Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Patent
1989-01-27
1990-10-16
Ball, Michael W.
Resilient tires and wheels
Tires, resilient
Pneumatic tire or inner tube
152537, 152209NT, B60C 900, B60C 100
Patent
active
049628020
ABSTRACT:
A pneumatic vehicle tire having a radial carcass, the load-carriers of which are made of steel or of a material of comparable high strength, and the ends of which are anchored in the tire beads by being looped around pull-resistant bead cores. The tire has a centrally disposed tread strip with a recessed portion on each side, and a multi-ply belt, which to the sides extends into the recessed portions, and which has load-carriers made of steel or the like. A low-damping rubber layer can be disposed between plies of the belt. In order to achieve a further reduction of resistance to rolling, it is proposed to dispose a rubber layer, of soft, low-damping rubber, between the radially innermost ply of the belt and the radial carcass, with this rubber layer having a Shore A hardness in a range of from 50 to 65, and a rebound elasticity in a range of from 55 to 70%.
REFERENCES:
patent: 3976115 (1976-08-01), Mirtain et al.
patent: 3982579 (1976-09-01), Mirtain
patent: 4062393 (1977-12-01), Bertrand
patent: 4425953 (1984-01-01), Rohde et al.
Ball Michael W.
Continental Aktiengesellschaft
Wilber Gregory J.
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