Pressure container of plastic

US12162668B2 · kind B2 · utility

Assignee

• ALPLA Werke Alwin Lehner GmbH & Co. KG · AT

Inventors

• Thomas Olberding · Löhne, DE
• Florian Müller · Kempten (Allgäu), DE
• Tim Silbermann · Søholt, DK
• Markus Salzmann · Dornbirn, AT
• Oliver Unterlechner · Bregenz, AT

Key dates

• Filing date: Jan 8, 2021
• Grant date: Dec 10, 2024
• Expiry date: Dec 8, 2041

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65D83/42
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

A plastic pressure container has an essentially cylindrical container body with an opening closable in a pressure-tight manner by a valve attachment for dispensing a filling product. An interior plunger is arranged in a longitudinally displaceable manner along a longitudinal axis to subdivide the container body into a receiving chamber adjacent to the opening for the filling product and into a separated reservoir in a pressure tight manner, for a pressure medium. The plunger includes two circumferential sealing lips separated in the axial direction. An upper sealing lip extends into the receiving chamber and a lower sealing lip extends into the reservoir, and these are pressed in a fluid-tight manner onto an inner wall which delimits the interior of the container body, by pressure in the receiving chamber and reservoir.