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. 21, 2017
Filed:
Oct. 15, 2010
Nicolas Dautrey, Ota, JP;
Yasuhiko Futamura, Arao, JP;
Ludovic Greverie, Ota, JP;
Yuji Kanno, Ota, JP;
Gael Roty, Ota, JP;
Nanae Shimanaka, Kyoto, JP;
Nicolas Dautrey, Ota, JP;
Yasuhiko Futamura, Arao, JP;
Ludovic Greverie, Ota, JP;
Yuji Kanno, Ota, JP;
Gael Roty, Ota, JP;
Nanae Shimanaka, Kyoto, JP;
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
MICHELIN RECHERCHE ET TECHNIQUE S.A., Granges-Paccot, CH;
Abstract
A tread for a pneumatic tire in which air column resonance sound is reduced and wear of the groove fences and tread portion are caused to be approximately the same, while drainage performance is maintained, wherein a plurality of groove fences are formed and are installed within at least one circumferential groove, extending from the bottom of the circumferential groove, and block at least 70% of the cross-sectional area of the circumferential groove, and the bending parameter of the groove fences, defined as E·I/(h3l) (where E is the modulus at 10% elongation of the material used for the groove fences, I is the second moment of area of the groove fence, h is the height of the groove fence, and l is the width of the groove fence) is at least equal to 250 Pa and at most equal to 350 Pa.