2022-03-082022-03-082003https://publica.fraunhofer.de/handle/publica/305663DE 20121659 U UPAB: 20030703 NOVELTY - The pipe-shaped handle (2) is arranged in line with the tool head (1) which can be of any suitable shape as required. Tool head (1) and handle (2) are slotted (4) alongside in order to be moved along a duct located in a narrow space to the area to be fixed. The axial gap (4) is wider and deeper than the diameter of the ducts to be joined, the inner surface of the tool head (1) corresponds with the outer surface of the union nut to be tightened or loosened. USE - The tool is in particular suitable for being used in a narrow space. ADVANTAGE - The tool is effective, a damage of the surrounding components can be avoided.de608621utility model2001-10162112