Pipeline padding apparatus
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United States of America Patent
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Nov 15, 1994
Issued Date -
N/A
app pub date -
Mar 22, 1993
filing date -
Oct 11, 1988
priority date (Note) -
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status (Latency Note)
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Abstract
An improved pipeline padding apparatus includes a separator for separating fine material out of spoil which is piled along side an excavation, an elevator for transporting spoil to the separator, and a pair of guide projections for guiding spoil into the elevator. A conveyor is provided to transport the separated fine portion of the spoil back into the excavation, thereby padding the pipeline. The separator, the elevator, the guide projections and the vehicle are all mounted on a tracked support vehicle. In one embodiment, the motor of the tracked support vehicle is mounted above and forward of the elevator, which helps reduce the amount of dust that the motor is exposed to during operation. According to another aspect of the invention, the guide projections may be configured to allow excess spoil to flow underneath in such a manner as to smooth out a path for the tracks of the support vehicle.
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