FR1250978A - Perforatrice de roc, avec avance par cylindres hydrauliques - Google Patents

Perforatrice de roc, avec avance par cylindres hydrauliques

Info

Publication number
FR1250978A
FR1250978A FR820915A FR820915A FR1250978A FR 1250978 A FR1250978 A FR 1250978A FR 820915 A FR820915 A FR 820915A FR 820915 A FR820915 A FR 820915A FR 1250978 A FR1250978 A FR 1250978A
Authority
FR
France
Prior art keywords
hydraulic cylinder
rock drill
cylinder feed
feed
drill
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
FR820915A
Other languages
English (en)
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.)
Salzgitter Maschinen AG
Original Assignee
Salzgitter Maschinen AG
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 Salzgitter Maschinen AG filed Critical Salzgitter Maschinen AG
Priority to FR820915A priority Critical patent/FR1250978A/fr
Application granted granted Critical
Publication of FR1250978A publication Critical patent/FR1250978A/fr
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)
FR820915A 1960-03-10 1960-03-10 Perforatrice de roc, avec avance par cylindres hydrauliques Expired FR1250978A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR820915A FR1250978A (fr) 1960-03-10 1960-03-10 Perforatrice de roc, avec avance par cylindres hydrauliques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR820915A FR1250978A (fr) 1960-03-10 1960-03-10 Perforatrice de roc, avec avance par cylindres hydrauliques

Publications (1)

Publication Number Publication Date
FR1250978A true FR1250978A (fr) 1961-01-13

Family

ID=8726783

Family Applications (1)

Application Number Title Priority Date Filing Date
FR820915A Expired FR1250978A (fr) 1960-03-10 1960-03-10 Perforatrice de roc, avec avance par cylindres hydrauliques

Country Status (1)

Country Link
FR (1) FR1250978A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2314353A1 (fr) * 1975-06-10 1977-01-07 Secoma Glissiere destinee a la foration de trous de mine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2314353A1 (fr) * 1975-06-10 1977-01-07 Secoma Glissiere destinee a la foration de trous de mine

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