Radial tire

Details Radial tire Radial tire

B - Operations, Transporting

60

C

B60C 1/00 (2006.01) B60C 13/00 (2006.01)

Patent

CA 2101129

The present invention provides a radial tire having improved running stability as well as excellent riding comfort and rolling resistance. The tire comprising a tread, a sidewall and a bead, said sidewall being obtained from a rubber composition comprising: (i) a rubber component consisting of 40 to 70 parts by weight of a butadiene rubber and 30 to 60 parts by weight of a natural rubber and/or an isoprene rubber, and (ii) 10 to 30 parts by weight of a short fiber and not more than 30 parts by weight of a carbon black based on 100 parts by weight of the rubber component. Not less than 90 % of the short fiber is oriented at an angle of ~20° to a circumferential direction of the tire, and a thickness of the sidewall is not more than 6 mm. Further, a ratio E*a/E*b of a complex elastic modulus E*a at an orientation direction to a complex elastic modulus E*b at a direction perpendicular to the orientation direction is not less than 3.

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