SE8002882L - Bergborrkrona - Google Patents

Bergborrkrona

Info

Publication number
SE8002882L
SE8002882L SE8002882A SE8002882A SE8002882L SE 8002882 L SE8002882 L SE 8002882L SE 8002882 A SE8002882 A SE 8002882A SE 8002882 A SE8002882 A SE 8002882A SE 8002882 L SE8002882 L SE 8002882L
Authority
SE
Sweden
Prior art keywords
seal
drill bit
head
roller cutter
engages
Prior art date
Application number
SE8002882A
Other languages
English (en)
Inventor
R R Moren
Original Assignee
Sandvik Ab
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 Sandvik Ab filed Critical Sandvik Ab
Priority to SE8002882A priority Critical patent/SE8002882L/sv
Priority to EP81900623A priority patent/EP0049246B1/en
Priority to PCT/SE1981/000055 priority patent/WO1981003044A1/en
Priority to CA000373384A priority patent/CA1182443A/en
Priority to US06/247,216 priority patent/US4557609A/en
Priority to BR8102303A priority patent/BR8102303A/pt
Publication of SE8002882L publication Critical patent/SE8002882L/sv

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
    • 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
    • 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
    • F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/91—O-ring seal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/935—Seal made of a particular material
    • Y10S277/944—Elastomer or plastic
    • Y10S277/945—Containing fluorine
    • Y10S277/946—PTFE

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Earth Drilling (AREA)
  • Sealing Devices (AREA)
SE8002882A 1980-04-17 1980-04-17 Bergborrkrona SE8002882L (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE8002882A SE8002882L (sv) 1980-04-17 1980-04-17 Bergborrkrona
EP81900623A EP0049246B1 (en) 1980-04-17 1981-03-02 Rotary drill bit
PCT/SE1981/000055 WO1981003044A1 (en) 1980-04-17 1981-03-02 Rotary drill bit
CA000373384A CA1182443A (en) 1980-04-17 1981-03-19 Rotary drill bit
US06/247,216 US4557609A (en) 1980-04-17 1981-03-24 Rotary drill bit
BR8102303A BR8102303A (pt) 1980-04-17 1981-04-14 Broca rotativa

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8002882A SE8002882L (sv) 1980-04-17 1980-04-17 Bergborrkrona

Publications (1)

Publication Number Publication Date
SE8002882L true SE8002882L (sv) 1981-10-18

Family

ID=20340755

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8002882A SE8002882L (sv) 1980-04-17 1980-04-17 Bergborrkrona

Country Status (6)

Country Link
US (1) US4557609A (sv)
EP (1) EP0049246B1 (sv)
BR (1) BR8102303A (sv)
CA (1) CA1182443A (sv)
SE (1) SE8002882L (sv)
WO (1) WO1981003044A1 (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5362073A (en) * 1992-10-21 1994-11-08 Smith International, Inc. Composite seal for rotary cone rock bits
USRE36452E (en) * 1992-10-21 1999-12-21 Smith International, Inc. Composite seal for rotary cone rock bits
US5456327A (en) * 1994-03-08 1995-10-10 Smith International, Inc. O-ring seal for rock bit bearings
US5402858A (en) * 1994-03-11 1995-04-04 Smith International, Inc. O-ring seal for rock bit bearings
US5655611A (en) * 1995-08-04 1997-08-12 Baker Hughes Inc. Earth-boring bit with improved bearing seal
US6375194B1 (en) * 1996-08-23 2002-04-23 Mosel Vitelic, Inc. Method for semiconductor wafer processing system
US5842700A (en) * 1996-10-08 1998-12-01 Smith International, Inc. Composite rock bit seal
US6305483B1 (en) 1998-04-02 2001-10-23 Smith International, Inc. Multi-piece rotary cone drill bit seal
US8207070B2 (en) * 2000-11-22 2012-06-26 Techmer Pm, Llc Wettable polyolefin fibers and fabrics
CN103119345B (zh) * 2010-07-30 2016-04-20 罗斯控制阀公司 内部通气阀
DE102010045672B3 (de) * 2010-09-17 2012-03-01 Carl Freudenberg Kg Verfahren zur Herstellung einer Dichtung
US20140225328A1 (en) * 2013-02-08 2014-08-14 Baker Hughes Incorporated Enhanced Backup Ring Edge Features for Metal Face Seal in Roller Cone Drill Bits

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2717025A (en) * 1952-12-19 1955-09-06 Kellogg M W Co Gasket and method for forming same
US2868575A (en) * 1954-08-16 1959-01-13 Crane Packing Co Gasket and method of making same
US3097893A (en) * 1955-11-04 1963-07-16 Charles S White Sealing and bearing device having low friction sealing faces
US3322433A (en) * 1964-03-10 1967-05-30 Minnesota Rubber Co Sealing ring and method of making same
US3397928A (en) * 1965-11-08 1968-08-20 Edward M. Galle Seal means for drill bit bearings
US3467448A (en) * 1965-11-24 1969-09-16 Hughes Tool Co Drill bit bearing seal assembly including resiliently mounted rigid ring
US3604523A (en) * 1970-06-01 1971-09-14 Dresser Ind Silicon carbide seal for an earth boring bit
US3761145A (en) * 1972-03-06 1973-09-25 Murphy Ind Inc G Seal means for drill bit bearings
US3848880A (en) * 1972-06-09 1974-11-19 Tanner Eng Co Fluid seal
US3866987A (en) * 1974-01-14 1975-02-18 Smith International Drill bit with laminated friction bearing
US3918726A (en) * 1974-01-28 1975-11-11 Jack M Kramer Flexible seal ring
US4168868A (en) * 1978-07-17 1979-09-25 Dresser Industries, Inc. Sealing system for an earth boring cutter
US4167219A (en) * 1978-08-24 1979-09-11 Dresser Industries, Inc. Viscous pump rock bit lubrication system
US4200343A (en) * 1978-12-21 1980-04-29 Dresser Industries, Inc. Sealing system for a rotary rock bit
US4306727A (en) * 1980-07-24 1981-12-22 Reed Rock Bit Company Dynamic seal for rolling cutter drill bit

Also Published As

Publication number Publication date
WO1981003044A1 (en) 1981-10-29
BR8102303A (pt) 1981-12-08
EP0049246A1 (en) 1982-04-14
EP0049246B1 (en) 1985-06-05
CA1182443A (en) 1985-02-12
US4557609A (en) 1985-12-10

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