Pneumatic tire with bead composite

Details Pneumatic tire with bead composite Pneumatic tire with bead composite

2004-12-22

2008-08-05

Johnstone, Adrienne C (Department: 1791)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

C152S158000, C152S520000, C152S544000

Reexamination Certificate

active

07406991

ABSTRACT:
A run-flat tire has a radial carcass reinforcement ply extending through a pair of opposing sidewalls and anchored in opposing bead portions. At least one of the bead portions having a bead heel and a bead toe wherein the bead heel is radially outward and axially inward from the bead toe. At least one of the bead portions has a bead composite and a bead apex therein. The bead composite has a maximum axial width WB, the axial width being measured perpendicular to the tire equatorial plane. The maximum axial width WBis greater than 50% of the maximum axial width W of the at least one bead portion, as measured from the opposing axial sides of the bead portion.

REFERENCES:
patent: 5785781 (1998-07-01), Drieux et al.
patent: 5971047 (1999-10-01), Drieux et al.
patent: 6179028 (2001-01-01), Drieux et al.
patent: 6418992 (2002-07-01), Drieux et al.
patent: 6571846 (2003-06-01), Chandezon et al.
patent: 2002/0179216 (2002-12-01), Pereira et al.
patent: 2003/0098111 (2003-05-01), Teeple et al.
patent: 2003/0150532 (2003-08-01), Marois et al.
patent: 2003/0150538 (2003-08-01), Ceretta
patent: WO-03/093034 (2003-11-01), None
Webster's New World Dictionary of American English, eds. Victoria Neufeldt and David Guralnik, Simon & Schuster Inc., New York, 1988, p. 835.
European Search Report, completed Jul. 6, 2006.

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