CH516729A - Versenkhammer-Bohrgerät - Google Patents

Versenkhammer-Bohrgerät

Info

Publication number
CH516729A
CH516729A CH800670A CH800670A CH516729A CH 516729 A CH516729 A CH 516729A CH 800670 A CH800670 A CH 800670A CH 800670 A CH800670 A CH 800670A CH 516729 A CH516729 A CH 516729A
Authority
CH
Switzerland
Prior art keywords
popping
hammer drill
drill rig
rig
hammer
Prior art date
Application number
CH800670A
Other languages
German (de)
English (en)
Inventor
Hasewend Florian
Pichler Hubert
Vida Josef
Original Assignee
Boehler & Co Ag Geb
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
Application filed by Boehler & Co Ag Geb filed Critical Boehler & Co Ag Geb
Publication of CH516729A publication Critical patent/CH516729A/de

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
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/40—Percussion drill bits with leading portion
    • 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
    • E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (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)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
CH800670A 1969-05-30 1970-05-28 Versenkhammer-Bohrgerät CH516729A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT513569A AT294728B (de) 1969-05-30 1969-05-30 Versenkhammer-Bohrgerät

Publications (1)

Publication Number Publication Date
CH516729A true CH516729A (de) 1971-12-15

Family

ID=3572313

Family Applications (1)

Application Number Title Priority Date Filing Date
CH800670A CH516729A (de) 1969-05-30 1970-05-28 Versenkhammer-Bohrgerät

Country Status (6)

Country Link
AT (1) AT294728B (enrdf_load_stackoverflow)
BE (1) BE751227A (enrdf_load_stackoverflow)
CH (1) CH516729A (enrdf_load_stackoverflow)
CS (1) CS172329B2 (enrdf_load_stackoverflow)
DE (1) DE2025439C3 (enrdf_load_stackoverflow)
FR (1) FR2043841A1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2758385C3 (de) * 1977-12-28 1981-03-26 Ing. G. Klemm Bohrtechnik GmbH, 57489 Drolshagen Schlag-Bohreinrichtung für Großlochbohrungen
US6892834B1 (en) * 1999-06-18 2005-05-17 Beck, Iii August H. Piloted drill barrel and method of using same
FI115245B (fi) 2002-11-18 2005-03-31 Hannu Paasonen Teräsovitelma iskevään poraan

Also Published As

Publication number Publication date
DE2025439C3 (de) 1980-10-09
AT294728B (de) 1971-12-10
CS172329B2 (enrdf_load_stackoverflow) 1976-12-29
DE2025439B2 (enrdf_load_stackoverflow) 1980-02-21
FR2043841A1 (enrdf_load_stackoverflow) 1971-02-19
BE751227A (fr) 1970-11-03
DE2025439A1 (de) 1970-12-17

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Legal Events

Date Code Title Description
PL Patent ceased