Method for controlling the footprint area of a tyre and tyre for vehicle wheels
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United States of America Patent
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Oct 29, 2019
Grant Date -
Jun 25, 2015
app pub date -
Jun 6, 2013
filing date -
Jun 22, 2012
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Abstract
A method for controlling the symmetry of the footprint area of a tire running on a straight trajectory with camber angle different from zero, includes the steps: reducing the contact pressure of the tire on the footprint area at an inner shoulder (in case of negative camber) or at an outer shoulder (in case of positive camber); and disposing any medium line of the tread band placed in correspondence with the footprint area substantially parallel to the ground. A tire and a wheel for motor-vehicles, wherein the medium line of the tread band and the rotation axis of the tire form an angle substantially equal in absolute value to the camber angle. A process for manufacturing such tires, wherein a green tire with symmetric outer profile is deformed during the vulcanizing and moulding step until a predetermined angle different from zero is formed between any medium line of the tread band and the rotation axis of the vulcanized tire.
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