JPS6128076B2 - - Google Patents

Info

Publication number
JPS6128076B2
JPS6128076B2 JP53131452A JP13145278A JPS6128076B2 JP S6128076 B2 JPS6128076 B2 JP S6128076B2 JP 53131452 A JP53131452 A JP 53131452A JP 13145278 A JP13145278 A JP 13145278A JP S6128076 B2 JPS6128076 B2 JP S6128076B2
Authority
JP
Japan
Prior art keywords
cutter
ring
groove
pin
wall
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
JP53131452A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5471702A (en
Inventor
Emu Gyaru Edowaado
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.)
Hughes Tool Co
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 JPS5471702A publication Critical patent/JPS5471702A/ja
Publication of JPS6128076B2 publication Critical patent/JPS6128076B2/ja
Granted legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/08Roller bits
    • E21B10/20Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/08Roller bits
    • E21B10/22Roller bits characterised by bearing, lubrication or sealing details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C43/00Assembling bearings
    • F16C43/02Assembling sliding-contact bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2352/00Apparatus 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)
JP13145278A 1977-10-28 1978-10-24 Cutter holding system of rock drill bite Granted JPS5471702A (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS5471702A JPS5471702A (en) 1979-06-08
JPS6128076B2 true JPS6128076B2 (enrdf_load_stackoverflow) 1986-06-28

Family

ID=25298509

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13145278A Granted JPS5471702A (en) 1977-10-28 1978-10-24 Cutter holding system of rock drill bite

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
BR7804960A (pt) 1979-05-29
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

Similar Documents

Publication Publication Date Title
US3656764A (en) Drill bit seal assembly
US4179003A (en) Seal for a rolling cone cutter earth boring bit
US4899838A (en) Earth boring bit with convergent cutter bearing
US4793719A (en) Precision roller bearing rock bits
US7798248B2 (en) Roller bearing seal companion ring having textured surface for holding lubricant and small particles
US5129471A (en) Earth boring bit with protected seal means
US4277109A (en) Axial compression positive rock bit seal
US4344658A (en) Earth boring drill bit with snap ring cutter retention
US5853245A (en) Rock bit cutter retainer with differentially pitched threads
CA2312151C (en) Rock bit cone retention system
US5655611A (en) Earth-boring bit with improved bearing seal
US4181377A (en) Rock bit having an improved cone retention system
US4491428A (en) Earth boring drill bit with snap ring cutter retention
US4236764A (en) Earth boring drill bit with snap ring cutter retention
US5307887A (en) Earth boring bit with improved thrust bearing
JPS6128077B2 (enrdf_load_stackoverflow)
JPS6128076B2 (enrdf_load_stackoverflow)
US20080245577A1 (en) System, method, and apparatus for contoured thrust surfaces between thrust washer and head for roller cone drill bit
US4161343A (en) Cone retainer for a rotary rock bit
US4511008A (en) Rotary cutter drill bit with permanent snap ring cutter retention
US7066287B2 (en) Mud debris diverter for earth-boring bit
EP2054582B1 (en) Stabilized seal for rock bits
US10494873B2 (en) Roller cone bit having gland for full seal capture
CA1093065A (en) Earth boring drill bit with snap ring cutter retention
EP0108029A2 (en) Rock bit cutter with truncated retainer ring