Material conveying equipment with control for paving materials using ultrasonic waves
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United States of America Patent
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-
Apr 18, 1989
Grant Date -
N/A
app pub date -
Feb 17, 1987
filing date -
Feb 17, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A sensing arrangement for sensing the level of a bulk material, such as the paving material fed by a paving machine, comprises an ultrasonic transducer spaced from the paving material for controlling the feed of material.
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