Pneumatic tire including pitches

Details Pneumatic tire including pitches Pneumatic tire including pitches

1994-12-02

1997-04-08

Maki, Steven D.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

B60C11300

Patent

active

056183607

ABSTRACT:
A pneumatic tire having a tread portion capable of reducing the running noise. The tread portion is provided with a circumferentially extending main groove and lateral grooves extending from the main groove towards one side thereof, the circumferential pitches of the lateral grooves including at least two different pitches. The width of the main groove at the groove top is substantially constant along its length, but the sectional area is changed along its length such that

REFERENCES:
patent: 3023798 (1962-03-01), Moore et al.
patent: 3664402 (1972-05-01), Montagne
patent: 3674076 (1972-07-01), Dailey
patent: 4503898 (1985-03-01), Hitzky
patent: 4796683 (1989-01-01), Kawabata et al.
patent: 5062461 (1991-11-01), Noguchi
patent: 5178698 (1993-01-01), Shibata
patent: 5205879 (1993-04-01), Seitz et al.

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