| 摘要 |
The invention relates to a device for bending pipes, in particular coated pipes, in a preferred manner insulated pipes and/or pipes that are coated with PU foam/PUR rigid foam, for pipelines, said device having a basic body which can be positioned in the pipe and on which a running gear unit is provided for movement in the pipe and having at least three contact elements for producing a contact with an inside wall of the pipe for introducing a bending force, wherein at least two contact elements are provided on one side of the basic body on the ends of the basic body, and at least one contact element is arranged on the opposite side of the basic body, and wherein at least one of the contact elements is provided so as to be movable in relation to the basic body in the direction of the inside wall of the pipe by means of a force-introducing element. In addition the invention relates to a method for bending such pipes. |
