Countersink for the arch, polygon or Tuerstock expansion in pit routes
DE1195702B
Work platform movable on guide rail sections for work when driving up mine sections
DE1193911B
Rail-like Vorpfaendeinrichtung for a route expansion in the mine
DE1187213B
Work platform movable on guide rail sections for work when driving up mine sections
DE1147550B
Spacer connection for the expansion of the mine route
DE1132069B
Sub-segment designed as a countersunk support and standing on a perforated footplate for multi-part expansion frames for steel line expansion
DE1037989B
Resilient articulated pit lining
DE1029780B
Angled channel for underground mining operations
DE1063553B
Extension of the route, in which the segments of adjacent frames consisting of web profiles are connected in a tensile and compression-proof manner by spacers
DE1088900B
Tensile and pressure-resistant connection of, in particular, length-adjustable spacers with extension members or joint parts of the route extension
DE965934C
Extension of the route using segments preferably designed as arched sections
DE1091060B
Flexible, articulated polygon construction
DE967584C
Route expansion, especially polygon expansion
DE1024693B
Fastening of guide rails on the line of a shaft extension, especially in the stacking shaft
DE1041445B
Route polygon expansion
DE1105367B
Mine construction, especially route construction
DE955674C
Extension of the route with a chamber running through the route
DE1064903B
Route expansion
DE944062C
Extension of the route, in particular polygon construction with shell-like reinforcements
