AT294728B - Popping hammer drill rig - Google Patents

Popping hammer drill rig

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
German (de)
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/en
Priority to DE19702025439 priority patent/DE2025439C3/en
Priority to CH800670A priority patent/CH516729A/en
Priority to FR7019791A priority patent/FR2043841A1/fr
Priority to BE751227D priority patent/BE751227A/en
Priority to CS382070A priority patent/CS172329B2/cs
Application granted granted Critical
Publication of AT294728B publication Critical patent/AT294728B/en

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
    • E21B10/00Drill bits
    • E21B10/36Percussion drill bits
    • E21B10/40Percussion drill bits with leading portion
    • 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
    • E21B4/16Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
    • 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
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/28Enlarging 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 Popping hammer drill rig AT294728B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AT513569A AT294728B (en) 1969-05-30 1969-05-30 Popping hammer drill rig
DE19702025439 DE2025439C3 (en) 1969-05-30 1970-05-25 Popping hammer drill rig
CH800670A CH516729A (en) 1969-05-30 1970-05-28 Popping hammer drill rig
FR7019791A FR2043841A1 (en) 1969-05-30 1970-05-29
BE751227D BE751227A (en) 1969-05-30 1970-05-29 DIGITAL HAMMER DRILLING MACHINE
CS382070A CS172329B2 (en) 1969-05-30 1970-06-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT513569A AT294728B (en) 1969-05-30 1969-05-30 Popping hammer drill rig

Publications (1)

Publication Number Publication Date
AT294728B true AT294728B (en) 1971-12-10

Family

ID=3572313

Family Applications (1)

Application Number Title Priority Date Filing Date
AT513569A AT294728B (en) 1969-05-30 1969-05-30 Popping hammer drill rig

Country Status (6)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2758385C3 (en) * 1977-12-28 1981-03-26 Ing. G. Klemm Bohrtechnik GmbH, 57489 Drolshagen Impact drilling device for large holes
US6892834B1 (en) * 1999-06-18 2005-05-17 Beck, Iii August H. Piloted drill barrel and method of using same
FI115245B (en) 2002-11-18 2005-03-31 Hannu Paasonen Cutting device for an abrasive drill

Also Published As

Publication number Publication date
DE2025439B2 (en) 1980-02-21
FR2043841A1 (en) 1971-02-19
DE2025439C3 (en) 1980-10-09
CH516729A (en) 1971-12-15
BE751227A (en) 1970-11-03
CS172329B2 (en) 1976-12-29
DE2025439A1 (en) 1970-12-17

Similar Documents

Publication Publication Date Title
AT299098B (en) Impact drill bit
AT295442B (en) Impact drill bit
BR7308355D0 (en) DRILLING HAMMER
AT315053B (en) Hammer drill
AT328352B (en) ROCK DRILLS
DE1957235B2 (en) MOTOR-DRIVEN IMPACT DRILL
AT317803B (en) Electropneumatic hammer drill
AT327076B (en) IMPACT DRILL
AT301424B (en) Twist or twist drill
CA925071A (en) Down-hole drilling hammer
CH517245A (en) Rock drill
ZA702286B (en) Rock drill
AT291886B (en) Drilling rig
IT990430B (en) HAMMER DRILL
AT296189B (en) Rock drill
AT296917B (en) Pneumatic hammer drill
CH520262A (en) Rock drill
CH554484A (en) DRILL BIT.
AT295829B (en) Hollow drill bit
CH517244A (en) Rock drill
SU486128A2 (en) Invert emulsion drilling mud
AT294728B (en) Popping hammer drill rig
NL160358C (en) DRILLING CHISEL.
IT971733B (en) HYDRAULIC DRILL HAMMER
AT285490B (en) Underwater drilling rig

Legal Events

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