A drum-like container of fiberboard or similar material supplied in flat knocked-down form and adapted to be set up to serve as a shipping and dispensing container for bulk material. It is provided with a funnel-like dispensing bottom made up of fiberboard segmental wedge-shaped bottom insert sections...http://www.google.es/patents/US4240565?utm_source=gb-gplus-sharePatente US4240565 - Drum-like fiberboard container for bulk material with funnel-like dispensing bottom
Drum-like fiberboard container for bulk material with funnel-like dispensing ...
