JPS572879B2 - - Google Patents

Info

Publication number
JPS572879B2
JPS572879B2 JP14337473A JP14337473A JPS572879B2 JP S572879 B2 JPS572879 B2 JP S572879B2 JP 14337473 A JP14337473 A JP 14337473A JP 14337473 A JP14337473 A JP 14337473A JP S572879 B2 JPS572879 B2 JP S572879B2
Authority
JP
Japan
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
JP14337473A
Other languages
Japanese (ja)
Other versions
JPS49101202A (de
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 filed Critical
Publication of JPS49101202A publication Critical patent/JPS49101202A/ja
Publication of JPS572879B2 publication Critical patent/JPS572879B2/ja
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/92Digging elements, e.g. suction heads
    • E02F3/9243Passive suction heads with no mechanical cutting means
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C50/00Obtaining 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)
  • Cleaning Or Clearing Of The Surface Of Open Water (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
JP14337473A 1972-12-21 1973-12-21 Expired JPS572879B2 (de)

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
JPS49101202A JPS49101202A (de) 1974-09-25
JPS572879B2 true JPS572879B2 (de) 1982-01-19

Family

ID=23232412

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14337473A Expired JPS572879B2 (de) 1972-12-21 1973-12-21

Country Status (6)

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

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
WO2020172434A1 (en) * 2019-02-20 2020-08-27 Deep Reach Technology, 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
FR2211587B1 (de) 1981-04-30
FR2211587A1 (de) 1974-07-19
JPS49101202A (de) 1974-09-25
US3802740A (en) 1974-04-09
GB1405997A (en) 1975-09-10
CA994819A (en) 1976-08-10
DE2363048A1 (de) 1974-07-04

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