Run-flat tire

Details Run-flat tire Run-flat tire

2006-07-18

2006-07-18

Johnstone, Adrienne C. (Department: 1733)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

C152S532000, C152S554000

Reexamination Certificate

active

07077182

ABSTRACT:
A run-flat tire comprises:a carcass comprising a carcass ply of cords extending between bead portions and turned up around a bead core in each bead portion from the inside to outside of the tire so as to form a pair of turnup portions and a main portion therebetweena belt disposed radially outside the carcass in the tread portion anda reinforcing rubber layer comprisinga pair of side parts each provided between the main portion and the turnup portion and extending from the bead core to the proximity of axially outer edge of the belt, anda center part disposed between the carcass and the belt and connected to the side parts of both side.

REFERENCES:
patent: 4142567 (1979-03-01), Johannsen et al.
patent: 5988247 (1999-11-01), Tanaka
patent: 6026878 (2000-02-01), Zhang et al.
patent: 6530404 (2003-03-01), Rooney
patent: 2004/0055687 (2004-03-01), Whitney
patent: 0 911 188 (1999-04-01), None
patent: 1 167 081 (2002-01-01), None
patent: 1 400 374 (2004-03-01), None
patent: 2000-351307 (2000-12-01), None

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