Pneumatic tyre for heavy load vehicle wheels
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United States of America Patent
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Jan 9, 2018
Grant Date -
Mar 27, 2014
app pub date -
May 23, 2012
filing date -
May 31, 2011
priority date (Note) -
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Abstract
A pneumatic tyre for heavy load vehicle wheels, includes: a carcass structure, a belt structure applied in a radially outer position with respect to the carcass structure, and a tread band. The belt structure includes at least one reinforcing layer incorporating a plurality of reinforcing cords arranged substantially along the circumferential direction. The belt structure further comprises a first main belt layer and a second main belt layer wherein the first main belt layer includes a first plurality of metal cords inclined at a first angle and the second main belt layer includes a second plurality of metal cords inclined at a second angle. The metal cords of the first and second plurality of metal cords have a diameter not greater than 1.30 mm, and include a plurality of filaments having a diameter not greater than 0.30 mm.
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