Patent ID: 6036408
Filing Date: 2000-03-14
Classification: B65B,B65D,B65G

Abstract:
An extraction apparatus for bulk material comprising a suction head which leads to a suction line having at least one intake opening wherein the suction head includes guide means to continuously lower said suction line from above and into bulk material to be discharged;(a) said suction head further including an oscillation control device and a float and being configured to be buoyantly supported by and float upon the top of said bulk material to be discharged and wherein the oscillation control device includes an oscillation generator which imparts oscillatory motion to said suction head and said float;(b) said suction head further includes an extraction chamber with an opening along the bottom surface and wherein said extraction chamber is disposed in a center of the float, and wherein said at least one intake opening is disposed adjacent said extraction chamber opening; and(c) wherein said extraction chamber is tapered conically downwardly and with the distal end of said extraction chamber disposed adjacent said bottom surface opening of said extraction chamber.