ZA774120B - Rock-drilling bit for percussion hammers - Google Patents

Rock-drilling bit for percussion hammers

Info

Publication number
ZA774120B
ZA774120B ZA00774120A ZA774120A ZA774120B ZA 774120 B ZA774120 B ZA 774120B ZA 00774120 A ZA00774120 A ZA 00774120A ZA 774120 A ZA774120 A ZA 774120A ZA 774120 B ZA774120 B ZA 774120B
Authority
ZA
South Africa
Prior art keywords
rock
drilling bit
percussion hammers
hammers
percussion
Prior art date
Application number
ZA00774120A
Other languages
English (en)
Inventor
W Lister
Original Assignee
W Lister
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 W Lister filed Critical W Lister
Publication of ZA774120B publication Critical patent/ZA774120B/xx

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
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • E21B17/076—Telescoping joints for varying drill string lengths; Shock absorbers between rod or pipe and drill bit

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 And Exploitation, And Mining Machines And Methods (AREA)
ZA00774120A 1976-07-13 1977-07-08 Rock-drilling bit for percussion hammers ZA774120B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPC662176 1976-07-13

Publications (1)

Publication Number Publication Date
ZA774120B true ZA774120B (en) 1978-05-30

Family

ID=3766703

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00774120A ZA774120B (en) 1976-07-13 1977-07-08 Rock-drilling bit for percussion hammers

Country Status (10)

Country Link
US (1) US4151889A (pt-PT)
JP (1) JPS539201A (pt-PT)
AU (1) AU503750B2 (pt-PT)
BE (1) BE884905Q (pt-PT)
CA (1) CA1061323A (pt-PT)
FR (1) FR2358539A1 (pt-PT)
GB (1) GB1556589A (pt-PT)
IN (1) IN147343B (pt-PT)
SE (1) SE433098B (pt-PT)
ZA (1) ZA774120B (pt-PT)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4296825A (en) * 1977-11-25 1981-10-27 Sandvik Aktiebolag Rock drill
GB8405180D0 (en) * 1984-02-28 1984-04-04 Nl Petroleum Prod Rotary drill bits
US4539018A (en) * 1984-05-07 1985-09-03 Hughes Tool Company--USA Method of manufacturing cutter elements for drill bits
DE3421676A1 (de) * 1984-06-09 1985-12-12 Belzer-Dowidat Gmbh Werkzeug-Union, 5600 Wuppertal Schraemmeissel
US4730682A (en) * 1985-12-23 1988-03-15 Ingersoll-Rand Company Erosion resistant rock drill bit
FR2646875A1 (fr) * 1989-05-11 1990-11-16 Matieres Nucleaires Cie Genera Taillant roto-percutant de forage a elements d'attaque ultra-durs
DE4101458A1 (de) * 1991-01-19 1992-07-23 Wolf Thomas Fuer einen mit axialem druck und schlaegen arbeitenden, umlaufenden gesteinsbohrer bestimmter bohrmeissel
BR9502857A (pt) * 1995-06-20 1997-09-23 Sandvik Ab Ponteira para perfuração de rocha
DE102004028371A1 (de) * 2004-06-11 2005-12-29 Hilti Ag Schlagende Werkzeugmaschine mit Spülkopf
SE531774C2 (sv) * 2006-11-29 2009-08-04 Sandvik Intellectual Property Stiftborrkrona
AT509643B1 (de) * 2010-04-07 2013-08-15 Dywidag Systems Int Gmbh Zweiteiliges bohrwerkzeug zum schlag- oder drehschlagbohren von löchern in boden- oder gesteinsmaterial
EP2592216B1 (en) * 2011-11-11 2018-11-07 Sandvik Intellectual Property AB Drill bit for rock drilling tool, and rock drilling tool
CN105041221A (zh) * 2015-09-10 2015-11-11 贵州中钻机械设备有限公司 快速钻进凿岩钻头

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1136545A (en) * 1913-04-29 1915-04-20 Joseph D Macdonald Bit.
BE564122A (pt-PT) * 1957-05-16
US3059619A (en) * 1961-03-14 1962-10-23 Ingersoll Rand Co Rock drill
US3269470A (en) * 1965-11-15 1966-08-30 Hughes Tool Co Rotary-percussion drill bit with antiwedging gage structure
FR1514998A (fr) * 1966-09-20 1968-03-01 Forges Et Acieries Du Saut Du Taillant de mine
FR1593824A (pt-PT) * 1968-11-29 1970-06-01
US3618683A (en) * 1968-12-16 1971-11-09 Ingersoll Rand Co Button bit
US3693736A (en) * 1969-09-04 1972-09-26 Mission Mfg Co Cutter insert for rock bits
US3606930A (en) * 1969-10-06 1971-09-21 Baker Oil Tools Inc Down-hole drilling hammer
US3735820A (en) * 1971-05-05 1973-05-29 Baker Oil Tools Inc Bore hole air hammer
US3791462A (en) * 1972-03-29 1974-02-12 A Curington Percussion anvil bits
US3771612A (en) * 1972-07-17 1973-11-13 Pacific Tooling Eng Co Replaceable wear-resistant element assembly
US3952819A (en) * 1975-03-10 1976-04-27 A & W Deep-Well Drilling, Inc. Fatigue resistant anvil bit for percussion rock drill

Also Published As

Publication number Publication date
BE884905Q (fr) 1980-12-16
GB1556589A (en) 1979-11-28
SE7708087L (sv) 1978-01-14
AU503750B2 (en) 1979-09-20
SE433098B (sv) 1984-05-07
FR2358539A1 (fr) 1978-02-10
US4151889A (en) 1979-05-01
AU2621277A (en) 1978-12-21
CA1061323A (en) 1979-08-28
JPS539201A (en) 1978-01-27
FR2358539B1 (pt-PT) 1983-06-17
IN147343B (pt-PT) 1980-02-09

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