Pneumatic tire

A pneumatic tire having a pair of annular bead areas (12), a pair of sidewalls, and a crown portion wherein a carcass ply (22) wraps around a radial inner side (RSj,2o) of each bead ring (20), for each bead area (12) a first layer of rubber material (30) is arranged radially inward from both the bea...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Leonard, Donald Earl, Blasucci, Vittoria Madonna, Winston, Paul B, Hicks, Bradford M, Thomas, Mary Dungan
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES OR ARRANGEMENTS RELATED TO TYRES PERFORMING OPERATIONS REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION VEHICLE TYRES VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A pneumatic tire having a pair of annular bead areas (12), a pair of sidewalls, and a crown portion wherein a carcass ply (22) wraps around a radial inner side (RSj,2o) of each bead ring (20), for each bead area (12) a first layer of rubber material (30) is arranged radially inward from both the bead ring radial inner side (RSi,2o) and the carcass ply (22) and a second layer of rubber material (40) is arranged radially inward from the first layer of rubber material (30), each of the first layer of rubber material (30) and the second layer of rubber material (40) extending substantially across a full width (W20) of the corresponding bead ring (20), each of the first and second layer of rubber material (30, 40) having a modulus of elongation, where the modulus of elongation of the second layer of rubber material (40) is equal to or greater than substantially 125% of the modulus of elongation of the first layer of rubber material (30).