Apparatus and method for reclaiming abrasive blasting material and screening device for separating abrasive blasting material
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United States of America Patent
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Mar 8, 2016
Grant Date -
Nov 13, 2014
app pub date -
Jul 22, 2014
filing date -
Apr 28, 2011
priority date (Note) -
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Abstract
An apparatus for reclaiming abrasive blasting material comprises a prime mover, a vacuum pump and a separator unit for separating the abrasive blasting material in the contaminated abrasive blasting material from contaminants. The vacuum pick-up draws the contaminated abrasive blasting material. The separator unit includes a screening device for separating and reclaiming the abrasive blasting material. The screening device comprises a support member having a longitudinal axis and a transverse axis, and an endless flexible screen belt mounted to the support member so as to be movable along an endless closed loop in the direction of the longitudinal axis. The screen belt has a plurality of openings being sized to allow particles of the abrasive blasting material of a desired size to fall therethrough by gravity and to prevent the contaminants larger than the abrasive blasting material from falling therethrough.
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