CA1019356A - Hook plow apparatus for longwall mining - Google Patents

Hook plow apparatus for longwall mining

Info

Publication number
CA1019356A
CA1019356A CA244,360A CA244360A CA1019356A CA 1019356 A CA1019356 A CA 1019356A CA 244360 A CA244360 A CA 244360A CA 1019356 A CA1019356 A CA 1019356A
Authority
CA
Canada
Prior art keywords
hook
longwall mining
plow apparatus
plow
longwall
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
CA244,360A
Other languages
French (fr)
Inventor
Robert W. Johns
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.)
Individual
Original Assignee
Individual
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 US05/627,763 external-priority patent/US4013320A/en
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA1019356A publication Critical patent/CA1019356A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
    • E21C27/34—Machine propelled along the working face by cable or chain
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/08—Guiding the machine
    • E21C35/16—Guiding the machine by making use of the timbering, filling, or other supports
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/20—General features of equipment for removal of chippings, e.g. for loading on conveyor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C41/00—Methods of underground or surface mining; Layouts therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/08—Advancing mechanisms
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/12—Control, e.g. using remote control

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)
  • Mechanical Engineering (AREA)
  • Remote Sensing (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
CA244,360A 1975-10-31 1976-01-28 Hook plow apparatus for longwall mining Expired CA1019356A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/627,763 US4013320A (en) 1974-09-26 1975-10-31 Hook plough apparatus for longwall mining

Publications (1)

Publication Number Publication Date
CA1019356A true CA1019356A (en) 1977-10-18

Family

ID=24516039

Family Applications (1)

Application Number Title Priority Date Filing Date
CA244,360A Expired CA1019356A (en) 1975-10-31 1976-01-28 Hook plow apparatus for longwall mining

Country Status (3)

Country Link
BR (1) BR7601169A (en)
CA (1) CA1019356A (en)
DE (1) DE2647246A1 (en)

Also Published As

Publication number Publication date
BR7601169A (en) 1977-05-10
DE2647246A1 (en) 1977-05-05

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