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:
Jun. 05, 2007
Filed:
Apr. 09, 2004
Alain Lagnier, Romagnat, FR;
Alain Lagnier, Romagnat, FR;
Michelin Recherche et Technique S.A., Granges-Paccot, CH;
Abstract
A tread of elastomeric material for tires, this tread being provided with a plurality of incisions, each incision of average width e being defined by facing walls, this tread being characterized in that at least one of the walls defining each incision comprises at least one first series and one second series of lines of motifs forming reliefs relative to said wall and having a maximum height measured perpendicular to said wall at least equal to 1/10 of the width e, each series of lines comprising a plurality of lines extending in the same direction, the lines of the first series intersecting the lines of the second series, and in that at least one of the walls is provided over its entire surface with an average roughness of between 1/100 and 1/10 of the width e of the incision.