FR2239562B1 - - Google Patents

Info

Publication number
FR2239562B1
FR2239562B1 FR7426646A FR7426646A FR2239562B1 FR 2239562 B1 FR2239562 B1 FR 2239562B1 FR 7426646 A FR7426646 A FR 7426646A FR 7426646 A FR7426646 A FR 7426646A FR 2239562 B1 FR2239562 B1 FR 2239562B1
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
FR7426646A
Other languages
French (fr)
Other versions
FR2239562A1 (en
Inventor
Johannes Cornelis Pors
Gerard Hokken
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.)
BOS KALIS WESTMINSTER GROUP NV
Original Assignee
BOS KALIS WESTMINSTER GROUP NV
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 BOS KALIS WESTMINSTER GROUP NV filed Critical BOS KALIS WESTMINSTER GROUP NV
Publication of FR2239562A1 publication Critical patent/FR2239562A1/fr
Application granted granted Critical
Publication of FR2239562B1 publication Critical patent/FR2239562B1/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
    • E02F3/9206—Digging devices using blowing effect only, like jets or propellers
    • 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
    • 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
    • E02F3/905—Manipulating or supporting suction pipes or ladders; Mechanical supports or floaters therefor; pipe joints for suction pipes
    • 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
    • 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)
  • Earth Drilling (AREA)
  • Bridges Or Land Bridges (AREA)
  • Ship Loading And Unloading (AREA)
  • Revetment (AREA)
FR7426646A 1973-08-01 1974-07-31 Expired FR2239562B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7310646A NL156204B (en) 1973-08-01 1973-08-01 DEVICE FOR DROWING AT VARIABLE DEPTH.

Publications (2)

Publication Number Publication Date
FR2239562A1 FR2239562A1 (en) 1975-02-28
FR2239562B1 true FR2239562B1 (en) 1981-04-17

Family

ID=19819356

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7426646A Expired FR2239562B1 (en) 1973-08-01 1974-07-31

Country Status (5)

Country Link
BE (1) BE818281A (en)
DE (1) DE2433556C3 (en)
FR (1) FR2239562B1 (en)
GB (1) GB1470308A (en)
NL (1) NL156204B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3005669A1 (en) * 1980-02-15 1981-10-01 Schüttgutfördertechnik AG, 9009 St. Gallen DEVICE FOR CONVEYING SHEET-CAPABLE GOODS, ESPECIALLY SAND STORED UNDER WATER, GRAVEL OR THE LIKE.
CN102733434B (en) * 2011-04-11 2015-01-07 中交上海航道勘察设计研究院有限公司 Method for dredging underwater polluted sediment
BE1021787B1 (en) * 2013-11-05 2016-01-18 Jan De Nul, Naamloze Vennootschap EXTENSION FOR A CUTTER PISTON CUTTER ARM, CUTTER PISTON AND PROCESS TO DISCHARGE A BOTTOM OF A WATER MASS
GB202007660D0 (en) 2019-11-18 2020-07-08 Harwich Haven Authority Dredging method and apparatus
CN112177081B (en) * 2020-09-25 2022-11-25 肖正新 Scouring device with anti-subsidence structure arranged on river channel sludge and implementation method thereof

Also Published As

Publication number Publication date
DE2433556A1 (en) 1975-02-20
DE2433556C3 (en) 1978-06-01
BE818281A (en) 1975-01-30
GB1470308A (en) 1977-04-14
FR2239562A1 (en) 1975-02-28
NL156204B (en) 1978-03-15
DE2433556B2 (en) 1977-09-29
NL7310646A (en) 1975-02-04

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Legal Events

Date Code Title Description
ST Notification of lapse