Pneumatic radial tire with first and second damping rubber layer

Details Pneumatic radial tire with first and second damping rubber layer Pneumatic radial tire with first and second damping rubber layer

1995-11-14

1997-07-08

Johnstone, Adrienne C.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152537, 152549, 152564, B60C 900, B60C 908, B60C 914, B60C 918

Patent

active

056456620

ABSTRACT:
A pneumatic radial tire comprises a carcass comprising an outermost ply and an inner next ply, each made of organic fiber cords, a belt comprising a radially innermost ply and a radially outer next ply, each made of steel cords, a first damping rubber layer disposed between the outermost carcass ply and the inner next carcass ply, and a second damping rubber layer disposed between the outermost carcass ply and the radially innermost belt ply, the first damping rubber layer has an axial width of 0.8 to 1.2 times the axial width of the radially innermost belt ply and a thickness of 0.5 to 2.0 mm, and the second damping rubber layer has an axial width of 0.8 to 1.2 times the axial width of the radially innermost belt ply and a thickness (T2) of 0.5 to 2.0 mm, thereby the running noise is reduced without sacrificing running performance.

REFERENCES:
patent: 3052275 (1962-09-01), Hylbert, Jr.

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