Cylindrical pipe and channel restructuring method, involves wrapping element and/or case with fabric mat impregnated with adhesive, where element is passed and widened to position to be restructured before reinforcing adhesive
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Lifting device for e.g. waste water pumping station, has inner pipe that is connected with outer pipe, and compressed-air outlet that is closed in intermediate space, where inner pipe consists of pressure resistant, air permeable material
DE102006005672A1
Suction duct for liquids with an intermediate duct for introducing compressed air to the lifted liquid
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Pressure pipe for liquids
DE10311828A1
Device for renovating house connection lines from a ground line
DE19837295A1
Duct sealing
DE19829969A1
Device for checking the tightness of socket connection areas on sewage pipes or sewers
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Method and device for renovating house connection areas on sewer pipes or sewers
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Method and device for the rehabilitation of socket connection areas of sewage pipes and sewers
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Subsequent bore drilling mechanism in underground, repaired pipes
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Device for removing projecting objects inside a pipe
EP0759135A1
Element for renovating ducts, drainage pipes, garbage dumping pipes and the like
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Renovation element for sewers, drainage pipes, landfill pipes and the like the like
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Process for continuous cleaning of railway ballast - involves using hood equipped with compressed air and high pressure water jets, attached to constantly moving vehicle