CA946429A - Rotary cutters - Google Patents

Rotary cutters

Info

Publication number
CA946429A
CA946429A CA130,668A CA130668A CA946429A CA 946429 A CA946429 A CA 946429A CA 130668 A CA130668 A CA 130668A CA 946429 A CA946429 A CA 946429A
Authority
CA
Canada
Prior art keywords
rotary cutters
cutters
rotary
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
CA130,668A
Other versions
CA130668S (en
Inventor
Pieter L. Venter
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.)
MCDONNELL (PADDY) Pty Ltd
Original Assignee
MCDONNELL (PADDY) Pty Ltd
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 MCDONNELL (PADDY) Pty Ltd filed Critical MCDONNELL (PADDY) Pty Ltd
Application granted granted Critical
Publication of CA946429A publication Critical patent/CA946429A/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
    • E21B10/10—Roller bits with roller axle supported at both ends

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)
CA130,668A 1971-06-28 1971-12-21 Rotary cutters Expired CA946429A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA714204A ZA714204B (en) 1971-06-28 1971-06-28 Improvements in or relating to rotary cutters

Publications (1)

Publication Number Publication Date
CA946429A true CA946429A (en) 1974-04-30

Family

ID=25563571

Family Applications (1)

Application Number Title Priority Date Filing Date
CA130,668A Expired CA946429A (en) 1971-06-28 1971-12-21 Rotary cutters

Country Status (5)

Country Link
US (1) US3750772A (en)
AU (1) AU441543B2 (en)
CA (1) CA946429A (en)
ZA (1) ZA714204B (en)
ZM (1) ZM19171A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921734A (en) * 1972-10-17 1975-11-25 Kennametal Inc Raise boring head and rolling cutter arrangement therefor
US3851718A (en) * 1972-11-09 1974-12-03 Jarva Inc Roller cutter
US3835944A (en) * 1973-06-12 1974-09-17 Hard Metals Ltd Cutting unit for use on rock boring machines
US4036313A (en) * 1975-07-03 1977-07-19 Smith International, Inc. Mounting for inboard cutters on a raise drill
US4036314A (en) * 1976-06-28 1977-07-19 Smith International, Inc. Hole opener with improved rotary cutter mounting
US4126195A (en) * 1977-02-17 1978-11-21 Smith International, Inc. Replaceable wear pad for a rock bit cutter yoke
US4089382A (en) * 1977-04-04 1978-05-16 Hughes Tool Company Cutter mounting for a large hole earth boring bit
US4241799A (en) * 1979-10-17 1980-12-30 Hughes Tool Company Protected cutter mounting for drill bits
US4760890A (en) * 1987-05-18 1988-08-02 Tamrock Inc. Cutter assembly for rotary boring of earth
WO1999018326A1 (en) * 1997-10-06 1999-04-15 Excavation Engineering Associates, Inc. Small disc cutters, and drill bits, cutterheads, and tunnel boring machines employing such rolling disc cutters
ZA200203609B (en) * 2001-05-08 2002-12-12 Smith International Mounting attachment and bearing system for an industrial earth-boring cutter.
CN101809247B (en) * 2007-09-25 2013-04-17 卡特彼勒公司 Rotary cutter for tunnel boring machine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1812681A (en) * 1929-02-13 1931-06-30 Brauer Walter Key bushing for rock-bit reamer pins
US2187037A (en) * 1939-06-09 1940-01-16 Lafayette H Kirkpatrick Well tool or the like
US3054466A (en) * 1959-09-21 1962-09-18 Drilprodco Inc Roller assemblies
US3203492A (en) * 1963-01-14 1965-08-31 Dresser Ind Large hole earth boring drill bit
US3216513A (en) * 1964-01-06 1965-11-09 Robbins & Assoc James S Cutter assemblies for rock drilling
FR1553002A (en) * 1967-11-17 1969-01-10
US3601207A (en) * 1969-05-19 1971-08-24 Lawrence Mfg Co Cutter assembly
US3633691A (en) * 1970-03-09 1972-01-11 Dresser Ind Large-diameter earth boring bit
US3627068A (en) * 1970-03-13 1971-12-14 Drilprodco Inc Adjustable reamer or roller assembly
US3658141A (en) * 1970-04-23 1972-04-25 Murphy Ind Inc G W Drill bit
US3612196A (en) * 1970-05-01 1971-10-12 Smith International Rock-boring cutter

Also Published As

Publication number Publication date
AU3727571A (en) 1973-06-28
ZA714204B (en) 1972-03-29
ZM19171A1 (en) 1972-07-21
US3750772A (en) 1973-08-07
AU441543B2 (en) 1973-11-01

Similar Documents

Publication Publication Date Title
CA965942A (en) Rotary cutting assembly
CA971028A (en) Rotary harrows
CA961513A (en) Rotary coal cutter
CA965230A (en) Milling cutter
CA968140A (en) Knife
CA964185A (en) Siding cutter
CA946429A (en) Rotary cutters
CA980721A (en) Cutting edges
CA947549A (en) Key cutter
CA963244A (en) Rotary cutter
CA974447A (en) Cutter assembly
CA970950A (en) Milling cutter
AU4026972A (en) Cutting devices
AU454029B2 (en) Rotary pressurised-fluid devices
CA952406A (en) Rotary servo-mechanism
CA967736A (en) Rotary hollow milling cutter
AU469959B2 (en) Rotary hand tool
CA864159A (en) Rotary toothbrush
CA877750A (en) Rotary panel cutter
CA861183A (en) Cutter
CA870396A (en) Cutter
CA924103A (en) Rotary cutting device
CA842012A (en) Rotary cutter
CA878473A (en) Rotary crushers
CA872688A (en) Rotary union