FR966891A - Perfectionnements aux foreuses de mines - Google Patents

Perfectionnements aux foreuses de mines

Info

Publication number
FR966891A
FR966891A FR966891DA FR966891A FR 966891 A FR966891 A FR 966891A FR 966891D A FR966891D A FR 966891DA FR 966891 A FR966891 A FR 966891A
Authority
FR
France
Prior art keywords
drilling rigs
mine drilling
mine
rigs
drilling
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
Jacques Feron
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 FR966891A publication Critical patent/FR966891A/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
    • E21B19/081—Screw-and-nut feed mechanisms

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)
FR966891D 1947-08-02 1948-05-27 Perfectionnements aux foreuses de mines Expired FR966891A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE966891X 1947-08-02

Publications (1)

Publication Number Publication Date
FR966891A true FR966891A (fr) 1950-10-20

Family

ID=3890198

Family Applications (1)

Application Number Title Priority Date Filing Date
FR966891D Expired FR966891A (fr) 1947-08-02 1948-05-27 Perfectionnements aux foreuses de mines

Country Status (2)

Country Link
BE (1) BE475059A (fr)
FR (1) FR966891A (fr)

Also Published As

Publication number Publication date
BE475059A (fr)

Similar Documents

Publication Publication Date Title
FR1043173A (fr) Appareil de soutènement pour mines
CH286541A (fr) Mine antichar.
FR1026879A (fr) Perfectionnements apportés aux appareils pour le forage de trous de mines, notamment à ceux pour exploitations minières
FR966891A (fr) Perfectionnements aux foreuses de mines
FR989393A (fr) Trépan à perforer la roche
CH262858A (de) Werkzeug zum Zentrumbohren.
FR1003544A (fr) Perfectionnements aux taillants de mine à percussion
FR1009983A (fr) Foreuse hydraulique
FR952325A (fr) Trépan pour le forage de la roche
FR994750A (fr) Perfectionnements aux cartouches de mines
FR1063308A (fr) Appareil de percement de galerie de mine
CH300472A (de) Gesteinsbohrer.
FR1002757A (fr) Perfectionnements aux étais de mines
FR1005519A (fr) Perfectionnement aux puits
FR953337A (fr) Garnissage de galeries de mines
ES16010Y (es) Taladro de roca recambiable.
FR951136A (fr) Perfectionnements aux outils pour la perforation des roches
FR1020588A (fr) Perfectionnement aux trépans pour la roche
FR915032A (fr) Appareil de dragage de mines sous-marines
FR1020062A (fr) Perfectionnements apportés aux étançons de mines
CA435307A (fr) Fleuret de perforatrice
FR940285A (fr) Perceuse portative
LU28988A1 (fr) Etançon pour mines
FR1041827A (fr) équipement pour perforatrices de roche
FR1049213A (fr) Perfectionnement aux machines de mines