TYRE INCLUDING A LIGHTWEIGHT CROWN REINFORCEMENT

The invention relates to a tyre that comprises a crown reinforcement made up of at least two working crown plies. According to the invention, the reinforcement elements of the working crown plies are metal cables having a diameter smaller than 1.3 mm, at least one wire of each metal cable of at leas...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DEGEORGES, Agnès, SALGUES, Nathalie, LARDJANE, Aurore
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:	The invention relates to a tyre that comprises a crown reinforcement made up of at least two working crown plies. According to the invention, the reinforcement elements of the working crown plies are metal cables having a diameter smaller than 1.3 mm, at least one wire of each metal cable of at least one working crown ply is of at least UHT grade, and the inner-liner plies of the working crown plies are elastomer mixtures based on a reinforcing filler made up of a filler comprised between 50 and 350 m2/g and/or with a CTAB specific surface of 50 to 250 m2/g, used with a ratio of 20 to 80 phe.