发明名称 Apparatus for controlling material flow
摘要 An apparatus for guiding the movement of flowing materials, particularly in the operation of emptying grain from a silo. The apparatus of the invention is provided with a path for guiding the flow of material. The path incorporates an aperture which admits air to the path in the direction of the flowing material.
申请公布号 US4917545(A) 申请公布日期 1990.04.17
申请号 US19870030841 申请日期 1987.03.27
申请人 LAGNEAU, JEAN H. 发明人 LAGNEAU, JEAN H.
分类号 B65G53/20;B65D88/72 主分类号 B65G53/20
代理机构 代理人
主权项
地址