Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Reexamination Certificate
2005-04-08
2008-11-11
Johnstone, Adrienne C (Department: 1791)
Resilient tires and wheels
Tires, resilient
Pneumatic tire or inner tube
C152S526000, C152S534000, C152S535000
Reexamination Certificate
active
07448423
ABSTRACT:
A tire with a radial carcass reinforcement intended to equip a heavy vehicle such as a transport vehicle or construction machinery, the tire having an axial width grater than 37 inches. The tire includes a working crown reinforcement having at least two continuous plies formed from reinforcement elements crossed from one ply to the next, forming with the circumferential direction angles of between10° and35°. The working crown reinforcement is supplemented on each side of the circumferential mid-plane by at least three half-plies whose reinforcement elements form with the circumferential direction angles of between10° and40°. The half-ply extending axially the most towards the outside is in contact with at least two other working crown half-plies, and the three half-plies radially overlap the axially external ends of at least two continuous working crown plies.
REFERENCES:
patent: 4215736 (1980-08-01), Herbelleau
patent: 5111864 (1992-05-01), Nakano et al.
patent: 6598639 (2003-07-01), Comps et al.
patent: 7213626 (2007-05-01), Giraud et al.
patent: 2 827 221 (2003-01-01), None
patent: WO 99/42306 (1999-08-01), None
patent: WO 03/008206 (2003-01-01), None
Buchanan & Ingersoll & Rooney PC
Johnstone Adrienne C
Michelin Recherche Et Technique S.A.
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