Resilient tires and wheels – Tires – resilient – Anti-skid devices
Reexamination Certificate
2005-12-06
2005-12-06
Maki, Steven D. (Department: 1733)
Resilient tires and wheels
Tires, resilient
Anti-skid devices
C152S209900, C152S209180, C152S209250, C152S209260, C152S209270, C152S209280
Reexamination Certificate
active
06971425
ABSTRACT:
A tire for a vehicle wheel includes a carcass structure, a belt structure, and a tread band. The tread band pattern includes a central zone and two axially-opposite shoulder zones. The central zone is delimited between axially-inner circumferential grooves and includes at least two intermediate circumferential grooves and a plurality of first transverse recesses inclined relative to a circumferential direction of the tire. The first transverse recesses are connected to at least one of the intermediate circumferential grooves. The shoulder zones are each delimited between axially-inner and axially-outer circumferential grooves. The shoulder zones include a plurality of second transverse recesses inclined relative to the circumferential direction. The at least one of the intermediate circumferential grooves includes a substantially V-shaped cross-section. A width and depth of the at least one of the intermediate circumferential grooves are greater than and less than, respectively, a width and depth of the first transverse recesses.
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Bello Vito
Colombo Gianfranco
Misani Pierangelo
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Maki Steven D.
Pirelli Pneumatici S.p.A.
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