A container body of fiberboard or the like of rectangular form with a funnel-like dispensing bottom composed of a plurality of segmental insert sections, each of which is wedge shaped in both horizontal and vertical cross-sections to tightly wedge in place and direct material from the four upstanding...http://www.google.es/patents/US4342405?utm_source=gb-gplus-sharePatente US4342405 - Rectangular fiberboard container for bulk material with funnel-like dispensing bottom
Rectangular fiberboard container for bulk material with funnel-like ...
