IN168218B - - Google Patents

Info

Publication number
IN168218B
IN168218B IN994/CAL/87A IN994CA1987A IN168218B IN 168218 B IN168218 B IN 168218B IN 994CA1987 A IN994CA1987 A IN 994CA1987A IN 168218 B IN168218 B IN 168218B
Authority
IN
India
Application number
IN994/CAL/87A
Other languages
English (en)
Inventor
Henrik Erametsa
Kari Kuvaja
Kalevi Maki-Kihnia
Jorma Terava
Original Assignee
Rauma Repola Oy
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 Rauma Repola Oy filed Critical Rauma Repola Oy
Publication of IN168218B publication Critical patent/IN168218B/en

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
    • E02F3/925—Passive suction heads with no mechanical cutting means with jets
    • 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
    • E02F3/9293—Component parts of suction heads, e.g. edges, strainers for preventing the entry of stones or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Cleaning Or Clearing Of The Surface Of Open Water (AREA)
IN994/CAL/87A 1986-12-08 1987-12-22 IN168218B (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI864998A FI864998A (fi) 1986-12-08 1986-12-08 Foerfarande och anordning foer uppsamling av foeremaol fraon havsbotten.

Publications (1)

Publication Number Publication Date
IN168218B true IN168218B (fi) 1991-02-23

Family

ID=8523621

Family Applications (1)

Application Number Title Priority Date Filing Date
IN994/CAL/87A IN168218B (fi) 1986-12-08 1987-12-22

Country Status (3)

Country Link
US (1) US4842336A (fi)
FI (1) FI864998A (fi)
IN (1) IN168218B (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1007551C2 (nl) 1997-11-17 1999-05-18 Groot Nijkerk Maschf B V De Werkwijze voor het winnen en sorteren van zand.
CA2342489C (en) 2000-04-07 2004-03-23 Marc Riverin Device for sea urchins picking
CN110439053A (zh) * 2019-07-23 2019-11-12 郑丹丹 一种水利建设用河道淤泥清理设备
CN110966006B (zh) * 2019-11-20 2021-03-02 中国海洋大学 水力式海底多金属结核矿石采集机构及方法
CN114198643A (zh) * 2021-12-10 2022-03-18 上海交通大学 多金属结核矿石采集试验装置的水路控制系统及控制方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US532183A (en) * 1895-01-08 Ore sweeping and recovering device
US3624932A (en) * 1970-04-06 1971-12-07 Borden Inc Apparatus for harvesting mollusks
US4018483A (en) * 1974-09-18 1977-04-19 Smith D Kermit Process and apparatus for dislodging and conveying material from a surface with a positive pressure fluid stream
US3975054A (en) * 1974-12-11 1976-08-17 The International Nickel Company, Inc. Undersea mining and separating vehicle having motor-powered water jet
JPS5243704A (en) * 1975-10-02 1977-04-06 Sumitomo Metal Mining Co Device for picking up ore on water bottom
JPS5288501A (en) * 1976-01-20 1977-07-25 Saito Chiyuuji Device for pulling up submarine ore by circulating water due to level difference
US4141159A (en) * 1977-03-18 1979-02-27 Summa Corporation Method and apparatus for deep sea mining
FR2389533B1 (fi) * 1977-05-04 1980-02-22 Nal Expl Oceans Centre
US4368923A (en) * 1981-02-17 1983-01-18 Director-General Of Agency Of Industrial Science & Technology Nodule collector
IT1138764B (it) * 1981-05-04 1986-09-17 Snam Progetti Dispositivo per interramento o dissotterramento di condotte subacquee
US4503629A (en) * 1984-01-23 1985-03-12 Masaaki Uchida System for collecting and conveying undersea mineral resources

Also Published As

Publication number Publication date
FI864998A0 (fi) 1986-12-08
US4842336A (en) 1989-06-27
FI864998A (fi) 1988-06-09

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