[go: up one dir, main page]

IT1182101B - IMPROVEMENT IN BEARING SYSTEMS FOR ROCK DRILLS - Google Patents

IMPROVEMENT IN BEARING SYSTEMS FOR ROCK DRILLS

Info

Publication number
IT1182101B
IT1182101B IT48952/85A IT4895285A IT1182101B IT 1182101 B IT1182101 B IT 1182101B IT 48952/85 A IT48952/85 A IT 48952/85A IT 4895285 A IT4895285 A IT 4895285A IT 1182101 B IT1182101 B IT 1182101B
Authority
IT
Italy
Prior art keywords
improvement
bearing systems
rock drills
drills
rock
Prior art date
Application number
IT48952/85A
Other languages
Italian (it)
Other versions
IT8548952A0 (en
Inventor
David R Hall
Original Assignee
Megadiamond Ind Inc
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 Megadiamond Ind Inc filed Critical Megadiamond Ind Inc
Publication of IT8548952A0 publication Critical patent/IT8548952A0/en
Application granted granted Critical
Publication of IT1182101B publication Critical patent/IT1182101B/en

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
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/26—Brasses; Bushes; Linings made from wire coils; made from a number of discs, rings, rods, or other members
    • 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
    • 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
    • F16C33/043—Sliding surface consisting mainly of ceramics, cermets or hard carbon, e.g. diamond like carbon [DLC]
    • 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)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Earth Drilling (AREA)
  • Rolling Contact Bearings (AREA)
IT48952/85A 1984-12-21 1985-12-18 IMPROVEMENT IN BEARING SYSTEMS FOR ROCK DRILLS IT1182101B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68484984A 1984-12-21 1984-12-21

Publications (2)

Publication Number Publication Date
IT8548952A0 IT8548952A0 (en) 1985-12-18
IT1182101B true IT1182101B (en) 1987-09-30

Family

ID=24749840

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48952/85A IT1182101B (en) 1984-12-21 1985-12-18 IMPROVEMENT IN BEARING SYSTEMS FOR ROCK DRILLS

Country Status (6)

Country Link
CA (1) CA1254552A (en)
DE (1) DE3545438A1 (en)
FR (1) FR2583100B1 (en)
GB (1) GB2168737B (en)
IT (1) IT1182101B (en)
MX (1) MX162428A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4846290A (en) * 1986-03-13 1989-07-11 Smith International, Inc. Underreamer with revolving diamond cutter elements
EP0268592B1 (en) * 1986-05-19 1993-02-17 Smith International, Inc. Cooling networks for pcd bearing surfaces
DE3709836C1 (en) * 1987-03-25 1988-09-29 Eastman Christensen Co Plain bearings for deep drilling tools
US4756631A (en) * 1987-07-24 1988-07-12 Smith International, Inc. Diamond bearing for high-speed drag bits
US4955440A (en) * 1989-07-19 1990-09-11 Intevep, S.A. Rotary drill bits with plural sealing systems
NO176528C (en) * 1992-02-17 1995-04-19 Kverneland Klepp As Device at drill bit
US5352045A (en) * 1993-01-06 1994-10-04 The Integrated Bearing Co. Ltd. Means of mounting a revolving cutting element
US6068070A (en) * 1997-09-03 2000-05-30 Baker Hughes Incorporated Diamond enhanced bearing for earth-boring bit
US6209185B1 (en) 1993-04-16 2001-04-03 Baker Hughes Incorporated Earth-boring bit with improved rigid face seal
SE522352C2 (en) * 2000-02-16 2004-02-03 Sandvik Ab Elongated element for striking rock drilling and use of steel for this
EP4640989A1 (en) * 2022-12-22 2025-10-29 China Petroleum & Chemical Corporation Pdc-roller hybrid drill bit

