IT1144794B - Guarnizione di tenuta ad effetto rapido particolarmente per scalpelli da roccia - Google Patents

Guarnizione di tenuta ad effetto rapido particolarmente per scalpelli da roccia

Info

Publication number
IT1144794B
IT1144794B IT68318/81A IT6831881A IT1144794B IT 1144794 B IT1144794 B IT 1144794B IT 68318/81 A IT68318/81 A IT 68318/81A IT 6831881 A IT6831881 A IT 6831881A IT 1144794 B IT1144794 B IT 1144794B
Authority
IT
Italy
Prior art keywords
chisels
rock
seal gasket
quick effect
effect seal
Prior art date
Application number
IT68318/81A
Other languages
English (en)
Other versions
IT8168318A0 (it
Inventor
Erwin Siegfried Oelke
Original Assignee
Smith International
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 filed Critical Smith International
Publication of IT8168318A0 publication Critical patent/IT8168318A0/it
Application granted granted Critical
Publication of IT1144794B publication Critical patent/IT1144794B/it

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
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3436—Pressing means
    • F16J15/3456—Pressing means without external means for pressing the ring against the face, e.g. slip-ring with a resilient lip
    • 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
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3496—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member use of special materials

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)
  • Sealing Devices (AREA)
  • Gasket Seals (AREA)
IT68318/81A 1980-10-14 1981-10-13 Guarnizione di tenuta ad effetto rapido particolarmente per scalpelli da roccia IT1144794B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/196,990 US4344629A (en) 1980-10-14 1980-10-14 Self-lapping high speed seal with wear-in lip

Publications (2)

Publication Number Publication Date
IT8168318A0 IT8168318A0 (it) 1981-10-13
IT1144794B true IT1144794B (it) 1986-10-29

Family

ID=22727568

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68318/81A IT1144794B (it) 1980-10-14 1981-10-13 Guarnizione di tenuta ad effetto rapido particolarmente per scalpelli da roccia

Country Status (4)

Country Link
US (1) US4344629A (it)
CA (1) CA1164906A (it)
IT (1) IT1144794B (it)
MX (1) MX153834A (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111173454A (zh) * 2019-08-30 2020-05-19 沧州格锐特钻头有限公司 一种三刀翼复合齿与三牙轮齿的组合钻头

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4428588A (en) 1982-09-07 1984-01-31 Smith International, Inc. Radial belleville seal with encapsulated resilient core member
US4394020A (en) * 1982-10-18 1983-07-19 Smith International, Inc. High-speed seal
US4537409A (en) * 1984-03-22 1985-08-27 Rock Bit Industries U.S.A., Inc. Radial rock bit seal
US4568090A (en) * 1984-10-22 1986-02-04 Deere & Company Oil seal for lubricated tracks on a crawler tractor
US4623028A (en) * 1985-09-16 1986-11-18 Reed Tool Company Seal assembly for drill bits
JPH0742837B2 (ja) * 1986-06-13 1995-05-10 塚本精機株式会社 ドリルビツトのカツタ−用回転軸封装置
EP0335497B1 (en) * 1988-03-31 1993-04-14 Smith International, Inc. Metal-to-metal face seal for rock bits
US4824123A (en) * 1988-03-31 1989-04-25 Smith International, Inc. Mechanical face seal for rock bits
US4822057A (en) * 1988-03-31 1989-04-18 Smith International, Inc. Mechanical face seal for rock bits
USRE36452E (en) * 1992-10-21 1999-12-21 Smith International, Inc. Composite seal for rotary cone rock bits
US5362073A (en) * 1992-10-21 1994-11-08 Smith International, Inc. Composite seal for rotary cone rock bits
US6209185B1 (en) * 1993-04-16 2001-04-03 Baker Hughes Incorporated Earth-boring bit with improved rigid face seal
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
US5875861A (en) * 1996-07-24 1999-03-02 Camco International Inc. Different stiffness energizers for MF seals
FR2791390B1 (fr) * 1999-03-26 2001-06-29 Hutchinson Tete de forage presentant un trepan a cones
US6357540B1 (en) 1999-06-07 2002-03-19 Halliburton Energy Services, Inc. Rotary drill bit with lip seal in roller cone bit
US6413162B1 (en) * 2000-10-16 2002-07-02 Igt Gaming device having independent reel columns
US6427790B1 (en) 2001-11-08 2002-08-06 Schlumberger Technology Corporation Rock bit face seal having lubrication gap
US7188691B2 (en) * 2004-06-15 2007-03-13 Smith International, Inc. Metal seal with impact-absorbing ring
US7367739B2 (en) * 2004-08-02 2008-05-06 Clark Equipment Company Two component seal
US7857323B1 (en) 2006-02-24 2010-12-28 Ti Group Automotive Systems, L.L.C. Multi-piece seal
US20080179103A1 (en) * 2006-12-11 2008-07-31 Langford Jim W Magnetic earth bit seal
US7784637B2 (en) * 2007-02-21 2010-08-31 Ti Group Automotive Systems, L.L.C. Multi-piece seal
US7854434B2 (en) 2007-04-12 2010-12-21 Ti Group Automotive Systems, L.L.C. Ring seal with axially-opposed radially-offset seal beads
US7975870B2 (en) * 2007-08-29 2011-07-12 Ti Group Automotive Systems, L.L.C. Ring seal having sealing lobes
US20090107731A1 (en) * 2007-10-30 2009-04-30 George Fedorovich Drillbit seal
DE102007053631A1 (de) * 2007-11-08 2009-05-20 Schunk Kohlenstofftechnik Gmbh Gleitdichtung
EP2271816B1 (en) * 2008-04-02 2016-11-23 Baker Hughes Incorporated Earth boring bit with wear resistant bearing and seal
US8910815B2 (en) 2008-04-14 2014-12-16 Ti Group Automotive Systems, L.L.C. Cover for fuel system component and method of making
US20100071960A1 (en) * 2008-09-24 2010-03-25 Baker Hughes Incorporated System, Method and Apparatus for Composite Seal Gland Insert in Roller Cone Rock Bit
US8419021B2 (en) * 2008-10-31 2013-04-16 Ti Group Automotive Systems, L.L.C. Ring seal with insert
CN105545209B (zh) * 2016-01-08 2017-09-12 西南石油大学 一种牙轮钻头双排燕尾密封结构

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2599034A (en) * 1947-10-09 1952-06-03 Crane Packing Ltd Sealing means between rotating and nonrotating machine parts
US2881015A (en) * 1956-03-15 1959-04-07 Gits Bros Mfg Co Shaft seal means and method
US3022081A (en) * 1957-08-01 1962-02-20 Victor Mfg & Gasket Co Self-contained fluid seal
US3381968A (en) * 1965-08-17 1968-05-07 Smith Ind International Inc Bearing seal
US3489421A (en) * 1967-03-23 1970-01-13 Smith International Bearing seal
US3862762A (en) * 1973-02-26 1975-01-28 Parker Hannifin Corp Seal for drill bit bearings
US3944306A (en) * 1974-12-16 1976-03-16 Smith International, Inc. Rock bit bearing seal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111173454A (zh) * 2019-08-30 2020-05-19 沧州格锐特钻头有限公司 一种三刀翼复合齿与三牙轮齿的组合钻头

Also Published As

Publication number Publication date
US4344629A (en) 1982-08-17
IT8168318A0 (it) 1981-10-13
CA1164906A (en) 1984-04-03
MX153834A (es) 1987-01-19

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19941027