Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Reexamination Certificate
2005-09-20
2005-09-20
Johnstone, Adrienne C. (Department: 1733)
Resilient tires and wheels
Tires, resilient
Pneumatic tire or inner tube
C152S539000, C152S541000, C152S548000, C152S550000, C152S558000, C152S560000
Reexamination Certificate
active
06945295
ABSTRACT:
A carcass structure for vehicle wheel tires includes at least one carcass ply and a pair of annular reinforcing structures. The at least one carcass ply includes a first and a second series of strip segments consecutively arranged along a circumferential development of a toroidal support and including at least two filiform elements, positioned longitudinally and parallel to each other, at least partially coated by at least one layer of raw elastomer material. The annular reinforcing structures include at least one primary portion and at least one additional portion. The at least one primary portion includes a first circumferential-inextensible annular insert, a filling body, and at least one second circumferentially-inextensible annular insert. The at least one additional portion comprises at least one third circumferentially-inextensible annular insert. The annular inserts are each formed by at least one elongated element extending in concentric turns.
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Patent family data for US-6,457,504-B1.
U.S. Appl. No. 09/364,099, filed Jul. 30, 1999, Caretta.
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Johnstone Adrienne C.
Pirelli Pneumatici S.p.A.
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