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ZA978968B - Rock drill bit and a part therefor. - Google Patents

Rock drill bit and a part therefor.

Info

Publication number
ZA978968B
ZA978968B ZA9708968A ZA978968A ZA978968B ZA 978968 B ZA978968 B ZA 978968B ZA 9708968 A ZA9708968 A ZA 9708968A ZA 978968 A ZA978968 A ZA 978968A ZA 978968 B ZA978968 B ZA 978968B
Authority
ZA
South Africa
Prior art keywords
drill bit
rock drill
part therefor
therefor
rock
Prior art date
Application number
ZA9708968A
Other languages
English (en)
Inventor
Stig-Ake Brolund
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
Publication of ZA978968B publication Critical patent/ZA978968B/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
ZA9708968A 1996-10-08 1997-10-07 Rock drill bit and a part therefor. ZA978968B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9603663A SE508468C2 (sv) 1996-10-08 1996-10-08 Bergborrkrona för roterande, krossande bearbetning av berg samt tätningsorgan till dylik bergborrkrona

Publications (1)

Publication Number Publication Date
ZA978968B true ZA978968B (en) 1998-04-20

Family

ID=20404161

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9708968A ZA978968B (en) 1996-10-08 1997-10-07 Rock drill bit and a part therefor.

Country Status (5)

Country Link
US (1) US5944126A (xx)
AU (1) AU4580097A (xx)
SE (1) SE508468C2 (xx)
WO (1) WO1998015709A1 (xx)
ZA (1) ZA978968B (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020034819A1 (en) * 1998-02-23 2002-03-21 Alan K. Smith Human lineage committed cell composition with enhanced proliferative potential, biological effector function, or both; methods for obtaining same; and their uses
US7036613B2 (en) 2003-09-12 2006-05-02 Reedhycalog, L.P. Lip seal for roller cone drill bit
US7188691B2 (en) * 2004-06-15 2007-03-13 Smith International, Inc. Metal seal with impact-absorbing ring
US8020638B2 (en) 2006-10-30 2011-09-20 Smith International, Inc. Seal with dynamic sealing surface at the outside diameter
US8353369B2 (en) 2008-08-06 2013-01-15 Atlas Copco Secoroc, LLC Percussion assisted rotary earth bit and method of operating the same
US20100102513A1 (en) * 2008-10-23 2010-04-29 Atlas Copco Secoroc Llc Seal assembly for a rotary earth bit
CN101956528B (zh) * 2010-10-14 2014-12-10 天津立林钻头有限公司 高转速耐高压耐冲击弹性滚动轴承牙轮钻头
EP2781684A1 (en) * 2013-03-20 2014-09-24 Sandvik Intellectual Property AB Roller cutter with improved sealing

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3489421A (en) * 1967-03-23 1970-01-13 Smith International Bearing seal
US3663073A (en) * 1970-04-16 1972-05-16 Varel Mfg Co Sealed bearing earth boring bit
US3680873A (en) * 1970-07-06 1972-08-01 Smith International Axially and rotationally locked bearing seal
US4306727A (en) * 1980-07-24 1981-12-22 Reed Rock Bit Company Dynamic seal for rolling cutter drill bit
US4560175A (en) * 1984-07-05 1985-12-24 Smith International, Inc. Hermetically welded belleville seal for rocks bits
US4722404A (en) * 1987-01-28 1988-02-02 Varel Manufacturing Company Drill bit bearing seal
US5295549A (en) * 1992-12-14 1994-03-22 Baker Hughes Incorporated Mechanical lock to prevent seal ring rotation

Also Published As

Publication number Publication date
SE9603663L (sv) 1998-04-09
WO1998015709A1 (en) 1998-04-16
US5944126A (en) 1999-08-31
SE508468C2 (sv) 1998-10-12
AU4580097A (en) 1998-05-05
SE9603663D0 (sv) 1996-10-08

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