| 摘要 |
A piston-cylinder unit, in particular a gas spring, comprises a substantially cylindrical casing with a central longitudinal axis, the casing having a first end with an edge that is bent inwards, a closed second end, and an interior space that is filled with a working fluid; a guide unit which is disposed in the casing in the vicinity of the first end and supported outwards by the inwardly bent edge; a piston rod which is coaxial to the central longitudinal axis and which is displaceably passed through the guide unit and which has a piston on the end of the piston rod that is on the side of the interior space; the piston-cylinder unit is characterized in that a plastic sleeve is mounted on the edge, enfolding the edge on the outside of the casing.
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