Heavy duty tire

Details Heavy duty tire Heavy duty tire

2006-04-21

2009-08-25

Fischer, Justin (Department: 1791)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

C152S541000, C152S543000, C152S546000, C152S547000, C152S552000, C152S554000

Reexamination Certificate

active

07578328

ABSTRACT:
A heavy duty tire having an improved durability in bead portions and comprising a carcass ply of steel cords, the end portions of which are turned up around bead cores from the axially inside to the axially outside of the tire, and a core protecting rubber having a complex elastic modulus of 50 to 80 Mpa, at least a part of which is located in a core inside region which is located axially inward of the bead core and is sandwiched between the axially inner surface of the bead core and the steel cords of the turnup portion of the carcass ply.

REFERENCES:
patent: 3406733 (1968-10-01), Boileau
patent: 4044811 (1977-08-01), Dudek et al.
patent: 6796346 (2004-09-01), Otsuji et al.
patent: 60047703 (1985-03-01), None
patent: 60064001 (1985-04-01), None
patent: 2001-071718 (2001-03-01), None
patent: 2001-191754 (2001-07-01), None
patent: 2002-120522 (2002-04-01), None
patent: 2005-53251 (2005-03-01), None

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