COIN RETRIEVAL FROM REFUSE
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United States of America Patent
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app pub date -
Aug 6, 2007
filing date -
Aug 6, 2007
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Abandoned
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Abstract
An apparatus and method for screening out coins from a non-ferrous residue throughput of a resource recovery facility, and including a trommel comprised of an open ended drum. The cylindrical portion of the drum is formed of spaced-apart elongate pipe members defining a screen extending between the inlet end and the outlet end of the drum. The drum is rotatable along its longitudinal axis and positioned such that the non-ferrous residue throughput moves from the inlet end to the outlet end as the drum rotates and tumbles the residue in a progressive helix pattern to cause the screening out of coins from the residue throughput, with the screened coins exiting through the space between the elongate pipe members and the remaining residue throughput being discharged through the outlet end of the drum.
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