GB1384333A - Mining and excavating machines - Google Patents

Mining and excavating machines

Info

Publication number
GB1384333A
GB1384333A GB4860872A GB4860872A GB1384333A GB 1384333 A GB1384333 A GB 1384333A GB 4860872 A GB4860872 A GB 4860872A GB 4860872 A GB4860872 A GB 4860872A GB 1384333 A GB1384333 A GB 1384333A
Authority
GB
United Kingdom
Prior art keywords
mining
excavating machines
excavating
machines
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
GB4860872A
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.)
Joy Global Industries Ltd
Original Assignee
Dobson Park Industries 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 Dobson Park Industries Ltd filed Critical Dobson Park Industries Ltd
Priority to GB4860872A priority Critical patent/GB1384333A/en
Priority to FR7323475A priority patent/FR2173356B3/fr
Publication of GB1384333A publication Critical patent/GB1384333A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/28—Mineral freed by means not involving slitting by percussive drills with breaking-down means, e.g. wedge-shaped tools
    • 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
    • E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
    • E21D9/126—Loading devices or installations
    • E21D9/128—Loader-conveyors with gathering arms

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)
  • Environmental & Geological Engineering (AREA)
GB4860872A 1972-10-21 1972-10-21 Mining and excavating machines Expired GB1384333A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB4860872A GB1384333A (en) 1972-10-21 1972-10-21 Mining and excavating machines
FR7323475A FR2173356B3 (en) 1972-10-21 1973-06-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4860872A GB1384333A (en) 1972-10-21 1972-10-21 Mining and excavating machines

Publications (1)

Publication Number Publication Date
GB1384333A true GB1384333A (en) 1975-02-19

Family

ID=10449241

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4860872A Expired GB1384333A (en) 1972-10-21 1972-10-21 Mining and excavating machines

Country Status (2)

Country Link
FR (1) FR2173356B3 (en)
GB (1) GB1384333A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2493911A1 (en) * 1980-11-10 1982-05-14 Guillin Jacques Cutter for extracting minerals - has mobile frame with boring and percussion tools capable of working in all directions
DE3414413A1 (en) * 1984-04-17 1985-10-17 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen LOADING DEVICE FOR LOADING A HEALTH PLANT ONTO A LOADING CONVEYOR, IN PARTICULAR FOR DEGRADING OR DRIVING MACHINES AND THE LIKE.

Also Published As

Publication number Publication date
FR2173356A1 (en) 1973-10-05
FR2173356B3 (en) 1976-06-18

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees