Pneumatic vehicle tire having beads that are turnable

Details Pneumatic vehicle tire having beads that are turnable Pneumatic vehicle tire having beads that are turnable

1991-06-21

1993-04-13

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152539, 245 15, B60C 1504

Patent

active

052019721

ABSTRACT:
A pneumatic vehicle tire having a carcass that is looped about two bead cores that comprise load-carrying members such as plastic filaments and/or metal wires, with beads in which the bead cores are disposed being capable of turning from a vulcanizing position into an operating position when the tire is being mounted on a wheel rim. In order to improve the tasks of the beads without adversely affecting their ability to turn, the surfaces of the load-carrying members of the bead cores, during turning of the beads prevent adhesion to vulcanized rubber at least to the extent that the load-carrying members are immersed in rubber in the vulcanizing position, so that each load-carrying member is individually rotatable about its longitudinal axis relative to the surrounding rubber of the pertaining bead.

REFERENCES:
patent: 4508586 (1985-04-01), Brown et al.
patent: 4597426 (1986-07-01), Mauk et al.
patent: 4781232 (1988-11-01), Klose
patent: 4955418 (1990-09-01), Baumhofer

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