DK514777A - Stenborevaerktoej isaer til borehamre - Google Patents

Stenborevaerktoej isaer til borehamre

Info

Publication number
DK514777A
DK514777A DK514777A DK514777A DK514777A DK 514777 A DK514777 A DK 514777A DK 514777 A DK514777 A DK 514777A DK 514777 A DK514777 A DK 514777A DK 514777 A DK514777 A DK 514777A
Authority
DK
Denmark
Prior art keywords
drilling
isaer
hammers
stone
tool
Prior art date
Application number
DK514777A
Other languages
Danish (da)
English (en)
Inventor
O Boehm
Original Assignee
Werkzeugbau
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 filed Critical Werkzeugbau
Publication of DK514777A publication Critical patent/DK514777A/da

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)
DK514777A 1976-12-24 1977-11-21 Stenborevaerktoej isaer til borehamre DK514777A (da)

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
DK514777A true DK514777A (da) 1978-06-25

Family

ID=5996623

Family Applications (1)

Application Number Title Priority Date Filing Date
DK514777A DK514777A (da) 1976-12-24 1977-11-21 Stenborevaerktoej isaer til borehamre

Country Status (5)

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

Also Published As

Publication number Publication date
NL7713777A (nl) 1978-06-27
DE2658826A1 (de) 1978-06-29
SE7713089L (sv) 1978-06-25
FR2375435B3 (enrdf_load_stackoverflow) 1980-08-08
FR2375435A1 (fr) 1978-07-21
DE2658826B2 (de) 1979-01-18
DE2658826C3 (de) 1980-10-23

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment