TIRE FOR WHEELS OF HEAVY HAULERS Russian patent published in 2014 - IPC B60C9/20 B60C9/18 B60C1/00 B60C9/28 

FIELD: transport.

SUBSTANCE: proposed tire comprises carcass including at least one carcass ply (101), breaker (105) arranged radially outward relative to said carcass. Said breaker comprises the following components: First breaker ply (105a) and second breaker ply (105b). Every of said plies comprises reinforcing cords crossing at the angle to 10-40 degrees. Third breaker ply (105c) includes cords arranged at 10-70 degrees and tread strip (106). It includes at least two inserts (104) arranged between appropriate axial edges of said breaker (105) and said tread strip (106). Every said insert includes first part (104a) converging in equatorial plane of the tire. Every said insert is made of first vulcanised elastomer including diene polymer and definite amount of reinforcing filler. Said reinforcing filler contains at least 70% of silicon dioxide.

EFFECT: higher rolling resistance.

15 cl, 2 dwg, 5 tbl