet and a circular rough-shaped steel body obtained by compressing a same or different steel grade used in a granular, spheroidal, pulverulent or fibrous form, by means of a sintering, forging and/or rolling operation, the final product having the sheet portion disposed in the operative area of the ring.