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)
  • Joining Of Building Structures In Genera (AREA)
  • Body Structure For Vehicles (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

Similar Documents

Publication Publication Date Title
GB1096786A (en) Improvements in/or relating to a system for weighing loads while in motion
CA1018824A (en) Railway bogles having bolster welded to side frames
AT300514B (de) Lichtbogen-Schmelzschweißverfahren
GB1337335A (en) Mobile crane chassis construction
GB1295713A (enrdf_load_stackoverflow)
GB1136275A (en) Improvements in or relating to roofing bars
GB1150679A (en) An Advanceable Mine Roof Support Assembly
GB1248694A (en) Improvements in mine roof support assemblies
GB946460A (en) Improvements in structural members for buildings
GB1291435A (en) Improvements in or relating to advancing mine roof supports
GB1227317A (enrdf_load_stackoverflow)
FI47908C (fi) Matalahiilinen, suurilujuuksinen, hyvin hitsattava rakenneteräs
GB1036710A (en) Improvements in or relating to mining support frames
GB1436780A (en) Frame structure of seupport members and beam members
GB1183238A (en) Improvements in or relating to Advancing Mine Roof Support Systems
GB1375562A (enrdf_load_stackoverflow)
GB1064815A (en) Steel girder bridges
GB972381A (en) Improvements in and relating to travelling longwall support means
FR2242559A1 (en) Mining machine twin-chock anchorage - chock floor bars house steel beams with common yoke hinged to guide
GB1217566A (en) Improvements in or relating to self-advancing underground roof supports
GB1063678A (en) Building scaffolding
GB1457048A (en) Mine roof support
GB1216953A (en) Improvements in support assemblies for mineral mines
GB1241150A (en) Improvements relating to superstructure in self-advancing roof supports
GB1082766A (en) Improvements in or relating to mine roof-supporting frames