JPS5073801A - - Google Patents

Info

Publication number
JPS5073801A
JPS5073801A JP49122965A JP12296574A JPS5073801A JP S5073801 A JPS5073801 A JP S5073801A JP 49122965 A JP49122965 A JP 49122965A JP 12296574 A JP12296574 A JP 12296574A JP S5073801 A JPS5073801 A JP S5073801A
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.)
Granted
Application number
JP49122965A
Other languages
Japanese (ja)
Other versions
JPS5938395B2 (en
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 JPS5073801A publication Critical patent/JPS5073801A/ja
Publication of JPS5938395B2 publication Critical patent/JPS5938395B2/en
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
    • E21B10/08Roller bits
    • E21B10/20Roller bits characterised by detachable or adjustable parts, e.g. legs or axles

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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
JP49122965A 1973-10-24 1974-10-24 Rotary lock bit and its manufacturing method Expired JPS5938395B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40920773A 1973-10-24 1973-10-24
US409207 1973-10-24

Publications (2)

Publication Number Publication Date
JPS5073801A true JPS5073801A (en) 1975-06-18
JPS5938395B2 JPS5938395B2 (en) 1984-09-17

Family

ID=23619494

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49122965A Expired JPS5938395B2 (en) 1973-10-24 1974-10-24 Rotary lock bit and its manufacturing method

Country Status (10)

Country Link
JP (1) JPS5938395B2 (en)
AR (1) AR209075A1 (en)
CA (1) CA1048488A (en)
DE (1) DE2449024C2 (en)
FR (1) FR2249236B1 (en)
GB (1) GB1469260A (en)
IT (1) IT1023084B (en)
NL (1) NL7413279A (en)
NO (1) NO143764C (en)
SE (1) SE410885B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58106094A (en) * 1981-11-30 1983-06-24 ヒユ−ズ・ツ−ル・カンパニ− Positioning of bit section of rock bit apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111673319B (en) * 2020-05-22 2021-12-10 济南法瑞钠焊接器材股份有限公司 Alloy steel high-frequency welder for water drill bit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2831661A (en) * 1953-08-26 1958-04-22 Security Rock Bits Ltd Rock drilling bits

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58106094A (en) * 1981-11-30 1983-06-24 ヒユ−ズ・ツ−ル・カンパニ− Positioning of bit section of rock bit apparatus
JPS6236118B2 (en) * 1981-11-30 1987-08-05 Hughes Tool Co

Also Published As

Publication number Publication date
AU7395774A (en) 1976-04-08
AR209075A1 (en) 1977-03-31
GB1469260A (en) 1977-04-06
JPS5938395B2 (en) 1984-09-17
CA1048488A (en) 1979-02-13
NO143764C (en) 1981-04-08
SE7413331L (en) 1975-04-25
SE410885B (en) 1979-11-12
IT1023084B (en) 1978-05-10
DE2449024C2 (en) 1984-06-28
FR2249236A1 (en) 1975-05-23
NL7413279A (en) 1975-04-28
NO743809L (en) 1975-05-20
NO143764B (en) 1980-12-29
FR2249236B1 (en) 1982-08-27
DE2449024A1 (en) 1975-05-07

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