Process for filling the space between the rock and the extension elements of shafts or boreholes using bituminous masses
DE1189499B
Device for the mechanical sinking of shafts, especially in used mountains
DE1173050B
Method for sealing shafts against sedentary water in fissured mountain areas
DE1122471B
Method for sealing a borehole, a shaft or the like.
DE1077617B
Watertight shaft lining
DE1081396B
Method and device for emptying the buckets when tipping on the rope when sinking the shaft, especially in the case of two-column conveyance with buckets
DE1203214B
Watertight shaft lining
DE1082863B
Process for filling the gap between the rock and the extension elements of shafts or boreholes
DE1205033B
Method and device for introducing the lining of shafts
DE1110886B
Procedure for determining the formation of the freezing ring in freezing pits and arrangement for carrying out the procedure
DE1126344B
Process for filling the space between the rock and the extension elements of shafts or boreholes using bituminous masses
DE1165525B
Method and device for lining pigs
DE1076595B
Protective cap for the thread on drill rods or the like.
DE1059859B
Process for the production of manhole linings and manhole linings produced therefrom
DE1019982B
Method for determining the migration of a measuring point on the central axis of a large borehole or borehole using rope plumbing
DE1161524B
Method and device for producing drill shafts and similar bores
DE1010931B
Process for sealing and consolidating water-bearing layers surrounding a manhole
DE963683C
Procedure for the installation of closed manhole extension rings and tensioning scaffolding made outside the manhole to carry out the procedure
DE1129436B
Shaft extension with sealing cylinder
DE1081845B
Holding device for drilling machines for drilling on the bottom of shafts, dies, pits or the like.
