Tire for motor-vehicle wheels provided with a tread producing a

Details Tire for motor-vehicle wheels provided with a tread producing a Tire for motor-vehicle wheels provided with a tread producing a

1997-01-24

1999-10-12

Maki, Steven D.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

15220927, 152903, 152DIG3, B60C 1103, B60C 1112, B60C11300

Patent

active

059642661

ABSTRACT:
A tread for motor-vehicle tires has a raised pattern formed of a plurality of shaped blocks 7 distributed in circumferential rows 3, 4, 5, 6 disposed in parallel and in side by side relation. The number of the shaped blocks 7 arranged in each row gradually increases while moving from the equatorial plane X--X to the axial outer side edges 1a of the tread 1. Thus a gradual increase in the longitudinal stiffness of the shaped blocks 7 is achieved on passing from the side edges 1a of the tread 1 to the equatorial plane X--X, which brings about a reduction in the mobility of said blocks on the road contact patch and lower rolling noise.

REFERENCES:
patent: D261497 (1981-10-01), Baus et al.
patent: 4057089 (1977-11-01), Johannsen
patent: 4299264 (1981-11-01), Williams
patent: 4424843 (1984-01-01), Fontaine et al.
patent: 4700762 (1987-10-01), Landers
patent: 4936364 (1990-06-01), Kajiwara et al.
patent: 4953604 (1990-09-01), Shepler et al.
patent: 5234042 (1993-08-01), Kuhr et al.
patent: 5287905 (1994-02-01), Caretta et al.
patent: 5423364 (1995-06-01), Himuro
patent: 5526860 (1996-06-01), Minami
Woods, E.C., Pneumatic Tyre Design, pp. 8-25, 1955.
Toyo advertisement of May 1991.
Continental advertisement of 1990.
Cooper advertisement of Jun. 1991.
Yokohama advertisement. (No Date).
First Dunlop advertisement. (No Date).
Copy of a magazine page describing two Dunlop tires cited in First Dunlop advertisement. (No Date).
Bridgestone advertisement. (No Date).
Falken advertisement. (No Date).
Second Dunlop advertisement. (No Date).
Flamingo advertisement. (No Date).
General tire advertisement. (No Date).
Third Dunlop advertisement. (No Date).
Picture of MXT tire from Michelin Catalogue, 1992.
Picture of MAX 380 tire from Uniroyal Catalogue, 1990.

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