Process for cleaning water channels, especially sewers, comprises connecting one end of a pulling element to a drive device that repeatedly pulls the pulling element over deposits along a defined stretch
DE102004041116A1
shoring
DE10312043A1
Lining apparatus for supporting walls of trench, has lining plates separated by predetermined distance via expandable supports, and base plates that are raisable and lowerable relative to lining plates via guides and carriers
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Spreading frame for shoring panels
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Shoring device for deep trenches
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Supporting wall structure, for a trench, has equidistant vertical supports with spreaders and chord carriers, with clips as fasteners to hold the wall plates at the chord carriers in a rapid and secure mounting operation
DE19944116A1
Trench brace unit for trench shoring has forked brace between support pairs, with brace beam connector at large distance to supports
DE19753561A1
Shoring device
DE19621826A1
Stop for a strut of a trench shoring device
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Blocking device for supporting ditch walls
DE4432306A1
Shoring device
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Expansion frame for trench lining
DE4322336A1
Shoring device
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Shoring device
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Shoring device
DE4113811A1
INSTALLATION DEVICE
DE3918919A1
Construction of wide underground channel - by excavating three parallel trenches and lining them with concrete
DE3915863A1
Wide concrete lined under ground channel - is produced by constructing two channels side-by-side
