Piston rod seal

US6164659A · kind A · utility

Assignee

• CR Elastomere GmbH · DE

Inventors

• Jürgen Netzer · Burscheid, DE
• Siegfried Pietsch · Leverkusen, DE
• Bernd Stephan · Schweinfurt, DE

Key dates

• Filing date: Jun 25, 1998
• Grant date: Dec 26, 2000
• Expiry date: Jun 25, 2018

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S277/909
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A piston rod seal includes a sealing disk provided with a reinforcement element, a guide mechanism, and a support piece which are adapted to be placed consecutively in a metal pipe or similar object functioning as a housing, and which are adapted to surround a piston rod when installed. To create a seal having relatively few components and a relatively small axial dimension, the reinforcement element is connected to the sealing disk and is constructed to function as a guide element for guiding the axial movement of the piston rod.