Double contour block tread pattern

Details Double contour block tread pattern Double contour block tread pattern

1979-12-19

1982-01-26

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

D12136, 152209D, B60C 1110, B60C 1112

Patent

active

043123953

ABSTRACT:
An improved pneumatic tire having a tread portion comprising a plurality of independent projections. Each independent portion has a configuration substantially that of a closed loop.

REFERENCES:
patent: D47947 (1915-10-01), Christian
patent: D53498 (1919-07-01), Greenspan
patent: D57431 (1921-03-01), Greenspan
patent: D61553 (1922-10-01), Worth
patent: D929632 (1909-07-01), Doughty
patent: 1468439 (1923-09-01), Cozakos
patent: 2267406 (1941-12-01), Krusemark
patent: 3998256 (1976-12-01), Verdier
Hays et al., The Physics of Tire Traction, pp. 252-254, 1973, Plenum Press, NY-London.

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