CA932318A - Rock bit assembly - Google Patents

Rock bit assembly

Info

Publication number
CA932318A
CA932318A CA065836A CA65836A CA932318A CA 932318 A CA932318 A CA 932318A CA 065836 A CA065836 A CA 065836A CA 65836 A CA65836 A CA 65836A CA 932318 A CA932318 A CA 932318A
Authority
CA
Canada
Prior art keywords
bit assembly
rock bit
rock
assembly
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
CA065836A
Other versions
CA65836S (en
Inventor
D. Coski William
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand 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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Application granted granted Critical
Publication of CA932318A publication Critical patent/CA932318A/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

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)
  • Earth Drilling (AREA)
CA065836A 1968-11-12 1969-10-24 Rock bit assembly Expired CA932318A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77493668A 1968-11-12 1968-11-12

Publications (1)

Publication Number Publication Date
CA932318A true CA932318A (en) 1973-08-21

Family

ID=25102757

Family Applications (1)

Application Number Title Priority Date Filing Date
CA065836A Expired CA932318A (en) 1968-11-12 1969-10-24 Rock bit assembly

Country Status (2)

Country Link
US (1) US3550972A (en)
CA (1) CA932318A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5016719A (en) * 1990-01-24 1991-05-21 Western Rock Bit Company Limited Rotary cone type rock bits

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3707315A (en) * 1971-02-02 1972-12-26 Subterranean Tools Inc Rotary cutter for excavation, especially for use with raise boring and tunnel boring machines
US3847235A (en) * 1973-10-10 1974-11-12 Kennametal Inc Rolling type excavating tool
NL179154C (en) * 1975-02-17 1986-07-16 Skf Ind Trading & Dev ROTARY DRILL CHUCK.
NL7507355A (en) * 1975-06-20 1976-12-22 Skf Ind Trading & Dev DRILL CHUCK.
US4136748A (en) * 1977-11-07 1979-01-30 The Timken Company Roller-type rock bit and bearing arrangement therefor
US5040624A (en) * 1990-08-13 1991-08-20 Schumacher Percy W Seal assembly for roller cutter drill bit having a pressure balanced lubrication system
US5080183A (en) * 1990-08-13 1992-01-14 Camco International Inc. Seal assembly for roller cutter drill bit having a pressure balanced lubrication system
US8464813B2 (en) 2006-06-20 2013-06-18 Atlas Copco Secoroc Llc Cutter assembly for a raise boring reamer
US7975782B2 (en) * 2006-08-18 2011-07-12 Atlas Copco Secoroc Llc Earth bit having a pressure relief valve
US20080041632A1 (en) * 2006-08-18 2008-02-21 Atlas Copco Secoroc Llc Earth bit having a retaining ring
US20080041635A1 (en) * 2006-08-18 2008-02-21 Atlas Copco Secoroc Llc Seal for an earth bit
US7992657B2 (en) 2006-08-18 2011-08-09 Atlas Copco Secoroc Llc Earth bit having a wear ring
US20080041633A1 (en) * 2006-08-18 2008-02-21 Atlas Copco Secoroc Llc Earth bit having a screen
US20090078343A1 (en) * 2007-09-24 2009-03-26 Atlas Copco Secoroc Llc Earthboring tool and method of casehardening
US7798254B2 (en) * 2008-01-03 2010-09-21 Atlas Copco Secoroc Llc Earth bit with hub and thrust units
US8763728B2 (en) * 2008-08-06 2014-07-01 Atlas Copco Secoroc, LLC Percussion assisted rotary earth bit and method of operating the same
US8353369B2 (en) 2008-08-06 2013-01-15 Atlas Copco Secoroc, LLC Percussion assisted rotary earth bit and method of operating the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5016719A (en) * 1990-01-24 1991-05-21 Western Rock Bit Company Limited Rotary cone type rock bits

Also Published As

Publication number Publication date
US3550972A (en) 1970-12-29

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