JPS4826603A - - Google Patents

Info

Publication number
JPS4826603A
JPS4826603A JP47079017A JP7901772A JPS4826603A JP S4826603 A JPS4826603 A JP S4826603A JP 47079017 A JP47079017 A JP 47079017A JP 7901772 A JP7901772 A JP 7901772A JP S4826603 A JPS4826603 A JP S4826603A
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.)
Pending
Application number
JP47079017A
Other languages
Japanese (ja)
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 JPS4826603A publication Critical patent/JPS4826603A/ja
Pending 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
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
    • F16C33/6607—Retaining the grease in or near the bearing
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
    • F16C33/6622—Details of supply and/or removal of the grease, e.g. purging grease
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
JP47079017A 1971-08-12 1972-08-07 Pending JPS4826603A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17105371A 1971-08-12 1971-08-12

Publications (1)

Publication Number Publication Date
JPS4826603A true JPS4826603A (enExample) 1973-04-07

Family

ID=22622305

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47079017A Pending JPS4826603A (enExample) 1971-08-12 1972-08-07

Country Status (8)

Country Link
US (1) US3739864A (enExample)
JP (1) JPS4826603A (enExample)
AR (1) AR198625A1 (enExample)
CA (1) CA962995A (enExample)
DE (1) DE2231745A1 (enExample)
FR (1) FR2148570B1 (enExample)
GB (1) GB1370220A (enExample)
IT (1) IT961338B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58138834A (ja) * 1982-02-10 1983-08-17 Nippon Sagiyousen Kyokai 歩行式浚渫船

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3847234A (en) * 1972-06-01 1974-11-12 Reed Tool Co Pressure relief device for drill bit lubrication system
DE2929349A1 (de) * 1979-07-20 1981-01-29 Blohm Voss Ag Fuer den unterwasserbetrieb abgedichtete lagerung drehbarer teile eines hebezeugs
US4431066A (en) * 1981-02-18 1984-02-14 Hughes Tool Company Stressed relieved bit leg for an earth boring bit
US5027911A (en) * 1989-11-02 1991-07-02 Dresser Industries, Inc. Double seal with lubricant gap between seals for sealed rotary drill bits
US5381868A (en) * 1993-10-08 1995-01-17 Triumph*Lor Inc Sealed bearing roller reamer
US5513711A (en) * 1994-08-31 1996-05-07 Williams; Mark E. Sealed and lubricated rotary cone drill bit having improved seal protection
US5441120A (en) * 1994-08-31 1995-08-15 Dresser Industries, Inc. Roller cone rock bit having a sealing system with double elastomer seals
US5513715A (en) * 1994-08-31 1996-05-07 Dresser Industries, Inc. Flat seal for a roller cone rock bit
US5636700A (en) * 1995-01-03 1997-06-10 Dresser Industries, Inc. Roller cone rock bit having improved cutter gauge face surface compacts and a method of construction
US5709278A (en) * 1996-01-22 1998-01-20 Dresser Industries, Inc. Rotary cone drill bit with contoured inserts and compacts
US5722497A (en) * 1996-03-21 1998-03-03 Dresser Industries, Inc. Roller cone gage surface cutting elements with multiple ultra hard cutting surfaces
US6116357A (en) * 1996-09-09 2000-09-12 Smith International, Inc. Rock drill bit with back-reaming protection
US6619412B2 (en) 1996-09-09 2003-09-16 Smith International, Inc. Protected lubricant reservoir for sealed earth boring drill bit
US6698536B2 (en) 2001-10-01 2004-03-02 Smith International, Inc. Roller cone drill bit having lubrication contamination detector and lubrication positive pressure maintenance system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127942A (en) * 1962-01-02 1964-04-07 Smith Ind International Inc Bearing closure for rotary rock bit
US3476195A (en) * 1968-11-15 1969-11-04 Hughes Tool Co Lubricant relief valve for rock bits
US3534823A (en) * 1969-02-28 1970-10-20 Murphy Ind Inc G W Drill bit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58138834A (ja) * 1982-02-10 1983-08-17 Nippon Sagiyousen Kyokai 歩行式浚渫船

Also Published As

Publication number Publication date
FR2148570A1 (enExample) 1973-03-23
GB1370220A (en) 1974-10-16
DE2231745A1 (de) 1973-02-22
IT961338B (it) 1973-12-10
CA962995A (en) 1975-02-18
AR198625A1 (es) 1974-07-15
US3739864A (en) 1973-06-19
AU4385972A (en) 1974-01-03
FR2148570B1 (enExample) 1976-05-21

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