Article: Japanese Inventor Develops Off-the-Road Tire

ALEXANDRIA, Va., Oct. 17 -- Akira Ono of Kodaira, Japan, has developed an off-the-road tire.

According to the U.S. Patent & Trademark Office: "The invention is to improve wear resistance and resistance to crack growth of an off-the-road tire having a gauge of a tread rubber of 60-200 mm, in which a plurality of widthwise grooves extending substantially in a widthwise direction of the tire are arranged in each side region of the tread, and a pair of circumferential fine grooves continuously extending straight-forward or zigzag in a circumferential direction of the tire are arranged in a central zone of the tread, and a plurality of widthwise fine grooves extending substantially in the ...

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