Heavy duty tire

Details Heavy duty tire Heavy duty tire

2006-12-26

2006-12-26

Johnstone, Adrienne C. (Department: 1733)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

C152S546000, C152S547000, C152S552000

Reexamination Certificate

active

07152646

ABSTRACT:
The present invention relates to a heavy duty tire comprising 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 therebetween, and a bead reinforcing layer comprising at least one reinforcing ply of cords disposed of each said bead portion, whereinthe turnup portion comprises a turnup main part extending an inner region inside a extension line obtained by extending a radially outer surface of the bead core, and a turnup sub part extending an outer region outside said extension line through a portion near the radially outer surface of said bead core, and whereinthe reinforcing cord ply comprises a center portion extending along the radially inside the turnup main part, an axially outside portion extending from the center portion to the radially outside of the tire apart from said turnup portion, and an axially inside portion extending from the center portion to the radially outside of the tire through the inside of said main portion.

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