DE201367C - - Google Patents

Info

Publication number
DE201367C
DE201367C DENDAT201367D DE201367DA DE201367C DE 201367 C DE201367 C DE 201367C DE NDAT201367 D DENDAT201367 D DE NDAT201367D DE 201367D A DE201367D A DE 201367DA DE 201367 C DE201367 C DE 201367C
Authority
DE
Germany
Prior art keywords
hammers
lever
hammer
valves
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
DENDAT201367D
Other languages
German (de)
English (en)
Publication of DE201367C publication Critical patent/DE201367C/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
    • E21B6/00—Drives for drilling with combined rotary and percussive action

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)
  • Earth Drilling (AREA)
DENDAT201367D Active DE201367C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE201367C true DE201367C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=463929

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT201367D Active DE201367C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE201367C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5484835A (en) * 1993-05-31 1996-01-16 Mitsubishi Chemical Corporation Heat-resistant, propylene resin-based molding materials and molded products obtained therefrom

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5484835A (en) * 1993-05-31 1996-01-16 Mitsubishi Chemical Corporation Heat-resistant, propylene resin-based molding materials and molded products obtained therefrom

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