Composite body

US4631792A · kind A · utility

Assignee

• Mannesmann AG · DE

Inventors

• Karl-Friedrich Wesemann · Mülheim, DE
• Rainer Lenk · Duisburg, DE
• Klaus Kobusch · Bielefeld, DE
• Manfred Markan · Willich, DE

Key dates

• Filing date: Aug 19, 1983
• Grant date: Dec 30, 1986
• Expiry date: Aug 19, 2003

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B21B2027/083
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A roll for the support and transport of ingots is disclosed including a core with a helical duct along the periphery covered by a thin sleeve being secured to the groove or duct separating ridges by welding making sure that coolant cannot flow transverse to the duct and that the sleeve cannot slip off the core. A particular welding technique as employed has broader applications including joining plate or sheet stock.