DE3875074D1 - Gesteinsmeissel mit praezisions-rollenlager. - Google Patents

Gesteinsmeissel mit praezisions-rollenlager.

Info

Publication number
DE3875074D1
DE3875074D1 DE8888309934T DE3875074T DE3875074D1 DE 3875074 D1 DE3875074 D1 DE 3875074D1 DE 8888309934 T DE8888309934 T DE 8888309934T DE 3875074 T DE3875074 T DE 3875074T DE 3875074 D1 DE3875074 D1 DE 3875074D1
Authority
DE
Germany
Prior art keywords
roller bearing
precision roller
chisel
stone
stone chisel
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 - Fee Related
Application number
DE8888309934T
Other languages
English (en)
Other versions
DE3875074T2 (de
Inventor
David Preston Crockett
Michael E Hooper
Gerrard Paul Erpenbeck
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
Application filed by Smith International Inc filed Critical Smith International Inc
Publication of DE3875074D1 publication Critical patent/DE3875074D1/de
Application granted granted Critical
Publication of DE3875074T2 publication Critical patent/DE3875074T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Rolling Contact Bearings (AREA)
  • Earth Drilling (AREA)
DE8888309934T 1987-11-18 1988-10-21 Gesteinsmeissel mit praezisions-rollenlager. Expired - Fee Related DE3875074T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/122,156 US4793719A (en) 1987-11-18 1987-11-18 Precision roller bearing rock bits

Publications (2)

Publication Number Publication Date
DE3875074D1 true DE3875074D1 (de) 1992-11-05
DE3875074T2 DE3875074T2 (de) 1993-02-25

Family

ID=22401035

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888309934T Expired - Fee Related DE3875074T2 (de) 1987-11-18 1988-10-21 Gesteinsmeissel mit praezisions-rollenlager.

Country Status (4)

Country Link
US (1) US4793719A (de)
EP (1) EP0317089B1 (de)
DE (1) DE3875074T2 (de)
NO (1) NO885102L (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8801233L (sv) * 1988-04-05 1989-10-06 Sandvik Ab Rullborrkrona
US5161898A (en) * 1991-07-05 1992-11-10 Camco International Inc. Aluminide coated bearing elements for roller cutter drill bits
US6033117A (en) * 1995-12-19 2000-03-07 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration
US6254275B1 (en) 1995-12-19 2001-07-03 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration and fluid-cleaning capability
US6264367B1 (en) 1995-12-19 2001-07-24 Smith International, Inc. Dual-seal drill bit with fluid cleaning capability
US6619412B2 (en) 1996-09-09 2003-09-16 Smith International, Inc. Protected lubricant reservoir for sealed earth boring drill bit
US6116357A (en) * 1996-09-09 2000-09-12 Smith International, Inc. Rock drill bit with back-reaming protection
CA2240023C (en) * 1997-07-01 2007-02-13 Smith International, Inc. Protected lubricant reservoir for sealed bearing earth boring drill bit
ZA99430B (en) 1998-01-23 1999-07-21 Smith International Hardfacing rock bit cones for erosion protection.
US6386302B1 (en) * 1999-09-09 2002-05-14 Smith International, Inc. Polycrystaline diamond compact insert reaming tool
FI123802B (fi) * 2004-09-03 2013-10-31 Sandvik Mining & Constr Oy Rikotuslaite ja menetelmä rikotuslaitteen työkalun voitelemiseksi
DE602005022278D1 (de) * 2005-04-27 2010-08-26 Caterpillar Inc Schmierungsvorrichtung für hydraulisches oder pneumatisches Werkzeug
US20080011519A1 (en) * 2006-07-17 2008-01-17 Baker Hughes Incorporated Cemented tungsten carbide rock bit cone
WO2009114599A2 (en) * 2008-03-11 2009-09-17 Baker Hughes Incorporated Non-grease type bearing lubricant
US20090308662A1 (en) * 2008-06-11 2009-12-17 Lyons Nicholas J Method of selectively adapting material properties across a rock bit cone
EP2605888A1 (de) 2010-08-19 2013-06-26 Caterpillar INC. Schmiersystem für ein brechwerkzeug
US9010493B2 (en) 2012-03-13 2015-04-21 Caterpillar Inc. Lubrication arrangement
CN102828693B (zh) * 2012-09-25 2015-03-04 西南石油大学 一种滚滑浮动套轴承的牙轮钻头
US9217341B2 (en) 2013-08-15 2015-12-22 Caterpillar Inc. Lubrication system for tool
CN105089508A (zh) * 2014-05-05 2015-11-25 成都百施特金刚石钻头有限公司 一种旋转钻井钻头及制造方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2030442A (en) * 1933-10-28 1936-02-11 Hughes Tool Co Roller bearing bit
US2644671A (en) * 1947-03-04 1953-07-07 Martell D Ingram Rock drilling bit
US2983560A (en) * 1953-03-04 1961-05-09 Roulements A Aiguilles Soc Sa Antifriction bearing
US3193028A (en) * 1962-09-26 1965-07-06 Exxon Production Research Co Rotary drill bit
US3178241A (en) * 1963-03-18 1965-04-13 Space Technology And Res Corp Lubricationless high-temperature bearing
US3797900A (en) * 1972-08-16 1974-03-19 Chrysler Corp Bearing assembly
US3923348A (en) * 1974-03-13 1975-12-02 Reed Tool Co Friction bearing
US3990525A (en) * 1975-02-27 1976-11-09 Dresser Industries, Inc. Sealing system for a rotary rock bit
US4136748A (en) * 1977-11-07 1979-01-30 The Timken Company Roller-type rock bit and bearing arrangement therefor
DE2755591C2 (de) * 1977-12-14 1985-11-07 SKF GmbH, 8720 Schweinfurt Rollenmeißel mit kegelig ausgebildeten Schneidrollen
DE2823698C2 (de) * 1978-05-31 1981-09-17 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt Rollenmeißel mit einem Einfülloch für Lagerrollen
DE7828401U1 (de) * 1978-09-23 1979-01-04 Sandvik Gmbh, 4000 Duesseldorf Rollenmeissel mit mehreren schneidrollen
US4263976A (en) * 1979-05-29 1981-04-28 Sandvik Ab, Fack & Aktiebolaget Skf Rotary drill bit with rotary cutters
DE8007104U1 (de) * 1980-03-15 1980-06-12 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt Rollenmeissel mit kegeligen schneidrollen
US4359113A (en) * 1980-09-08 1982-11-16 Hughes Tool Company Earth boring bit with extended gage
US4386668A (en) * 1980-09-19 1983-06-07 Hughes Tool Company Sealed lubricated and air cooled rock bit bearing
US4428687A (en) * 1981-05-11 1984-01-31 Hughes Tool Company Floating seal for earth boring bit

Also Published As

Publication number Publication date
EP0317089B1 (de) 1992-09-30
US4793719A (en) 1988-12-27
NO885102D0 (no) 1988-11-16
NO885102L (no) 1989-05-19
EP0317089A3 (en) 1990-01-31
EP0317089A2 (de) 1989-05-24
DE3875074T2 (de) 1993-02-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee