SE320344B - - Google Patents

Info

Publication number
SE320344B
SE320344B SE2087/68A SE208768A SE320344B SE 320344 B SE320344 B SE 320344B SE 2087/68 A SE2087/68 A SE 2087/68A SE 208768 A SE208768 A SE 208768A SE 320344 B SE320344 B SE 320344B
Authority
SE
Sweden
Application number
SE2087/68A
Inventor
C Ekwall
Original Assignee
Atlas Copco Ab
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 Atlas Copco Ab filed Critical Atlas Copco Ab
Priority to SE2087/68A priority Critical patent/SE320344B/xx
Priority to DE6905670U priority patent/DE6905670U/en
Priority to GB7843/69A priority patent/GB1253275A/en
Priority to US799296A priority patent/US3533477A/en
Publication of SE320344B publication Critical patent/SE320344B/xx

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)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
SE2087/68A 1968-02-16 1968-02-16 SE320344B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE2087/68A SE320344B (en) 1968-02-16 1968-02-16
DE6905670U DE6905670U (en) 1968-02-16 1969-02-13 CONTROL DEVICE FOR PRESSURE MEASURED ROCK DRILLING MACHINES AND THEIR FEED SUPPORTS
GB7843/69A GB1253275A (en) 1968-02-16 1969-02-13 Improvements in pressure fluid actuated rock drills with feed cylinder and control means therefor
US799296A US3533477A (en) 1968-02-16 1969-02-14 Pressure fluid actuated rock drill with feed cylinder and control means therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2087/68A SE320344B (en) 1968-02-16 1968-02-16

Publications (1)

Publication Number Publication Date
SE320344B true SE320344B (en) 1970-02-09

Family

ID=20259350

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2087/68A SE320344B (en) 1968-02-16 1968-02-16

Country Status (4)

Country Link
US (1) US3533477A (en)
DE (1) DE6905670U (en)
GB (1) GB1253275A (en)
SE (1) SE320344B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013122532A1 (en) * 2012-02-17 2013-08-22 Atlas Copco Constuction Tools Ab Rock drill machine with feed leg

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2333300A1 (en) * 1998-04-17 1999-10-28 Anglo Operations Limited Grip valve control system for a rock drill
SE538017C2 (en) * 2013-11-01 2016-02-09 Tools Pc Ab Const Apparatus for feeding at least part of a drill, drilling system and method for feeding at least part of a drill
CN108131126A (en) * 2018-02-09 2018-06-08 徐工集团工程机械有限公司 Control system, drill jumbo and the control method of rock drill

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013122532A1 (en) * 2012-02-17 2013-08-22 Atlas Copco Constuction Tools Ab Rock drill machine with feed leg
US9670743B2 (en) 2012-02-17 2017-06-06 Construction Tools Pc Ab Rock drill machine with feed leg

Also Published As

Publication number Publication date
DE6905670U (en) 1969-05-22
US3533477A (en) 1970-10-13
GB1253275A (en) 1971-11-10

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