SE7713089L - Bergborrverktyg - Google Patents

Bergborrverktyg

Info

Publication number
SE7713089L
SE7713089L SE7713089A SE7713089A SE7713089L SE 7713089 L SE7713089 L SE 7713089L SE 7713089 A SE7713089 A SE 7713089A SE 7713089 A SE7713089 A SE 7713089A SE 7713089 L SE7713089 L SE 7713089L
Authority
SE
Sweden
Prior art keywords
drilling tool
rock drilling
rock
tool
drilling
Prior art date
Application number
SE7713089A
Other languages
Unknown language ( )
English (en)
Inventor
O Bohm
Original Assignee
Werkzeugbau Gmbh
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 Werkzeugbau Gmbh filed Critical Werkzeugbau Gmbh
Publication of SE7713089L publication Critical patent/SE7713089L/sv

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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • 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
    • E21B10/56—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)
SE7713089A 1976-12-24 1977-11-21 Bergborrverktyg SE7713089L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762658826 DE2658826C3 (de) 1976-12-24 1976-12-24 Gesteinsbohrkopf mit stiftförmigen, radiale Ansätze tragenden Schneiden und Werkzeug zum Herstellen der Durchbrüche für die radialen Ansätze in den Mantelflächen des Bohrkopfes

Publications (1)

Publication Number Publication Date
SE7713089L true SE7713089L (sv) 1978-06-25

Family

ID=5996623

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7713089A SE7713089L (sv) 1976-12-24 1977-11-21 Bergborrverktyg

Country Status (5)

Country Link
DE (1) DE2658826C3 (sv)
DK (1) DK514777A (sv)
FR (1) FR2375435A1 (sv)
NL (1) NL7713777A (sv)
SE (1) SE7713089L (sv)

Also Published As

Publication number Publication date
DE2658826C3 (de) 1980-10-23
FR2375435B3 (sv) 1980-08-08
DK514777A (da) 1978-06-25
NL7713777A (nl) 1978-06-27
DE2658826A1 (de) 1978-06-29
DE2658826B2 (de) 1979-01-18
FR2375435A1 (fr) 1978-07-21

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