Patent · US Active

Wear indicator for a tire

US7784508B2 · kind B2 · utility

16Cited by

5References

35Claims

0Family size

Assignee

MICHELIN RECHERCHE ET TECHNIQUE S.A. · CH

Inventors

Preston B. Kemp, Jr. · Athens, US
Benoit Foucher · Clermont-Ferrand, FR

Key dates

Filing date	Mar 16, 2006
Grant date	Aug 31, 2010
Priority date	—
Expiry date	Jun 3, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T152/10027
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A tire tread comprising a rolling surface and at least one wear indicator formed by at least one cavity which opens onto the rolling surface, wherein the geometrical shape of the trace of the cavity on the rolling surface changes as a function of the wear level of the tread and wherein the geometrical shape of said trace is an analogical expression of the tread's wear level.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.