Runflat tire with sidewall component containing high strength glass bubbles

US7406990B2 · kind B2 · utility

Assignee

• The Goodyear Tire & Rubber Company · US

Inventors

• Andrew Brown · North Billerica, US
• David John Zanzig · Uniontown, US
• Bina Botts · Cuyahoga Falls, US
• David Mark Frantz · Norton, US

Key dates

• Filing date: Aug 10, 2005
• Grant date: Aug 5, 2008
• Expiry date: Nov 4, 2025

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T152/10846
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A pneumatic runflat tire comprising a sidewall component comprising a rubber composition comprising at least one diene based elastomer and from about 1 to about 40 phr of glass bubbles having a crush strength of at least 10,000 psi as measured by ASTM D3102-78 in glycerol.