B - Operations – Transporting – 60 – C
Patent
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.
580644
Aoki Yasutoshi
Kukimoto Takashi
Usui Shinji
Yamagishi Naoto
Bridgestone Corporation
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
LandOfFree
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