Method of making a subframe of a motor vehicle, and subframe for a motor vehicle

US7971887B2 · kind B2 · utility

Assignee

• BENTELER AUTOMOBILTECHNIK GMBH · DE

Inventors

• Jochen Dörr · Bad Driburg, DE
• Michael Wibbeke · Paderborn, DE

Key dates

• Filing date: Apr 23, 2008
• Grant date: Jul 5, 2011
• Expiry date: Feb 15, 2029

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T29/49988
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

In a method of making a subframe of a motor vehicle profile elements made of hollow sections of steel are placed in a casting tool. Subsequently, aluminum material is filled into the casting tool to casting around the profile elements so as to form plural cast nodes on the profile elements in spaced-apart relationship.