Cutter head for dredging ground and method for dredging using this cutter head
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United States of America Patent
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Aug 25, 2015
Grant Date -
Nov 10, 2011
app pub date -
Nov 11, 2009
filing date -
Nov 12, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A cutter head for dredging ground under water is disclosed. The cutter head is suitable for attachment to the ladder of a cutter suction dredger and for being moved through the ground therewith in a lateral sweeping movement. The cutter head includes a rotation-symmetrical revolving body which is rotatable around its rotation axis by means of drive means and which is provided along its peripheral surface with a number of cutting tools for penetrating into the ground, wherein the rotation axis of the cutter head runs substantially perpendicularly of the longitudinal direction of the ladder and substantially tangentially to the direction of the sweeping movement. Likewise, a method for breaking ground underwater, making use of the cutter head is shown.
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