AT294728B - Versenkhammer-Bohrgerät - Google Patents

Versenkhammer-Bohrgerät

Info

Publication number
AT294728B
AT294728B AT513569A AT513569A AT294728B AT 294728 B AT294728 B AT 294728B AT 513569 A AT513569 A AT 513569A AT 513569 A AT513569 A AT 513569A AT 294728 B AT294728 B AT 294728B
Authority
AT
Austria
Prior art keywords
popping
hammer drill
drill rig
rig
hammer
Prior art date
Application number
AT513569A
Other languages
English (en)
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
Priority to AT513569A priority Critical patent/AT294728B/de
Priority to DE19702025439 priority patent/DE2025439C3/de
Priority to CH800670A priority patent/CH516729A/de
Priority to FR7019791A priority patent/FR2043841A1/fr
Priority to BE751227D priority patent/BE751227A/xx
Priority to CS382070A priority patent/CS172329B2/cs
Application granted granted Critical
Publication of AT294728B publication Critical patent/AT294728B/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)
AT513569A 1969-05-30 1969-05-30 Versenkhammer-Bohrgerät AT294728B (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AT513569A AT294728B (de) 1969-05-30 1969-05-30 Versenkhammer-Bohrgerät
DE19702025439 DE2025439C3 (de) 1969-05-30 1970-05-25 Versenkhammer-Bohrgerät
CH800670A CH516729A (de) 1969-05-30 1970-05-28 Versenkhammer-Bohrgerät
FR7019791A FR2043841A1 (de) 1969-05-30 1970-05-29
BE751227D BE751227A (fr) 1969-05-30 1970-05-29 Engin de forage a marteau fonceur
CS382070A CS172329B2 (de) 1969-05-30 1970-06-01

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
AT294728B true AT294728B (de) 1971-12-10

Family

ID=3572313

Family Applications (1)

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

Country Status (6)

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

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
FR2043841A1 (de) 1971-02-19
BE751227A (fr) 1970-11-03
CS172329B2 (de) 1976-12-29
CH516729A (de) 1971-12-15
DE2025439A1 (de) 1970-12-17
DE2025439B2 (de) 1980-02-21

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee