ZA774409B - Rock bit - Google Patents

Rock bit

Info

Publication number
ZA774409B
ZA774409B ZA00774409A ZA774409A ZA774409B ZA 774409 B ZA774409 B ZA 774409B ZA 00774409 A ZA00774409 A ZA 00774409A ZA 774409 A ZA774409 A ZA 774409A ZA 774409 B ZA774409 B ZA 774409B
Authority
ZA
South Africa
Prior art keywords
rock bit
rock
bit
Prior art date
Application number
ZA00774409A
Other languages
English (en)
Inventor
H Nederveen
Original Assignee
Skf Ind Trading & Dev
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 Skf Ind Trading & Dev filed Critical Skf Ind Trading & Dev
Publication of ZA774409B publication Critical patent/ZA774409B/xx

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
    • E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by sealing details
    • 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
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • F16C19/36—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
    • F16C19/364—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
    • 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
    • F16C33/72—Sealings
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3268—Mounting of sealing rings
    • 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)
ZA00774409A 1976-08-23 1977-07-21 Rock bit ZA774409B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7609328A NL7609328A (nl) 1976-08-23 1976-08-23 Rolbeitel.

Publications (1)

Publication Number Publication Date
ZA774409B true ZA774409B (en) 1978-06-28

Family

ID=19826779

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00774409A ZA774409B (en) 1976-08-23 1977-07-21 Rock bit

Country Status (10)

Country Link
US (1) US4172502A (nl)
JP (1) JPS5952277B2 (nl)
CA (1) CA1069882A (nl)
DE (1) DE2736711A1 (nl)
FR (1) FR2362991A1 (nl)
GB (1) GB1584758A (nl)
IT (1) IT1080599B (nl)
NL (1) NL7609328A (nl)
SE (1) SE434175B (nl)
ZA (1) ZA774409B (nl)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7703810L (sv) * 1977-04-01 1978-10-02 Sandvik Ab Tetningsanordning vid rullborrkronor
DE2743825C2 (de) * 1977-09-29 1986-01-30 SKF GmbH, 8720 Schweinfurt Rollenmeißel
US4254839A (en) * 1979-06-21 1981-03-10 Dresser Industries, Inc. Radial force anti-extrusion device for sealed drill string unit
US4359111A (en) * 1980-05-27 1982-11-16 Gonzalez Eduardo B Self compensating seal apparatus
SE8008430L (sv) * 1980-12-02 1982-06-03 Sandvik Ab Bergborrkrona
US4629338A (en) * 1986-03-31 1986-12-16 Dresser Industries, Inc. Seal and bearing apparatus for bits
US4722404A (en) * 1987-01-28 1988-02-02 Varel Manufacturing Company Drill bit bearing seal
US4753304A (en) * 1987-03-09 1988-06-28 Hughes Tool Company Volume and pressure balanced rigid face seal for rock bits
US4825964A (en) * 1987-08-24 1989-05-02 Rives Allen K Arrangement for reducing seal damage between rotatable and stationary members
US4838365A (en) * 1988-04-25 1989-06-13 Reed Tool Company Seal assembly for rotary drill bits
US4895215A (en) * 1988-12-05 1990-01-23 Rives Allen K Seal cage assembly for relatively movable members
US5016719A (en) * 1990-01-24 1991-05-21 Western Rock Bit Company Limited Rotary cone type rock bits
US5137097A (en) * 1990-10-30 1992-08-11 Modular Engineering Modular drill bit
US6247545B1 (en) 1998-12-22 2001-06-19 Camco International Inc. Single energizer face seal for rocks bits with floating journal bearings
US6176330B1 (en) 1999-10-12 2001-01-23 Camco International Inc. Rock bit face seal having anti-rotation pins
US6427790B1 (en) 2001-11-08 2002-08-06 Schlumberger Technology Corporation Rock bit face seal having lubrication gap
US7117961B2 (en) * 2003-07-31 2006-10-10 Smith International, Inc. Dynamic seal with soft interface
UA87260C2 (ru) * 2003-09-01 2009-07-10 Игорь Александрович Купчинский Подшипниковая опора бурового долота
US7188691B2 (en) * 2004-06-15 2007-03-13 Smith International, Inc. Metal seal with impact-absorbing ring
US7347290B2 (en) * 2004-06-15 2008-03-25 Smith International, Inc. Multi-part energizer for mechanical seal assembly
US7461708B2 (en) * 2004-08-16 2008-12-09 Smith International, Inc. Elastomeric seal assembly having auxiliary annular seal components
US20060065445A1 (en) * 2004-09-28 2006-03-30 Smith International, Inc. Rock-bit seals with asymmetric contact profiles
US9163458B2 (en) 2013-02-13 2015-10-20 Varel International, Ind., L.P. Rock bit having a flexible metal faced seal
US9091130B2 (en) * 2013-02-13 2015-07-28 Varel International, Ind., L.P. Rock bit having a radially self-aligning metal faced seal
US9163459B2 (en) * 2013-02-13 2015-10-20 Varel International, Ind., L.P. Rock bit having a pressure balanced metal faced seal

