Posted in | News | Rubber and Elastomer

Bridgestone to Commercialise Run Flat Tire System

Sep 14 2005

Bridgestone Corporation announced today that it has succeeded with the practical application of Bridgestone Support Ring runflat system. The development of this system has been in the works since 2002 based on technical collaboration with Germany’s Continental AG and The Yokohama Rubber Co., Ltd. The support ring will be delivered to Toyota Motor Corporation for use in its new RAV4 for the European market.

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The Bridgestone Support Ring runflat system keeps a tire functioning after loss of air pressure so that the car can continue driving safely for up to specified maximum speed for a specified distance. The support ring is made of a lightweight metal ring and rubber so as to provide flexible support to the tire. In case of air loss, the core ring supports the vehicle, and fixes the tire bead on the rim of the tire.

The system is suited for passenger cars and sport-utility vehicles (SUVs) that have high-profile tires.

Bridgestone aims to create runflat systems for the wheels of all passenger cars and SUVs by providing sidewall-reinforcement runflat tires and Bridgestone Support Ring runflat systems that correspond to the respective car. Going forward, Bridgestone will continue to promote R&D in this area.

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