FR953145A - Reaction advancer for rock drills - Google Patents

Reaction advancer for rock drills

Info

Publication number
FR953145A
FR953145A FR953145DA FR953145A FR 953145 A FR953145 A FR 953145A FR 953145D A FR953145D A FR 953145DA FR 953145 A FR953145 A FR 953145A
Authority
FR
France
Prior art keywords
advancer
reaction
rock drills
drills
rock
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
Jean Binaut
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.)
Houilleres du Bassin du Nord et du Pas de Calais
Original Assignee
Houilleres du Bassin du Nord et du Pas de Calais
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 Houilleres du Bassin du Nord et du Pas de Calais filed Critical Houilleres du Bassin du Nord et du Pas de Calais
Application granted granted Critical
Publication of FR953145A publication Critical patent/FR953145A/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)
FR953145D 1947-09-15 1947-09-15 Reaction advancer for rock drills Expired FR953145A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR953145T 1947-09-15

Publications (1)

Publication Number Publication Date
FR953145A true FR953145A (en) 1949-11-30

Family

ID=9486955

Family Applications (1)

Application Number Title Priority Date Filing Date
FR953145D Expired FR953145A (en) 1947-09-15 1947-09-15 Reaction advancer for rock drills

Country Status (2)

Country Link
BE (1) BE484816A (en)
FR (1) FR953145A (en)

Also Published As

Publication number Publication date
BE484816A (en)

Similar Documents

Publication Publication Date Title
FR968209A (en) Peroxide compounds
FR970492A (en) Machine tool
FR953145A (en) Reaction advancer for rock drills
FR944587A (en) Mortise bit
CH273415A (en) Removable pad of sheets notebook.
CH262858A (en) Center drilling tool.
NL140780B (en) BANDMARK TOOL.
FI25235A (en) Drill chuck
FR1017223A (en) Punching tool
FR941048A (en) Advance support for rotary hammers
FR968473A (en) Reaction furnace
FR1006300A (en) Clutch drive head for mining equipment
FR974682A (en) Expansion chuck
FR1006002A (en) Core drill
FR945790A (en) Drill chuck
FR57565E (en) Centering machine
FR949139A (en) Tools
FR971844A (en) Self-clutching reduction mechanism
FR974906A (en) Benzanthronylamino-thiophanthraquinone compounds
AT170912B (en) Machine tool
AU137851B2 (en) Rock drills
FR973844A (en) Advanced drill bit for masonry
FR1003865A (en) Percussion punch
FR966901A (en) Drilling tool
DK72718C (en) Percussion tool.