WO2002002902A3 - Improved rolling cutter lubrication arrangement - Google Patents

Improved rolling cutter lubrication arrangement Download PDF

Info

Publication number
WO2002002902A3
WO2002002902A3 PCT/US2001/041214 US0141214W WO0202902A3 WO 2002002902 A3 WO2002002902 A3 WO 2002002902A3 US 0141214 W US0141214 W US 0141214W WO 0202902 A3 WO0202902 A3 WO 0202902A3
Authority
WO
WIPO (PCT)
Prior art keywords
seal
rolling cutter
improved rolling
lubrication arrangement
annular portion
Prior art date
Application number
PCT/US2001/041214
Other languages
French (fr)
Other versions
WO2002002902A2 (en
WO2002002902B1 (en
Inventor
Llewellan Anderson
Thomas C Whitehouse
Original Assignee
Llewellan Anderson
Thomas C Whitehouse
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 Llewellan Anderson, Thomas C Whitehouse filed Critical Llewellan Anderson
Priority to CA002419610A priority Critical patent/CA2419610A1/en
Priority to AU2001273656A priority patent/AU2001273656A1/en
Publication of WO2002002902A2 publication Critical patent/WO2002002902A2/en
Publication of WO2002002902A3 publication Critical patent/WO2002002902A3/en
Publication of WO2002002902B1 publication Critical patent/WO2002002902B1/en

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
    • E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Sealing Of Bearings (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
  • Metal Rolling (AREA)

Abstract

A seal (80) constructed from a resilient material. The seal (80) has a first annular portion having a first end, a second end and an outer face. The seal (80) has a second annular portion and an outer face. The seal (80) has a distal portion extending from the second annular portion at an angle relative to the radius of the seal (80). The seal (80) has first (84) and second seal lips (82). The seal lips (82, 84) have a common point of convergence and diverge therefrom in respective directions forming an angle between.
PCT/US2001/041214 2000-06-30 2001-06-28 Improved rolling cutter lubrication arrangement WO2002002902A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA002419610A CA2419610A1 (en) 2000-06-30 2001-06-28 Improved rolling cutter lubrication arrangement
AU2001273656A AU2001273656A1 (en) 2000-06-30 2001-06-28 Improved rolling cutter lubrication arrangement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21535100P 2000-06-30 2000-06-30
US60/215,351 2000-06-30

Publications (3)

Publication Number Publication Date
WO2002002902A2 WO2002002902A2 (en) 2002-01-10
WO2002002902A3 true WO2002002902A3 (en) 2002-12-27
WO2002002902B1 WO2002002902B1 (en) 2003-02-20

Family

ID=22802638

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/041214 WO2002002902A2 (en) 2000-06-30 2001-06-28 Improved rolling cutter lubrication arrangement

Country Status (4)

Country Link
AU (1) AU2001273656A1 (en)
CA (1) CA2419610A1 (en)
WO (1) WO2002002902A2 (en)
ZA (1) ZA200300189B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115045673A (en) * 2022-06-29 2022-09-13 中铁工程装备集团隧道设备制造有限公司 Shaft type triple hob for normal pressure cutterhead

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985366A (en) * 1975-10-06 1976-10-12 Caterpillar Tractor Co. Duo-cone seal flexible mounting
US4695062A (en) * 1985-08-13 1987-09-22 Fag Kugelfischer Georg Schafer (Kgaa) Pressure relieving sealing rings for rotating elements
US5407213A (en) * 1991-09-12 1995-04-18 Nsk. Ltd. Pack seal having passive pulser ring
US5820506A (en) * 1995-02-03 1998-10-13 Zf Friedrichshafen Ag Wheel drive for tracked vehicles

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985366A (en) * 1975-10-06 1976-10-12 Caterpillar Tractor Co. Duo-cone seal flexible mounting
US4695062A (en) * 1985-08-13 1987-09-22 Fag Kugelfischer Georg Schafer (Kgaa) Pressure relieving sealing rings for rotating elements
US5407213A (en) * 1991-09-12 1995-04-18 Nsk. Ltd. Pack seal having passive pulser ring
US5820506A (en) * 1995-02-03 1998-10-13 Zf Friedrichshafen Ag Wheel drive for tracked vehicles

Also Published As

Publication number Publication date
WO2002002902A2 (en) 2002-01-10
CA2419610A1 (en) 2002-01-10
AU2001273656A1 (en) 2002-01-14
ZA200300189B (en) 2004-08-12
WO2002002902B1 (en) 2003-02-20

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