A pneumatic tire tread has tread elements formed by circumferential and/or lateral grooves. At least one tread element has a sipe that devolves from a constant width sipe having a three dimensional aspect in at least a portion of the radially outer portion of the sipe to a wider width groove at the base of the tread feature .
申请公布号
CA2565574(A1)
申请公布日期
2007.04.30
申请号
CA20062565574
申请日期
2006.10.25
申请人
THE GOODYEAR TIRE & RUBBER COMPANY
发明人
NGUYEN, GIA VAN;DELOGNE, JOEL ANDRE GHISLAIN;SEVERENS, FRANK;COLLETTE, JEAN JOSEPH;CAMBRON, ANNE-FRANCE GABRIELLE JEANNE-MARIE
