System for recognising and monitoring contaminants
DE4304521A1
System for the detection and monitoring of pollutants
DE4201667A1
Method for supporting a loaded reinforced concrete slab
EP0480135A1
Contact profile, particularly for shielded doors with frames for shielded rooms
DE4119259A1
Method for constructing basements under existing building - uses root piles to underpin existing load-bearing walls for construction of concrete ceiling, foundation blocks, support columns
DE4114355A1
Shutting down oil well blowouts - using remote controlled bore drill in underground shaft beneath well head to pump pressure countering materials into oil pipe
DE4112293A1
Closing riser pipe from which oil is escaping from oil well and burning - by driving tunnel to expose pipe below ground so that it is compressed or fitted with sleeve and valve to stop flow
DE4112038A1
Method of closing pipe containing high speed or high pressure contents - consists of piercing hole in outer casing and inserting grid of bolts or rods
DE4110346A1
Closing down burning oil wells with min. danger to personnel - uses tunnelling and excavating technique to clamp and insert valve remote from oil well head
DE4106160A1
Basement construction system for existing building - erects root piles, concrete floor slab, foundation tunnels and shafts, and provides ceilings in excavated space
DE4100576A1
Sealing base construction system - is for polluted areas and uses steel profiles to keep edges of sealing sheeting strip flat
DE4100466A1
Sealing base construction system for polluted areas - uses box-like profiles to connect edges of sealing sheeting
DE4040064A1
Tank seal between ground and wall construction - is for making waste and contaminated material storage watertight
DE4040063A1
Sealing of waste material stores - involves strip covering to seal waste in prepared sites
DE4034180A1
METHOD FOR MANUFACTURING AN UNDERGROUND GASKET SOLE UNDER AN EXISTING WASTE DEPOSIT AT NIGHT
DE4034177A1
Control system for shield driving in tunnel - consists of borehole drilled in direction of drive through which cable is drawn
DE4011764A1
Waste incineration slag utilisation - as pelletised aggregate for concrete
DE4005805A1
Disposal of nuclear submarines at end of service - by encapsulating submarine in concrete for storage filling inside of submarine with concrete
DE4002342A1
Route for high speed railways - is constructed underground throughout its entire length in tunnel dug with full bore machines
DE3935409A1
SHIELDING AGAINST ELECTROMAGNETIC SHAFTS, ELECTRIC PULSES AND / OR ELECTRICAL RADIATION FOR OPENINGS, PREFERRED FOR WINDOW OPENINGS, FROM SHIELDED ROOMS
