Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Patent
1989-05-16
1992-06-02
Ball, Michael W.
Resilient tires and wheels
Tires, resilient
Pneumatic tire or inner tube
152546, 152555, B60C 1500
Patent
active
051178885
ABSTRACT:
A radial tire including at least one carcass layer extending from one of a pair of bead cores to the other bead core and composed of cords arranged radially of the tire, a belt layer provided over the crown portion of the carcass layer radially outwardly of the tire, and a bead filter rubber portion positioned on each bead core and extending radially outwardly of the tire, the carcass layer having opposite ends folded over the respective bead cores from the bead toe side toward the bead heel side, forming return portions, at least one of the return ends portion being positioned radially outwardly of the radial outer end of the bead filler rubber portion. The tire has a reinforcing layer of organic fiber having a bias angle of 40 to 60 degrees and adhered to the inner side of the bead filter rubber portion, the reinforcing layer extending along the filler rubber portion from a position radially inwardly of the bead core, and a rubber cushion having 0.5 to 1.0 times the gauge of the carcass layer and provided between the carcass folded portion and an abrasion rubber member adjacent a rim flange, the rubber cushion extending along the bead filler portion.
REFERENCES:
patent: 3557860 (1971-01-01), Maiocchi
patent: 3612138 (1971-10-01), Ravenhall
patent: 4166491 (1979-09-01), Mezzanotte
patent: 4669519 (1987-06-01), Togashi
patent: 4735249 (1988-04-01), Kabe
Ball Michael W.
The Ohtsu Tire & Rubber Co. Ltd.
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