Discharge device for bulk containers for particulate bulk materials and its use

US5988436A · kind A · utility

Assignee

• Degussa AG · DE

Inventors

• Rainer Kohlen · Usingen, DE
• Alexander Ruhs · Rheinfelden (Baden), DE
• Wolfgang Leonhardt · Frankfurt, DE

Key dates

• Filing date: Apr 24, 1998
• Grant date: Nov 23, 1999
• Expiry date: Apr 24, 2018

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65G53/4633
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

Problems encountered when discharging bulk containers using a blow-through rotary valve can be avoided by the discharge device, according to the invention, in which a vent connection of the rotary valve is in connection with the internal chamber of the container through a filter hose open on both ends.