Patent ID: 8875476

Claim:
A sealing tool for a packaging machine, the sealing tool comprising: a sealing tool outer part; a sealing tool inner part that is movable in the sealing tool outer part; and a seal provided between the sealing tool outer part and the sealing tool inner part, the seal having a flat, annular shape and being fixed in a first holding region at the sealing tool outer part and a second holding region at the sealing tool inner part, the second holding region being disposed at or in the proximity of an outer edge of the sealing tool inner part; wherein a gap with a gap width is provided between the sealing tool outer part and the sealing tool inner part, and the first holding region and the second holding region are spaced further apart than the gap width in a projection on a plane perpendicular to a direction of motion of the sealing tool inner part; and wherein the sealing tool outer part has a rounded edge located between the first holding region and the gap.