Pneumatic tires for motorcycles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 17, 1987
Issued Date -
N/A
app pub date -
Dec 9, 1985
filing date -
Apr 23, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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/mm.sup.2 arranged at an angle of not more than 30.degree. 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.degree. is disposed from an upper part of bead ring toward the tread portion.
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