Three-layered metal cable for tire carcass reinforcement
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United States of America Patent
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Feb 18, 2014
Grant Date -
Nov 29, 2012
app pub date -
Jul 17, 2012
filing date -
Dec 24, 2003
priority date (Note) -
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Abstract
In a multi-strand steel cable, at least three layers are present. An inner layer includes from 1 to 4 wires. An intermediate layer surrounds the inner layer and includes from 3 to 12 wires wound together in a helix at a pitch p2. An outer layer surrounds the intermediate layer and includes from 8 to 20 wires wound together in a helix at a pitch p3. A rubber sheath covers at least the intermediate layer and is formed of a cross-linkable or cross-linked rubber composition that includes at least one diene elastomer.
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