NL7901213A - Graafmachine. - Google Patents

Graafmachine.

Info

Publication number
NL7901213A
NL7901213A NL7901213A NL7901213A NL7901213A NL 7901213 A NL7901213 A NL 7901213A NL 7901213 A NL7901213 A NL 7901213A NL 7901213 A NL7901213 A NL 7901213A NL 7901213 A NL7901213 A NL 7901213A
Authority
NL
Netherlands
Prior art keywords
excavator
Prior art date
Application number
NL7901213A
Other languages
English (en)
Original Assignee
Land & Marine Eng 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 Land & Marine Eng Ltd filed Critical Land & Marine Eng Ltd
Publication of NL7901213A publication Critical patent/NL7901213A/nl

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
    • E02F5/105—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 self-propulsed units moving on the underwater bottom
    • 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)
  • Electric Cable Installation (AREA)
  • Earth Drilling (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Underground Or Underwater Handling Of Building Materials (AREA)
NL7901213A 1978-02-16 1979-02-15 Graafmachine. NL7901213A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB610378 1978-02-16

Publications (1)

Publication Number Publication Date
NL7901213A true NL7901213A (nl) 1979-08-20

Family

ID=9808438

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7901213A NL7901213A (nl) 1978-02-16 1979-02-15 Graafmachine.

Country Status (5)

Country Link
BE (1) BE874193A (nl)
DE (1) DE2905539A1 (nl)
FR (1) FR2417593A1 (nl)
NL (1) NL7901213A (nl)
NO (1) NO149899C (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103114620B (zh) * 2013-02-28 2015-02-11 江苏华西村海洋工程服务有限公司 大功率潜水射流前后喷冲气举海底管线挖沟机及挖沟工艺

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2411140A1 (de) * 1974-03-08 1975-11-13 Orenstein & Koppel Ag Vorrichtung zum einbetten von auf einem gewaessergrund liegenden rohren
US4037422A (en) * 1975-09-04 1977-07-26 J. Ray Mcdermott & Co. Inc. Articulated jet sled

Also Published As

Publication number Publication date
BE874193A (fr) 1979-08-16
NO149899B (no) 1984-04-02
NO149899C (no) 1984-07-18
FR2417593A1 (fr) 1979-09-14
DE2905539A1 (de) 1979-08-23
FR2417593B3 (nl) 1981-11-27
NO790488L (no) 1979-08-17

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BV The patent application has lapsed