PL97389B1 - Maszyna gornicza - Google Patents

Maszyna gornicza Download PDF

Info

Publication number
PL97389B1
PL97389B1 PL1975180526A PL18052675A PL97389B1 PL 97389 B1 PL97389 B1 PL 97389B1 PL 1975180526 A PL1975180526 A PL 1975180526A PL 18052675 A PL18052675 A PL 18052675A PL 97389 B1 PL97389 B1 PL 97389B1
Authority
PL
Poland
Prior art keywords
arm
probe
machine
machine body
roof
Prior art date
Application number
PL1975180526A
Other languages
English (en)
Polish (pl)
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 filed Critical
Publication of PL97389B1 publication Critical patent/PL97389B1/pl

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
    • E21C35/302—Measuring, signaling or indicating specially adapted for machines for slitting or completely freeing the mineral
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Sawing (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)
PL1975180526A 1974-05-21 1975-05-20 Maszyna gornicza PL97389B1 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2262674A GB1462479A (en) 1974-05-21 1974-05-21 Mining machines

Publications (1)

Publication Number Publication Date
PL97389B1 true PL97389B1 (pl) 1978-02-28

Family

ID=10182484

Family Applications (1)

Application Number Title Priority Date Filing Date
PL1975180526A PL97389B1 (pl) 1974-05-21 1975-05-20 Maszyna gornicza

Country Status (5)

Country Link
US (1) US3984147A (enExample)
DE (1) DE2519763A1 (enExample)
FR (1) FR2272256B1 (enExample)
GB (1) GB1462479A (enExample)
PL (1) PL97389B1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111337883B (zh) * 2020-04-17 2022-02-08 中国矿业大学(北京) 一种矿井煤岩界面智能探测识别系统及方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2326827A (en) * 1940-04-15 1943-08-17 John R Beasley Coring apparatus
GB1142022A (en) * 1965-02-02 1969-02-05 Coal Industry Patents Ltd Horizon control of mining machines
GB1273334A (en) * 1970-01-15 1972-05-10 Coal Industry Patents Ltd Method of and apparatus for steering a longwall mineral mining machine
BE791168A (fr) * 1971-11-12 1973-05-09 Coal Industry Patents Ltd Appareil de direction d'une haveuse aux grands fronts de taille

Also Published As

Publication number Publication date
DE2519763A1 (de) 1975-12-04
GB1462479A (en) 1977-01-26
US3984147A (en) 1976-10-05
FR2272256A1 (enExample) 1975-12-19
FR2272256B1 (enExample) 1979-03-23

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