Expansion ring for a vehicle wheel

Details Expansion ring for a vehicle wheel Expansion ring for a vehicle wheel

B - Operations, Transporting

60

C

152/71.3

B60C 19/00 (2006.01) B60B 21/12 (2006.01)

Patent

CA 2007734

ABSTRACT An expansion ring for a vehicle wheel, wherein the wheel includes at least a rim and a tubeless pneumatic tire. The expansion ring includes wire bundle reinforcement for securing the beads of the tire on the shoulders of the rim. The expansion ring is formed from a profiled section which is cut to the length of the circumference of the rim shoulders and includes continuous longitudinal grooves in its outer surface. Wire bundle rings or cable bundle rings are positioned in the grooves. The expansion ring is characterized by a reduced weight and a cost-efficient manufacture and yet provides a sufficient expansion force for maintaining the beads of a tire against the rim shoulders even at very low air pressures.

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