Heavy duty pneumatic tires preventing uneven wearing

Details Heavy duty pneumatic tires preventing uneven wearing Heavy duty pneumatic tires preventing uneven wearing

B - Operations, Transporting

60

C

152/124

B60C 11/04 (2006.01)

Patent

CA 1329356

HEAVY DUTY PNEUMATIC TIRES PREVENTING UNEVEN WEARING ABSTRACT OF THE DISCLOSURE An uneven wear-resisting heavy duty pneumatic tire comprises main grooves continuously extending in a tread of the tire along a circumference thereof, land portions separated by the main grooves, and stepped zones each provided in the land. Each stepped zone has a surface located radially inside of the tread by a step a viewed sectionally. Each of said stepped zones is separated from the adajcent land portions via a pair of circumferentially extending grooves or narrow cuts. An uneven wearing-sacrificing portion is formed by the surface of the stepped zone. The uneven wear-sacrificed portion slide-contacts with the tread within the tread ground-contacting area for supporting the load exerted upon the tire.

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