FI772577A - Bett foer stenborr - Google Patents

Bett foer stenborr

Info

Publication number
FI772577A
FI772577A FI772577A FI772577A FI772577A FI 772577 A FI772577 A FI 772577A FI 772577 A FI772577 A FI 772577A FI 772577 A FI772577 A FI 772577A FI 772577 A FI772577 A FI 772577A
Authority
FI
Finland
Prior art keywords
stenborr
bett
foer
foer stenborr
bett foer
Prior art date
Application number
FI772577A
Other languages
English (en)
Inventor
Kazimierz Pawlik
Jadwiga Janikowska-Pawlik
Adam Siedlar
Original Assignee
Akad Gorniczo Hutnicza
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 Akad Gorniczo Hutnicza filed Critical Akad Gorniczo Hutnicza
Publication of FI772577A publication Critical patent/FI772577A/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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/58—Chisel-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)
  • Drilling Tools (AREA)
FI772577A 1976-08-31 1977-08-30 Bett foer stenborr FI772577A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL1976192149A PL119181B1 (en) 1976-08-31 1976-08-31 Drill-bit for drilling bore-holes in rocks

Publications (1)

Publication Number Publication Date
FI772577A true FI772577A (fi) 1978-03-01

Family

ID=19978405

Family Applications (1)

Application Number Title Priority Date Filing Date
FI772577A FI772577A (fi) 1976-08-31 1977-08-30 Bett foer stenborr

Country Status (8)

Country Link
US (1) US4185708A (fi)
JP (1) JPS5329203A (fi)
CA (1) CA1059114A (fi)
DE (1) DE2735855C3 (fi)
FI (1) FI772577A (fi)
PL (1) PL119181B1 (fi)
SE (1) SE7709740L (fi)
ZA (1) ZA774868B (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2538442B1 (fr) * 1982-12-23 1986-02-28 Charbonnages De France Taillant pour foration rotative assistee par jet
US5373900A (en) 1988-04-15 1994-12-20 Baker Hughes Incorporated Downhole milling tool
AU5749398A (en) * 1997-02-10 1998-08-26 American Tool Companies A/S A method of mounting a cutting member in a tool body
JP3961959B2 (ja) * 2001-05-17 2007-08-22 アトラス・コプコ・マイ・ゲーエムベーハー ドリルビット
DE102006000081A1 (de) * 2006-02-20 2007-08-23 Hilti Ag Gesteinsbohrkopf
DE102006045918A1 (de) * 2006-09-28 2008-04-03 Robert Bosch Gmbh Gesteinsbohrer
WO2014094124A1 (en) * 2012-12-17 2014-06-26 Groupe Fordia Inc. Drill bit
CN110145239B (zh) * 2019-05-20 2021-03-09 中国地质大学（北京） 钻探用镶齿、牙轮钻头及钻探用镶齿的加工方法
EP4239159A1 (en) * 2022-03-04 2023-09-06 Sandvik Mining and Construction Tools AB Central flushing channel comprising id marker

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2101376A (en) * 1934-10-09 1937-12-07 Wallramit Handel Mij Nv Percussive boring tool
US2494188A (en) * 1945-10-17 1950-01-10 Juan M Meaney Detachable rock drill bit with replaceable cutters
US2650071A (en) * 1950-03-10 1953-08-25 Central Mine Equipment Company Mining drill
US3140749A (en) * 1958-12-05 1964-07-14 Dionisotti Joseph Wedge inserts for drill bit
US4026372A (en) * 1974-03-21 1977-05-31 Padley & Venables Limited Drill bits

Also Published As

Publication number Publication date
DE2735855A1 (de) 1978-03-02
SE7709740L (sv) 1978-03-01
DE2735855B2 (de) 1979-10-04
PL192149A1 (pl) 1978-03-13
CA1059114A (en) 1979-07-24
US4185708A (en) 1980-01-29
DE2735855C3 (de) 1980-06-19
PL119181B1 (en) 1981-12-31
JPS5329203A (en) 1978-03-18
ZA774868B (en) 1978-06-28

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Legal Events

Date Code Title Description
FA Application withdrawn

Owner name: AKADEMIA GORNICZO-HUTNICZA