FR2211587B1 - - Google Patents

Info

Publication number
FR2211587B1
FR2211587B1 FR7345847A FR7345847A FR2211587B1 FR 2211587 B1 FR2211587 B1 FR 2211587B1 FR 7345847 A FR7345847 A FR 7345847A FR 7345847 A FR7345847 A FR 7345847A FR 2211587 B1 FR2211587 B1 FR 2211587B1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7345847A
Other versions
FR2211587A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vale Canada Ltd
Original Assignee
Vale Canada Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vale Canada Ltd filed Critical Vale Canada Ltd
Publication of FR2211587A1 publication Critical patent/FR2211587A1/fr
Application granted granted Critical
Publication of FR2211587B1 publication Critical patent/FR2211587B1/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/92—Digging elements, e.g. suction heads
    • E02F3/9243—Passive suction heads with no mechanical cutting means
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C50/00—Obtaining minerals from underwater, not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Cleaning Or Clearing Of The Surface Of Open Water (AREA)
FR7345847A 1972-12-21 1973-12-20 Expired FR2211587B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00317166A US3802740A (en) 1972-12-21 1972-12-21 Concentration of minerals

Publications (2)

Publication Number Publication Date
FR2211587A1 FR2211587A1 (fr) 1974-07-19
FR2211587B1 true FR2211587B1 (fr) 1981-04-30

Family

ID=23232412

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7345847A Expired FR2211587B1 (fr) 1972-12-21 1973-12-20

Country Status (6)

Country Link
US (1) US3802740A (fr)
JP (1) JPS572879B2 (fr)
CA (1) CA994819A (fr)
DE (1) DE2363048A1 (fr)
FR (1) FR2211587B1 (fr)
GB (1) GB1405997A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988843A (en) * 1974-12-11 1976-11-02 The International Nickel Company, Inc. Mining transition chamber
US3975054A (en) * 1974-12-11 1976-08-17 The International Nickel Company, Inc. Undersea mining and separating vehicle having motor-powered water jet
US4147390A (en) * 1975-08-06 1979-04-03 Union Miniere S.A. Nodule dredging apparatus and process
JPS5243704A (en) * 1975-10-02 1977-04-06 Sumitomo Metal Mining Co Device for picking up ore on water bottom
US4070061A (en) * 1976-07-09 1978-01-24 Union Miniere Method and apparatus for collecting mineral aggregates from sea beds
JPS53100101A (en) * 1977-02-15 1978-09-01 Mitsubishi Heavy Ind Ltd Sea bottom mineral collecting device
JPS56119095A (en) * 1980-02-22 1981-09-18 Kogyo Gijutsuin Device for collecting mineral nodule distributing on surface of deposit layer of sea bottom
GB0623450D0 (en) 2006-11-24 2007-01-03 Drabble Ray Faunal friendly dredging system
BE1017861A3 (nl) * 2007-11-29 2009-09-01 Dredging Int Sleepkop van een sleephopperzuiger en werkwijze voor het baggeren met behulp van deze sleepkop.
GB2515890B (en) * 2014-05-12 2015-06-17 Barrnon Ltd Apparatus for the removal of sludge
CN106869211A (zh) * 2017-04-06 2017-06-20 中交天津航道局有限公司 一种绞吸船开挖珊瑚浅区的施工方法
CN109026007B (zh) * 2018-08-30 2023-12-01 中南大学 一种适用于稀软底质的海底行走机构
US11920471B2 (en) * 2019-02-20 2024-03-05 Deep Reach Technoloy, Inc. Methods for reducing sediment plume in deepsea nodule mining

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588174A (en) * 1969-08-01 1971-06-28 Tetra Tech Collector assembly for deep sea mining
DE2015894A1 (de) * 1970-04-03 1971-10-14 Deutsche Babcock & Wilcox Ag, 4200 Oberhausen Unterwasserschurfgerat

Also Published As

Publication number Publication date
DE2363048A1 (de) 1974-07-04
CA994819A (en) 1976-08-10
US3802740A (en) 1974-04-09
GB1405997A (en) 1975-09-10
JPS572879B2 (fr) 1982-01-19
FR2211587A1 (fr) 1974-07-19
JPS49101202A (fr) 1974-09-25

Similar Documents

Publication Publication Date Title
JPS4930544A (fr)
FR2211587B1 (fr)
FR2196744A1 (fr)
FR2184066B1 (fr)
JPS4873620A (fr)
JPS5325455B2 (fr)
JPS4915536U (fr)
JPS4918326U (fr)
JPS5153041Y2 (fr)
JPS5322897B2 (fr)
JPS4942175A (fr)
FR2167244B1 (fr)
JPS4990820A (fr)
JPS49104357U (fr)
CH569571A5 (fr)
CH587326A5 (fr)
CH567700A5 (fr)
CH567003A5 (fr)
CH586692A5 (fr)
CH569171A5 (fr)
CH585688A5 (fr)
CH569920A5 (fr)
CH570186A5 (fr)
CH570340A5 (fr)
CH570484B5 (fr)

Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse