CA2078688C - Methode et appareil pour etandre des tuyaux et des cables au fond de la mer ayant des jets rotatifs ou oscillant et l'enlevement de bloc - Google Patents

Methode et appareil pour etandre des tuyaux et des cables au fond de la mer ayant des jets rotatifs ou oscillant et l'enlevement de bloc

Info

Publication number
CA2078688C
CA2078688C CA002078688A CA2078688A CA2078688C CA 2078688 C CA2078688 C CA 2078688C CA 002078688 A CA002078688 A CA 002078688A CA 2078688 A CA2078688 A CA 2078688A CA 2078688 C CA2078688 C CA 2078688C
Authority
CA
Canada
Prior art keywords
nozzles
jet
jets
discs
curved
Prior art date
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 - Fee Related
Application number
CA002078688A
Other languages
English (en)
Other versions
CA2078688A1 (fr
Inventor
Trevor John Smith
William Preston Croager
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.)
Cable and Wireless PLC
Original Assignee
British Telecommunications PLC
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
Priority claimed from GB909006429A external-priority patent/GB9006429D0/en
Priority claimed from GB909017397A external-priority patent/GB9017397D0/en
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Publication of CA2078688A1 publication Critical patent/CA2078688A1/fr
Application granted granted Critical
Publication of CA2078688C publication Critical patent/CA2078688C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/10—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables
    • E02F5/104—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables for burying conduits or cables in trenches under water
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/10—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables
    • E02F5/104—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables for burying conduits or cables in trenches under water
    • E02F5/107—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables for burying conduits or cables in trenches under water using blowing-effect devices, e.g. jets
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/10—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables
    • E02F5/104—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables for burying conduits or cables in trenches under water
    • E02F5/108—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables for burying conduits or cables in trenches under water using suction-effect devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Ceramic Products (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Earth Drilling (AREA)
  • Electric Cable Installation (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
CA002078688A 1990-03-22 1991-03-14 Methode et appareil pour etandre des tuyaux et des cables au fond de la mer ayant des jets rotatifs ou oscillant et l'enlevement de bloc Expired - Fee Related CA2078688C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9006429.6 1990-03-22
GB909006429A GB9006429D0 (en) 1990-03-22 1990-03-22 Improvements in fluid-based excavating
GB9017397.2 1990-08-08
GB909017397A GB9017397D0 (en) 1990-08-08 1990-08-08 Improvements in fluid-based excavating

Publications (2)

Publication Number Publication Date
CA2078688A1 CA2078688A1 (fr) 1991-09-23
CA2078688C true CA2078688C (fr) 1996-07-23

Family

ID=26296827

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002078688A Expired - Fee Related CA2078688C (fr) 1990-03-22 1991-03-14 Methode et appareil pour etandre des tuyaux et des cables au fond de la mer ayant des jets rotatifs ou oscillant et l'enlevement de bloc

Country Status (7)

Country Link
EP (1) EP0521032B1 (fr)
JP (1) JPH05505222A (fr)
AT (1) ATE137833T1 (fr)
CA (1) CA2078688C (fr)
DE (1) DE69119411T2 (fr)
ES (1) ES2089200T3 (fr)
WO (1) WO1991014834A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1016635C2 (nl) * 2000-08-28 2002-03-01 Hollandsche Betongroep Nv Inrichting en werkwijze voor het aanbrengen van een sleuf in de bodem van een watergebied.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1653027A (en) * 1927-04-11 1927-12-20 Frederic L Ward Hydraulic excavating apparatus
US1688109A (en) * 1927-05-10 1928-10-16 Berry Fred Forrest Metallic-value recoverer
US2956354A (en) * 1956-06-14 1960-10-18 Charles W Varner Dredging apparatus
FR1242432A (fr) * 1958-11-03 1960-09-30 Acrow Eng Ltd Drague suceuse
US3019535A (en) * 1960-07-25 1962-02-06 David R Talbott Apparatus for removing matter from the bottom of waterways
IT1138764B (it) * 1981-05-04 1986-09-17 Snam Progetti Dispositivo per interramento o dissotterramento di condotte subacquee

Also Published As

Publication number Publication date
DE69119411D1 (de) 1996-06-13
EP0521032B1 (fr) 1996-05-08
DE69119411T2 (de) 1996-11-21
ES2089200T3 (es) 1996-10-01
ATE137833T1 (de) 1996-05-15
CA2078688A1 (fr) 1991-09-23
WO1991014834A1 (fr) 1991-10-03
JPH05505222A (ja) 1993-08-05
EP0521032A1 (fr) 1993-01-07

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Legal Events

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