Mobile unit for the construction of elongated tubular bodies

A mobile unit, suitable for the construction of an elongated tubular body comprising an elongated, tubular inner hollow core, an elongated, tubular inner casing and an elongated, tubular outer casing, the inner casing surrounding the hollow core, the outer casing surrounding the inner casing, the outer casing comprising one or more layers, each layer consisting of one or more helically wound metal strips, the inner casing and the outer casing as well as any layers in the outer casing being bound to each other by an adhesive, which elongated body has been made by a process comprising constructing the elongated inner casing, providing one or more metal strips, winding the one or more metal strips helically around the inner casing, providing adhesive or a curable adhesive precursor and applying it between the casings and the layers, followed by curing the adhesive precursor when present, with the proviso that when two or more layers are present in the outer casing of the elongated tubular body or when overlapping layers are present in the outer casing there may or may not be an adhesive layer between the inner and the outer casing of the elongated tubular body, the mobile unit comprising a multitude of detachably connected containers, each container comprising equipment to carry out one or more of the process steps as described above.