Pneumatic tire with radially inner and radially outer bead core

Details Pneumatic tire with radially inner and radially outer bead core Pneumatic tire with radially inner and radially outer bead core

1996-10-23

1999-06-08

Johnstone, Adrienne

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152455, 152456, 152545, 152552, 152556, B60C 306, B60C 904, B60C 1500, B60C 1505, B60C 1506

Patent

active

059097574

ABSTRACT:
A pneumatic tire comprises a radially inner bead core disposed in at least one of the bead portions, a radially outer bead core disposed radially outside the inner bead core, a buffer rubber layer disposed between the radially inner bead core and radially outer bead core to provide a predetermined space therebetween, and a toroidal carcass extending between the bead portions through the tread portion and sidewall portions, wherein the carcass comprises a ply of cords turned up around the radially outer bead core to be secured thereto, passing between the radially outer bead core and the buffer rubber layer, so that a radially outward tension of the carcass caused by tire inflation acts less on the radially inner bead core than the radially outer bead core.

REFERENCES:
patent: 2480811 (1949-08-01), McCoy
patent: 4700765 (1987-10-01), Masclaux
patent: 5513686 (1996-05-01), Diernaz

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