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FR2300931A1 - Palier lisse - Google Patents

Palier lisse

Info

Publication number
FR2300931A1
FR2300931A1 FR7504608A FR7504608A FR2300931A1 FR 2300931 A1 FR2300931 A1 FR 2300931A1 FR 7504608 A FR7504608 A FR 7504608A FR 7504608 A FR7504608 A FR 7504608A FR 2300931 A1 FR2300931 A1 FR 2300931A1
Authority
FR
France
Prior art keywords
bearing surface
hard
antiseizure
rotary drilling
external
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7504608A
Other languages
English (en)
Other versions
FR2300931B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Creusot Loire SA
Original Assignee
Creusot Loire SA
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 Creusot Loire SA filed Critical Creusot Loire SA
Priority to FR7504608A priority Critical patent/FR2300931A1/fr
Publication of FR2300931A1 publication Critical patent/FR2300931A1/fr
Application granted granted Critical
Publication of FR2300931B1 publication Critical patent/FR2300931B1/fr
Granted legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02Parts of sliding-contact bearings
    • F16C33/04Brasses; Bushes; Linings
    • F16C33/24Brasses; Bushes; Linings with different areas of the sliding surface consisting of different materials
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/08Roller bits
    • E21B10/22Roller bits characterised by bearing, lubrication or sealing details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00Sliding-contact bearings for exclusively rotary movement
    • F16C17/12Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
    • F16C17/18Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with floating brasses or brushing, rotatable at a reduced speed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2352/00Apparatus for drilling

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)
  • Earth Drilling (AREA)
  • Sliding-Contact Bearings (AREA)
FR7504608A 1975-02-14 1975-02-14 Palier lisse Granted FR2300931A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7504608A FR2300931A1 (fr) 1975-02-14 1975-02-14 Palier lisse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7504608A FR2300931A1 (fr) 1975-02-14 1975-02-14 Palier lisse

Publications (2)

Publication Number Publication Date
FR2300931A1 true FR2300931A1 (fr) 1976-09-10
FR2300931B1 FR2300931B1 (fr) 1978-06-23

Family

ID=9151225

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7504608A Granted FR2300931A1 (fr) 1975-02-14 1975-02-14 Palier lisse

Country Status (1)

Country Link
FR (1) FR2300931A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2321034A1 (fr) * 1975-08-13 1977-03-11 Reed Tool Co Trepan a molettes
US4330158A (en) * 1980-10-09 1982-05-18 Dresser Industries, Inc. Rotary rock bit with improved thrust flange
US4486104A (en) * 1981-12-28 1984-12-04 Smith International, Inc. Composite bearing
US4499642A (en) * 1981-12-28 1985-02-19 Smith International, Inc. Composite bearing
FR2553169A1 (fr) * 1983-10-05 1985-04-12 Chausson Usines Sa Dispositif pour la lubrification de mecanisme a engrenages du genre differentiel et analogue
EP0275080A2 (fr) * 1987-01-12 1988-07-20 Matsushita Electric Industrial Co., Ltd. Palier à lubrifiant solide
US6033117A (en) * 1995-12-19 2000-03-07 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration
US6254275B1 (en) * 1995-12-19 2001-07-03 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration and fluid-cleaning capability
US7992657B2 (en) 2006-08-18 2011-08-09 Atlas Copco Secoroc Llc Earth bit having a wear ring

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1498578A (en) * 1922-08-09 1924-06-24 Romano Vittorio Nicola Composite thrust bearing
FR1466378A (fr) * 1963-04-22 1967-01-20 Hughes Tool Co Système de palier, notamment pour outils pour le forage du sol
US3476446A (en) * 1967-06-08 1969-11-04 Smith International Rock bit and bearing
FR2052911A1 (fr) * 1969-06-25 1971-04-16 Roulements Soc Nouvelle
US3678883A (en) * 1970-03-25 1972-07-25 Smith International Worn bearing indicator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1498578A (en) * 1922-08-09 1924-06-24 Romano Vittorio Nicola Composite thrust bearing
FR1466378A (fr) * 1963-04-22 1967-01-20 Hughes Tool Co Système de palier, notamment pour outils pour le forage du sol
US3476446A (en) * 1967-06-08 1969-11-04 Smith International Rock bit and bearing
FR2052911A1 (fr) * 1969-06-25 1971-04-16 Roulements Soc Nouvelle
US3678883A (en) * 1970-03-25 1972-07-25 Smith International Worn bearing indicator

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2321034A1 (fr) * 1975-08-13 1977-03-11 Reed Tool Co Trepan a molettes
US4330158A (en) * 1980-10-09 1982-05-18 Dresser Industries, Inc. Rotary rock bit with improved thrust flange
US4486104A (en) * 1981-12-28 1984-12-04 Smith International, Inc. Composite bearing
US4499642A (en) * 1981-12-28 1985-02-19 Smith International, Inc. Composite bearing
FR2553169A1 (fr) * 1983-10-05 1985-04-12 Chausson Usines Sa Dispositif pour la lubrification de mecanisme a engrenages du genre differentiel et analogue
EP0275080A2 (fr) * 1987-01-12 1988-07-20 Matsushita Electric Industrial Co., Ltd. Palier à lubrifiant solide
EP0275080A3 (en) * 1987-01-12 1989-05-31 Matsushita Electric Industrial Co., Ltd. Solid lubricant bearing
US6033117A (en) * 1995-12-19 2000-03-07 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration
US6254275B1 (en) * 1995-12-19 2001-07-03 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration and fluid-cleaning capability
US7992657B2 (en) 2006-08-18 2011-08-09 Atlas Copco Secoroc Llc Earth bit having a wear ring

Also Published As

Publication number Publication date
FR2300931B1 (fr) 1978-06-23

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse