GB1295713A - - Google Patents

Info

Publication number
GB1295713A
GB1295713A GB1295713DA GB1295713A GB 1295713 A GB1295713 A GB 1295713A GB 1295713D A GB1295713D A GB 1295713DA GB 1295713 A GB1295713 A GB 1295713A
Authority
GB
United Kingdom
Prior art keywords
frame
roof
jan
incorporating
support
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
Other languages
English (en)
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 GB1295713A publication Critical patent/GB1295713A/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
    • E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices

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)
  • Body Structure For Vehicles (AREA)
  • Joining Of Building Structures In Genera (AREA)
GB1295713D 1969-01-24 1970-01-26 Expired GB1295713A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19696902758 DE6902758U (de) 1969-01-24 1969-01-24 Wanderausbauaggregat mit rahmenfoermig verbundenen kappen

Publications (1)

Publication Number Publication Date
GB1295713A true GB1295713A (enrdf_load_stackoverflow) 1972-11-08

Family

ID=6599260

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1295713D Expired GB1295713A (enrdf_load_stackoverflow) 1969-01-24 1970-01-26

Country Status (2)

Country Link
DE (1) DE6902758U (enrdf_load_stackoverflow)
GB (1) GB1295713A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE6902758U (de) 1969-05-08

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