The present invention relates to a self-sealing tyre for vehicle wheels comprising at least one carcass ply (3), a tread band (7) applied in a radially external position with respect to said carcass ply in a crown portion, at least one liner (9) applied in a radially internal position with respect to said carcass ply, a sealing assembly (10, 11) applied in a radially internal position with respect to said liner and axially extending at least at a part of the crown portion; wherein said sealing assembly comprises a permanent self-supporting elastomeric layer (11) having an elongation modulus at 10% lower than 0.8 MPa, said self-supporting elastomeric layer being obtained by vulcanisation of an elastomeric compound having a Mooney ML(1+4) viscosity lower than 30, and a layer of sealing material (10) associated with and supported by said permanent self-supporting elastomeric layer; wherein said self-supporting elastomeric layer is radially internal to the layer of sealing material and said layer of sealing material is placed substantially in contact with said liner.
SELF-SEALING TYRE FOR VEHICLE WHEELS
SELBSTDICHTENDER LUFTREIFEN FÜR FAHRZEUGRÄDER
PNEU AUTO-OBTURANT POUR DES ROUES DE VÉHICULE
2024-03-06
Patent
Elektronische Ressource
Englisch
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |