FR1259185A - Perforatrice au rocher à jambe d'avance pivotante - Google Patents

Perforatrice au rocher à jambe d'avance pivotante

Info

Publication number
FR1259185A
FR1259185A FR828923A FR828923A FR1259185A FR 1259185 A FR1259185 A FR 1259185A FR 828923 A FR828923 A FR 828923A FR 828923 A FR828923 A FR 828923A FR 1259185 A FR1259185 A FR 1259185A
Authority
FR
France
Prior art keywords
punch
rock
feed leg
pivoting feed
pivoting
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
FR828923A
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.)
Joy Manufacturing Co
Original Assignee
Joy Manufacturing Co
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 Joy Manufacturing Co filed Critical Joy Manufacturing Co
Priority to FR828923A priority Critical patent/FR1259185A/fr
Application granted granted Critical
Publication of FR1259185A publication Critical patent/FR1259185A/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
    • E21B19/087—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)
FR828923A 1960-06-02 1960-06-02 Perforatrice au rocher à jambe d'avance pivotante Expired FR1259185A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR828923A FR1259185A (fr) 1960-06-02 1960-06-02 Perforatrice au rocher à jambe d'avance pivotante

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR828923A FR1259185A (fr) 1960-06-02 1960-06-02 Perforatrice au rocher à jambe d'avance pivotante

Publications (1)

Publication Number Publication Date
FR1259185A true FR1259185A (fr) 1961-04-21

Family

ID=8732660

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828923A Expired FR1259185A (fr) 1960-06-02 1960-06-02 Perforatrice au rocher à jambe d'avance pivotante

Country Status (1)

Country Link
FR (1) FR1259185A (fr)

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