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
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)
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 (no) | 1974-09-25 |
| JPS572879B2 true JPS572879B2 (no) | 1982-01-19 |
Family
ID=23232412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14337473A Expired JPS572879B2 (no) | 1972-12-21 | 1973-12-21 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3802740A (no) |
| JP (1) | JPS572879B2 (no) |
| CA (1) | CA994819A (no) |
| DE (1) | DE2363048A1 (no) |
| FR (1) | FR2211587B1 (no) |
| GB (1) | GB1405997A (no) |
Families Citing this family (13)
| 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)
| 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 |
-
1972
- 1972-12-21 US US00317166A patent/US3802740A/en not_active Expired - Lifetime
-
1973
- 1973-10-12 CA CA183,300A patent/CA994819A/en not_active Expired
- 1973-12-05 GB GB5625273A patent/GB1405997A/en not_active Expired
- 1973-12-19 DE DE2363048A patent/DE2363048A1/de not_active Withdrawn
- 1973-12-20 FR FR7345847A patent/FR2211587B1/fr not_active Expired
- 1973-12-21 JP JP14337473A patent/JPS572879B2/ja not_active Expired
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 |
| FR2211587B1 (no) | 1981-04-30 |
| FR2211587A1 (no) | 1974-07-19 |
| JPS49101202A (no) | 1974-09-25 |