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:
Apr. 06, 2021
Filed:
Oct. 31, 2017
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Mickael Rouby, Clermont-Ferrand, FR;
Christophe Bessac, Clermont-Ferrand, FR;
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
Abstract
A head (), for the co-extrusion of a complex rubber profiled element, includes a lower wall () of cylindrical profile, a first extrusion unit (B) having a first extrusion duct () divided into various sub-ducts (----), a first profiling blade () defining a first shaping profile (P) that is discontinuous, a second extrusion unit (B) including a second extrusion duct () divided into various sub-ducts (----), a second profiling blade () including at least one tooth (---) situated in the continuation of a divider (---), and this second profiling blade (P) incorporating at least one third extrusion duct, each outlet of a third extrusion duct closely adjoining a tooth (---) of the second profiling blade (), and a third profiling blade () defining a final shaping profile (P).