Pneumatic radial tire for heavy loads, including four metal cord

Details Pneumatic radial tire for heavy loads, including four metal cord Pneumatic radial tire for heavy loads, including four metal cord

1990-04-12

1992-07-21

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152454, 152526, 152535, 152538, B60C 928, B60C 920, B60C 918

Patent

active

051314460

ABSTRACT:
A radial tire is comprised of a belt, disposed between a carcass and a tread, having metal cord plies including a first belt ply, a second belt ply, a third belt ply and a fourth belt ply which are arranged radially outwardly in that order, wherein the second belt ply has a curvature concentric with the curvature of a radially outer surface of the tread and a width (B2) of at least 93% of the tread width (W), and the third belt ply has a width (B3) smaller than the width (B2) and is provided at both ends with spaced parts 1.5 to 4.5 mm distance apart from the second belt ply, the third belt ply, in a central part having a width (CR) of 60 to 70% of the width (B3) and both end parts each having a width (b) of 5 to 15% of the width, the third belt ply having a curvature concentric with the curvature of the radially outer surface of the tread.

REFERENCES:
patent: 4037637 (1977-07-01), Arimura et al.
patent: 4082132 (1978-04-01), Arai et al.
patent: 4696335 (1987-09-01), Tsukagoshi et al.
patent: 4962804 (1990-10-01), Veda et al.
patent: 5042546 (1991-08-01), Forney et al.
patent: 5052457 (1991-10-01), Iida et al.

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