PNEUMATIC TIRE

A pneumatic tire is provided to compensate for wheel cambering by employing a bead reinforcing ply including aramid fiber reinforcing cords located in only one bead portion of the tire. In a pneumatic radial tire having two tire halves, wherein one on each side of a circumferentially extends equator...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: EICHER MARCO JOSEPH, FRAIPONT XAVIER SEBASTIEN BENOIT, MICHEL EDOUARD PIERRE, POWELL KENNETH JENNER
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A pneumatic tire is provided to compensate for wheel cambering by employing a bead reinforcing ply including aramid fiber reinforcing cords located in only one bead portion of the tire. In a pneumatic radial tire having two tire halves, wherein one on each side of a circumferentially extends equatorial plane of the tire, the tire comprises a carcass and a tread(10) radially outward of the carcass. The carcass comprises at least one carcass reinforcing ply(12), opposing bead portions(14), and opposing sidewalls(16). The carcass reinforcing ply has a main portion(18) extending between the opposing bead portions and a pair of turnup portions(20). Each turnup portion extends from one end of the main portion. Each bead portion has a bead core(22) and a bead apex(24) radially outward of each bead core. The apex is located between the main portion and one turnup portion of the at least one reinforcing ply. The apexes in each bead portion have the same radial height(HA) as measured from a bead base line(BL). The tire has a sectional height measured from the bead base line to a surface of the tread at the tire equatorial plane. The tire characterized by a bead reinforcing ply(26). The bead reinforcing ply comprises aramid fiber reinforcing cords located in only one bead portion of the tire. The bead reinforcing ply is adjacent to the at least one carcass reinforcing ply.