IT8552982V0 - Scalpello da roccia a cono rotante con cuscinetto ad attrito costituito da una lega spinoidale a base di rame - Google Patents

Scalpello da roccia a cono rotante con cuscinetto ad attrito costituito da una lega spinoidale a base di rame

Info

Publication number
IT8552982V0
IT8552982V0 IT8552982U IT5298285U IT8552982V0 IT 8552982 V0 IT8552982 V0 IT 8552982V0 IT 8552982 U IT8552982 U IT 8552982U IT 5298285 U IT5298285 U IT 5298285U IT 8552982 V0 IT8552982 V0 IT 8552982V0
Authority
IT
Italy
Prior art keywords
spinoidal
rocking
copper
based alloy
friction bearing
Prior art date
Application number
IT8552982U
Other languages
English (en)
Inventor
Nareshchandra J Kar
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 IT8552982V0 publication Critical patent/IT8552982V0/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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
    • F16C33/121—Use of special materials
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
    • F16C17/18—Sliding-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
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C21/00—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/10—Alloys based on copper
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2352/00—Apparatus for drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Sliding-Contact Bearings (AREA)
IT8552982U 1984-02-09 1985-02-11 Scalpello da roccia a cono rotante con cuscinetto ad attrito costituito da una lega spinoidale a base di rame IT8552982V0 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57839884A 1984-02-09 1984-02-09

Publications (1)

Publication Number Publication Date
IT8552982V0 true IT8552982V0 (it) 1985-02-11

Family

ID=24312705

Family Applications (2)

Application Number Title Priority Date Filing Date
IT8552982U IT8552982V0 (it) 1984-02-09 1985-02-11 Scalpello da roccia a cono rotante con cuscinetto ad attrito costituito da una lega spinoidale a base di rame
IT67134/85A IT1182429B (it) 1984-02-09 1985-02-11 Scalpello da roccia a cono rotante con cuscinetto ad attrito costituito da una lega spinodale a base di rame

Family Applications After (1)

Application Number Title Priority Date Filing Date
IT67134/85A IT1182429B (it) 1984-02-09 1985-02-11 Scalpello da roccia a cono rotante con cuscinetto ad attrito costituito da una lega spinodale a base di rame

Country Status (3)

Country Link
CA (1) CA1238309A (it)
GB (1) GB2153882B (it)
IT (2) IT8552982V0 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4121994C2 (de) * 1991-07-03 1995-06-08 Wieland Werke Ag Verfahren zur Herstellung einer Kupfer-Nickel-Zinn-Legierung sowie ihre Verwendung
US6461401B1 (en) * 1999-08-12 2002-10-08 Smith International, Inc. Composition for binder material particularly for drill bit bodies
CA2561903A1 (en) * 2004-04-05 2005-11-17 Swissmetal-Ums Usines Metallurgiques Suisses Sa Machinable copper-based alloy and production method
US9140302B2 (en) * 2013-06-13 2015-09-22 The Boeing Company Joint bearing lubricant system

Also Published As

Publication number Publication date
GB8502757D0 (en) 1985-03-06
IT8567134A1 (it) 1986-08-11
GB2153882B (en) 1987-06-24
IT8567134A0 (it) 1985-02-11
IT1182429B (it) 1987-10-05
GB2153882A (en) 1985-08-29
CA1238309A (en) 1988-06-21

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