Pneumatic tire with reduced running noise

Details Pneumatic tire with reduced running noise Pneumatic tire with reduced running noise

1994-03-08

1994-12-20

Aftergut, Jeff H.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152531, 152533, 152538, B60C 918, B60C 920

Patent

active

053738853

ABSTRACT:
A radial tire with reduced running noise, which comprises a belt comprising two cross plies of cords laid an angle of 10 to 40 degrees with respect to the tire equator, and a pair of axially spaced narrow dampers disposed radially outside of the belt. Each damper has a width L of 0.1 to 0.36 times the width WBO of the outer belt ply. The dampers are centered on two points P, respectively, each point P being spaced apart from the tire equator towards each side of the tire equator by a distance H of 0.1 to 0.25 times the width WBO of the outer belt ply. The axially inner edge of each damper is spaced apart from the the tire equator by a distance D of 0.05 to 0.2 times the width WBO of the outer belt ply. Each damper is formed by spirally winding a cord so that the windings or turns are substantially in parallel to the tire equator.

REFERENCES:
patent: 4202394 (1980-05-01), van der Burg
patent: 4724881 (1988-02-01), Poque et al.
patent: 5032198 (1991-07-01), Kojima et al.
patent: 5178704 (1993-01-01), Hanada et al.
patent: 5186773 (1993-02-01), Oku et al.

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