Pneumatic vehicle tire

US6536494B1 · kind B1 · utility

Assignee

• Dunlop GmbH · GB

Inventors

• Karlheinz Baumann · Roth, DE
• Robert Nau · Langenselbold, DE
• Gunter Dietrich · Frankfurt, DE

Key dates

• Filing date: Dec 22, 1999
• Grant date: Mar 25, 2003
• Expiry date: Dec 22, 2019

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60C17/0009
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

Pneumatic vehicle tires comprising a carcass which extends between two bead rings, a belt arrangement provided between the carcass and a tread strip, and also rubber reinforcing plies arranged in the sidewall regions, which adopt a supporting function when the tire is deflated, are characterized in that a single rubber reinforcing ply is arranged radially within a first carcass ply and its maximum thickness is disposed in the upper half of the sidewall height; with the rubber reinforcing ply extending from the bead apex region up to and beneath the edge region of the belt ply, and with the bead apex, which extends approximately up to the half sidewall height, being surrounded by the first carcass ply.