Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1986-04-23
1989-07-18
Ball, Michael W.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
152209R, 152456, B60C 1104, B60C 306
Patent
active
048484296
ABSTRACT:
The present invention concerns a tire for vehicle wheels, intended for being used for sports events and for high performance, that is capable of guaranteeing, under any running conditions--of time, as well as of the road, the best road-behaviour characteristics.
The tire of the invention presents a tread pattern that is axially subdivided into two circumferential adjacent sections--of blocks and grooves respectively, and a tread-band--comprised by two circumferential portions that are axially adjacent--made from diverse elastomeric compositions and having a diverse thickness, where the line of separation--between the two sections of the pattern, does not coincide with the line of separation between the two portions made of elastomeric compositions.
The said tread-band, is supported by a mixed textile/metallic breaker structure, having an asymmetrical profile--with respect to the equatorial plane of the tire.
REFERENCES:
patent: 3286756 (1966-11-01), Ellenrieder et al.
patent: 4258774 (1981-03-01), Mirtain
patent: 4271889 (1981-06-01), Pommier
Ball Michael W.
Knable Geoffrey L.
Pirelli Coordinamento Pneumatici S.p.A.
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