NO743269L - - Google Patents

Info

Publication number
NO743269L
NO743269L NO743269A NO743269A NO743269L NO 743269 L NO743269 L NO 743269L NO 743269 A NO743269 A NO 743269A NO 743269 A NO743269 A NO 743269A NO 743269 L NO743269 L NO 743269L
Authority
NO
Norway
Application number
NO743269A
Other languages
Norwegian (no)
Inventor
R A Miglierini
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 NO743269L publication Critical patent/NO743269L/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
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details

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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)
NO743269A 1973-09-12 1974-09-11 NO743269L (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US39662273A 1973-09-12 1973-09-12

Publications (1)

Publication Number Publication Date
NO743269L true NO743269L (enrdf_load_stackoverflow) 1975-04-07

Family

ID=23567984

Family Applications (1)

Application Number Title Priority Date Filing Date
NO743269A NO743269L (enrdf_load_stackoverflow) 1973-09-12 1974-09-11

Country Status (7)

Country Link
CA (1) CA1031766A (enrdf_load_stackoverflow)
FI (1) FI260474A7 (enrdf_load_stackoverflow)
FR (1) FR2243323B1 (enrdf_load_stackoverflow)
GB (1) GB1473938A (enrdf_load_stackoverflow)
NO (1) NO743269L (enrdf_load_stackoverflow)
SE (1) SE7411469L (enrdf_load_stackoverflow)
ZA (1) ZA745188B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2755591C2 (de) * 1977-12-14 1985-11-07 SKF GmbH, 8720 Schweinfurt Rollenmeißel mit kegelig ausgebildeten Schneidrollen
CA2009987A1 (en) * 1990-02-14 1991-08-14 Kenneth M. White Journal bearing type rock bit

Also Published As

Publication number Publication date
GB1473938A (en) 1977-05-18
ZA745188B (en) 1975-08-27
FR2243323A1 (enrdf_load_stackoverflow) 1975-04-04
CA1031766A (en) 1978-05-23
SE7411469L (enrdf_load_stackoverflow) 1975-03-13
FI260474A7 (enrdf_load_stackoverflow) 1975-03-13
FR2243323B1 (enrdf_load_stackoverflow) 1982-11-05
AU7247874A (en) 1976-02-19

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