GB1368340A - Earth boring bit - Google Patents

Earth boring bit

Info

Publication number
GB1368340A
GB1368340A GB2060372A GB2060372A GB1368340A GB 1368340 A GB1368340 A GB 1368340A GB 2060372 A GB2060372 A GB 2060372A GB 2060372 A GB2060372 A GB 2060372A GB 1368340 A GB1368340 A GB 1368340A
Authority
GB
United Kingdom
Prior art keywords
earth boring
boring bit
cutter
pin
bit
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB2060372A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dresser Industries Inc
Original Assignee
Dresser Industries 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 Dresser Industries Inc filed Critical Dresser Industries Inc
Publication of GB1368340A publication Critical patent/GB1368340A/en
Expired legal-status Critical Current

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
    • F16C21/00—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
    • 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
    • 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
    • E21B10/23—Roller bits characterised by bearing, lubrication or sealing details with drilling fluid supply to the 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)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)

Abstract

1368340 Boring earth &c DRESSER INDUSTRIES Inc- 3 May 1972 [21 May 1971] 20603/72 Heading E1F In a bit having a cutter 42 mounted on a two diameter pin 38, bearings 44, 46 and thrust elements 54, 48 are interposed between the pin and the cutter. The element 54 may be formed by part circular pieces and has wear resistant or anti-galling characteristics.
GB2060372A 1971-05-21 1972-05-03 Earth boring bit Expired GB1368340A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14565171A 1971-05-21 1971-05-21

Publications (1)

Publication Number Publication Date
GB1368340A true GB1368340A (en) 1974-09-25

Family

ID=22513997

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2060372A Expired GB1368340A (en) 1971-05-21 1972-05-03 Earth boring bit

Country Status (4)

Country Link
US (1) US3720274A (en)
AU (1) AU459366B2 (en)
CA (1) CA954504A (en)
GB (1) GB1368340A (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3950041A (en) * 1973-09-12 1976-04-13 Dresser Industries, Inc. Rock bit bearing system for carrying out thrust
US3995367A (en) * 1976-03-01 1976-12-07 Dresser Industries, Inc. Bearing separator and sealing system for rock bit
US4193463A (en) * 1977-04-27 1980-03-18 Smith International, Inc. Drilling bit fluid-cooled friction bearing
SE412088B (en) * 1977-06-03 1980-02-18 Sandvik Ab STORAGE DEVICE FOR ROTARY DRILL CHRONICLE
US4136748A (en) * 1977-11-07 1979-01-30 The Timken Company Roller-type rock bit and bearing arrangement therefor
US4235295A (en) * 1979-03-05 1980-11-25 Dresser Industries, Inc. Earth boring bit with renewable bearing surface
US4386663A (en) * 1981-02-25 1983-06-07 Hughes Tool Company Cooled journal bearing
US4410284A (en) * 1982-04-22 1983-10-18 Smith International, Inc. Composite floating element thrust bearing
US4413918A (en) * 1982-05-19 1983-11-08 Smith International, Inc. Thrust bearing for rock bits
US5148879A (en) * 1992-06-17 1992-09-22 Smith International, Inc. Spindle cap bearing for rotary cone rock bits
GB9415668D0 (en) * 1994-08-03 1994-09-21 Camco Int Improvements in or relating to rolling cutter drill bits
US6354740B1 (en) 1995-07-28 2002-03-12 Camco International Inc. Rolling cutter drill bits
US6416224B1 (en) 1995-07-28 2002-07-09 Schlumberger Technology Corporation Rolling cutter drill bits
US5642942A (en) * 1996-03-26 1997-07-01 Smith International, Inc. Thrust plugs for rotary cone air bits
US20040031625A1 (en) * 2002-08-19 2004-02-19 Lin Chih C. DLC coating for earth-boring bit bearings
AU2003902189A0 (en) * 2003-05-07 2003-05-22 Extreme Machining Australia Pty Ltd Seal for a roller assembly
US7552783B2 (en) * 2005-07-01 2009-06-30 Smith International, Inc. Graded hardfacing for drill bits
US8961019B2 (en) 2011-05-10 2015-02-24 Smith International, Inc. Flow control through thrust bearing assembly
US10024107B2 (en) * 2012-12-14 2018-07-17 Epiroc Drilling Tools Llc Rotary drill bit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2058624A (en) * 1933-09-07 1936-10-27 Chicago Pneumatic Tool Co Roller cutter drill
US2104819A (en) * 1935-03-09 1938-01-11 Hughes Tool Co Roller boring drill
US2065742A (en) * 1935-03-26 1936-12-29 Chicago Pneumatic Tool Co Roller cutter, spindle, and bearing assembly for earth boring drills
US2075999A (en) * 1935-08-02 1937-04-06 Chicago Pneumatic Tool Co Roller cutter and antifriction bearing assembly for earth boring drills
US2444724A (en) * 1944-09-19 1948-07-06 Chicago Pneumatic Tool Co Bearing for rock bits
US2513634A (en) * 1946-04-19 1950-07-04 Reed Roller Bit Co Cone bit bearing
US3480341A (en) * 1967-10-16 1969-11-25 Murphy Ind Inc G W Friction bearing
US3601456A (en) * 1970-03-23 1971-08-24 Myron D Becker Antiskew device for drill bit bearings
US3656764A (en) * 1970-08-31 1972-04-18 William P Robinson Drill bit seal assembly

Also Published As

Publication number Publication date
AU4179172A (en) 1973-12-20
US3720274A (en) 1973-03-13
AU459366B2 (en) 1975-03-27
CA954504A (en) 1974-09-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee