Pneumatic run-flat tire

A pneumatic run-flat tire (10), the tire comprising at least one carcass reinforcing ply (12), at least one pair of sidewall inserts (20), and a belt reinforcing structure (22), wherein the tire has at least one pair of elastomeric layers (28) each located radially inward of the at least one carcass...

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Bibliographische Detailangaben
Hauptverfasser:	LAHURE, JEAN-CLAUDE, HEDO, MARC, DIAZ-SCHARFE, MERCEDES MARIA, PERONNET-PAQUIN, ANNE THERESE, SCHREURS, DAMIEN ALBERT, CORVASCE, FILOMENO GENNARO, LAMBERT, ISABELLE LEA LOUISE MARIE, PINGENAT, MATTHIEU, AGOSTINI, GIORGIO, COLANTONIO, LUIGI DOMENICO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DEVICES OR ARRANGEMENTS RELATED TO TYRES METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS VEHICLE TYRES VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A pneumatic run-flat tire (10), the tire comprising at least one carcass reinforcing ply (12), at least one pair of sidewall inserts (20), and a belt reinforcing structure (22), wherein the tire has at least one pair of elastomeric layers (28) each located radially inward of the at least one carcass reinforcing ply (12) and radially outward of each of the sidewall inserts (20); the elastomeric layers extending from axially inward of an edge of the belt reinforcing structure (26) to at least a midpoint of a sidewall, the elastomeric layers comprising a rubber composition comprising 100 parts by weight of natural rubber; from 20 to 30 phr of silica; and from 1 to 20 phr of polyoctenamer.