ES426530A1 - Perfeccionamientos en maquinas de obras publicas. - Google Patents

Perfeccionamientos en maquinas de obras publicas.

Info

Publication number
ES426530A1
ES426530A1 ES426530A ES426530A ES426530A1 ES 426530 A1 ES426530 A1 ES 426530A1 ES 426530 A ES426530 A ES 426530A ES 426530 A ES426530 A ES 426530A ES 426530 A1 ES426530 A1 ES 426530A1
Authority
ES
Spain
Prior art keywords
section
jib
frame
pivotally mounted
pivotal movement
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
ES426530A
Other languages
English (en)
Spanish (es)
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.)
Poclain SA
Original Assignee
Poclain SA
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 Poclain SA filed Critical Poclain SA
Publication of ES426530A1 publication Critical patent/ES426530A1/es
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/087—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods by means of a swinging arm

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Jib Cranes (AREA)
  • Forklifts And Lifting Vehicles (AREA)
ES426530A 1973-05-21 1974-05-21 Perfeccionamientos en maquinas de obras publicas. Expired ES426530A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7318363A FR2230808B1 (xx) 1973-05-21 1973-05-21

Publications (1)

Publication Number Publication Date
ES426530A1 true ES426530A1 (es) 1976-07-01

Family

ID=9119659

Family Applications (1)

Application Number Title Priority Date Filing Date
ES426530A Expired ES426530A1 (es) 1973-05-21 1974-05-21 Perfeccionamientos en maquinas de obras publicas.

Country Status (10)

Country Link
US (1) US3881555A (xx)
JP (1) JPS5710273B2 (xx)
AR (1) AR201044A1 (xx)
BE (1) BE815277A (xx)
BR (1) BR7403587D0 (xx)
DE (1) DE2424486A1 (xx)
ES (1) ES426530A1 (xx)
FR (1) FR2230808B1 (xx)
GB (1) GB1452442A (xx)
IT (1) IT1014218B (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4130168A (en) * 1976-10-13 1978-12-19 Foresight Industries Downcrowding boom assembly
GB1592424A (en) * 1977-01-29 1981-07-08 Shimoda Y Apparatus for forcing an auger screw into the ground
US4214639A (en) * 1979-04-04 1980-07-29 Anderson Stanley J Suspended drilling system
CA1229333A (en) * 1984-09-07 1987-11-17 Bernard L. Gien Truck mounted drilling machine
GB2167105B (en) * 1984-10-03 1988-05-05 Lucas Brian Ronald Apparatus for use in drilling
US4753300A (en) * 1984-10-03 1988-06-28 Triten Corporation Hydraulic top drive for wells
DE3735304A1 (de) * 1987-10-17 1989-05-03 Bruno Brosch Maschine zum herstellen von loechern im erdreich
WO2006089368A1 (en) * 2005-02-28 2006-08-31 Glen William Lapham Hydraulic attachment for skid-steer loaders

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2557637A (en) * 1945-03-10 1951-06-19 Danuser Henry Earth-boring apparatus
US3073397A (en) * 1959-05-11 1963-01-15 Mccabe Powers Body Co Portable digger
US3213948A (en) * 1962-03-12 1965-10-26 Ohio Brass Co Derrick
US3240279A (en) * 1963-06-04 1966-03-15 Ohio Brass Co Fluid transmission mechanism
FR1381766A (fr) * 1964-01-29 1964-12-14 Ohio Brass Co Chevalement de forage
US3306374A (en) * 1964-04-23 1967-02-28 Atlas Copco Ab Polar positioning device for rock drills
SE343104B (xx) * 1970-02-19 1972-02-28 Atlas Copco Ab
US3604521A (en) * 1970-03-27 1971-09-14 Servis Equipment Co Earth boring apparatus

Also Published As

Publication number Publication date
FR2230808A1 (xx) 1974-12-20
GB1452442A (en) 1976-10-13
BR7403587D0 (pt) 1974-12-31
AR201044A1 (es) 1975-02-06
IT1014218B (it) 1977-04-20
FR2230808B1 (xx) 1976-04-23
BE815277A (fr) 1974-09-16
JPS5020506A (xx) 1975-03-04
JPS5710273B2 (xx) 1982-02-25
DE2424486A1 (de) 1974-12-12
US3881555A (en) 1975-05-06

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