Turbulent-water way

US4337704A · kind A · utility

Assignee

• Mannesmann DeMag A.G. · DE

Inventors

• Klaus Becker · Wetter, DE
• Jurgen Cittrich · Wetter, DE
• Karl-Ernst Kaufmann · Wetter, DE

Key dates

• Filing date: May 28, 1980
• Grant date: Jul 6, 1982
• Expiry date: May 28, 2000

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A63G3/00
• WIPO field: Furniture, games
• WIPO sector: Other fields

Abstract

A turbulent waterway, having boats guided in a trough made from bargrating, individual plates of which are connected with each other, the side of the trough being covered with a dense synthetic plastic film.