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1050707B (de) * 1959-02-19 Hagen Karl-Günther Bechern (Westf.) - Berchum Rollenmeißel
US1384675A (en) * 1920-10-09 1921-07-12 Edward J Zitzman Stool
US1803679A (en) * 1925-12-16 1931-05-05 Hughes Tool Co Drill cutter retaining means
US1839589A (en) * 1929-06-14 1932-01-05 Chicago Pneumatic Tool Co Roller cutter organization for earth boring drills
US1997345A (en) * 1932-03-17 1935-04-09 Clarence E Reed Roller cutter assembly for earth boring drills
US2039551A (en) * 1934-10-29 1936-05-05 S R Bowen Company Rotary bit
US2579819A (en) * 1947-09-26 1951-12-25 Engineering Lab Inc Drill bit
US2697014A (en) * 1951-12-24 1954-12-14 Reed Roiler Bit Company Drill bit
FR1168451A (fr) * 1957-01-18 1958-12-09 Outil pour le forage du sol
FR1213270A (fr) * 1959-01-12 1960-03-30 Outil de forage
US3102601A (en) * 1959-04-13 1963-09-03 Phillips Petroleum Co Drill bit
US3137508A (en) * 1961-01-03 1964-06-16 Hughes Tool Co Bearing seal
FR1295380A (fr) * 1961-02-22 1962-06-08 Perfectionnements aux outils de forage de puits de pétrole
US3096835A (en) * 1962-01-02 1963-07-09 Smith Ind International Inc Bearing seal for rotary rock bits
US3193028A (en) * 1962-09-26 1965-07-06 Exxon Production Research Co Rotary drill bit
US3251634A (en) * 1963-07-01 1966-05-17 Exxon Production Research Co Drill bit bearing lubricator
US3244459A (en) * 1963-07-01 1966-04-05 Exxon Production Research Co Pressure lubricated drill bit bearing
US3370895A (en) * 1965-09-28 1968-02-27 Dresser Ind Bearing seal for drilling bits
SE313222B (nl) * 1968-02-16 1969-08-04 Stenberg Flygt Ab
US3645591A (en) * 1969-05-08 1972-02-29 Subterranean Tools Inc Fixed shaft rotary seal assembly
US3707315A (en) * 1971-02-02 1972-12-26 Subterranean Tools Inc Rotary cutter for excavation, especially for use with raise boring and tunnel boring machines
US3752243A (en) * 1971-09-20 1973-08-14 Durametallic Corp Roller cutter assembly with improved bearing seal ring
US3907191A (en) * 1973-10-24 1975-09-23 Dresser Ind Method of constructing a rotary rock bit
US3921735A (en) * 1975-02-27 1975-11-25 Dresser Ind Rotary rock bit with cone mouth air screen
US4020910A (en) * 1976-05-19 1977-05-03 Rapidex, Inc. Sealing between relatively rotating members in boring apparatus

Also Published As

Publication number Publication date
DE2736711A1 (de) 1978-03-02
CA1069882A (en) 1980-01-15
SE7709034L (sv) 1978-02-24
US4172502A (en) 1979-10-30
SE434175B (sv) 1984-07-09
JPS5328501A (en) 1978-03-16
NL7609328A (nl) 1978-02-27
IT1080599B (it) 1985-05-16
JPS5952277B2 (ja) 1984-12-19
GB1584758A (en) 1981-02-18
FR2362991A1 (fr) 1978-03-24

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