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:
Mar. 28, 2017
Filed:
Apr. 27, 2012
Jose Merino Lopez, Clermont-Ferrand, FR;
Didier Vasseur, Clermont-Ferrand, FR;
Olivia Cuscito, Clermont-Ferrand, FR;
Sylvain Petit Jean, Clermont-Ferrand, FR;
Jose Merino Lopez, Clermont-Ferrand, FR;
Didier Vasseur, Clermont-Ferrand, FR;
Olivia Cuscito, Clermont-Ferrand, FR;
Sylvain Petit Jean, Clermont-Ferrand, FR;
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
MICHELIN RECHERCHE ET TECHNIQUE S.A., Granges-Paccot, CH;
Abstract
A layer of cellular material forms a running layer (A) of a tread () in which tread pattern elements () are made. In order to form the cellular material, an uncured blank is provided with a mass of material comprising p,p'-oxybis(benzenesulphonyl hydrazide) that forms a pore-forming agent. The uncured blank is placed in a vulcanization mold () comprising molding elements (). At least 95% of the molding elements () each satisfy the following two conditions: