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AT242579B - Process for the production of a hard metal drill, in particular for drilling in hard material such as concrete or stone - Google Patents

Process for the production of a hard metal drill, in particular for drilling in hard material such as concrete or stone

Info

Publication number
AT242579B
AT242579B AT790363A AT790363A AT242579B AT 242579 B AT242579 B AT 242579B AT 790363 A AT790363 A AT 790363A AT 790363 A AT790363 A AT 790363A AT 242579 B AT242579 B AT 242579B
Authority
AT
Austria
Prior art keywords
stone
drilling
concrete
production
hard
Prior art date
Application number
AT790363A
Other languages
German (de)
Inventor
Artur Fischer
Original Assignee
Artur Fischer
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 Artur Fischer filed Critical Artur Fischer
Application granted granted Critical
Publication of AT242579B publication Critical patent/AT242579B/en

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
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids

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)
  • Drilling And Boring (AREA)
AT790363A 1962-11-03 1963-10-02 Process for the production of a hard metal drill, in particular for drilling in hard material such as concrete or stone AT242579B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEF0038219 1962-11-03
DEF0039041 1963-02-16

Publications (1)

Publication Number Publication Date
AT242579B true AT242579B (en) 1965-09-27

Family

ID=25975515

Family Applications (1)

Application Number Title Priority Date Filing Date
AT790363A AT242579B (en) 1962-11-03 1963-10-02 Process for the production of a hard metal drill, in particular for drilling in hard material such as concrete or stone

Country Status (3)

Country Link
AT (1) AT242579B (en)
CH (1) CH414438A (en)
GB (1) GB1048087A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1101408A (en) * 1977-10-25 1981-05-19 Ingersoll-Rand Company Rock drill
DK56178A (en) * 1978-02-07 1979-08-08 M B Nielsen METHOD AND TOOLS FOR USE WHEN DRILLING A HOLE IN REINFORCED CONCRETE
DE4436915A1 (en) 1994-10-15 1996-04-18 Hilti Ag Hollow core bit with a hollow cylindrical carrier body

Also Published As

Publication number Publication date
CH414438A (en) 1966-05-31
GB1048087A (en) 1966-11-09

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