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JPS5413362Y2 - - Google Patents

Info

Publication number
JPS5413362Y2
JPS5413362Y2 JP1975019352U JP1935275U JPS5413362Y2 JP S5413362 Y2 JPS5413362 Y2 JP S5413362Y2 JP 1975019352 U JP1975019352 U JP 1975019352U JP 1935275 U JP1935275 U JP 1935275U JP S5413362 Y2 JPS5413362 Y2 JP S5413362Y2
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Expired
Application number
JP1975019352U
Other versions
JPS516103U (ja
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 filed Critical
Publication of JPS516103U publication Critical patent/JPS516103U/ja
Application granted granted Critical
Publication of JPS5413362Y2 publication Critical patent/JPS5413362Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/42Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/36Percussion drill bits
    • E21B10/38Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/36Percussion drill bits
    • E21B10/40Percussion drill bits with leading portion
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56Button-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)
JP1975019352U 1974-07-01 1975-02-13 Expired JPS5413362Y2 (ja)

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 (2)

Publication Number Publication Date
JPS516103U JPS516103U (ja) 1976-01-17
JPS5413362Y2 true JPS5413362Y2 (ja) 1979-06-07

Family

ID=23925829

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1975019352U Expired JPS5413362Y2 (ja) 1974-07-01 1975-02-13

Country Status (7)

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

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
US6918455B2 (en) * 1997-06-30 2005-07-19 Smith International Drill bit with large inserts
GB2366585A (en) * 1997-06-30 2002-03-13 Smith International Improvements in or relating to drill bits
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
USD861051S1 (en) * 2018-03-13 2019-09-24 Robit Oyj Drill bit
USD870168S1 (en) 2018-03-13 2019-12-17 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
CA1003399A (en) 1977-01-11
JPS516103U (ja) 1976-01-17
ZA752960B (en) 1976-04-28
US3918538A (en) 1975-11-11
AU8105875A (en) 1976-11-18
SE7506485L (sv) 1976-01-02
GB1507163A (en) 1978-04-12
USRE29300E (en) 1977-07-12

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