Tyre formed of two halves separated by a median plane, comprising a crown comprising a crown reinforcement comprising a first reinforcing ply (80) and a second reinforcing ply (90) having two axial ends, which is situated radially on the outside of the first reinforcing ply and surmounted by a hooping reinforcement (100) made up of circumferentially orientated reinforcing elements, in which tyre the absolute value of the difference D between the distance D1 of the first axial end (92) from the median plane and the distance D2 of the second axial end (93) from the median plane is greater than or equal to 4 mm and less than or equal to 10 mm (4 mm <= |D|=|D1-D2| <= 10 mm); and in which, in any radial section, formula where K is greater than or equal to 1.15 and less than or equal to 1.50, N1 is the number of hooping reinforcing elements situated in the first half of the tyre and MA1i denotes the modulus at 2% elongation of an individual reinforcing element situated in the first half of the tyre, N2 is the number of hooping reinforcing elements situated in the second half of the tyre, and MA2j denotes the modulus at 2% elongation of an individual reinforcing element situated in the second half of the tyre.
TYRE WITH ASYMMETRIC CROWN
2015-08-26
Patent
Elektronische Ressource
Englisch
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
Tyre comprising hoop ply with hydrophobic weft yarns and reduced crown thickness
Europäisches Patentamt | 2023
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