Bin for storing and discharging free flowing granular material

摘要: A bin for storing and discharging free-flowing granular material, such as sugar, has a cup-shaped bag with dual flexible wall holding the material discharge opening in its bottom resting on flat floor. Fluid under pressure between walls causes inner to expand that would otherwise remain after assuming angle of repose. The upper is provided slack above repose, anchored at side walls. also back-up outside wall.