Motor vehicle drive shaft comprising a straight seam welded pipe of an aluminum alloy

US5857916A · kind A · utility

Assignee

• VAW aluminium AG · DE

Inventors

• Heinz Schoch · Bad Doberan, DE
• Klaus-Georg Bottger · Ronnenberg, DE
• Thorsten Schulze · Wunstorf, DE
• Jurgen Westhof · Ahausen, DE

Key dates

• Filing date: Apr 27, 1995
• Grant date: Jan 12, 1999
• Expiry date: Apr 27, 2015

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S464/902
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A drive shaft for motor vehicles in the form of a pipe consisting of aluminum. The drive shaft is a straight seam welded pipe consisting of a strain-hardening aluminum alloy. The pipe is straight seam welded without incorporation of additional materials and the wall thickness of the pipe is greater than 2 mm.