Rolling tool with integrated drawing stage

US7743637B2 · kind B2 · utility

Assignee

• Mueller Weingarten AG · DE

Inventors

• Dietmar Schlayer · Weingarten, DE
• Hans-Joachim Pieperhoff · Zornheim, DE
• Frank Beig · Bodnegg, DE
• Norbert Ziesel · Weingarten, DE

Key dates

• Filing date: Aug 7, 2008
• Grant date: Jun 29, 2010
• Expiry date: Aug 12, 2028

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B21D22/28
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

The invention relates to a method and a tool for producing cylindrical workpieces having longitudinal grooves, wherein the actual rolling operation is preceded by a drawing stage integrated in the tool and wherein the forming rollers are realized with an improved mounting.