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1710436A (en) * 1926-07-01 1929-04-23 J H Giesey Rotary drill
US1649858A (en) * 1927-02-18 1927-11-22 Clarence E Reed Deep-well-drilling apparatus
US1909078A (en) * 1930-07-17 1933-05-16 Hughes Tool Co Lubricator for earth boring drills
US2039551A (en) * 1934-10-29 1936-05-05 S R Bowen Company Rotary bit
US2038388A (en) * 1935-08-03 1936-04-21 Hughes Tool Co Mounting for drill cutters
US2151348A (en) * 1938-04-13 1939-03-21 Rudolph Pageman Rotary drill bit
FR1053319A (en) * 1952-04-02 1954-02-02 Materiel De Forage Soc De Fab Mounting device for knurled tools
DE1141962B (en) * 1961-09-28 1963-01-03 Karl Guenther Bechem Bearing for roller drill
US3397928A (en) * 1965-11-08 1968-08-20 Edward M. Galle Seal means for drill bit bearings
US3476195A (en) * 1968-11-15 1969-11-04 Hughes Tool Co Lubricant relief valve for rock bits
US4054426A (en) * 1972-12-20 1977-10-18 White Gerald W Thin film treated drilling bit cones
US4061376A (en) * 1976-06-14 1977-12-06 Smith International Inc. Rock bit bearing structure
SE7701680L (en) * 1977-02-16 1978-08-17 Skf Ab AXIAL BEARING FOR A ROLL IN A ROLL DRILL CROWN SW 77 004 SW
US4145094A (en) * 1977-11-09 1979-03-20 Smith International, Inc. Rotary rock bit and method of making same
US4266622A (en) * 1979-01-15 1981-05-12 Smith International, Inc. Rotary rock bit and method of making same
US4260203A (en) * 1979-09-10 1981-04-07 Smith International, Inc. Bearing structure for a rotary rock bit

Also Published As

Publication number Publication date
GB2168737A (en) 1986-06-25
IT8548952A0 (en) 1985-12-18
FR2583100A1 (en) 1986-12-12
GB2168737B (en) 1987-12-23
CA1254552A (en) 1989-05-23
GB8531433D0 (en) 1986-02-05
MX162428A (en) 1991-05-10
FR2583100B1 (en) 1993-10-08
DE3545438A1 (en) 1987-07-02

Similar Documents

Publication Publication Date Title
IT8648153A0 (en) IMPROVEMENT IN IONOSPHERE MOUNTING SYSTEMS
IT1182743B (en) IMPROVEMENT IN DRILLING METHODS
IT8424293A0 (en) IMPROVEMENT IN SELF-ADHESIVE TAPES.
DE3578782D1 (en) CARRIAGE CONVEYOR.
IT8748480A0 (en) CONVEYOR, PARTICULARLY FOR UNDERGROUND ROUTES IN MINE
IT1182741B (en) IMPROVEMENT IN TELECOMMUNICATIONS SYSTEMS VIA SATELLITE USING THE SS-TDNA TECHNIQUE
DE3578410D1 (en) FORMAT-INDEPENDENT MODULAR MACHINING ROAD FOR RAILWAYS AND THEIR SINGLE STATIONS.
IT1182101B (en) IMPROVEMENT IN BEARING SYSTEMS FOR ROCK DRILLS
IT1242701B (en) IMPROVEMENT IN PYROTECHNICAL TRAINS
IT1147826B (en) IMPROVEMENT IN GYROSCOPIC REFERENCE SYSTEMS
OA07992A (en) Seed drill in pockets.
IT8468220A1 (en) Improvements in systems that include at least one vertical lathe or the like and at least two accessory stations.
IT8547626A0 (en) IMPROVEMENT IN MISSILE
IT1218160B (en) IMPROVEMENT IN CANNON SYSTEMS
IT1203801B (en) IMPROVEMENT IN JOINT SYSTEMS FOR OFF-SHORE PLATFORMS
IT8748323A0 (en) IMPROVEMENT IN GUN SYSTEMS
IT8647962A0 (en) IMPROVEMENT IN MINE SYSTEMS
IT8619781A0 (en) BEARING RAIL FOR HANGING CONVEYOR.
NO871308L (en) MACHINE FOR DRILLING IN HARDT MOUNTAIN.
GB8523693D0 (en) Cross cutting running web
IT8748326A0 (en) IMPROVEMENT IN GUN SYSTEMS
FI850212A7 (en) Drilling truck for tailing and quarrying.
IT1177913B (en) IMPROVEMENT IN FORMWORK SYSTEMS
IT8748324A0 (en) IMPROVEMENT IN GUN SYSTEMS
IT1174544B (en) IMPROVEMENT IN TRANSPORT SYSTEMS

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19921216