Pneumatic tires
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United States of America Patent
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Apr 3, 1990
Grant Date -
N/A
app pub date -
Sep 9, 1988
filing date -
Sep 11, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A heavy duty pneumatic tire for use in construction vehicles, truck and bus is disclosed, which comprises a tread rubber having improved cut resistance, resistance to rib tear, wear resistance, resistance to heat build-up, processability and the like. The tread rubber comprises 20-100 parts by weight of a particular modified styrene-butadiene copolymer and 80-0 parts by weight of other diene series rubber as a rubber component and contains 40-80 parts by weight of a particular carbon black based on 100 parts by weight of the rubber component.
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