Title:
Submarine mining tool
Document Type and Number:
Japanese Patent JP6029671
Kind Code:
B2
Abstract:
A suction mouth (10) for mounting on the front of a subsea mining tool and to be pushed into sediment. The suction mouth comprises a hollow body (12) having an entrance opening (14) and an exit opening (16), wherein the body converges from the entrance opening towards the exit opening. The entrance opening has a lower lip (20) and an upper lip (22), and the upper lip comprises an extension (22a) projecting forwardly and upwardly relative to the lower lip to form a canopy over the entrance opening. The suction mouth (10) may include a valve (30) on the body downstream of the entrance opening which is operable to selectively provide a further entrance opening into the body. Where such a valve is present, the consistency of the material sucked in can be regulated.
Inventors:
Patriceu, Dan Costache
Application Number:
JP2014532281A
Publication Date:
November 24, 2016
Filing Date:
October 02, 2012
Export Citation:
Assignee:
Marine Resources Exploration International BV
International Classes:
E21C50/00; E02F3/88; E02F3/92; E02F5/00
Domestic Patent References:
| JP58153892A | ||||
| JP58094596A | ||||
| JP57050240B2 | ||||
| JP2256792A | ||||
| JP62117988A | ||||
| JP2266088A | ||||
| JP52022401U | ||||
| JP55114795A | ||||
| JP2005532836A |
Foreign References:
| US3783535 | ||||
| WO1994028256A1 | ||||
| WO2012163865A2 | ||||
| WO2005021878A1 | ||||
| US4681372 | ||||
| GB2491570A |
Attorney, Agent or Firm:
Ikeda adult
Junichiro Sakamaki
Masakazu Noda
Kazuhiro Yamaguchi
Junichiro Sakamaki
Masakazu Noda
Kazuhiro Yamaguchi