DE308325C - - Google Patents

Info

Publication number
DE308325C
DE308325C DENDAT308325D DE308325DA DE308325C DE 308325 C DE308325 C DE 308325C DE NDAT308325 D DENDAT308325 D DE NDAT308325D DE 308325D A DE308325D A DE 308325DA DE 308325 C DE308325 C DE 308325C
Authority
DE
Germany
Prior art keywords
handle
eccentric
drive
eccentricity
during operation
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
DENDAT308325D
Other languages
German (de)
English (en)
Publication of DE308325C publication Critical patent/DE308325C/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
    • E21B1/00—Percussion drilling
    • E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable

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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
DENDAT308325D Active DE308325C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE308325C true DE308325C (enrdf_load_stackoverflow)

Family

ID=561596

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT308325D Active DE308325C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE308325C (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2631012A (en) * 1949-10-03 1953-03-10 John F Kendrick Method to limit stresses in cable tool drilling lines
US2631011A (en) * 1949-08-29 1953-03-10 John F Kendrick Method for limiting stresses in elongated elastic structures

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2631011A (en) * 1949-08-29 1953-03-10 John F Kendrick Method for limiting stresses in elongated elastic structures
US2631012A (en) * 1949-10-03 1953-03-10 John F Kendrick Method to limit stresses in cable tool drilling lines

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