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:
Oct. 04, 2005
Filed:
Aug. 24, 2000
Didier Calvar, Beaumont, FR;
Serge Nicolas, Clermont-Ferrand, FR;
Daniel Bardy, Clermont-Ferrand, FR;
Didier Calvar, Beaumont, FR;
Serge Nicolas, Clermont-Ferrand, FR;
Daniel Bardy, Clermont-Ferrand, FR;
Compagnie Generale des Etablissements Michelin-Michelin & CIE, Clermont-Ferrand Cedex, FR;
Abstract
A tire having a tread composed of two non-conductive layers, each layer containing a circumferential insert of conductive mix, the inserts having a wider interface at the interface of the two layers. An apparatus for extruding a layer, provided with a conductive insert, including a main extruder for extruding a non-vulcanized, non-conductive layer, and a micro-extruder having an extrusion head, provided at its end with a nozzle, for extruding a conductive insert in the layer.