FR617960A - Rock or coal drilling machine - Google Patents

Rock or coal drilling machine

Info

Publication number
FR617960A
FR617960A FR617960DA FR617960A FR 617960 A FR617960 A FR 617960A FR 617960D A FR617960D A FR 617960DA FR 617960 A FR617960 A FR 617960A
Authority
FR
France
Prior art keywords
rock
drilling machine
coal drilling
coal
machine
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)
Inventor
Francois-Jacques-Bar Berry
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 FR617960A publication Critical patent/FR617960A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B19/081—Screw-and-nut feed mechanisms
FR617960D 1926-06-21 1926-06-21 Rock or coal drilling machine Expired FR617960A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR617960T 1926-06-21

Publications (1)

Publication Number Publication Date
FR617960A true FR617960A (en) 1927-03-01

Family

ID=8982673

Family Applications (1)

Application Number Title Priority Date Filing Date
FR617960D Expired FR617960A (en) 1926-06-21 1926-06-21 Rock or coal drilling machine

Country Status (1)

Country Link
FR (1) FR617960A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1224233B (en) * 1961-12-16 1966-09-08 Siemens Ag Rotary drill for rock drilling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1224233B (en) * 1961-12-16 1966-09-08 Siemens Ag Rotary drill for rock drilling

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