FR2092170A5 - - Google Patents

Info

Publication number
FR2092170A5
FR2092170A5 FR7015302A FR7015302A FR2092170A5 FR 2092170 A5 FR2092170 A5 FR 2092170A5 FR 7015302 A FR7015302 A FR 7015302A FR 7015302 A FR7015302 A FR 7015302A FR 2092170 A5 FR2092170 A5 FR 2092170A5
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
FR7015302A
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR2092170A5 publication Critical patent/FR2092170A5/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
    • 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)
FR7015302A 1970-04-08 1970-04-27 Expired FR2092170A5 (xx)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR2092170A5 true FR2092170A5 (xx) 1971-01-21

Family

ID=12272972

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7015302A Expired FR2092170A5 (xx) 1970-04-08 1970-04-27

Country Status (4)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2179070A1 (xx) * 1972-04-07 1973-11-16 Tecnomare Spa
FR2367154A1 (fr) * 1976-10-08 1978-05-05 Vickers Ltd Procede et appareil pour creuser des tranchees sous-marines
FR2504954A1 (fr) * 1981-05-04 1982-11-05 Snam Progetti Dispositif pour enterrer et deterrer des canalisations sous-marines

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149326A (en) * 1975-02-11 1979-04-17 Saipem S.P.A. Machine for digging a trench beneath a submerged pipeline
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2179070A1 (xx) * 1972-04-07 1973-11-16 Tecnomare Spa
FR2367154A1 (fr) * 1976-10-08 1978-05-05 Vickers Ltd Procede et appareil pour creuser des tranchees sous-marines
FR2504954A1 (fr) * 1981-05-04 1982-11-05 Snam Progetti Dispositif pour enterrer et deterrer des canalisations sous-marines

Also Published As

Publication number Publication date
GB1316481A (en) 1973-05-09
DE2029813A1 (de) 1971-10-28
NL7006502A (xx) 1971-10-12

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Legal Events

Date Code Title Description
ST Notification of lapse