| 摘要 |
Expansion seal ring with an essentially torus shaped expansion seal (1) which is provided between two concentric positionable connection pieces (2, 3) to be sealed or the like, which include a sealing section (1a) which is pulled over the edge (3a) of one of the two connection pieces (3), and which includes an expandable section (1b), which is provided to be radially effective between the two connection pieces (2, 3), as well as a jacket (4) which essentially completely covers or envelopes the expansion seal (1) at least in the area of the expandable section (1b).
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