Tire whose crown reinforcement rubber includes silica
AssigneeCompagnie Generale des Establissements Michelin-Michelin & Cie
InventorDidier Vasseur
Life of this patent
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Abstract
A radial carcass tire comprising a tread, two non-stretchable beads, two sidewalls connecting the beads to the tread, and a crown reinforcement located between the carcass and the tread, the crown reinforcement including a diene elastomeric rubber having, as reinforcing filler, a highly dispersible precipitated silica having a CTAB specific area less than or equal to 125 m.sup.2 /g and a BET specific surface area less than or equal to 125 m.sup.2 /g.
Claims21
A radial carcass tire having a tread, two non-stretchable beads, two sidewalls connecting the beads to the tread, and a crown reinforcement located between the carcass and the tread comprising at least two cord fabric plies, wherein the crown reinforcement comprises a diene elastomeric rubber containing as reinforcing filler a precipitated silica having a CTAB specific surface area less than or equal to 125 m.sup.2 /g and a BET specific surface area less than or equal to 125 m.sup.2 /g.
Dependencies are inferred from the claim text.