Suction nozzle dredge head

Details Suction nozzle dredge head Suction nozzle dredge head

E - Fixed Constructions

02

F

262/31

E02F 3/92 (2006.01)

Patent

CA 1111869

TITLE IMPROVED SUCTION NOZZLE DREDGE HEAD ABSTRACT This invention provides means to mechanically assist suction action of a nozzle dredge head in dislodging particles embedded, e.g., on the ocean floor. The mechanical assist means comprises a plurality of fingers extending downwardly from along the upper edge of an obliquely downwardly and forwardly facing nozzle opening. The fingers are resiliently connected to the nozzle and capable of being bent under so as to be juxtaposed across, and thus temporarily block, the nozzle opening, whereby the intake of oversized particles is prevented.

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