SE7702345L - Borrkrona for bergborrning - Google Patents

Borrkrona for bergborrning

Info

Publication number
SE7702345L
SE7702345L SE7702345A SE7702345A SE7702345L SE 7702345 L SE7702345 L SE 7702345L SE 7702345 A SE7702345 A SE 7702345A SE 7702345 A SE7702345 A SE 7702345A SE 7702345 L SE7702345 L SE 7702345L
Authority
SE
Sweden
Prior art keywords
wall portion
cylindrical
longitudinally
inner end
steel
Prior art date
Application number
SE7702345A
Other languages
Unknown language ( )
English (en)
Other versions
SE411929B (sv
Inventor
K L G Lumen
Original Assignee
Sandvik 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 Sandvik Ab filed Critical Sandvik Ab
Priority to SE7702345A priority Critical patent/SE411929B/sv
Priority to ZA00780999A priority patent/ZA78999B/xx
Priority to DE2807353A priority patent/DE2807353C2/de
Priority to AU33542/78A priority patent/AU520189B2/en
Priority to FR7805188A priority patent/FR2382576A1/fr
Priority to US05/880,993 priority patent/US4181187A/en
Priority to FI780644A priority patent/FI65647C/fi
Priority to GB7947/78A priority patent/GB1581304A/en
Priority to JP2343678A priority patent/JPS53134703A/ja
Priority to MX172606A priority patent/MX147585A/es
Priority to ES467508A priority patent/ES467508A1/es
Priority to BR7801282A priority patent/BR7801282A/pt
Priority to NO780724A priority patent/NO151511C/no
Priority to CA298,035A priority patent/CA1087604A/en
Priority to AT0150178A priority patent/AT368934B/de
Priority to IE449/78A priority patent/IE46764B1/en
Priority to IN281/CAL/78A priority patent/IN148478B/en
Publication of SE7702345L publication Critical patent/SE7702345L/sv
Priority to US06/083,664 priority patent/US4289211A/en
Publication of SE411929B publication Critical patent/SE411929B/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
    • E21B10/36—Percussion drill bits
    • 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)
  • Percussive Tools And Related Accessories (AREA)
SE7702345A 1977-03-03 1977-03-03 Borrkrona for bergborrning SE411929B (sv)

Priority Applications (18)

Application Number Priority Date Filing Date Title
SE7702345A SE411929B (sv) 1977-03-03 1977-03-03 Borrkrona for bergborrning
ZA00780999A ZA78999B (en) 1977-03-03 1978-02-20 Rock drill bit
DE2807353A DE2807353C2 (de) 1977-03-03 1978-02-21 Schlagend beaufschlagbare Gesteinsbohrkrone
AU33542/78A AU520189B2 (en) 1977-03-03 1978-02-23 Rock drill bit
FR7805188A FR2382576A1 (fr) 1977-03-03 1978-02-23 Trepan de forage a pieces rapportees cylindriques
US05/880,993 US4181187A (en) 1977-03-03 1978-02-24 Rock drill bit with stress relief insert sockets
FI780644A FI65647C (fi) 1977-03-03 1978-02-27 Borrkrona foer bergborrning
GB7947/78A GB1581304A (en) 1977-03-03 1978-02-28 Drill bit
MX172606A MX147585A (es) 1977-03-03 1978-03-01 Mejoras en broca de perforadora para roca
JP2343678A JPS53134703A (en) 1977-03-03 1978-03-01 Pit for boring rock
ES467508A ES467508A1 (es) 1977-03-03 1978-03-02 Barrera perfeccionada para roca.
BR7801282A BR7801282A (pt) 1977-03-03 1978-03-02 Broca para perfuracao de rocha
NO780724A NO151511C (no) 1977-03-03 1978-03-02 Borkrone for fjellboring
CA298,035A CA1087604A (en) 1977-03-03 1978-03-02 Rock drill bit
AT0150178A AT368934B (de) 1977-03-03 1978-03-02 Bohrkrone od.dgl.
IE449/78A IE46764B1 (en) 1977-03-03 1978-03-03 Drill bit
IN281/CAL/78A IN148478B (sv) 1977-03-03 1978-03-16
US06/083,664 US4289211A (en) 1977-03-03 1979-10-11 Rock drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7702345A SE411929B (sv) 1977-03-03 1977-03-03 Borrkrona for bergborrning

Publications (2)

Publication Number Publication Date
SE7702345L true SE7702345L (sv) 1978-09-04
SE411929B SE411929B (sv) 1980-02-11

Family

ID=20330604

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7702345A SE411929B (sv) 1977-03-03 1977-03-03 Borrkrona for bergborrning

Country Status (17)

