B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
152/79.16
B60C 17/00 (2006.01) B60C 3/04 (2006.01) B60C 13/00 (2006.01) B60C 13/02 (2006.01)
Patent
CA 1065235
Abstract of the Disclosure A safety pneumatic radial tire for passenger cars has a ratio of the radius of curvature of the inner surface of the crown portion to the maximum width of the tire of 1.2/1 to 2.5/1, and at least one of the sidewall portions is provided with an annular protect rib projecting over the entire circum- ference of the tire. The protect rib has a substantially trapezoidal cross-sectional shape, with the vertical height of the middle position of the outer end and inner end of the protect rib from the bead base portion being lower than the maximum width position of the tire and being at least 35% of the height of the cross-section of the tire. The outer end of the protect rib is extended towards the shoulder portion and the inner end of the protect rib is extended towards the bead portion through concave-shaped curved surfaces.
276118
Kawashima Haruo
Soma Akio
Tanaka Shoji
Yamauchi Makoto
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