PNEUMATIC RUN-FLAT TIRE

PROBLEM TO BE SOLVED: To provide a run-flat tire highly compatible in the run-flat performance and the comfort. SOLUTION: In the run-flat tire 10 comprising a pair of sidewall wedge-shaped inserts 20, a reinforcing belt structure of the tire comprises at least two belt reinforcement plies 22, 24 inc...

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Bibliographische Detailangaben
Hauptverfasser:	LAMBERT ISABELLE LEA LOUISE MARIE, LAHURE JEAN-CLAUDE, CORVASCE FILOMENO GENNARO, SCHREURS DAMIEN ALBERT, PINGENAT MATTHIEU, PERONNET-PAQUIN ANNE THERESE, COLANTONIO LAURENT LUIGI DOMENICO, DIAZ-SCHARFE MERCEDES MARIA, HEDO MARC, AGOSTINI GIORGIO
Format:	Patent
Sprache:	eng
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:	PROBLEM TO BE SOLVED: To provide a run-flat tire highly compatible in the run-flat performance and the comfort. SOLUTION: In the run-flat tire 10 comprising a pair of sidewall wedge-shaped inserts 20, a reinforcing belt structure of the tire comprises at least two belt reinforcement plies 22, 24 including crossing codes. The tire is characterized by at least a pair of elastomeric layers 28. A pair of the elastomeric layers 28 are respectively located radially inward of the at least one carcass reinforcing ply 12 and radially outward of each of the sidewall wedge-shaped inserts 20. The elastomeric layers 28 extend from axially inward of an edge of the belt reinforcing structure to at least a midpoint of a sidewall. The elastomeric layers 28 contain rubber composition, which comprises 100 parts by weight of natural rubber, 20-30 phr of silica (carbon black is not included), and 0-20 phr of polyoctenamer. COPYRIGHT: (C)2008,JPO&INPIT