FI874076A0 - Stoetborrkrona foer stenborrmaskiner. - Google Patents

Stoetborrkrona foer stenborrmaskiner.

Info

Publication number
FI874076A0
FI874076A0 FI874076A FI874076A FI874076A0 FI 874076 A0 FI874076 A0 FI 874076A0 FI 874076 A FI874076 A FI 874076A FI 874076 A FI874076 A FI 874076A FI 874076 A0 FI874076 A0 FI 874076A0
Authority
FI
Finland
Prior art keywords
pct
circulation
drill bit
studs
frontal face
Prior art date
Application number
FI874076A
Other languages
English (en)
Finnish (fi)
Other versions
FI874076A (fi
Inventor
Siegfried Treitz
Original Assignee
Siegfried Treitz
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 Siegfried Treitz filed Critical Siegfried Treitz
Publication of FI874076A publication Critical patent/FI874076A/fi
Publication of FI874076A0 publication Critical patent/FI874076A0/fi

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
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • 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
    • E21B10/003—Drill bits with cutting edges facing in opposite axial directions
    • 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)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Drilling Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
FI874076A 1985-03-20 1987-09-18 Stoetborrkrona foer stenborrmaskiner. FI874076A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3510048A DE3510048C1 (de) 1985-03-20 1985-03-20 Schlagbohrkrone fuer Gesteinsbohrmaschinen
PCT/DE1986/000097 WO1986005542A1 (en) 1985-03-20 1986-03-08 Percussion drill bit for stone drilling machines

Publications (2)

Publication Number Publication Date
FI874076A FI874076A (fi) 1987-09-18
FI874076A0 true FI874076A0 (fi) 1987-09-18

Family

ID=6265787

Family Applications (1)

Application Number Title Priority Date Filing Date
FI874076A FI874076A0 (fi) 1985-03-20 1987-09-18 Stoetborrkrona foer stenborrmaskiner.

Country Status (12)

Country Link
US (1) US4771834A (ru)
EP (1) EP0199040B1 (ru)
JP (1) JPS62502269A (ru)
AT (1) ATE67557T1 (ru)
AU (1) AU584181B2 (ru)
BR (1) BR8607086A (ru)
DE (2) DE3510048C1 (ru)
FI (1) FI874076A0 (ru)
NO (1) NO864383D0 (ru)
OA (1) OA08663A (ru)
SU (1) SU1560061A3 (ru)
WO (1) WO1986005542A1 (ru)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4101458A1 (de) * 1991-01-19 1992-07-23 Wolf Thomas Fuer einen mit axialem druck und schlaegen arbeitenden, umlaufenden gesteinsbohrer bestimmter bohrmeissel
US6321862B1 (en) * 1997-09-08 2001-11-27 Baker Hughes Incorporated Rotary drill bits for directional drilling employing tandem gage pad arrangement with cutting elements and up-drill capability
AT409404B (de) * 1998-02-09 2002-08-26 Knasmillner Rudolf Dipl Ing Schlagendes richtbohren
US6253864B1 (en) * 1998-08-10 2001-07-03 David R. Hall Percussive shearing drill bit
US7513319B2 (en) 2004-06-08 2009-04-07 Devall Donald L Reamer bit
US7228922B1 (en) 2004-06-08 2007-06-12 Devall Donald L Drill bit
US20090184564A1 (en) * 2008-01-22 2009-07-23 The William J. Brady Loving Trust Pcd percussion drill bit
US9103170B2 (en) * 2008-05-16 2015-08-11 Smith International, Inc. Impregnated drill bit
JP2012127062A (ja) * 2010-12-13 2012-07-05 Mitsubishi Materials Corp 掘削ビット
RU2535314C1 (ru) * 2013-07-16 2014-12-10 Федеральное государственное бюджетное учреждение науки Институт горного дела им. Н.А. Чинакала Сибирского отделения Российской академии наук Буровая коронка
EP2902583B1 (en) * 2014-01-31 2017-04-12 Sandvik Intellectual Property AB Percussive rock drill bit with flushing grooves
CN104251121A (zh) * 2014-09-18 2014-12-31 武汉地大长江钻头有限公司 适用于石油勘探井可形成粗颗粒岩屑的pdc钻头
JP6606848B2 (ja) * 2015-04-03 2019-11-20 三菱マテリアル株式会社 掘削工具
RU2649210C1 (ru) * 2017-01-24 2018-03-30 Федеральное государственное бюджетное учреждение науки Институт горного дела им. Н.А. Чинакала Сибирского отделения Российской академии наук Буровая коронка
RU2666386C1 (ru) * 2017-11-09 2018-09-07 Федеральное государственное бюджетное учреждение науки Институт горного дела им. Н.А. Чинакала Сибирского отделения Российской академии наук Буровая коронка
JP7565753B2 (ja) * 2020-10-28 2024-10-11 Ｍｍｃリョウテック株式会社 掘削ビット

