Moulding sand supply apparatus and method
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United States of America Patent
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Issued Date -
Jun 21, 2007
app pub date -
May 19, 2004
filing date -
May 19, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In a moulding sand supply apparatus comprising a sand reservoir (2) for delivering sand (3) to a mainly horizontal belt conveyor (4), the belt conveyor (4) is controlled to deliver sand for filling a flask (5) positioned to receive sand falling from the belt conveyor (3). A controller (6) controls the speed of the belt conveyor (4) according to a speed profile providing varying trajectories for the delivered sand, which results in a controlled distribution of the sand (3) in the flask (5) in the transport direction of the belt conveyor (4). In this way, a simple and flexible control of the distribution of the sand (3) in the flask (5) can be obtained.
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