Apparatus for handling fine bulk material
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United States of America Patent
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Mar 28, 2017
Issued Date -
N/A
app pub date -
Aug 25, 2016
filing date -
Oct 6, 2014
priority date (Note) -
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Abstract
Apparatus including a support; first tubular conduit of gas impermeable material having open and closed ends providing an axially disposed passageway with at least one radial outlet; a second tubular conduit of gas permeable material encompassing and spaced from such first tubular conduit, having closed ends, providing a first annular passageway communicating with the radial outlet; a third tubular conduit of gas impermeable material mounted on such support, encompassing and spaced from such second tubular conduit, providing a second annular passageway having open and closed ends and having an inlet at such closed end, a helical member mounted coaxially on such second tubular member, and a device for rotating the first tubular conduit and method using same wherein air under pressure travels from the axially disposed passageway, through the radial outlet into the first annular passageway and through the gas permeable material into the second annular passageway.
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