Pneumatic tire with noise damper

Details Pneumatic tire with noise damper Pneumatic tire with noise damper

2006-03-30

2009-02-17

Johnstone, Adrienne C (Department: 1791)

Resilient tires and wheels

Tires, resilient

With balancing feature

C152S450000

Reexamination Certificate

active

07490644

ABSTRACT:
A pneumatic tire comprises a main body including a tread portion, a pair of sidewall portions, a pair of bead portions each having a bead core therein, a carcass extending between the bead portions through the sidewall portions and the tread portion, a light spot in the tire circumferential direction and an opposite spot of the light spot, and a noise damper made of a spongy material having a specific gravity in the range of from 0.005 to 0.060 and attached to an inner surface of the tread portion, the noise damper extending in the tire circumferential direction so as to form a gap part between ends thereof, and a center of the gap part is placed within an angle of 60 degrees from the opposite spot in the tire circumferential direction.

REFERENCES:
patent: 2193734 (1940-03-01), MacCracken
patent: 6581658 (2003-06-01), Nakajima et al.
patent: 6726289 (2004-04-01), Yukawa et al.
patent: 7182114 (2007-02-01), Yukawa
patent: 2005/0155686 (2005-07-01), Yukawa et al.
patent: 1 219 944 (2002-07-01), None
patent: WO-03/103989 (2003-12-01), None
Webster's New World Dictionary of American English, Third College Edition, ed. Victoria Neufeldt and David Guralnik, Simon & Schuster, Inc., New York, 1988, p. 1509.

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