COMPOSITE WIRE REINFORCEMENT FOR A TIRE, COATED WITH RUBBER HAVING ENHANCED WATER-BARRIER PROPERTIES
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United States of America Patent
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Issued Date -
Jun 13, 2013
app pub date -
May 17, 2011
filing date -
May 27, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A composite wire or thread-based reinforcement is coated with rubber and may be used for reinforcing a finished rubber article, such as a tyre. The reinforcement includes one or more textile or metallic reinforcing wires or threads, and a coating rubber that coats each wire or thread. The coating rubber is formed of a rubber composition that includes at least one diene elastomer, a reinforcing filler, between 10 and 150 phr (parts by weight per hundred parts of elastomer or rubber) of a platy filler, and a crosslinking system. The coating rubber has improved water-barrier properties, thus giving the composite wire or thread-based reinforcement better protection against corrosion or ageing due to penetration of water, for example through tyre tread.
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