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AU485679B2 - Rock cutting assembly - Google Patents
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AU485679B2 - Rock cutting assembly - Google Patents

Rock cutting assembly

Info

Publication number
AU485679B2
AU485679B2 AU81461/75A AU8146175A AU485679B2 AU 485679 B2 AU485679 B2 AU 485679B2 AU 81461/75 A AU81461/75 A AU 81461/75A AU 8146175 A AU8146175 A AU 8146175A AU 485679 B2 AU485679 B2 AU 485679B2
Authority
AU
Australia
Prior art keywords
cutting assembly
rock cutting
rock
assembly
cutting
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
AU81461/75A
Other versions
AU8146175A (en
Inventor
H. Crane Clayton
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.)
Robbins Co
Original Assignee
Robbins 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 Robbins Co filed Critical Robbins Co
Priority to AU81461/75A priority Critical patent/AU485679B2/en
Application granted granted Critical
Publication of AU485679B2 publication Critical patent/AU485679B2/en
Publication of AU8146175A publication Critical patent/AU8146175A/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
    • E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by 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
    • E21B10/12—Roller bits with discs cutters
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
    • E21D9/104—Cutting tool fixtures

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
AU81461/75A 1975-05-23 1975-05-23 Rock cutting assembly Expired AU485679B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU81461/75A AU485679B2 (en) 1975-05-23 1975-05-23 Rock cutting assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU81461/75A AU485679B2 (en) 1975-05-23 1975-05-23 Rock cutting assembly

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU48395/72A Division AU463519B2 (en) 1971-11-01 1972-11-01 Disc type center cutter for a boring machine

Publications (2)

Publication Number Publication Date
AU485679B2 true AU485679B2 (en) 1976-11-25
AU8146175A AU8146175A (en) 1976-11-25

Family

ID=3760209

Family Applications (1)

Application Number Title Priority Date Filing Date
AU81461/75A Expired AU485679B2 (en) 1975-05-23 1975-05-23 Rock cutting assembly

Country Status (1)

Country Link
AU (1) AU485679B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009042189A3 (en) * 2007-09-25 2009-05-07 Caterpillar Inc Rotary cutter for tunnel boring machine

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987000902A1 (en) * 1985-08-06 1987-02-12 Neumann Equipment Pty. Ltd. Annular seal assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009042189A3 (en) * 2007-09-25 2009-05-07 Caterpillar Inc Rotary cutter for tunnel boring machine
US7997659B2 (en) 2007-09-25 2011-08-16 Caterpillar Inc. Rotary cutter for tunnel boring machine

Also Published As

Publication number Publication date
AU8146175A (en) 1976-11-25

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