DE289522C - - Google Patents

Info

Publication number
DE289522C
DE289522C DENDAT289522D DE289522DA DE289522C DE 289522 C DE289522 C DE 289522C DE NDAT289522 D DENDAT289522 D DE NDAT289522D DE 289522D A DE289522D A DE 289522DA DE 289522 C DE289522 C DE 289522C
Authority
DE
Germany
Prior art keywords
drill
hammer
feed
drill bit
piston
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.)
Active
Application number
DENDAT289522D
Other languages
German (de)
English (en)
Publication of DE289522C publication Critical patent/DE289522C/de
Active legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00Drives for drilling, used in the borehole
    • E21B4/20Drives for drilling, used in the borehole combined with surface drive
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00Rotary drilling
    • E21B3/02Surface drives for rotary drilling
    • E21B3/022Top drives
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08Apparatus 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
    • E21B19/086Apparatus 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 with a fluid-actuated cylinder

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)
  • Earth Drilling (AREA)
DENDAT289522D Active DE289522C (cs)

Publications (1)

Publication Number Publication Date
DE289522C true DE289522C (cs)

Family

ID=544547

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT289522D Active DE289522C (cs)

Country Status (1)

Country Link
DE (1) DE289522C (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4009909A (en) * 1975-01-10 1977-03-01 The Robbins Company Upward tunneling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4009909A (en) * 1975-01-10 1977-03-01 The Robbins Company Upward tunneling

Similar Documents

Publication Publication Date Title
DE69424286T2 (de) Bidirektionale hydraulische schere
DE4134956C2 (cs)
DE69032948T2 (de) Hydraulisch angetriebener repetierschlaghammer
DE2512731C2 (cs)
DE1533776C3 (de) Rückeinrichtung für einen Strebförderer
DE289522C (cs)
EP0125232A1 (de) Verfahren zum Schrämen von Gestein sowie Vorrichtung zur Durchführung dieses Verfahrens
CH657664A5 (de) Schlag-bohrvorrichtung.
DE3842891A1 (de) Rotationsbohrverfahren und rotationsbohreinrichtung zur durchfuehrung des verfahrens
DE1283769B (de) Schlaghammer
DE2334591C2 (de) Hydraulisch betätigter Bohrgreifer
DE920361C (de) Mehrteiliger Grubenstempel
DE137430C (cs)
CH623772A5 (cs)
DE267038C (cs)
DE175778C (cs)
DE65554C (de) Bohrmaschine zum selbsttätigen Bohren von Löchern von bestimmter Tiefe
DE37715C (de) Brechwerkzeug für bergmännische Gewinnungszwecke
DE2126493A1 (de) Fallhammer
DE269425C (cs)
AT225642B (de) Hydraulisch betriebene Schlagvorrichtung
DE217306C (cs)
DE974854C (de) Fallhammer
DE12456C (de) Neuerungen an Gesteinbohrmaschinen
DE137797C (cs)