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:
Sep. 29, 2020
Filed:
Apr. 21, 2016
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Arnaud Verleene, Clermont-Ferrand, FR;
Laurent Bucher, Clermont-Ferrand, FR;
Olivier Giroux, Clermont-Ferrand, FR;
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Abstract
A steel wire has a microstructure that is completely ferritic, a mixture of ferrite and cementite or a mixture of ferrite and pearlite and has a weight content of carbon C such that C<0.05% and a weight content of chromium Cr such that Cr<12%. The process for drawing the wire comprises: at least one first uninterrupted series of steps of drawing the wire from a diameter D to a diameter d', at least one second uninterrupted series of steps of drawing the wire of diameter d′ to a diameter d, and one or more intermediate steps between the first and second uninterrupted series of steps of drawing the wire, the wire having a temperature less than or equal to 300° C. during the or each intermediate step.