AT368934B - Bohrkrone od.dgl. - Google Patents

Bohrkrone od.dgl.

Info

Publication number
AT368934B
AT368934B AT0150178A AT150178A AT368934B AT 368934 B AT368934 B AT 368934B AT 0150178 A AT0150178 A AT 0150178A AT 150178 A AT150178 A AT 150178A AT 368934 B AT368934 B AT 368934B
Authority
AT
Austria
Prior art keywords
similar
drill bit
drill
bit
Prior art date
Application number
AT0150178A
Other languages
English (en)
Other versions
ATA150178A (de
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
Publication of ATA150178A publication Critical patent/ATA150178A/de
Application granted granted Critical
Publication of AT368934B publication Critical patent/AT368934B/de

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)
AT0150178A 1977-03-03 1978-03-02 Bohrkrone od.dgl. AT368934B (de)

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
ATA150178A ATA150178A (de) 1982-04-15
AT368934B true AT368934B (de) 1982-11-25

Family

ID=20330604

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0150178A AT368934B (de) 1977-03-03 1978-03-02 Bohrkrone od.dgl.

Country Status (17)

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

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 (de) * 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
US9739097B2 (en) 2011-04-26 2017-08-22 Smith International, Inc. Polycrystalline diamond compact cutters with conic shaped end
CA2834357A1 (en) 2011-04-26 2012-11-01 Smith International, Inc. Methods of attaching rolling cutters in fixed cutter bits using sleeve, compression spring, and/or pin(s)/ball(s)

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
SE411929B (sv) 1980-02-11
GB1581304A (en) 1980-12-10
FI780644A (fi) 1978-09-04
IN148478B (de) 1981-03-07
AU3354278A (en) 1979-08-30
DE2807353C2 (de) 1981-11-26
NO151511C (no) 1985-04-24
JPS566476B2 (de) 1981-02-12
FI65647B (fi) 1984-02-29
CA1087604A (en) 1980-10-14
ATA150178A (de) 1982-04-15
FR2382576A1 (fr) 1978-09-29
JPS53134703A (en) 1978-11-24
US4181187A (en) 1980-01-01
NO780724L (no) 1978-09-05
FI65647C (fi) 1984-06-11
ES467508A1 (es) 1978-10-16
IE780449L (en) 1978-09-03
ZA78999B (en) 1979-05-30
MX147585A (es) 1982-12-15
SE7702345L (sv) 1978-09-04
NO151511B (no) 1985-01-07
BR7801282A (pt) 1978-09-26
FR2382576B1 (de) 1982-05-07
AU520189B2 (en) 1982-01-21
DE2807353A1 (de) 1978-09-07
IE46764B1 (en) 1983-09-21

Similar Documents

Publication Publication Date Title
NO152378C (no) Borkrone
SE7806749L (sv) Borrverktyg
AT368056B (de) Bohrhammer
NL183103C (nl) Boorbeitel.
NL7708960A (nl) Grondboorbeitel.
NO153742C (no) Rotasjons-borkrone.
NL7808189A (nl) Steenboor.
NL7808747A (nl) Boorvloeistoffen op waterbasis.
AT369505B (de) Gesteinsbohrer
AT368934B (de) Bohrkrone od.dgl.
NL7614617A (nl) Boorgereedschap.
AT352984B (de) Bohrhammer
NL7704306A (nl) Boorgereedschap.
NL7706233A (nl) Grondboorbeitel.
NL7810544A (nl) Slagboor.
NL7801323A (nl) Boorwerktuig.
NL7809399A (nl) Booreenheid.
NL7807958A (nl) Boorbeitel.
AT383182B (de) Gesteinsbohrer
NL7810678A (nl) Boor.
SE7806047L (sv) Borrverktyg
ATA359178A (de) Bohrkrone
ATA450476A (de) Schlaghammer, -meissel oder -bohrer
NL7803068A (nl) Boor.
PL209602A1 (pl) Wiertarka hydrauliczna

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee