IT1083576B - Struttura di sopporto della punta di trivella da roccia e procedimento per la sua fabbricazione - Google Patents

Struttura di sopporto della punta di trivella da roccia e procedimento per la sua fabbricazione

Info

Publication number
IT1083576B
IT1083576B IT68138/77A IT6813877A IT1083576B IT 1083576 B IT1083576 B IT 1083576B IT 68138/77 A IT68138/77 A IT 68138/77A IT 6813877 A IT6813877 A IT 6813877A IT 1083576 B IT1083576 B IT 1083576B
Authority
IT
Italy
Prior art keywords
shaft
bearing
groove
procedure
manufacture
Prior art date
Application number
IT68138/77A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1083576B publication Critical patent/IT1083576B/it

Links

Classifications

    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/64—Special methods of manufacture
    • 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
    • E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating 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
    • F16C2352/00—Apparatus for drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Earth Drilling (AREA)
IT68138/77A 1976-06-14 1977-05-18 Struttura di sopporto della punta di trivella da roccia e procedimento per la sua fabbricazione IT1083576B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69590676A 1976-06-14 1976-06-14

Publications (1)

Publication Number Publication Date
IT1083576B true IT1083576B (it) 1985-05-21

Family

ID=24794932

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68138/77A IT1083576B (it) 1976-06-14 1977-05-18 Struttura di sopporto della punta di trivella da roccia e procedimento per la sua fabbricazione

Country Status (4)

Country Link
US (1) US4061376A (it)
IT (1) IT1083576B (it)
MX (2) MX165092B (it)
ZA (1) ZA773155B (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4161223A (en) * 1978-03-13 1979-07-17 Smith International, Inc. Pressure relief valve for rock bits
NO791605L (no) * 1978-07-24 1980-01-25 Dresser Ind Borkrone.
US4220377A (en) * 1979-09-04 1980-09-02 Dresser Industries, Inc. Earth boring bit with eccentrically machined bearing pin
US4244430A (en) * 1979-09-13 1981-01-13 Dresser Industries, Inc. Earth boring bit packed lubrication system
US4279316A (en) * 1979-10-09 1981-07-21 Dresser Industries, Inc. Earth boring bit with eccentric seal boss
US4252383A (en) * 1980-05-23 1981-02-24 Dresser Industries, Inc. Earth boring bit with eccentrically formed bearing surface
US4330158A (en) * 1980-10-09 1982-05-18 Dresser Industries, Inc. Rotary rock bit with improved thrust flange
IT1182101B (it) * 1984-12-21 1987-09-30 Megadiamond Ind Inc Perfezionamento nei sistemi di cuscinetti per punte di trivelle da roccia
US4730681A (en) * 1986-08-29 1988-03-15 Rock Bit Industries U.S.A., Inc. Rock bit cone lock and method
US7128171B2 (en) * 2004-02-23 2006-10-31 Baker Hughes Incorporated Hydrodynamic pump passages for rolling cone drill bit
US8616664B2 (en) * 2009-05-19 2013-12-31 Tenn-Tex Plastics, Inc. Inset undermounted bracket for drawer and tray slides in cabinetry
US8746374B2 (en) 2011-01-28 2014-06-10 Varel International Ind., L.P. Method and apparatus for reducing lubricant pressure pulsation within a rotary cone rock bit
US8534389B2 (en) 2011-01-28 2013-09-17 Varel International, Ind., L.P. Method and apparatus for reducing lubricant pressure pulsation within a rotary cone rock bit
US20130133955A1 (en) * 2011-11-30 2013-05-30 Halliburton Energy Services, Inc. Drill bit with seal having spheres in a matrix seal material
WO2014015140A1 (en) 2012-07-18 2014-01-23 Milwaukee Electric Tool Corporation Power tool accessory
DE102018005972A1 (de) * 2018-07-20 2020-01-23 Hydac Technology Gmbh Schneidrolle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3746405A (en) * 1971-11-18 1973-07-17 Globe Oil Tools Co Well drilling bit lubrication and seal
US3765495A (en) * 1972-08-02 1973-10-16 G W Murphey Ind Inc Drill bit seals
US3866695A (en) * 1974-07-01 1975-02-18 Dresser Ind Bearing Cavity Pressure Maintenance Device For Sealed Bearing Rock Bit

Also Published As

Publication number Publication date
US4061376A (en) 1977-12-06
MX148799A (es) 1983-06-22
ZA773155B (en) 1978-04-26
MX165092B (es) 1992-10-21

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