US Patent 10415882 Bin system and method of regulating particulate flow from bins

A bin and method of use for containment and delivery of particulate materials has:a) a housing;b) a particulate materials support plate within the housing, the support plate having a porous structure allowing air flow therethrough;c) the support plate having a central area elevated away from the bottom of the housing and surrounding sides;d) an air flow area between the bottom of the housing and the support plate;e) a particle drop region surrounding the sides of the support plate; andf) a sealing and/or opening component within the particle drop region that seals and opens a particle drop path between the support plate and the side walls of the housing.