FI841256A - Stenborr. - Google Patents

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Publication number
FI841256A
FI841256A FI841256A FI841256A FI841256A FI 841256 A FI841256 A FI 841256A FI 841256 A FI841256 A FI 841256A FI 841256 A FI841256 A FI 841256A FI 841256 A FI841256 A FI 841256A
Authority
FI
Finland
Prior art keywords
button inserts
gauge
frontal
rock drill
longitudinal axis
Prior art date
Application number
FI841256A
Other languages
English (en)
Other versions
FI79173B (fi
FI79173C (fi
FI841256A0 (fi
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 FI841256A0 publication Critical patent/FI841256A0/fi
Publication of FI841256A publication Critical patent/FI841256A/fi
Publication of FI79173B publication Critical patent/FI79173B/fi
Application granted granted Critical
Publication of FI79173C publication Critical patent/FI79173C/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
    • E21B10/46—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)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Electrotherapy Devices (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Surgical Instruments (AREA)
  • Saccharide Compounds (AREA)
  • Steroid Compounds (AREA)
FI841256A 1983-04-05 1984-03-29 Bergborr. FI79173C (fi)

Applications Claiming Priority (2)

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
SE8301860 1983-04-05

Publications (4)

Publication Number Publication Date
FI841256A0 FI841256A0 (fi) 1984-03-29
FI841256A true FI841256A (fi) 1984-10-06
FI79173B FI79173B (fi) 1989-07-31
FI79173C FI79173C (fi) 1989-11-10

Family

ID=20350658

Family Applications (1)

Application Number Title Priority Date Filing Date
FI841256A FI79173C (fi) 1983-04-05 1984-03-29 Bergborr.

Country Status (12)

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

Families Citing this family (15)

* 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
EP1548010A4 (en) 2002-09-05 2007-08-01 Toray Finechemicals Co Ltd PROCESS FOR PRODUCING OXYCARBONYL SUBSTITUTED PIPERAZINE DERIVATIVE
EP2642063A1 (en) 2012-03-22 2013-09-25 Sandvik Intellectual Property AB A drill bit for percussive drilling
JP1569589S (fi) * 2016-07-14 2017-02-20
JP1569599S (fi) * 2016-07-14 2017-02-20
JP1569597S (fi) * 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
AU568347B2 (en) 1987-12-24
BR8401506A (pt) 1984-11-13
EP0122242A1 (en) 1984-10-17
IE55588B1 (en) 1990-11-07
ATE27845T1 (de) 1987-07-15
SE8301860D0 (sv) 1983-04-05
AU2603784A (en) 1984-10-11
FI79173B (fi) 1989-07-31
JPS59185284A (ja) 1984-10-20
IE840827L (en) 1984-10-05
DE3464273D1 (en) 1987-07-23
FI79173C (fi) 1989-11-10
US4572307A (en) 1986-02-25
SE448108C (sv) 1989-08-14
FI841256A0 (fi) 1984-03-29
NO841323L (no) 1984-10-08
SE8301860L (sv) 1984-10-06
CA1214158A (en) 1986-11-18
SE448108B (sv) 1987-01-19
EP0122242B1 (en) 1987-06-16

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: SANTRADE LIMITED