Pneumatic radial tire

Details Pneumatic radial tire Pneumatic radial tire

1990-03-15

1992-07-21

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152546, 152547, B60C 1506

Patent

active

051314479

ABSTRACT:
A pneumatic radial tire having at least one carcass ply, distal ends of which are folded back axially outwardly about a pair of bead cores to form respective turn-up portions. A hard rubber sheet is disposed on the outer side of each turn-up portion in such a manner as to partially overlap with the same in a mutually space-apart relationship, and a soft rubber material which is softer than the hard rubber sheet is interposed between the turn-up portion and the hard rubber sheet, thereby reducing the amount of stress and heat ocurring in the vicinity of the end portions of the turn-up portions of the carcass ply.

REFERENCES:
patent: 3921693 (1975-11-01), Suzuki et al.
patent: 4046183 (1977-09-01), Takahashi et al.
patent: 4941523 (1990-07-01), Galante et al.
patent: 4953605 (1990-09-01), Kawamura et al.

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