TIRE FOR DAMP ROAD Russian patent published in 2012 - IPC B60C11/03 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry. Tire 1 comprises tread 2 with pattern 3 including first and second pattern extending along tire circle to make module 5 with smaller pattern spacing and module 8 with larger pattern spacing. Note here that all modules comprise first groove 15 with initial section 32 and section 34 with larger cross-section, both sections extending from outer axial first end 30 toward opposite axial second end 31. Note here that section 34 is dead section on, at least, it iner axial side in zone of contact spot. Initial section and that with larger cross-section have first width W1 and second width W2, respectively, and feature module 5 W2-to-W1 ratio exceeding that of module 8.

EFFECT: higher tire rod grip.

36 cl, 2 dwg