Drag head for a trailing suction hopper dredger and method for dredging using this drag head

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United States of America Patent

PATENT NO 9476181
APP PUB NO 20110296720A1
SERIAL NO

13133859

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Abstract

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A drag head of a trailing suction hopper dredger, comprises a visor which is dragged over the bottom in a dragging direction and herein loosens soil, and a suction conduit which connects to the visor and which discharges the loosened soil. The drag head is provided with cutting bodies for loosening the soil, with the proviso that the cutting bodies comprise conical bits. Harder soil can be dredged efficiently with a trailing suction hopper dredger equipped with the drag head.

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Patent Owner(s)

Patent OwnerAddress
DREDGING INTERNATIONAL N V2070 ZWIJNDRECHT

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tack, Bruno Assenede, BE 7 34

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