UNDULATED TIRE SIPE FOR IMPROVED TIRE PERFORMANCE AND ECONOMICAL MOLD FABRICATION

A tire and a method of making a tire having a plurality of sipes (), each sipe is arranged between opposing surfaces () of the tread () within the tread thickness and each sipe having a thicker frame portion () which meets with and extends beyond and into the ground engaging surface of the tire tread and a thinner portion forming a plurality of projections on at least one of opposing sides () of the sipe thickness, the plurality of projections being spaced apart, each projection has a height no greater than the thickness of the frame portion of the sipe.