CH414438A - Carbide drill - Google Patents

Carbide drill

Info

Publication number
CH414438A
CH414438A CH1340863A CH1340863A CH414438A CH 414438 A CH414438 A CH 414438A CH 1340863 A CH1340863 A CH 1340863A CH 1340863 A CH1340863 A CH 1340863A CH 414438 A CH414438 A CH 414438A
Authority
CH
Switzerland
Prior art keywords
carbide drill
drill
carbide
Prior art date
Application number
CH1340863A
Other languages
German (de)
Inventor
Fischer Artur
Original Assignee
Fischer Artur
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 Fischer Artur filed Critical Fischer Artur
Publication of CH414438A publication Critical patent/CH414438A/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)
CH1340863A 1962-11-03 1963-10-29 Carbide drill CH414438A (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
CH414438A true CH414438A (en) 1966-05-31

Family

ID=25975515

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1340863A CH414438A (en) 1962-11-03 1963-10-29 Carbide drill

Country Status (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0706870A1 (en) 1994-10-15 1996-04-17 HILTI Aktiengesellschaft Tubular saw

Families Citing this family (2)

* 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0706870A1 (en) 1994-10-15 1996-04-17 HILTI Aktiengesellschaft Tubular saw

Also Published As

Publication number Publication date
AT242579B (en) 1965-09-27
GB1048087A (en) 1966-11-09

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