GB1316481A - Method and means for excavating an underwater trench - Google Patents

Method and means for excavating an underwater trench

Info

Publication number
GB1316481A
GB1316481A GB1316481DA GB1316481A GB 1316481 A GB1316481 A GB 1316481A GB 1316481D A GB1316481D A GB 1316481DA GB 1316481 A GB1316481 A GB 1316481A
Authority
GB
United Kingdom
Prior art keywords
water
air
pipe
cable
tubes
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
Application number
Other languages
English (en)
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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan Ltd
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 Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Publication of GB1316481A publication Critical patent/GB1316481A/en
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
    • E02F3/92—Digging elements, e.g. suction heads
    • E02F3/9212—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel
    • 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
    • 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

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)
GB1316481D 1970-04-08 1970-05-04 Method and means for excavating an underwater trench Expired GB1316481A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2932270 1970-04-08

Publications (1)

Publication Number Publication Date
GB1316481A true GB1316481A (en) 1973-05-09

Family

ID=12272972

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1316481D Expired GB1316481A (en) 1970-04-08 1970-05-04 Method and means for excavating an underwater trench

Country Status (4)

Country Link
DE (1) DE2029813A1 (enExample)
FR (1) FR2092170A5 (enExample)
GB (1) GB1316481A (enExample)
NL (1) NL7006502A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170030050A1 (en) * 2015-07-28 2017-02-02 Bryan A. Norman Underwater trenching apparatus
US9834907B1 (en) * 2016-06-08 2017-12-05 Thomas S. Rooney System and method of concurrently trenching, laying and burying underwater pipeline

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT951208B (it) * 1972-04-07 1973-06-30 Tecnomare Spa Veicolo sottomarino per interrare cavi e condotte
US4149326A (en) * 1975-02-11 1979-04-17 Saipem S.P.A. Machine for digging a trench beneath a submerged pipeline
NO773409L (no) * 1976-10-08 1978-04-11 Vickers Ltd Fremgangsmaate og anordning til graving av groefter
IT1138764B (it) * 1981-05-04 1986-09-17 Snam Progetti Dispositivo per interramento o dissotterramento di condotte subacquee

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170030050A1 (en) * 2015-07-28 2017-02-02 Bryan A. Norman Underwater trenching apparatus
US9725877B2 (en) * 2015-07-28 2017-08-08 Bryan A. Norman Underwater trenching apparatus
US9834907B1 (en) * 2016-06-08 2017-12-05 Thomas S. Rooney System and method of concurrently trenching, laying and burying underwater pipeline

Also Published As

Publication number Publication date
FR2092170A5 (enExample) 1971-01-21
NL7006502A (enExample) 1971-10-12
DE2029813A1 (de) 1971-10-28

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees