B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
152/126
B60C 11/06 (1985.01)
Patent
CA 1198043
ABSTRACT TYPE TREADS A type tread for a truck type, especially of radial ply construction and designed for use on well-made roads, comprising a small number of zig-zag grooves. The sidewalls of one or more grooves are provided with a supporting buttress of varying height or width such that the maximum support is provided at or adjacent the points where the groove projects into the surrounding tread and the minimum support where the tread extends into the groove. The provision of such a buttress provides a varying degree of support for each groove sidewall along the length of the groove thus assisting in preventing uneven wear of the tread rubber and reducing damage caused by a stone trapped in the groove.
404204
Kemp Ian
Treves Barry W.
Btr Industries Limited
Fetherstonhaugh & Co.
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