Dunlop return
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DUNLOP is to make its return into the automatic brake market.
The company sold its brake patents to Girling in 1965, and since then Dunlop has made no vehicle brakes. Now, almost three years after this agreement expired, Dunlop has produced a multi-disc brake for commercial vehicles making full use of its expertise gained from its continuous aircraft interests.
The new brake is derived from the aircraft multi-plate disc design incorporating both stationary and rotating discs contained within the wheel envelope, similar to the existing drum brake.
The unit embodies service, secondary and spring braking, including integral automatic adjustment and spring brake manual release.
It has been designed for both hydraulic and pneumatic operation. Performance can be matched to suit individual axle size by varying the number of plates used. Consistent facefree brake performance, increased life and ease of maintenance are the claims made for the device.
With the demand for commercial vehicle braking to be improved to the same standard as those of cars, this could be a useful piece of equipment for future vehicles. Full production is not scheduled until 1980.