Two-piece wheel

US6769743B1 · kind B1 · utility

Assignee

• Fundo Wheels AS · NO

Inventors

• Einar Johan Aasen · Oslo, NO
• Edward J. Morley · Kopervik, NO
• Ole Terje Midling · Avaldsnes, NO
• Anders Sandvik · Haugesund, NO

Key dates

• Filing date: Oct 30, 1998
• Grant date: Aug 3, 2004
• Expiry date: Oct 30, 2018

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T29/49499
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A two-piece wheel is formed by joining a center part to a rim part by a friction stir welding. The weld joints are prepared so that at least a portion of a first circumferential weld joint is not parallel to at least a portion of a second circumferential weld joint. Thus, a cast alloy center part may be securely and efficiently attached to a wrought alloy rim part.