Air maintenance tire

US9809068B2 · kind B2 · utility

Assignee

• The Goodyear Tire & Rubber Company · US

Inventors

• Carolin Anna Welter · Schleich, DE
• Andreas Frantzen · Trier, DE
• Jeannot Frieden · Uebersyren, LU
• Anne Therese Peronnet-Paquin · Luxembourg, LU
• Stephan Rodewald · Canal Fulton, US
• Joseph John Kulig · Tallmadge, US
• Mingliang Du · Copley, US

Key dates

• Filing date: Nov 21, 2014
• Grant date: Nov 7, 2017
• Expiry date: Sep 3, 2035

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T152/10495
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

The present invention is directed to a pneumatic tire comprising a sidewall component, the sidewall component including an air passageway extending at least partially about the circumference of the tire, the air passageway surrounded by and in fluid communication with a surface comprising a rubber composition, the rubber composition comprising: a diene based rubber; from 0.25 to 5 parts by weight, per 100 parts by weight of rubber (phr), of a self-lubrication agent capable of migrating from the rubber composition to the groove surface and disposing on the groove surface as a liquid; and from 1 to 15 parts by weight, per 100 parts by weight of rubber (phr), of a vulcanization modifier for use in the second rubber composition include α,ω-bis(N,N′-dihydrocarbylthiocarbamamoyldithio)alkanes, bismaleimides, and biscitraconimides.