Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1993-05-14
1996-08-27
Maki, Steven D.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
152209D, B60C11500
Patent
active
055491472
ABSTRACT:
A tread design for a pneumatic tire of radial construction for high-speed vehicles is provided. The tire has a height-to-width ratio of .ltoreq.0.6 with a tread design that is tied to the direction of rotation. The tread design comprises profiled elements that are steeply oriented in the circumferential direction at an angle to the equatorial plane of the tire and are arranged in the shape of V's. The profiled elements extend from a central portion of the tread into shoulder regions of the tire, with the profiled elements being angled-off at a bend region in the shoulder regions in the direction of an axis of the tire. Respective continuous inclined grooves that proceed from the central portion to the shoulder regions are formed between the profiled elements. A circumferentially extending rib is disposed in the equatorial plane and forms two central, circumferentially extending grooves, one on each side of the rib, between this rib and starting portions of the profiled elements. The inclined grooves communicate with these circumferential grooves. In the central portion of the tread, the profiled elements extend at an angle of from 5.degree. to 30.degree. relative to the equatorial plane, while in the shoulder regions, proceeding from the bend regions, the profiled elements extend at an angle of from 65.degree. to 85.degree.. The shoulder regions have a forked configuration.
REFERENCES:
patent: 4057089 (1977-11-01), Johannsen
patent: 4126407 (1988-02-01), Hayakawa et al.
patent: 4687037 (1987-08-01), Pfeiffer et al.
patent: 4722378 (1988-02-01), Carolla et al.
patent: 5058643 (1991-10-01), Nakasaki
patent: 5131443 (1992-07-01), Kuhr et al.
Kuhr Wolfgang
Zinnen Nobert
Maki Steven D.
Uniroyal Englebert Reifen GmbH
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