Patent ID: 6776270
Filing Date: 2004-08-17
Classification: F15B,F16F

Abstract:
A piston-cylinder unit, comprisinga substantially cylindrical casing (2) with a central longitudinal axis (3), which has a first end (5) with an inwardly bent edge (14) that is bent inwards comprising a curved section (20) that adjoins the casing (2), a closed second end (6), and an inner space (15) that is filled with a working fluid; a guide unit (13), which is disposed in the casing (2) in the vicinity of the first end (5) and which is supported outwards by the inwardly bent edge (14); a piston rod (4), which is coaxial to the central longitudinal axis (3), which is displaceably passed through the guide unit (13), and which has a piston (9) on the end of the piston rod (4) that is on the side of the interior space; wherein a plastic sleeve (23) is mounted on the edge (14) of the casing (2), which has at least a first cuff (25) that enfolds the edge (14) on the outside of the casing (2); wherein the first cuff (25) covers the outside of the inwardly bent edge (14); wherein the part of the outside of the casing (2) that is covered by the first cuff (25) is coated at least partially with an anticorrosive layer; wherein the first cuff (25) enfolds the edge (14) in a liquid tight manner; wherein the plastic sleeve (23) comprises a second cuff (24) which enfolds the edge (14) on the inside of the casing (2); wherein the outer cuff (25) reaches as far as to the middle of the curved section (20).