Extension attachment for a bulk material container

US7918720B2 · kind B2 · utility

Inventors

• Jan-Hendrik Mohr · Borken, DE
• Ulrich Claes · Dissen, DE
• Christopher Vieregge · Dörentrup, DE

Key dates

• Filing date: Jan 18, 2008
• Grant date: Apr 5, 2011
• Expiry date: Sep 28, 2028

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65D88/123
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

To increase the capacity of an extension attachment for a bulk material container comprising a frame (32) and a plurality of flaps (33, 34) linked to the frame (32), which are capable of swivelling and, in a swivelled-out position, surround an internal space (31) of the extension attachment, the internal surface (28) facing the internal space (31) of at least of one of the flaps (33) has a concave shape in the swivelled-out position.