FR1058981A - Perforatrice et en particulier perforatrice rotative pour mines - Google Patents

Perforatrice et en particulier perforatrice rotative pour mines

Info

Publication number
FR1058981A
FR1058981A FR1058981DA FR1058981A FR 1058981 A FR1058981 A FR 1058981A FR 1058981D A FR1058981D A FR 1058981DA FR 1058981 A FR1058981 A FR 1058981A
Authority
FR
France
Prior art keywords
punch
mines
particular rotary
rotary punch
rotary
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
English (en)
Inventor
Albrecht Grafer
Sse Hugo Nu
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 filed Critical
Application granted granted Critical
Publication of FR1058981A publication Critical patent/FR1058981A/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
    • E21B19/24—Guiding or centralising devices for drilling rods or pipes

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)
FR1058981D 1951-04-05 1952-03-31 Perforatrice et en particulier perforatrice rotative pour mines Expired FR1058981A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1058981X 1951-04-05

Publications (1)

Publication Number Publication Date
FR1058981A true FR1058981A (fr) 1954-03-22

Family

ID=7718286

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1058981D Expired FR1058981A (fr) 1951-04-05 1952-03-31 Perforatrice et en particulier perforatrice rotative pour mines

Country Status (1)

Country Link
FR (1) FR1058981A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2481359A1 (fr) * 1980-04-24 1981-10-30 Salzgitter Maschinen Ag Perforatrice pour roches avec affut portant des moyens d'avance flexibles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2481359A1 (fr) * 1980-04-24 1981-10-30 Salzgitter Maschinen Ag Perforatrice pour roches avec affut portant des moyens d'avance flexibles

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