Pneumatic tire and method of producing the same
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United States of America Patent
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N/A
Issued Date -
May 18, 2006
app pub date -
Nov 16, 2005
filing date -
Nov 17, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
There is provided a pneumatic tire capable of achieving both reduced rolling resistance and enhanced durability and a method of producing the same. The pneumatic tire includes a reinforcement layer, formed of a steel cord coated with coating rubber, including at least one of a carcass, a bead reinforcement layer, a side reinforcement layer and a belt, with said coating rubber formed of a rubber compound containing 100 parts by mass of diene rubber, 30 to 80 parts by mass of silica having a nitrogen surface area of at least 70 m.sup.2/g and at most 150 m.sup.2/g, 1 to 15 parts by mass of a silane coupling agent, and organic acid cobalt salt. Preferably the steel cord has a cut edge of a breaker coated with an edge strip of rubber.
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