Vibration damper with a damping medium-filled cylinder, in which a piston rod is installed with freedom of axial movement, and a pressure container, which is connected to the vibration damper by an adapter piece. The adapter piece comprises a connecting part, which is connected to the pressure container,...http://www.google.com/patents/US7487863?utm_source=gb-gplus-sharePatent US7487863 - Pressure container in a vibration damper
