The run-flat tyre (P1) comprises: - a carcass reinforcement (32) comprising at least one polyester reinforcing element, - a sidewall insert (44) manufactured from a rubber composition based on a crosslinkable rubber composition comprising: - an elastomer consisting of polybutadiene having a Mooney plasticity within a range of values extending from 55 to 85 Mooney units, - a carbon black having a specific surface area within a range of values extending from 15 m2/g to 25 m2/g and an oil absorption number of compressed sample within a range of values extending from 65 ml/100 g to 85 ml/100 g.
Run-flat tyre comprising a polyester carcass ply
2015-12-23
Patent
Electronic Resource
English
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
TYRE DESIGNED TO BE ABLE TO RUN FLAT, COMPRISING A HYBRID CARCASS PLY
European Patent Office | 2015
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