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2121202A (en) * 1935-03-19 1938-06-21 Robert J Killgore Rotary bit
US2484365A (en) * 1947-10-27 1949-10-11 Charles E Seley Rock drill bit
US3145789A (en) * 1962-03-20 1964-08-25 Russell H Lawry Pilot rock drill
FR1515221A (fr) * 1967-01-19 1968-03-01 Forges Et Acieries Du Saut Du Taillant de mine
US3521716A (en) * 1968-10-16 1970-07-28 William F Fisher Drill point
US3583504A (en) * 1969-02-24 1971-06-08 Mission Mfg Co Gauge cutting bit
US3951220A (en) * 1974-08-19 1976-04-20 Vance Industries, Inc. Archimedes spiral drill bit
DE2528003A1 (de) * 1975-06-24 1977-01-20 Krupp Gmbh Gesteinsbohrer
US4096917A (en) * 1975-09-29 1978-06-27 Harris Jesse W Earth drilling knobby bit
DE2633779C3 (de) * 1976-07-28 1983-11-03 Richard 5383 Kierspe Karnebogen Schlagbohrkrone
DE2733300C2 (de) * 1977-07-21 1983-01-05 Western Rock Bit Co. Ltd., Calgary, Alberta Gesteinsbohrmeißel
DE2749613B2 (de) * 1977-11-05 1979-12-20 Fried. Krupp Gmbh, 4300 Essen Schlagbohrkrone für Gesteinsbohrungen
US4203496A (en) * 1978-10-16 1980-05-20 Smith International, Inc. Longitudinal axis roller drill bit with gage inserts protection
DE3113109C2 (de) * 1981-04-01 1983-11-17 Christensen, Inc., 84115 Salt Lake City, Utah Drehbohrmeißel für Tiefbohrungen
DE3225050A1 (de) * 1982-07-05 1984-01-05 Hilti AG, 9494 Schaan Gesteinsbohrer
DE8406901U1 (de) * 1984-03-07 1984-05-30 Karnebogen, Richard, 5383 Kierspe Schlagbohrkrone
DE3408225A1 (de) * 1984-03-07 1985-09-19 Richard 5383 Kierspe Karnebogen Schlagbohrkrone

Also Published As

Publication number Publication date
ATE67557T1 (de) 1991-10-15
US4771834A (en) 1988-09-20
NO864383L (no) 1986-11-03
DE3510048C1 (de) 1986-04-10
WO1986005542A1 (en) 1986-09-25
EP0199040B1 (de) 1991-09-18
AU584181B2 (en) 1989-05-18
BR8607086A (pt) 1988-01-19
FI874076A (fi) 1987-09-18
SU1560061A3 (ru) 1990-04-23
NO864383D0 (no) 1986-11-03
EP0199040A1 (de) 1986-10-29
DE3681482D1 (de) 1991-10-24
AU5582386A (en) 1986-10-13
JPS62502269A (ja) 1987-09-03
OA08663A (en) 1988-11-30

Similar Documents

Publication Publication Date Title
FI874076A0 (fi) Stoetborrkrona foer stenborrmaskiner.
SE7904263L (sv) Utbytbar borrkrona for en till alla bergarter anvendbar bergvridslagborr och borrhammare
ATE106985T1 (de) Gesteinsbohrer.
ES464176A1 (es) Perfeccionamientos introducidos en una broca.
ATE149628T1 (de) Bohrmeissel mit verbessertem schneideinsatzmuster
SE9100246L (sv) Borr med minst tvaa skaer, samt med symmetrisk borrspets och olika laanga skaereggar
ES2000737A6 (es) Una junta anular para obturar entre un alojamiento y un arbol
GB1474259A (en) Combination rotary and percussion drill bit
DE59510316D1 (de) Gesteinsbohrer
ES2078744T3 (es) Herramienta de taladrar.
ATE65045T1 (de) Bohrer.
SU686635A3 (ru) Резец дл угольного струга
GB1517997A (en) Pneumatic percussion earth boring device
ATE230646T1 (de) Bohrwerkzeug
GB1433556A (en) Step auger and rock bit combination
ATE27235T1 (de) Bohrwerkzeug.
DE3763155D1 (de) Aufbohrwerkzeug.
GB1069264A (en) Improvements in or relating to percussive drill bits
ES264711Y (es) "fresa perforadora-ranuradora".
SU909100A1 (ru) Породоразрущающий орган
SU976007A1 (ru) Буровое шарошечное долото
ATE76158T1 (de) Schlagbohrer mit austauschbarem schneid- oder bohrkopf mit abwaerts oder seitwaerts gerichteten spuelungskanaelen.
SU840270A1 (ru) Бурова коронка
SU1460181A1 (ru) Бурова коронка
SU1328466A1 (ru) Шарошка бурового долота

Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: TREITZ, SIEGFRIED