B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
152/77, 152/96
B60C 9/02 (2006.01) B60C 3/04 (2006.01) B60C 15/00 (2006.01) B60C 15/06 (2006.01) B60C 19/00 (2006.01)
Patent
CA 1201964
Abstract of the Disclosure A pneumatic tire for motorcycles is disclosed, which comprises a tread portion defining a maximum width of the tire, a pair of sidewall portions, a pair of bead portions, a carcass of radial or semi-radial structure composed of at least one rubberized cord ply containing organic fiber cords therein, and a belt superimposed about a crown region of the carcass and composed of at least one cord layer containing cords with a modulus of elasticity of at least 600 kgf/mm2 arranged at an angle of not more than 30° with respect to the equatorial plane of the tire, and has an aspect ratio of not more than 86%. In this tire, a ratio of a distance between a radial height of the sidewall portion and a position of a maximum width of the carcass to a radial height of the sidewall portion is not more than 20%, and both end portions of at least one rubberized cord layer constituting the carcass are wound around bead rings from inside toward outside to form turnups, and a stiffener inclusive of a tapered rubber filler having a Shore A hardness of at least 60° is disposed from an upper part of bead ring toward the tread portion. - 18 -
426443
Ohkuni Shinichiro
Tamada Shinichi
Bridgestone Tire Company Limited
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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