GB995824A - A walking mine roof supporting set - Google Patents

A walking mine roof supporting set

Info

Publication number
GB995824A
GB995824A GB1381364A GB1381364A GB995824A GB 995824 A GB995824 A GB 995824A GB 1381364 A GB1381364 A GB 1381364A GB 1381364 A GB1381364 A GB 1381364A GB 995824 A GB995824 A GB 995824A
Authority
GB
United Kingdom
Prior art keywords
cylinder
frames
ram
conveyer
coupled
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
GB1381364A
Other languages
English (en)
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
Application filed by Individual filed Critical Individual
Publication of GB995824A publication Critical patent/GB995824A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith

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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Framework For Endless Conveyors (AREA)
GB1381364A 1963-04-06 1964-04-03 A walking mine roof supporting set Expired GB995824A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG37471A DE1224245B (de) 1963-04-06 1963-04-06 Schreitender Strebausbau

Publications (1)

Publication Number Publication Date
GB995824A true GB995824A (en) 1965-06-23

Family

ID=7125638

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1381364A Expired GB995824A (en) 1963-04-06 1964-04-03 A walking mine roof supporting set

Country Status (3)

Country Link
BE (1) BE647234A (enrdf_load_stackoverflow)
DE (1) DE1224245B (enrdf_load_stackoverflow)
GB (1) GB995824A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1277272A (fr) * 1961-01-06 1961-11-24 Electro Hydraulics Ltd Perfectionnements apportés aux dispositifs de soutènement pour mines

Also Published As

Publication number Publication date
DE1224245B (de) 1966-09-08
BE647234A (enrdf_load_stackoverflow) 1964-08-17

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