| 摘要 |
<p>The inventive piston seal comprises seal rings (3) arranged in grooves (1) of a piston (2), elastic elements (5) for pressing the rings (3) against the wall of a cylinder (6), the piston (2) being arranged therein. Each seal ring (3) consists of at least two adjacent parts (4) which have an external radius practically equal to the internal radius of the cylinder (6), the elastic elements (5) being arranged inside the piston (2).</p> |
