CA1058608A - Palier de trepan - Google Patents

Palier de trepan

Info

Publication number
CA1058608A
CA1058608A CA277,436A CA277436A CA1058608A CA 1058608 A CA1058608 A CA 1058608A CA 277436 A CA277436 A CA 277436A CA 1058608 A CA1058608 A CA 1058608A
Authority
CA
Canada
Prior art keywords
bearing
groove
shaft
cylindrical
journal
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
CA277,436A
Other languages
English (en)
Inventor
Arthur A. Villaloboz
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.)
Smith International Inc
Original Assignee
Smith International 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
Priority claimed from US05/768,944 external-priority patent/US4061376A/en
Application filed by Smith International Inc filed Critical Smith International Inc
Application granted granted Critical
Publication of CA1058608A publication Critical patent/CA1058608A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/64—Special methods of manufacture
    • 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
    • E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2352/00—Apparatus for drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Earth Drilling (AREA)
CA277,436A 1976-06-14 1977-04-29 Palier de trepan Expired CA1058608A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US69590676A 1976-06-14 1976-06-14
US05/768,944 US4061376A (en) 1976-06-14 1977-02-15 Rock bit bearing structure

Publications (1)

Publication Number Publication Date
CA1058608A true CA1058608A (fr) 1979-07-17

Family

ID=27105677

Family Applications (1)

Application Number Title Priority Date Filing Date
CA277,436A Expired CA1058608A (fr) 1976-06-14 1977-04-29 Palier de trepan

Country Status (2)

Country Link
CA (1) CA1058608A (fr)
GB (1) GB1524914A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6296067B1 (en) * 1996-09-09 2001-10-02 Smith International, Inc. Protected lubricant reservoir for sealed bearing earth boring drill bit
US6619412B2 (en) 1996-09-09 2003-09-16 Smith International, Inc. Protected lubricant reservoir for sealed earth boring drill bit
CA2240023C (fr) * 1997-07-01 2007-02-13 Smith International, Inc. Reservoir de lubrifiant protege pour trepan de forage a roulements etanches

Also Published As

Publication number Publication date
GB1524914A (en) 1978-09-13

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