IT1182429B - Scalpello da roccia a cono rotante con cuscinetto ad attrito costituito da una lega spinodale a base di rame - Google Patents

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

Info

Publication number
IT1182429B
IT1182429B IT67134/85A IT6713485A IT1182429B IT 1182429 B IT1182429 B IT 1182429B IT 67134/85 A IT67134/85 A IT 67134/85A IT 6713485 A IT6713485 A IT 6713485A IT 1182429 B IT1182429 B IT 1182429B
Authority
IT
Italy
Prior art keywords
rocking
copper
friction bearing
cone rock
spinodal alloy
Prior art date
Application number
IT67134/85A
Other languages
English (en)
Other versions
IT8567134A0 (it
IT8567134A1 (it
Inventor
J Kar Nareshchandra
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 IT8567134A0 publication Critical patent/IT8567134A0/it
Publication of IT8567134A1 publication Critical patent/IT8567134A1/it
Application granted granted Critical
Publication of IT1182429B publication Critical patent/IT1182429B/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)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Sliding-Contact Bearings (AREA)
IT67134/85A 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 IT1182429B (it)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
IT8567134A0 IT8567134A0 (it) 1985-02-11
IT8567134A1 IT8567134A1 (it) 1986-08-11
IT1182429B true IT1182429B (it) 1987-10-05

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 Before (1)

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

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
JP2007531824A (ja) * 2004-04-05 2007-11-08 スイスメタル−ユエムエス・ユジン・メタルリュルジク・スイス・エスア 切削可能な鉛含有Ｃｕ−Ｎｉ−Ｓｎ合金及びその製造方法
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
CA1238309A (en) 1988-06-21
IT8567134A0 (it) 1985-02-11
IT8567134A1 (it) 1986-08-11
IT8552982V0 (it) 1985-02-11
GB2153882A (en) 1985-08-29
GB2153882B (en) 1987-06-24

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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: 19970226