FR923585A - Wedge-type automatic advancement device for compressed air rock drills or the like - Google Patents

Wedge-type automatic advancement device for compressed air rock drills or the like

Info

Publication number
FR923585A
FR923585A FR923585DA FR923585A FR 923585 A FR923585 A FR 923585A FR 923585D A FR923585D A FR 923585DA FR 923585 A FR923585 A FR 923585A
Authority
FR
France
Prior art keywords
wedge
compressed air
type automatic
advancement device
rock 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.)
Montabert SAS
Original Assignee
Montabert SAS
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 Montabert SAS filed Critical Montabert SAS
Application granted granted Critical
Publication of FR923585A publication Critical patent/FR923585A/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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/02—Automatic control of the tool feed
    • E21B44/08—Automatic control of the tool feed in response to the amplitude of the movement of the percussion tool, e.g. jump or recoil

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR923585D 1946-02-04 1946-02-04 Wedge-type automatic advancement device for compressed air rock drills or the like Expired FR923585A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR923585T 1946-02-04

Publications (1)

Publication Number Publication Date
FR923585A true FR923585A (en) 1947-07-10

Family

ID=9438806

Family Applications (1)

Application Number Title Priority Date Filing Date
FR923585D Expired FR923585A (en) 1946-02-04 1946-02-04 Wedge-type automatic advancement device for compressed air rock drills or the like

Country Status (1)

Country Link
FR (1) FR923585A (en)

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