ZA783634B - Device for exposing worn carbide tips in drill bits - Google Patents

Device for exposing worn carbide tips in drill bits

Info

Publication number
ZA783634B
ZA783634B ZA00783634A ZA783634A ZA783634B ZA 783634 B ZA783634 B ZA 783634B ZA 00783634 A ZA00783634 A ZA 00783634A ZA 783634 A ZA783634 A ZA 783634A ZA 783634 B ZA783634 B ZA 783634B
Authority
ZA
South Africa
Prior art keywords
exposing
drill bits
carbide tips
worn
worn carbide
Prior art date
Application number
ZA00783634A
Other languages
English (en)
Inventor
O Karlsson
Original Assignee
Fagersta Ab
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 Fagersta Ab filed Critical Fagersta Ab
Publication of ZA783634B publication Critical patent/ZA783634B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/10—Bits for countersinking
    • 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
    • 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
    • E21B12/00—Accessories for drilling tools

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)
  • Milling Processes (AREA)
ZA00783634A 1977-06-28 1978-06-26 Device for exposing worn carbide tips in drill bits ZA783634B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7707478A SE406283B (sv) 1977-06-28 1977-06-28 Anordning for frileggade av nerslitna hardmetallstift i borrkronor

Publications (1)

Publication Number Publication Date
ZA783634B true ZA783634B (en) 1979-06-27

Family

ID=20331713

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00783634A ZA783634B (en) 1977-06-28 1978-06-26 Device for exposing worn carbide tips in drill bits

Country Status (11)

Country Link
JP (1) JPS5417306A (de)
AT (1) AT357500B (de)
AU (1) AU3731878A (de)
BR (1) BR7804089A (de)
CA (1) CA1077921A (de)
DE (1) DE2826957A1 (de)
FR (1) FR2395809A1 (de)
GB (1) GB2000461B (de)
IE (1) IE47422B1 (de)
SE (1) SE406283B (de)
ZA (1) ZA783634B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2941041C2 (de) * 1979-10-10 1981-07-09 Daimler-Benz Ag, 7000 Stuttgart Schweißpunktfräser

Also Published As

Publication number Publication date
FR2395809B3 (de) 1981-03-06
IE47422B1 (en) 1984-03-07
JPS5417306A (en) 1979-02-08
AT357500B (de) 1980-07-10
DE2826957A1 (de) 1979-01-18
CA1077921A (en) 1980-05-20
BR7804089A (pt) 1979-01-16
SE406283B (sv) 1979-02-05
AU3731878A (en) 1980-01-03
IE781274L (en) 1978-12-28
GB2000461B (en) 1982-01-06
FR2395809A1 (fr) 1979-01-26
ATA457678A (de) 1979-12-15
SE7707478L (sv) 1978-12-29
GB2000461A (en) 1979-01-10

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