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
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)
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 (es) | 1991-02-23 |
Family
ID=8523621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN994/CAL/87A IN168218B (es) | 1986-12-08 | 1987-12-22 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4842336A (es) |
FI (1) | FI864998A (es) |
IN (1) | IN168218B (es) |
Families Citing this family (5)
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)
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 (es) * | 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 |
-
1986
- 1986-12-08 FI FI864998A patent/FI864998A/fi not_active Application Discontinuation
-
1987
- 1987-12-08 US US07/130,328 patent/US4842336A/en not_active Expired - Fee Related
- 1987-12-22 IN IN994/CAL/87A patent/IN168218B/en unknown
Also Published As
Publication number | Publication date |
---|---|
FI864998A (fi) | 1988-06-09 |
US4842336A (en) | 1989-06-27 |
FI864998A0 (fi) | 1986-12-08 |
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