NO841323L - Fjellbor - Google Patents

Fjellbor

Info

Publication number
NO841323L
NO841323L NO841323A NO841323A NO841323L NO 841323 L NO841323 L NO 841323L NO 841323 A NO841323 A NO 841323A NO 841323 A NO841323 A NO 841323A NO 841323 L NO841323 L NO 841323L
Authority
NO
Norway
Prior art keywords
cam inserts
rock drill
inserts
front surface
caliber
Prior art date
Application number
NO841323A
Other languages
English (en)
Norwegian (no)
Inventor
Lars-Erik Tunell
Original Assignee
Santrade Ltd
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 Santrade Ltd filed Critical Santrade Ltd
Publication of NO841323L publication Critical patent/NO841323L/no

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
    • E21B10/46—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)
  • Electrophonic Musical Instruments (AREA)
  • Saccharide Compounds (AREA)
  • Steroid Compounds (AREA)
  • Surgical Instruments (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Electrotherapy Devices (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
NO841323A 1983-04-05 1984-04-04 Fjellbor NO841323L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8301860A SE448108C (sv) 1983-04-05 1983-04-05 Bergborr foer slagborrning av mindre haal innefattande snedstaellda periferistift

Publications (1)

Publication Number Publication Date
NO841323L true NO841323L (no) 1984-10-08

Family

ID=20350658

Family Applications (1)

Application Number Title Priority Date Filing Date
NO841323A NO841323L (no) 1983-04-05 1984-04-04 Fjellbor

Country Status (12)

Country Link
US (1) US4572307A (de)
EP (1) EP0122242B1 (de)
JP (1) JPS59185284A (de)
AT (1) ATE27845T1 (de)
AU (1) AU568347B2 (de)
BR (1) BR8401506A (de)
CA (1) CA1214158A (de)
DE (1) DE3464273D1 (de)
FI (1) FI79173C (de)
IE (1) IE55588B1 (de)
NO (1) NO841323L (de)
SE (1) SE448108C (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8501698L (sv) * 1985-04-04 1986-10-05 Santrade Ltd Borrkrona
US4694918A (en) * 1985-04-29 1987-09-22 Smith International, Inc. Rock bit with diamond tip inserts
DE3545758A1 (de) * 1985-12-21 1987-06-25 Wengeler & Kalthoff Hammerwerk Bohrer zum aufbohren der abstichloecher von hochoefen
US4716976A (en) * 1986-10-28 1988-01-05 Kennametal Inc. Rotary percussion drill bit
SE503325C2 (sv) * 1990-03-26 1996-05-28 Sandvik Ab Borrkrona
SE509280C2 (sv) * 1994-10-12 1999-01-11 Sandvik Ab Stift av hårdmetall och bergborrkrona för slående borrning
AT265U3 (de) * 1995-01-18 1996-01-25 Techmo Entw & Vertriebs Gmbh Bohrkrone
US5535839A (en) * 1995-06-07 1996-07-16 Brady; William J. Roof drill bit with radial domed PCD inserts
US6918455B2 (en) * 1997-06-30 2005-07-19 Smith International Drill bit with large inserts
US5947215A (en) * 1997-11-06 1999-09-07 Sandvik Ab Diamond enhanced rock drill bit for percussive drilling
USD487753S1 (en) 2002-06-03 2004-03-23 The William J. Brady Loving Trust Over-reamer drill tool for pilot bit
WO2004022548A1 (ja) 2002-09-05 2004-03-18 Toray Fine Chemicals Co,. Ltd. オキシカルボニル置換ピペラジン誘導体の製造方法
EP2642063A1 (de) 2012-03-22 2013-09-25 Sandvik Intellectual Property AB Bohrmeißel zum Schlagbohren
JP1569589S (de) * 2016-07-14 2017-02-20
JP1569597S (de) * 2016-07-14 2017-02-20
JP1569599S (de) * 2016-07-14 2017-02-20

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2689109A (en) * 1948-04-30 1954-09-14 Joy Mfg Co Rock drill bit
US2725216A (en) * 1951-07-20 1955-11-29 Philip B Brown Drilling bit
FR1343814A (fr) * 1962-10-26 1963-11-22 Ver Werkzeug Und Besteckfabrik Couronne de sondage pour forer la roche par percussion
US3997011A (en) * 1975-05-27 1976-12-14 Staroba Otto R Button drill bit structure
SU607972A1 (ru) * 1976-07-02 1978-05-25 Государственный Проектно-Конструкторский И Экспериментальный Институт По Обогатительному "Гипромашобогащение" Бурова коронка
US4296825A (en) * 1977-11-25 1981-10-27 Sandvik Aktiebolag Rock drill
US4304312A (en) * 1980-01-11 1981-12-08 Sandvik Aktiebolag Percussion drill bit having centrally projecting insert
AU536381B2 (en) * 1980-03-26 1984-05-03 Sandvik Ab Drill tool

Also Published As

Publication number Publication date
EP0122242A1 (de) 1984-10-17
FI79173C (fi) 1989-11-10
ATE27845T1 (de) 1987-07-15
IE55588B1 (en) 1990-11-07
FI841256A0 (fi) 1984-03-29
SE8301860L (sv) 1984-10-06
CA1214158A (en) 1986-11-18
SE448108B (sv) 1987-01-19
AU2603784A (en) 1984-10-11
EP0122242B1 (de) 1987-06-16
SE8301860D0 (sv) 1983-04-05
SE448108C (sv) 1989-08-14
IE840827L (en) 1984-10-05
US4572307A (en) 1986-02-25
AU568347B2 (en) 1987-12-24
BR8401506A (pt) 1984-11-13
FI79173B (fi) 1989-07-31
DE3464273D1 (en) 1987-07-23
JPS59185284A (ja) 1984-10-20
FI841256L (fi) 1984-10-06

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