SE8002882L - Bergborrkrona - Google Patents
BergborrkronaInfo
- 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
Links
- 239000011435 rock Substances 0.000 title 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000002783 friction material Substances 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
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)
- 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)
- Earth Drilling (AREA)
- Sealing Devices (AREA)
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)
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)
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 |
-
1980
- 1980-04-17 SE SE8002882A patent/SE8002882L/sv not_active Application Discontinuation
-
1981
- 1981-03-02 WO PCT/SE1981/000055 patent/WO1981003044A1/en active IP Right Grant
- 1981-03-02 EP EP81900623A patent/EP0049246B1/en not_active Expired
- 1981-03-19 CA CA000373384A patent/CA1182443A/en not_active Expired
- 1981-03-24 US US06/247,216 patent/US4557609A/en not_active Expired - Fee Related
- 1981-04-14 BR BR8102303A patent/BR8102303A/pt unknown
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8002882-2 |