IT8948619A0 - Scalpello di trivellazione con superficie resistente all'usura per guarnizioni di tenuta elastomere - Google Patents

Scalpello di trivellazione con superficie resistente all'usura per guarnizioni di tenuta elastomere

Info

Publication number
IT8948619A0
IT8948619A0 IT48619A IT4861989A IT8948619A0 IT 8948619 A0 IT8948619 A0 IT 8948619A0 IT 48619 A IT48619 A IT 48619A IT 4861989 A IT4861989 A IT 4861989A IT 8948619 A0 IT8948619 A0 IT 8948619A0
Authority
IT
Italy
Prior art keywords
elastomere
seals
wear
resistant surface
drilling chisel
Prior art date
Application number
IT48619A
Other languages
English (en)
Other versions
IT1237226B (it
Inventor
James W Langford Jr
Original Assignee
Dresser Ind
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 Dresser Ind filed Critical Dresser Ind
Publication of IT8948619A0 publication Critical patent/IT8948619A0/it
Application granted granted Critical
Publication of IT1237226B publication Critical patent/IT1237226B/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
    • F16J15/32—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
    • F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
    • F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
    • F16J15/3256—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
IT04861989A 1988-12-02 1989-11-30 Scalpello di trivellazione con superficie resistente all'usura per guarnizioni di tenuta elastomere. IT1237226B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/279,523 US4934467A (en) 1988-12-02 1988-12-02 Drill bit wear resistant surface for elastomeric seal

Publications (2)

Publication Number Publication Date
IT8948619A0 true IT8948619A0 (it) 1989-11-30
IT1237226B IT1237226B (it) 1993-05-27

Family

ID=23069360

Family Applications (1)

Application Number Title Priority Date Filing Date
IT04861989A IT1237226B (it) 1988-12-02 1989-11-30 Scalpello di trivellazione con superficie resistente all'usura per guarnizioni di tenuta elastomere.

Country Status (5)

Country Link
US (1) US4934467A (it)
CA (1) CA1333484C (it)
GB (2) GB2225602B (it)
IE (1) IE62218B1 (it)
IT (1) IT1237226B (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2009987A1 (en) * 1990-02-14 1991-08-14 Kenneth M. White Journal bearing type rock bit
US5148879A (en) * 1992-06-17 1992-09-22 Smith International, Inc. Spindle cap bearing for rotary cone rock bits
US5485890A (en) * 1994-06-14 1996-01-23 Smith International, Inc. Rock bit
US6264367B1 (en) 1995-12-19 2001-07-24 Smith International, Inc. Dual-seal drill bit with fluid cleaning capability
US6254275B1 (en) 1995-12-19 2001-07-03 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration and fluid-cleaning capability
US6033117A (en) * 1995-12-19 2000-03-07 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration
US5791421A (en) * 1996-08-06 1998-08-11 Baker Hughes Incorporated Optimal material pair for metal face seal in earth-boring bits
US6053264A (en) * 1997-05-15 2000-04-25 Sunrise Enterprises, Llc Cutter head mounting for drill bit
US7036613B2 (en) * 2003-09-12 2006-05-02 Reedhycalog, L.P. Lip seal for roller cone drill bit
US8016056B2 (en) * 2005-07-01 2011-09-13 Sandvik Intellectual Property Ab Asymmetric graded composites for improved drill bits
US7392862B2 (en) * 2006-01-06 2008-07-01 Baker Hughes Incorporated Seal insert ring for roller cone bits
CA2656056A1 (en) * 2006-07-07 2008-01-10 Rolf Dieter Hans-Jochen Buerger Storing system
US7871133B2 (en) 2006-08-11 2011-01-18 Schlumberger Technology Corporation Locking fixture
US7832809B2 (en) * 2006-08-11 2010-11-16 Schlumberger Technology Corporation Degradation assembly shield
US8033616B2 (en) 2006-08-11 2011-10-11 Schlumberger Technology Corporation Braze thickness control
US7387177B2 (en) * 2006-10-18 2008-06-17 Baker Hughes Incorporated Bearing insert sleeve for roller cone bit
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
US8701799B2 (en) 2009-04-29 2014-04-22 Schlumberger Technology Corporation Drill bit cutter pocket restitution
US9790608B2 (en) * 2013-09-05 2017-10-17 Baker Hughes Incorporated Methods of forming borided down hole tools
US9765441B2 (en) 2013-09-05 2017-09-19 Baker Hughes Incorporated Methods of forming borided down-hole tools
CN109458137B (zh) * 2018-12-21 2024-04-30 武汉亿斯达工具有限公司 智能钻压自适应金刚石pdc钻头

