Abstract: A method and a device for producing a pipe bed or a pipe bed profiling. The method includes: digging a trench, producing a trench floor, producing the pipe bed or pipe bed profiling by a pipe-bed finisher adapted in at least one sub-region of its outer contours to the outer contours of the pipe to be laid, and on its longitudinal sides at least one guide or side element projects laterally on each of its two sides. The device has a pipe-bed finisher, shape-adapted in at least one sub-region of its outer contours to an outer contour of the pipe to be laid. The pipe-bed finisher is constructed either as a pipe profiling arbor that has at least on one front end, a finished guide tip or as a pipe profiling sleeve that has a punch-like, open or closed, concave or convex sleeve end region in the advancing direction.

Abstract: A method and also a device for the production of a pipe bed or a pipe bed profiling. The method provides at least the following processing steps: a) digging of a trench, b) production of a trench floor, c) production of the pipe bed or pipe bed profiling by a pipe-bed finisher that is adapted in at least one sub-region of its outer contours to the outer contours of the pipe to be laid, and on its longitudinal sides at least one guide or side element projects laterally on each of its two sides. The device has a pipe-bed finisher that is shape-adapted in at least one sub-region of its outer contours to an outer contour of the pipe to be laid, it is characteristic that the pipe-bed finisher is constructed either as a pipe profiling arbor that has at least on one front end, a finished guide tip or else is constructed as a pipe profiling sleeve that has a punch-like, open or closed, concave or convex sleeve end region in the advancing direction.

Abstract: A resilient sealing sleeve supported by a mounting cart is directed to a leakage point in pipes in order to seal them. The sealing sleeve is raised to the top of the pipe by a raising and lowering device, and widened there in the circumferential direction by a widening device provided on the mounting cart. A stopping device on the sealing sleeve holds the sleeve in its widened position for the purpose of sealing the pipe.