NL48411C - - Google Patents

Info

Publication number
NL48411C
NL48411C NL84406A NL84406A NL48411C NL 48411 C NL48411 C NL 48411C NL 84406 A NL84406 A NL 84406A NL 84406 A NL84406 A NL 84406A NL 48411 C NL48411 C NL 48411C
Authority
NL
Netherlands
Application number
NL84406A
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
Priority to DE1936S0124738 priority Critical patent/DE690241C/de
Priority to FR827140D priority patent/FR827140A/fr
Application filed filed Critical
Priority to NL84406A priority patent/NL48411C/xx
Priority to US169801A priority patent/US2129104A/en
Application granted granted Critical
Publication of NL48411C publication Critical patent/NL48411C/xx

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
    • E21B4/06Down-hole impacting means, e.g. hammers
    • E21B4/14Fluid 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)
  • Earth Drilling (AREA)
  • Actuator (AREA)
NL84406A 1936-10-30 1937-10-05 NL48411C (sl)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE1936S0124738 DE690241C (de) 1936-10-30 1936-10-30 Von der Spuelfluessigkeit angetriebene Stossbohreinrichtung
FR827140D FR827140A (fr) 1936-10-30 1937-09-27 Moteur hydraulique utilisé pour forages et dans lequel un cylindre portant un organe de forage est soulevé et abaissé alternativement par rapport à un piston fixé à une tige
NL84406A NL48411C (sl) 1936-10-30 1937-10-05
US169801A US2129104A (en) 1936-10-30 1937-10-19 Hydraulic motor

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE1936S0124738 DE690241C (de) 1936-10-30 1936-10-30 Von der Spuelfluessigkeit angetriebene Stossbohreinrichtung
FR827140T 1937-09-27
NL84406A NL48411C (sl) 1936-10-30 1937-10-05

Publications (1)

Publication Number Publication Date
NL48411C true NL48411C (sl) 1940-05-15

Family

ID=7986335

Family Applications (1)

Application Number Title Priority Date Filing Date
NL84406A NL48411C (sl) 1936-10-30 1937-10-05

Country Status (4)

Country Link
US (1) US2129104A (sl)
DE (1) DE690241C (sl)
FR (1) FR827140A (sl)
NL (1) NL48411C (sl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3343565C2 (de) * 1983-12-01 1985-11-14 Ing. Günter Klemm, Spezialunternehmen für Bohrtechnik, 5962 Drolshagen Tieflochhammer
CA2972829C (en) * 2015-03-27 2022-03-08 Anderson, Charles Abernethy Apparatus and method for modifying axial force

Also Published As

Publication number Publication date
FR827140A (fr) 1938-04-20
DE690241C (de) 1940-04-19
US2129104A (en) 1938-09-06

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