Low-noise tire

Details Low-noise tire Low-noise tire

1986-03-07

1990-06-26

Simmons, David

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152209R, B60C 1111

Patent

active

049363646

ABSTRACT:
A low-noise tire which comprising a plurality of block lines which run in the circumferential direction of the tire. The block lines include a basic block line made up of unit blocks arranged at a uniform pitch in the circumferential direction of the tire and phase-difference block lines each made up of unit blocks arranged such that the phase in the circumferential direction is shifted with respect to that of the unit blocks in the basic block line. The phase difference varies from one unit block to the adjacent one in the circumferential direction. The length of the unit block in the basic block line is smaller than that of the unit block in the phase-difference block line.

REFERENCES:
patent: 1956011 (1934-04-01), Evans
patent: 2006197 (1935-06-01), Ewart et al.
patent: 3023798 (1962-03-01), Moore et al.
patent: 3217776 (1965-11-01), Ellenrieder et al.
patent: 3286756 (1966-11-01), Ellenrieder et al.
M. G. Richards, "Automotive Tire Noise--A Comprehensive Study", Sound and Vibration, May 1974, pp. 42-47.

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