AU513975B2 - Mineral excavating bit - Google Patents

Mineral excavating bit

Info

Publication number
AU513975B2
AU513975B2 AU30171/77A AU3017177A AU513975B2 AU 513975 B2 AU513975 B2 AU 513975B2 AU 30171/77 A AU30171/77 A AU 30171/77A AU 3017177 A AU3017177 A AU 3017177A AU 513975 B2 AU513975 B2 AU 513975B2
Authority
AU
Australia
Prior art keywords
mineral
excavating bit
excavating
bit
mineral excavating
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
AU30171/77A
Other languages
English (en)
Other versions
AU3017177A (en
Inventor
C. R. and Fisk A. T Peterson
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.)
Rapidex Inc
Original Assignee
Rapidex Inc
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
Priority claimed from US05/737,061 external-priority patent/US4087131A/en
Priority claimed from US05/737,068 external-priority patent/US4084854A/en
Application filed by Rapidex Inc filed Critical Rapidex Inc
Publication of AU3017177A publication Critical patent/AU3017177A/en
Application granted granted Critical
Publication of AU513975B2 publication Critical patent/AU513975B2/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C41/00—Methods of underground or surface mining; Layouts therefor
    • E21C41/16—Methods of underground mining; Layouts therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/22—Mineral freed by means not involving slitting by rotary drills with breaking-down means, e.g. wedge-shaped drills, i.e. the rotary axis of the tool carrier being substantially perpendicular to the working face, e.g. MARIETTA-type
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E21C29/22—Propulsion of machines for slitting or completely freeing the mineral from the seam by wheels, endless tracks or the like
    • E21C29/24—Trucks carrying the machine while working
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C41/00—Methods of underground or surface mining; Layouts therefor
    • E21C41/16—Methods of underground mining; Layouts therefor
    • E21C41/24—Methods of underground mining; Layouts therefor for oil-bearing deposits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9411—Cutting couple type
    • Y10T83/9413—Spiral type cutter

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Earth Drilling (AREA)
AU30171/77A 1976-11-01 1977-10-31 Mineral excavating bit Expired AU513975B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US05/737,061 US4087131A (en) 1976-11-01 1976-11-01 Drag bit excavation
USUS737061 1976-11-01
USUS737068 1976-11-01
US05/737,068 US4084854A (en) 1976-11-01 1976-11-01 Drag bit excavation

Publications (2)

Publication Number Publication Date
AU3017177A AU3017177A (en) 1979-05-10
AU513975B2 true AU513975B2 (en) 1981-01-15

Family

ID=27113168

Family Applications (1)

Application Number Title Priority Date Filing Date
AU30171/77A Expired AU513975B2 (en) 1976-11-01 1977-10-31 Mineral excavating bit

Country Status (4)

Country Link
AU (1) AU513975B2 (de)
CA (1) CA1078882A (de)
DE (1) DE2748582A1 (de)
GB (1) GB1592200A (de)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE211193C (de) *
DE746106C (de) * 1936-02-12 1944-08-05 Luebecker Maschb Ges Schaufelradbagger
US2417313A (en) * 1944-06-17 1947-03-11 John H Mackinnon Trench-digging machine
US2650083A (en) * 1950-12-29 1953-08-25 Goodman Mfg Co Coal drill
US3039208A (en) * 1956-05-22 1962-06-19 Nicholas P Oglesby Trench digging machines
DE1253180B (de) * 1959-05-28 1967-10-26 Trainer Associates Inc Erdbohrer
US3537537A (en) * 1967-07-18 1970-11-03 Watson Mfg Co Boulder dislodging tool
US3856357A (en) * 1973-08-22 1974-12-24 G Wharton Combination rotor-box cutter mining machine and method of mining
DE2451286C3 (de) * 1974-10-29 1983-01-20 Gebr. Eickhoff, Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum Schneidwalze für Vortriebsmaschinen

Also Published As

Publication number Publication date
CA1078882A (en) 1980-06-03
GB1592200A (en) 1981-07-01
AU3017177A (en) 1979-05-10
DE2748582A1 (de) 1978-05-11

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