Pneumatic tire and wheel rim assemblies

Details Pneumatic tire and wheel rim assemblies Pneumatic tire and wheel rim assemblies

1983-04-21

1988-05-31

Ball, Michael

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

1523793, 1523813, 152540, 152544, 245 15, B60C 1700, B60C 15024, B60C 1504

Patent

active

047474408

ABSTRACT:
A pneumatic tire and wheel rim assembly of the type in which the wheel rim has retention means engageable with at least one tire bead to retain the tire bead at its bead seat under the action of road generated forces tending to dislodge tire bead wherein bead retention is improved by providing said at least tire bead with a bead reinforcement which has substantial resistance to deformation in an axial direction yet retains sufficient flexibility to a radial direction normal thereto to allow tire fitting to a one-piece rim. Suitable bead reinforcements are those having an axial rigidity factor `K` greater than 8.5 N.m.sup.2.

REFERENCES:
patent: 1503883 (1922-04-01), Cobb
patent: 3736974 (1973-06-01), LeJeune
patent: 3949800 (1976-04-01), LeJeune
patent: 4148348 (1979-04-01), French et al.
patent: 4166492 (1979-09-01), Pfeiffer
patent: 4237954 (1980-12-01), Pommier
patent: 4260006 (1981-04-01), Udall et al.
patent: 4274466 (1981-06-01), French et al.
patent: 4290471 (1981-09-01), Pfeiffer
patent: 4321957 (1982-03-01), Hahn et al.
patent: 4351382 (1982-09-01), Corner et al.

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