PNEUMATIC TYRE, THE BELT OF WHICH IS PROVIDED WITH A COATING RUBBER THAT REDUCES ROLLING NOISE
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United States of America Patent
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N/A
Issued Date -
May 30, 2013
app pub date -
May 24, 2011
filing date -
Jun 17, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A radial tyre for motor vehicle includes: a crown with at least a tread and a crown reinforcement or belt, two inextensible beads, two sidewalls connecting the two inextensible beads to the tread, and a carcass reinforcement passing into the two sidewalls and anchored in the two inextensible beads. The belt is positioned circumferentially between the tread and the carcass reinforcement, and includes textile or metallic reinforcers coated with a rubber composition referred to as a “belt-coating rubber.” The belt-coating rubber, which is capable of reducing the tyre's rolling noise, includes a diene elastomer and more than 50 phr of a filler of high-density particles having a density of greater than 4 g/cm3.
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