Multi-lumen tube arrangement

US4865081A · kind A · utility

Assignee

• 501 Fresenius AG · DE

Inventors

• Hans-Jürgen Neumann · Sankt Wendel, DE
• Wolfram Weber · Friedrichsthal, DE

Key dates

• Filing date: Sep 18, 1987
• Grant date: Sep 12, 1989
• Expiry date: Sep 18, 2007

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T29/49881
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Multi-lumen tube arrangement for use in a sliding-seal-free centrifuge comprising a plurality of equilength individual tubes (12, 14, 36, 38, 40, 42) which after a twisting about the longitudinal axis of the tube arrangement (10) are each held fixed free of tension at their ends (16-18).