GB1599378A - Earth boring drill bit with snap ring cutter retention - Google Patents

Earth boring drill bit with snap ring cutter retention Download PDF

Info

Publication number
GB1599378A
GB1599378A GB24709/78A GB2470978A GB1599378A GB 1599378 A GB1599378 A GB 1599378A GB 24709/78 A GB24709/78 A GB 24709/78A GB 2470978 A GB2470978 A GB 2470978A GB 1599378 A GB1599378 A GB 1599378A
Authority
GB
United Kingdom
Prior art keywords
ring
groove
cutter
thrust
bearing
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
GB24709/78A
Other languages
English (en)
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 GB1599378A publication Critical patent/GB1599378A/en
Expired legal-status Critical Current

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
    • E21B10/22—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
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
    • 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)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (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)
  • Sliding-Contact Bearings (AREA)
GB24709/78A 1977-10-28 1978-05-31 Earth boring drill bit with snap ring cutter retention Expired GB1599378A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84664377A 1977-10-28 1977-10-28

Publications (1)

Publication Number Publication Date
GB1599378A true GB1599378A (en) 1981-09-30

Family

ID=25298514

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24709/78A Expired GB1599378A (en) 1977-10-28 1978-05-31 Earth boring drill bit with snap ring cutter retention

Country Status (7)

Country Link
JP (1) JPS5471703A (enrdf_load_stackoverflow)
BR (1) BR7804925A (enrdf_load_stackoverflow)
CA (1) CA1092092A (enrdf_load_stackoverflow)
FR (1) FR2407332A1 (enrdf_load_stackoverflow)
GB (1) GB1599378A (enrdf_load_stackoverflow)
MX (1) MX148614A (enrdf_load_stackoverflow)
NL (1) NL7809269A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2243384A (en) * 1990-04-27 1991-10-30 Vetco Gray Inc Elastomeric lockdown and shearout device
CN103939023A (zh) * 2014-04-30 2014-07-23 天津立林钻头有限公司 牙轮钻头、安装牙轮钻头挡圈的工装及挡圈的安装方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3837625C1 (enrdf_load_stackoverflow) * 1988-11-05 1989-11-02 Man Roland Druckmaschinen Ag, 6050 Offenbach, De

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2243384A (en) * 1990-04-27 1991-10-30 Vetco Gray Inc Elastomeric lockdown and shearout device
GB2243384B (en) * 1990-04-27 1994-04-20 Vetco Gray Inc Elastomeric lockdown and shearout device
CN103939023A (zh) * 2014-04-30 2014-07-23 天津立林钻头有限公司 牙轮钻头、安装牙轮钻头挡圈的工装及挡圈的安装方法

Also Published As

Publication number Publication date
JPS5471703A (en) 1979-06-08
BR7804925A (pt) 1979-05-29
NL7809269A (nl) 1979-05-02
JPS6128077B2 (enrdf_load_stackoverflow) 1986-06-28
MX148614A (es) 1983-05-18
FR2407332A1 (fr) 1979-05-25
CA1092092A (en) 1980-12-23

Similar Documents

Publication Publication Date Title
US4200343A (en) Sealing system for a rotary rock bit
EP0317089B1 (en) Precision roller bearing for rock bits
US4344658A (en) Earth boring drill bit with snap ring cutter retention
US4253710A (en) High temperature sealing system for a rotary rock bit
US4923020A (en) Rock bit with rigid face seals and recessed energizers
US4194795A (en) Seal protector for a sealed bearing rock bit
US4168868A (en) Sealing system for an earth boring cutter
US5129471A (en) Earth boring bit with protected seal means
US4491428A (en) Earth boring drill bit with snap ring cutter retention
US4277109A (en) Axial compression positive rock bit seal
US3361494A (en) Journal bearing
US4236764A (en) Earth boring drill bit with snap ring cutter retention
US4209890A (en) Method of making a rotary rock bit with seal recess washer
US5655611A (en) Earth-boring bit with improved bearing seal
US4161343A (en) Cone retainer for a rotary rock bit
US4098150A (en) Cone locking system for a rotary rock bit
US4181377A (en) Rock bit having an improved cone retention system
GB1599378A (en) Earth boring drill bit with snap ring cutter retention
US4279450A (en) Rotary rock bit fluid center seal
CA1132974A (en) Earth boring bit with eccentric seal boss
CA1096851A (en) Earth boring drill bit with snap ring cutter retention
CA1093065A (en) Earth boring drill bit with snap ring cutter retention
CA1051864A (en) Bearing retaining pin for earth boring drill
US3963282A (en) Cantilevered roller separator for rock bit bearings
CA1050006A (en) Bearing separator and sealing system for rock bit

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920531