DE216717C - - Google Patents

Info

Publication number
DE216717C
DE216717C DENDAT216717D DE216717DA DE216717C DE 216717 C DE216717 C DE 216717C DE NDAT216717 D DENDAT216717 D DE NDAT216717D DE 216717D A DE216717D A DE 216717DA DE 216717 C DE216717 C DE 216717C
Authority
DE
Germany
Prior art keywords
piston
chisel
valve
water
water hammer
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
DENDAT216717D
Other languages
German (de)
English (en)
Publication of DE216717C publication Critical patent/DE216717C/de
Active 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers

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)
  • Percussive Tools And Related Accessories (AREA)
DENDAT216717D Active DE216717C (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
DE216717C true DE216717C (enrdf_load_html_response)

Family

ID=478098

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT216717D Active DE216717C (enrdf_load_html_response)

Country Status (1)

Country Link
DE (1) DE216717C (enrdf_load_html_response)

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