SE7609015L - Rullskersborrkrona - Google Patents

Rullskersborrkrona

Info

Publication number
SE7609015L
SE7609015L SE7609015A SE7609015A SE7609015L SE 7609015 L SE7609015 L SE 7609015L SE 7609015 A SE7609015 A SE 7609015A SE 7609015 A SE7609015 A SE 7609015A SE 7609015 L SE7609015 L SE 7609015L
Authority
SE
Sweden
Prior art keywords
rullskersborrkrona
Prior art date
Application number
SE7609015A
Other languages
English (en)
Swedish (sv)
Inventor
H W Murdoch
Original Assignee
Reed Tool Co
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
Priority claimed from US05/604,264 external-priority patent/US3990751A/en
Application filed by Reed Tool Co filed Critical Reed Tool Co
Publication of SE7609015L publication Critical patent/SE7609015L/xx

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
    • 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
    • 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
    • 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
    • F16C33/122—Multilayer structures of sleeves, washers or liners
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
SE7609015A 1975-08-13 1976-08-12 Rullskersborrkrona SE7609015L (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/604,264 US3990751A (en) 1975-08-13 1975-08-13 Drill bit
US05/695,505 US4074922A (en) 1975-08-13 1976-06-11 Drill bit

Publications (1)

Publication Number Publication Date
SE7609015L true SE7609015L (sv) 1977-02-14

Family

ID=27084622

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7609015A SE7609015L (sv) 1975-08-13 1976-08-12 Rullskersborrkrona

Country Status (16)

Country Link
JP (1) JPS5222501A (enrdf_load_stackoverflow)
AT (1) AT352052B (enrdf_load_stackoverflow)
AU (1) AU502035B2 (enrdf_load_stackoverflow)
BR (1) BR7605280A (enrdf_load_stackoverflow)
CA (1) CA1039266A (enrdf_load_stackoverflow)
CH (1) CH610982A5 (enrdf_load_stackoverflow)
DE (1) DE2636179A1 (enrdf_load_stackoverflow)
DK (1) DK363976A (enrdf_load_stackoverflow)
ES (1) ES450637A1 (enrdf_load_stackoverflow)
FR (1) FR2321034A1 (enrdf_load_stackoverflow)
GB (1) GB1521833A (enrdf_load_stackoverflow)
IT (1) IT1073442B (enrdf_load_stackoverflow)
MX (1) MX143147A (enrdf_load_stackoverflow)
NL (1) NL7608964A (enrdf_load_stackoverflow)
NO (1) NO762541L (enrdf_load_stackoverflow)
SE (1) SE7609015L (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4402617A (en) * 1981-05-12 1983-09-06 Dresser Industries, Inc. Thin wall sintered bushing for a rock bit
DE3207237C2 (de) * 1982-02-25 1984-06-07 Mannesmann AG, 4000 Düsseldorf Gewindeverbindung für Ölfeldrohre
GB2127071B (en) * 1982-09-22 1985-09-18 Reed Rock Bit Co Friction bearing assembly for a roller cutter drill bit
DE3429897C2 (de) * 1984-08-14 1991-07-18 Maho Werkzeugmaschinenbau Babel & Co, 8962 Pfronten Einstellbare Geradführung für insbesondere Werkzeugmaschinen
JPH0533453Y2 (enrdf_load_stackoverflow) * 1989-05-30 1993-08-25
US5016719A (en) * 1990-01-24 1991-05-21 Western Rock Bit Company Limited Rotary cone type rock bits
CA2009987A1 (en) * 1990-02-14 1991-08-14 Kenneth M. White Journal bearing type rock bit
AT18365U1 (de) * 2023-07-13 2024-12-15 Ceratizit Austria Gmbh Grundkörperverbund für ein Zerspanungswerkzeug

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2465329A (en) * 1944-05-20 1949-03-22 Indium Corp America Indium treated copper clad bearing and like articles and method of making the same
US3150901A (en) * 1961-11-17 1964-09-29 Gen Electric Bearing surfaces
US3235316A (en) * 1963-04-22 1966-02-15 Hughes Tool Co Journal bearing with alternating surface areas of wear resistant and antigalling materials
US3784264A (en) * 1971-03-02 1974-01-08 Dresser Ind Earth boring bit bearing system having a pitted bearing surface
US3721307A (en) * 1971-04-27 1973-03-20 Murphy Ind Inc Drill bit bearings
FR2182287A5 (enrdf_load_stackoverflow) * 1972-04-25 1973-12-07 Creusot Loire
US3984158A (en) * 1973-09-10 1976-10-05 Dresser Industries, Inc. Journal and pilot bearings with alternating surface areas of wear resistant and anti-galling materials
US3866987A (en) * 1974-01-14 1975-02-18 Smith International Drill bit with laminated friction bearing
FR2300931A1 (fr) * 1975-02-14 1976-09-10 Creusot Loire Palier lisse

Also Published As

Publication number Publication date
NL7608964A (nl) 1977-02-15
IT1073442B (it) 1985-04-17
DE2636179A1 (de) 1977-02-24
FR2321034B1 (enrdf_load_stackoverflow) 1982-10-29
NO762541L (enrdf_load_stackoverflow) 1977-02-15
MX143147A (es) 1981-03-25
CH610982A5 (en) 1979-05-15
CA1039266A (en) 1978-09-26
BR7605280A (pt) 1977-08-09
ES450637A1 (es) 1977-07-16
DK363976A (da) 1977-02-14
JPS5222501A (en) 1977-02-19
ATA601176A (de) 1979-02-15
AU1680476A (en) 1978-02-16
FR2321034A1 (fr) 1977-03-11
AU502035B2 (en) 1979-07-12
GB1521833A (en) 1978-08-16
AT352052B (de) 1979-08-27

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