PNEUMATIC TIRE Russian patent published in 2010 - IPC B60C11/04 B60C11/12 

FIELD: transport.

SUBSTANCE: invention relates to transport machine building. Proposed tire comprises tread section that comprises: first main groove that runs along the tire circumference, second main groove running along the tire circumference in shoulder zone closer to vehicle center than aforesaid first main groove and third main groove running along tire circumference in shoulder zone further from vehicle center than said first main groove, and multiple grouser grooves, each running from one shoulder zone to another one. First contact section width constructed by first and second main grooves is set to exceed that of second contact section constricted by first and third main grooves. Multiple inclined grooves are arranged in first contact section. Note here that every inclined groove is connected with at least three grouser grooves and, at the same time, is inclined along tire circumference. One end of every inclined groove is open towards one grouser groove, while its other end terminates inside the block.

EFFECT: better driving conditions and tire wear resistance on dry road surfaces, improved running conditions on snow.

10 cl, 7 dwg