NZ179923A - Counter rotating disc digger which clamps about a submerged pipeline and moves along it in either direction - Google Patents

Counter rotating disc digger which clamps about a submerged pipeline and moves along it in either direction

Info

Publication number
NZ179923A
NZ179923A NZ179923A NZ17992376A NZ179923A NZ 179923 A NZ179923 A NZ 179923A NZ 179923 A NZ179923 A NZ 179923A NZ 17992376 A NZ17992376 A NZ 17992376A NZ 179923 A NZ179923 A NZ 179923A
Authority
NZ
New Zealand
Prior art keywords
digger
clamps
moves along
rotating disc
counter rotating
Prior art date
Application number
NZ179923A
Other languages
English (en)
Inventor
G Casagrande
G Rosa
G Bonvini
U Giovannini
N Predonzani
F Po
Original Assignee
Saipem Spa
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 Saipem Spa filed Critical Saipem Spa
Publication of NZ179923A publication Critical patent/NZ179923A/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/02—Travelling-gear, e.g. associated with slewing gears
    • E02F9/04—Walking gears moving the dredger forward step-by-step
    • E02F9/045—Walking gears moving the dredger forward step-by-step for 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
    • E02F5/105—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
    • E02F5/108—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
    • 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
    • E02F5/109—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 rotating digging elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
NZ179923A 1975-02-11 1976-02-04 Counter rotating disc digger which clamps about a submerged pipeline and moves along it in either direction NZ179923A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20072/75A IT1031567B (it) 1975-02-11 1975-02-11 Apparecchiatura per scavare una trincea al di sotto di una tubzione sommersa e relativo metodo d impiego

Publications (1)

Publication Number Publication Date
NZ179923A true NZ179923A (en) 1978-04-28

Family

ID=11163575

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ179923A NZ179923A (en) 1975-02-11 1976-02-04 Counter rotating disc digger which clamps about a submerged pipeline and moves along it in either direction

Country Status (21)

Country Link
JP (1) JPS5856771B2 (xx)
AR (1) AR208354A1 (xx)
AU (1) AU497719B2 (xx)
BE (1) BE838377A (xx)
BR (1) BR7600883A (xx)
CA (1) CA1028513A (xx)
DE (1) DE2605373C3 (xx)
DK (1) DK149138C (xx)
EG (1) EG12341A (xx)
ES (1) ES445233A1 (xx)
FI (1) FI62886C (xx)
FR (1) FR2300854A1 (xx)
GB (1) GB1492151A (xx)
IE (1) IE42271B1 (xx)
IT (1) IT1031567B (xx)
NL (1) NL163287C (xx)
NO (1) NO140863C (xx)
NZ (1) NZ179923A (xx)
OA (1) OA05245A (xx)
PT (1) PT64788B (xx)
SE (1) SE415586B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2266544C (en) * 1996-09-25 2005-04-12 Obschestvo S Ogranichennoi Otvetstvennostju Nauchno-Issledovatelsky I Te Khnichesky Tsentr "Rotor" Machine for digging under pipes and caterpillar traction device
GB0413601D0 (en) * 2003-07-04 2004-07-21 Saipem Spa Trenching apparatus and method
ITMI20092044A1 (it) * 2009-11-20 2011-05-21 Saipem Spa Metodo e gruppo di scavo per disporre una tubazione in un letto di un corpo d'acqua

Also Published As

Publication number Publication date
FI62886C (fi) 1983-03-10
OA05245A (fr) 1981-02-28
IE42271L (en) 1976-08-11
NO140863B (no) 1979-08-20
BE838377A (fr) 1976-08-09
DE2605373B2 (de) 1978-03-23
NL163287C (nl) 1980-08-15
DE2605373A1 (de) 1976-08-26
IE42271B1 (en) 1980-07-02
JPS51105101A (xx) 1976-09-17
ES445233A1 (es) 1977-06-01
JPS5856771B2 (ja) 1983-12-16
FI62886B (fi) 1982-11-30
AU497719B2 (en) 1979-01-04
PT64788B (en) 1977-07-07
DK149138C (da) 1986-07-14
NL7601410A (nl) 1976-08-13
EG12341A (en) 1978-12-31
FR2300854A1 (fr) 1976-09-10
NL163287B (nl) 1980-03-17
DK149138B (da) 1986-02-10
DK52276A (da) 1976-08-12
NO140863C (no) 1979-11-28
FI760319A (xx) 1976-08-12
GB1492151A (en) 1977-11-16
SE415586B (sv) 1980-10-13
FR2300854B1 (xx) 1979-04-06
DE2605373C3 (de) 1978-11-16
NO760427L (xx) 1976-09-27
SE7601333L (sv) 1976-08-12
CA1028513A (en) 1978-03-28
IT1031567B (it) 1979-05-10
PT64788A (en) 1976-03-01
AU1081076A (en) 1977-08-11
AR208354A1 (es) 1976-12-20
BR7600883A (pt) 1976-08-31

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