CA1031766A - Rock bit bearing system for carrying out thrust - Google Patents

Rock bit bearing system for carrying out thrust

Info

Publication number
CA1031766A
CA1031766A CA206,730A CA206730A CA1031766A CA 1031766 A CA1031766 A CA 1031766A CA 206730 A CA206730 A CA 206730A CA 1031766 A CA1031766 A CA 1031766A
Authority
CA
Canada
Prior art keywords
carrying
bearing system
rock bit
bit bearing
out thrust
Prior art date
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
CA206,730A
Other languages
English (en)
French (fr)
Other versions
CA206730S (en
Inventor
Raul A. Miglierini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
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 Industries Inc filed Critical Dresser Industries Inc
Application granted granted Critical
Publication of CA1031766A publication Critical patent/CA1031766A/en
Expired legal-status Critical Current

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)
CA206,730A 1973-09-12 1974-08-09 Rock bit bearing system for carrying out thrust Expired CA1031766A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA1031766A true CA1031766A (en) 1978-05-23

Family

ID=23567984

Family Applications (1)

Application Number Title Priority Date Filing Date
CA206,730A Expired CA1031766A (en) 1973-09-12 1974-08-09 Rock bit bearing system for carrying out thrust

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5186267A (en) * 1990-02-14 1993-02-16 Western Rock Bit Company Limited Journal bearing type rock bit

Families Citing this family (1)

* 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5186267A (en) * 1990-02-14 1993-02-16 Western Rock Bit Company Limited 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
SE7411469L (enrdf_load_stackoverflow) 1975-03-13
FI260474A7 (enrdf_load_stackoverflow) 1975-03-13
NO743269L (enrdf_load_stackoverflow) 1975-04-07
FR2243323B1 (enrdf_load_stackoverflow) 1982-11-05
AU7247874A (en) 1976-02-19

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