BR7804960A - Dispositivo aperfeicoado de retencao de elemento cortante em combinacao com um trepano perfuratriz - Google Patents

Dispositivo aperfeicoado de retencao de elemento cortante em combinacao com um trepano perfuratriz

Info

Publication number
BR7804960A
BR7804960A BR7804960A BR7804960A BR7804960A BR 7804960 A BR7804960 A BR 7804960A BR 7804960 A BR7804960 A BR 7804960A BR 7804960 A BR7804960 A BR 7804960A BR 7804960 A BR7804960 A BR 7804960A
Authority
BR
Brazil
Prior art keywords
tapan
drilling
combination
cutting element
element retention
Prior art date
Application number
BR7804960A
Other languages
English (en)
Portuguese (pt)
Inventor
E Galle
Original Assignee
Hughes 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
Application filed by Hughes Tool Co filed Critical Hughes Tool Co
Publication of BR7804960A publication Critical patent/BR7804960A/pt

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
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
    • 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
    • F16C43/00—Assembling bearings
    • F16C43/02—Assembling sliding-contact bearings
    • 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)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Sliding-Contact Bearings (AREA)
BR7804960A 1977-10-28 1978-08-02 Dispositivo aperfeicoado de retencao de elemento cortante em combinacao com um trepano perfuratriz BR7804960A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84664277A 1977-10-28 1977-10-28

Publications (1)

Publication Number Publication Date
BR7804960A true BR7804960A (pt) 1979-05-29

Family

ID=25298509

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7804960A BR7804960A (pt) 1977-10-28 1978-08-02 Dispositivo aperfeicoado de retencao de elemento cortante em combinacao com um trepano perfuratriz

Country Status (7)

Country Link
JP (1) JPS5471702A (enrdf_load_stackoverflow)
BR (1) BR7804960A (enrdf_load_stackoverflow)
CA (1) CA1096851A (enrdf_load_stackoverflow)
FR (1) FR2407333A1 (enrdf_load_stackoverflow)
GB (1) GB1599377A (enrdf_load_stackoverflow)
MX (1) MX148805A (enrdf_load_stackoverflow)
NL (1) NL7809267A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4577705A (en) * 1984-04-23 1986-03-25 Smith International, Inc. Bellows lubricant pressurizer for sealed bearing rock bits

Also Published As

Publication number Publication date
NL7809267A (nl) 1979-05-02
GB1599377A (en) 1981-09-30
CA1096851A (en) 1981-03-03
MX148805A (es) 1983-06-22
FR2407333A1 (fr) 1979-05-25
JPS5471702A (en) 1979-06-08
JPS6128076B2 (enrdf_load_stackoverflow) 1986-06-28

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