NO143764C - Borkrone samt fremgangsmaate for dens fremstilling - Google Patents

Borkrone samt fremgangsmaate for dens fremstilling

Info

Publication number
NO143764C
NO143764C NO743809A NO743809A NO143764C NO 143764 C NO143764 C NO 143764C NO 743809 A NO743809 A NO 743809A NO 743809 A NO743809 A NO 743809A NO 143764 C NO143764 C NO 143764C
Authority
NO
Norway
Prior art keywords
borkrone
procedure
manufacturing
Prior art date
Application number
NO743809A
Other languages
English (en)
Other versions
NO143764B (no
NO743809L (no
Inventor
Carl Laurent Lichte
Original Assignee
Dresser Ind
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 Dresser Ind filed Critical Dresser Ind
Publication of NO743809L publication Critical patent/NO743809L/no
Publication of NO143764B publication Critical patent/NO143764B/no
Publication of NO143764C publication Critical patent/NO143764C/no

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
    • E21B10/08—Roller bits
    • E21B10/20—Roller 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)
NO743809A 1973-10-24 1974-10-23 Borkrone samt fremgangsmaate for dens fremstilling NO143764C (no)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NO743809L NO743809L (no) 1975-05-20
NO143764B NO143764B (no) 1980-12-29
NO143764C true NO143764C (no) 1981-04-08

Family

ID=23619494

Family Applications (1)

Application Number Title Priority Date Filing Date
NO743809A NO143764C (no) 1973-10-24 1974-10-23 Borkrone samt fremgangsmaate for dens fremstilling

Country Status (10)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414734A (en) * 1981-11-30 1983-11-15 Hughes Tool Company Triad for rock bit assembly
CN111673319B (zh) * 2020-05-22 2021-12-10 济南法瑞钠焊接器材股份有限公司 一种水钻钻头合金钢高频焊接器

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

Also Published As

Publication number Publication date
NL7413279A (nl) 1975-04-28
IT1023084B (it) 1978-05-10
SE410885B (sv) 1979-11-12
FR2249236B1 (no) 1982-08-27
FR2249236A1 (no) 1975-05-23
GB1469260A (en) 1977-04-06
CA1048488A (en) 1979-02-13
AU7395774A (en) 1976-04-08
SE7413331L (no) 1975-04-25
JPS5938395B2 (ja) 1984-09-17
NO143764B (no) 1980-12-29
AR209075A1 (es) 1977-03-31
JPS5073801A (no) 1975-06-18
DE2449024C2 (de) 1984-06-28
DE2449024A1 (de) 1975-05-07
NO743809L (no) 1975-05-20

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