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3467448A (en) * 1965-11-24 1969-09-16 Hughes Tool Co Drill bit bearing seal assembly including resiliently mounted rigid ring
US3761145A (en) * 1972-03-06 1973-09-25 Murphy Ind Inc G Seal means for drill bit bearings
US3922038A (en) * 1973-08-10 1975-11-25 Hughes Tool Co Wear resistant boronized surfaces and boronizing methods
US4012238A (en) * 1973-08-10 1977-03-15 Hughes Tool Company Method of finishing a steel article having a boronized and carburized case
US4207658A (en) * 1973-09-10 1980-06-17 Dresser Industries, Inc. Journal and pilot bearings with alternating surface areas of wear resistant and anti-galling materials
US4188242A (en) * 1975-10-16 1980-02-12 Hughes Tool Company Combination carburizing and boronizing methods
US4102838A (en) * 1977-05-23 1978-07-25 Hughes Tool Company Composition and method for selective boronizing
DE2743825C2 (de) * 1977-09-29 1986-01-30 SKF GmbH, 8720 Schweinfurt Rollenmeißel
US4199156A (en) * 1978-04-28 1980-04-22 Smith International, Inc. Sealing ring for drilling tool cutters
CA1126305A (en) * 1979-05-11 1982-06-22 Toshio Kawamura Seal assembly for a linkage
US4248485A (en) * 1979-10-01 1981-02-03 Dresser Industries, Inc. Earth boring bit with textured bearing surface
US4253710A (en) * 1979-10-09 1981-03-03 Dresser Industries, Inc. High temperature sealing system for a rotary rock bit
JPS5670169A (en) * 1979-11-13 1981-06-11 Taiho Kogyo Co Ltd Mechanical seal
US4386969A (en) * 1980-03-27 1983-06-07 Harris Metals, Inc. Ferrous alloy and abrasion resistant articles thereof
US4368788A (en) * 1980-09-10 1983-01-18 Reed Rock Bit Company Metal cutting tools utilizing gradient composites
SE446646B (sv) * 1981-12-15 1986-09-29 Santrade Ltd Bergborrkrona och sett att tillverka denna
GB2155046B (en) * 1981-12-16 1986-04-16 Ae Plc Surface treatment of metal rings
KR890001030B1 (en) * 1981-12-16 1989-04-20 Ae Plc Nitro-carburizing treatment method and metal ring
US4552233A (en) * 1982-09-30 1985-11-12 Warren A. Sturm Rotary drill bit seal
US4753303A (en) * 1983-10-17 1988-06-28 Hughes Tool Company--USA Earth boring bit with two piece bearing and rigid face seal assembly
US4516641A (en) * 1983-10-17 1985-05-14 Hughes Tool Company-Usa Earth boring bit with pressure compensating rigid face seal
US4600064A (en) * 1985-02-25 1986-07-15 Hughes Tool Company Earth boring bit with bearing sleeve
US4655851A (en) * 1985-06-11 1987-04-07 Hughes Tool Company-Usa Simultaneous carburizing and boronizing of earth boring drill bits
US4618269A (en) * 1985-09-18 1986-10-21 Reed Tool Company Hardened bearing surface and method of forming same
US4753304A (en) * 1987-03-09 1988-06-28 Hughes Tool Company Volume and pressure balanced rigid face seal for rock bits
SE8801233L (sv) * 1988-04-05 1989-10-06 Sandvik Ab Rullborrkrona

Also Published As

Publication number Publication date
GB8922483D0 (en) 1989-11-22
GB9013383D0 (en) 1990-08-08
GB2225602B (en) 1992-09-16
IT1237226B (it) 1993-05-27
CA1333484C (en) 1994-12-13
GB2225602A (en) 1990-06-06
GB2232430B (en) 1992-09-16
GB2232430A (en) 1990-12-12
IE62218B1 (en) 1995-01-11
US4934467A (en) 1990-06-19

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971129