ATA787174A - Schneideinrichtung fur gesteinsbohrmaschinen - Google Patents

Schneideinrichtung fur gesteinsbohrmaschinen

Info

Publication number
ATA787174A
ATA787174A AT787174A AT787174A ATA787174A AT A787174 A ATA787174 A AT A787174A AT 787174 A AT787174 A AT 787174A AT 787174 A AT787174 A AT 787174A AT A787174 A ATA787174 A AT A787174A
Authority
AT
Austria
Prior art keywords
cutting device
rock drilling
drilling machines
machines
rock
Prior art date
Application number
AT787174A
Other languages
English (en)
Other versions
AT331747B (de
Original Assignee
Boart Hardmetals Ltd
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 Boart Hardmetals Ltd filed Critical Boart Hardmetals Ltd
Priority to AT787174A priority Critical patent/AT331747B/de
Publication of ATA787174A publication Critical patent/ATA787174A/de
Application granted granted Critical
Publication of AT331747B publication Critical patent/AT331747B/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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts

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)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
AT787174A 1974-10-01 1974-10-01 Schneideinrichtung fur gesteinsbohrmaschinen AT331747B (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT787174A AT331747B (de) 1974-10-01 1974-10-01 Schneideinrichtung fur gesteinsbohrmaschinen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT787174A AT331747B (de) 1974-10-01 1974-10-01 Schneideinrichtung fur gesteinsbohrmaschinen

Publications (2)

Publication Number Publication Date
ATA787174A true ATA787174A (de) 1975-12-15
AT331747B AT331747B (de) 1976-08-25

Family

ID=3600286

Family Applications (1)

Application Number Title Priority Date Filing Date
AT787174A AT331747B (de) 1974-10-01 1974-10-01 Schneideinrichtung fur gesteinsbohrmaschinen

Country Status (1)

Country Link
AT (1) AT331747B (de)

Also Published As

Publication number Publication date
AT331747B (de) 1976-08-25

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Legal Events

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