Round bearing

US7798722B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Andreas Wulf · Goldkronach, DE
• Ralf Berelsmann · Wallenhorst, DE

Key dates

• Filing date: Jun 4, 2003
• Grant date: Sep 21, 2010
• Expiry date: Jan 9, 2027

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/249988
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

Round bearings comprise (i) an outer bush, (ii) a bearing element based on polyisocyanate polyadducts and (iii) a hollow inner bush. A surface of the outer bush and/or the hollow inner bush that is adjacent to (ii) the bearing element containing thermoplastic polyurethane.