ZA752960B - Rotary percussion earth boring bit - Google Patents

Rotary percussion earth boring bit

Info

Publication number
ZA752960B
ZA752960B ZA00752960A ZA752960A ZA752960B ZA 752960 B ZA752960 B ZA 752960B ZA 00752960 A ZA00752960 A ZA 00752960A ZA 752960 A ZA752960 A ZA 752960A ZA 752960 B ZA752960 B ZA 752960B
Authority
ZA
South Africa
Prior art keywords
earth boring
boring bit
rotary percussion
percussion earth
rotary
Prior art date
Application number
ZA00752960A
Other languages
English (en)
Inventor
M Bender
Original Assignee
Hughes Tool Co
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 Hughes Tool Co filed Critical Hughes Tool Co
Publication of ZA752960B publication Critical patent/ZA752960B/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
    • E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
    • 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
    • E21B10/36—Percussion drill bits
    • E21B10/40—Percussion drill bits with leading portion
    • 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)
  • 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)
ZA00752960A 1974-07-01 1975-05-07 Rotary percussion earth boring bit ZA752960B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US484838A US3918538A (en) 1974-07-01 1974-07-01 Rotary percussion earth boring bit

Publications (1)

Publication Number Publication Date
ZA752960B true ZA752960B (en) 1976-04-28

Family

ID=23925829

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00752960A ZA752960B (en) 1974-07-01 1975-05-07 Rotary percussion earth boring bit

Country Status (7)

Country Link
US (2) US3918538A (xx)
JP (1) JPS5413362Y2 (xx)
AU (1) AU8105875A (xx)
CA (1) CA1003399A (xx)
GB (1) GB1507163A (xx)
SE (1) SE7506485L (xx)
ZA (1) ZA752960B (xx)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096917A (en) * 1975-09-29 1978-06-27 Harris Jesse W Earth drilling knobby bit
US4862976A (en) * 1988-11-22 1989-09-05 Sandvik Rock Tools, Inc. Spline drive for percussion drilling tool
GB2366585A (en) * 1997-06-30 2002-03-13 Smith International Improvements in or relating to drill bits
SE523853C2 (sv) * 1997-06-30 2004-05-25 Smith International Borrkrona med stora insatser
NO316856B1 (no) * 2000-12-21 2004-06-01 Moe Per Thomas Fremgangsmåte ved boring og slagborekrone for utførelse av denne
US7527110B2 (en) * 2006-10-13 2009-05-05 Hall David R Percussive drill bit
EP2612981B1 (en) 2012-01-09 2014-07-16 Sandvik Intellectual Property AB A drill bit for a percussive hammer, and shank and retention lug therefore
CN104153710A (zh) * 2014-08-12 2014-11-19 江苏中油天工机械有限公司 一种三斜面空气锤钻头
USD872142S1 (en) * 2015-05-21 2020-01-07 Center Rock Inc. Drill bit for a down-the-hole drill hammer
CA165393S (en) 2015-05-29 2016-06-16 Atlas Copco Secoroc Ab Rock drill bit
USD870168S1 (en) 2018-03-13 2019-12-17 Robit Oyj Drill bit
USD861051S1 (en) * 2018-03-13 2019-09-24 Robit Oyj Drill bit
USD1009108S1 (en) * 2020-09-21 2023-12-26 Kyocera Unimerco Tooling A/S Drill

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3158216A (en) * 1961-04-27 1964-11-24 Inst Francais Du Petrole High speed drill bit
US3185228A (en) * 1963-01-21 1965-05-25 Hughes Tool Co Rotary-percussion drill bit with heel row inserts to prevent wedging
US3388756A (en) * 1965-03-29 1968-06-18 Varel Mfg Company Percussion bit
US3357507A (en) * 1965-10-24 1967-12-12 Mission Mfg Co Percussion bit
US3269470A (en) * 1965-11-15 1966-08-30 Hughes Tool Co Rotary-percussion drill bit with antiwedging gage structure
US3583504A (en) * 1969-02-24 1971-06-08 Mission Mfg Co Gauge cutting bit
US3537538A (en) * 1969-05-21 1970-11-03 Christensen Diamond Prod Co Impregnated diamond bit
US3717209A (en) * 1971-06-10 1973-02-20 Pacific Tooling & Eng Co Replaceable wear-resistant element and method for replacing same
US3858671A (en) * 1973-04-23 1975-01-07 Kennametal Inc Excavating tool

Also Published As

Publication number Publication date
GB1507163A (en) 1978-04-12
CA1003399A (en) 1977-01-11
AU8105875A (en) 1976-11-18
JPS5413362Y2 (xx) 1979-06-07
JPS516103U (xx) 1976-01-17
SE7506485L (sv) 1976-01-02
US3918538A (en) 1975-11-11
USRE29300E (en) 1977-07-12

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