Country Link
US (1) US4181187A (sv)
JP (1) JPS53134703A (sv)
AT (1) AT368934B (sv)
AU (1) AU520189B2 (sv)
BR (1) BR7801282A (sv)
CA (1) CA1087604A (sv)
DE (1) DE2807353C2 (sv)
ES (1) ES467508A1 (sv)
FI (1) FI65647C (sv)
FR (1) FR2382576A1 (sv)
GB (1) GB1581304A (sv)
IE (1) IE46764B1 (sv)
IN (1) IN148478B (sv)
MX (1) MX147585A (sv)
NO (1) NO151511C (sv)
SE (1) SE411929B (sv)
ZA (1) ZA78999B (sv)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2921644C2 (de) * 1979-05-28 1982-02-18 Sandvik AB, 81181 Sandviken Schlagend beaufschlagbare Gesteinsbohrkrone
US4674802A (en) * 1982-09-17 1987-06-23 Kennametal, Inc Multi-insert cutter bit
DE3334815C1 (de) * 1983-09-26 1984-10-18 Siku GmbH Metall- und Kunststoffwarenfabrik, Rickenbach Werkzeug
JPS61142080U (sv) * 1985-02-25 1986-09-02
US4716976A (en) * 1986-10-28 1988-01-05 Kennametal Inc. Rotary percussion drill bit
GB8829747D0 (en) * 1988-12-21 1989-02-15 Macdonald Pneumatics Scabbler bits
DE4114271A1 (de) * 1991-05-02 1992-11-05 Hilti Ag Bohr- und meisselwerkzeug mit grundkoerper und schneidkoerper
AT265U3 (de) * 1995-01-18 1996-01-25 Techmo Entw & Vertriebs Gmbh Bohrkrone
BE1012119A3 (fr) * 1998-08-13 2000-05-02 Baroid Technology Inc Couteau, en particulier pour une tete de forage ou de carottage.
US6598689B1 (en) 2000-08-17 2003-07-29 Smith International, Inc. Roller cone for drill bit having improved resistance to fatigue cracking
US6408957B1 (en) 2000-08-23 2002-06-25 Smith International, Inc. Sealed bearing roller cone bit having anti-plugging device
US6799648B2 (en) * 2002-08-27 2004-10-05 Applied Process, Inc. Method of producing downhole drill bits with integral carbide studs
US20050252691A1 (en) * 2004-03-19 2005-11-17 Smith International, Inc. Drill bit having increased resistance to fatigue cracking and method of producing same
US20050257963A1 (en) * 2004-05-20 2005-11-24 Joseph Tucker Self-Aligning Insert for Drill Bits
US8079648B2 (en) * 2009-01-26 2011-12-20 Kennametal Inc. Cold-formed cutting tool
AT12442U1 (de) 2010-05-26 2012-05-15 Dywidag Systems Int Gmbh Bohrkrone
AU2012249669B2 (en) 2011-04-26 2016-09-29 Smith International, Inc. Methods of attaching rolling cutters in fixed cutter bits using sleeve, compression spring, and/or pin(s)/ball(s)
US9739097B2 (en) 2011-04-26 2017-08-22 Smith International, Inc. Polycrystalline diamond compact cutters with conic shaped end

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2030576A (en) * 1932-07-28 1936-02-11 Erickson Charles Replaceable bit rock drill
US2097030A (en) * 1934-12-15 1937-10-26 Robert J Killgore Rock drill bit
US2121202A (en) * 1935-03-19 1938-06-21 Robert J Killgore Rotary bit
US3100545A (en) * 1961-04-11 1963-08-13 Ingersoll Rand Co Drill bit
US3388757A (en) * 1967-03-23 1968-06-18 Smith Ind International Inc Hardened inserts for drill bits
US3618683A (en) * 1968-12-16 1971-11-09 Ingersoll Rand Co Button bit
US3599737A (en) * 1970-03-02 1971-08-17 Smith International Anchored hardened cutter inserts
GB1294717A (en) * 1970-08-14 1972-11-01 Wickman Wimet Ltd Rotary percussion drill bits
GB1343040A (en) * 1971-04-26 1974-01-10 Stebley F E Insert for drilling unit
US3749190A (en) * 1971-05-06 1973-07-31 Ingersoll Rand Co Retaining carbide in rock drill bits
US3807804A (en) * 1972-09-12 1974-04-30 Kennametal Inc Impacting tool with tungsten carbide insert tip
US3858671A (en) * 1973-04-23 1975-01-07 Kennametal Inc Excavating tool
US3970158A (en) * 1975-04-28 1976-07-20 Hughes Tool Company Tooth loading for earth boring bits
US4047583A (en) * 1976-06-01 1977-09-13 Dresser Industries, Inc. Earth boring cutting element retention system
CN1286332C (zh) * 2004-08-12 2006-11-22 华为技术有限公司 Mbms业务传输方法

Also Published As

Publication number Publication date
MX147585A (es) 1982-12-15
FI780644A (fi) 1978-09-04
FR2382576B1 (sv) 1982-05-07
JPS566476B2 (sv) 1981-02-12
NO151511C (no) 1985-04-24
CA1087604A (en) 1980-10-14
IN148478B (sv) 1981-03-07
IE780449L (en) 1978-09-03
US4181187A (en) 1980-01-01
JPS53134703A (en) 1978-11-24
NO780724L (no) 1978-09-05
AT368934B (de) 1982-11-25
FR2382576A1 (fr) 1978-09-29
FI65647B (fi) 1984-02-29
DE2807353A1 (de) 1978-09-07
BR7801282A (pt) 1978-09-26
NO151511B (no) 1985-01-07
IE46764B1 (en) 1983-09-21
SE411929B (sv) 1980-02-11
ZA78999B (en) 1979-05-30
ES467508A1 (es) 1978-10-16
FI65647C (fi) 1984-06-11
ATA150178A (de) 1982-04-15
GB1581304A (en) 1980-12-10
AU520189B2 (en) 1982-01-21
DE2807353C2 (de) 1981-11-26
AU3354278A (en) 1979-08-30

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