Process and apparatus for grinding tyres
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United States of America Patent
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Oct 30, 2012
Grant Date -
Jun 10, 2010
app pub date -
Aug 9, 2007
filing date -
Aug 9, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A process and an apparatus for optimising tyres after vulcanization, in order to improve the dynamic behavior of the tyre itself. The process includes first of all the stages of measuring the curve of the radial force of the tyre, calculating the first harmonic of this radial force and identifying on the tyre a point corresponding to the maximum of the first harmonic. Subsequently, material is removed from the tread over an arc subtending a principal angle positioned either side of the maximum point of the first harmonic. The removal stage is performed by removing discrete circumferential portions of the arc with differentiated depths of removal, increasing from opposite ends of this arc toward the maximum point of the first harmonic.
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