Sealing tool

摘要

The tool (1) has a sealing tool inner part (14), which is movable in a sealing tool outer part (12). A seal (17') is provided between the sealing tool outer part and the sealing tool inner part with a flat, annular shape and fixed in holding regions at the sealing tool outer part and the sealing tool inner part, where one of the holding region is arranged at or in proximity of an outer edge of the sealing tool inner part. The seal includes a shape congruent to an outer contour of the sealing tool inner part.