IE47422B1 - Device for exposing worn carbide tips in drill bits - Google Patents

Device for exposing worn carbide tips in drill bits

Info

Publication number
IE47422B1
IE47422B1 IE1274/78A IE127478A IE47422B1 IE 47422 B1 IE47422 B1 IE 47422B1 IE 1274/78 A IE1274/78 A IE 1274/78A IE 127478 A IE127478 A IE 127478A IE 47422 B1 IE47422 B1 IE 47422B1
Authority
IE
Ireland
Prior art keywords
button
exposing
milling head
peg
bowl
Prior art date
Application number
IE1274/78A
Other languages
English (en)
Other versions
IE781274L (en
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 IE781274L publication Critical patent/IE781274L/xx
Publication of IE47422B1 publication Critical patent/IE47422B1/en

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)
IE1274/78A 1977-06-28 1978-06-26 Device for exposing worn carbide tips in drill bits IE47422B1 (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 (2)

Publication Number Publication Date
IE781274L IE781274L (en) 1978-12-28
IE47422B1 true IE47422B1 (en) 1984-03-07

Family

ID=20331713

Family Applications (1)

Application Number Title Priority Date Filing Date
IE1274/78A IE47422B1 (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
AU3731878A (en) 1980-01-03
ATA457678A (de) 1979-12-15
GB2000461B (en) 1982-01-06
JPS5417306A (en) 1979-02-08
DE2826957A1 (de) 1979-01-18
AT357500B (de) 1980-07-10
ZA783634B (en) 1979-06-27
IE781274L (en) 1978-12-28
SE7707478L (sv) 1978-12-29
SE406283B (sv) 1979-02-05
CA1077921A (en) 1980-05-20
BR7804089A (pt) 1979-01-16
GB2000461A (en) 1979-01-10
FR2395809B3 (de) 1981-03-06
FR2395809A1 (fr) 1979-01-26

Similar Documents

Publication Publication Date Title
CA1266651A (en) Rock drill with cutting inserts
US4889200A (en) Rock drill
EP1330950B1 (de) Stumpfvermahlungsgerät
EP0122893B1 (de) Schrämpicke
US4339009A (en) Button assembly for rotary rock cutters
US5499688A (en) PDC insert featuring side spiral wear pads
EP0140849B1 (de) Gesteinsbohrmeissel
CA1099501A (en) Cutting tool and insert for same
US5161859A (en) Excavating tool cutting insert
US4193638A (en) Multiple tip cutting bit for rotary drum-type cutter
US4359300A (en) Cutting insert with improved chip control
US4106578A (en) Percussion drill bit
WO2008100455A1 (en) Rotary drag bit
EP0236086B1 (de) Einsatz für ein Werkzeug
CA1335812C (en) Excavating tooth for an earth auger
US5810102A (en) Reversible bit assembly
PL113333B2 (en) Bit for mining machines
US5067262A (en) Digging tooth
US4697653A (en) Diamond setting in a cutting tooth in a drill bit with an increased effective diamond width
CA1077921A (en) Device for exposing worn carbide tips in drill bits
GB2211875A (en) Cutting tool for a mining machine
RU2018659C1 (ru) Резец горной машины для разрушения преимущественно крепких пород
SU926218A1 (ru) Бурова коронка
RU2083793C1 (ru) Буровая коронка
SU1350320A1 (ru) Буровое шарошечное долото