FR910585A - Method and installation for supporting, guiding and propelling pneumatic hammer drills - Google Patents

Method and installation for supporting, guiding and propelling pneumatic hammer drills

Info

Publication number
FR910585A
FR910585A FR910585DA FR910585A FR 910585 A FR910585 A FR 910585A FR 910585D A FR910585D A FR 910585DA FR 910585 A FR910585 A FR 910585A
Authority
FR
France
Prior art keywords
guiding
installation
supporting
pneumatic hammer
hammer drills
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
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.)
RATIONALISATION DE TRAVAUX MIN
Original Assignee
RATIONALISATION DE TRAVAUX MIN
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 RATIONALISATION DE TRAVAUX MIN filed Critical RATIONALISATION DE TRAVAUX MIN
Application granted granted Critical
Publication of FR910585A publication Critical patent/FR910585A/en
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
    • E21B19/086—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 with a fluid-actuated cylinder

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)
FR910585D 1944-01-15 1945-05-04 Method and installation for supporting, guiding and propelling pneumatic hammer drills Expired FR910585A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE910585X 1944-01-15

Publications (1)

Publication Number Publication Date
FR910585A true FR910585A (en) 1946-06-12

Family

ID=3885894

Family Applications (1)

Application Number Title Priority Date Filing Date
FR910585D Expired FR910585A (en) 1944-01-15 1945-05-04 Method and installation for supporting, guiding and propelling pneumatic hammer drills

Country Status (1)

Country Link
FR (1) FR910585A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992019837A2 (en) * 1991-04-25 1992-11-12 Ing. G. Klemm Bohrtechnik Gmbh Earth borer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992019837A2 (en) * 1991-04-25 1992-11-12 Ing. G. Klemm Bohrtechnik Gmbh Earth borer
WO1992019837A3 (en) * 1991-04-25 1993-02-18 Klemm Bohrtech Earth borer

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