Underwater trenching apparatus
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United States of America Patent
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Nov 29, 2016
Grant Date -
Sep 25, 2014
app pub date -
Oct 26, 2012
filing date -
Oct 26, 2011
priority date (Note) -
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Abstract
An underwater trenching apparatus comprising a soil cutting arrangement having a forwardly disposed cutting portion and a rearwardly disposed non-cutting portion, a soil removal device configured to remove soil from a location forward of the soil cutting arrangement and barrier device located and configured substantially to prevent passage of soil to the non-cutting portion of the soil cutting arrangement. The soil cutting arrangement is typically a rockwheel or chain cutter. The soil removal device is typically a dredge pump or eductor.
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