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. 19, 2000
Filed:
Apr. 06, 1998
Jacques Bellus, Scy-Chazelles, FR;
Gilles Baudry, Ban Saint Martin, FR;
Gilles Dudragne, Alby sur Cheran, FR;
Daniel Girodin, Marcellaz Albanais, FR;
Gerard Jacob, Montbard, FR;
Alain Vincent, Manissieu Saint Priest, FR;
Gerard Lormand, Villeurbanne, FR;
Ascometal, Puteaux, FR;
S.N.R. Roulements, Annecy, FR;
Valti Societe Anonyme pour la Frabrication de tubes Roulements, Montbard, FR;
Abstract
Steel for the manufacture of a component for bearings, the chemical composition of which comprises, by weight: 0.6%.ltoreq.C.ltoreq.1.5%; 0.4%.ltoreq.Mn.ltoreq.1.5%; 0.75%.ltoreq.Si.ltoreq.2.5%; 0.2%.ltoreq.Cr.ltoreq.2%; 0%.ltoreq.Ni.ltoreq.0.5%; 0%.ltoreq.Mo.ltoreq.0.2%; 0%<Al.ltoreq.0.05%; S.ltoreq.0.04%; the balance being iron and impurities resulting from smelting and the composition furthermore satisfying the relationships: Mn.ltoreq.0.75+0.55.times.Si and Mn.ltoreq.2.5-0.8.times.Si. Process for the manufacture of a bearing component.