Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Patent
1992-09-30
1994-11-08
Ball, Michael W.
Resilient tires and wheels
Tires, resilient
Pneumatic tire or inner tube
152458, 152525, 152541, 152546, 152547, 152554, B60C 100, B60C 1300, B60C 1506
Patent
active
053618203
ABSTRACT:
An object of the present invention is to provide a pneumatic radial tire that has the carcass layer composed of a single ply of carcass cords to reduce the tire weight and improve the tire production rate and which insures a sufficiently high lateral spring constant to maintain good maneuverability. According to the present invention, the pneumatic radial tire comprises annular tread portions a pair of sidewalls that extend from opposite ends of the tread portion in the radial direction of the tire, a pair of bead portions that are provided at the ends of the sidewalls and each of which has a bead core embedded therein, a carcass layer composed of carcass cords that are arranged in the radial direction of the tire as they are folded around the bead core at each end and which extend through both sidewalls and tread portion, and breaker layers that are arranged in the external radial part of the carcass layer. The carcass layer is formed of a single ply of carcass cords.
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JP63170109-Abstract-Jul. 14, 1988, Yasumi et al.
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JP2057410-Abstract-Feb. 27, 1990, Akira et al.
Ball Michael W.
Johnstone Adrienne C.
Sumitomo Rubber Industries Ltd.
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