The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 29, 2020
Filed:
Oct. 30, 2015
Khs Corpoplast Gmbh, Hamburg, DE;
Rolf Baumgarte, Ahrensburg, DE;
Ludwig Clüsserath, Bad Kreuznach, DE;
Werner Lesinski, Ahrensburg, DE;
Michael Linke, Hamburg, DE;
Michael Litzenberg, Geesthacht, DE;
Niels Meyer, Schenefeld, DE;
KHS Corpoplast GmbH, Hamburg, DE;
Abstract
The present invention relates to a piston assembly for pumping a liquid, in particular in a bottle filling system. The object of the invention is to propose a piston assembly for pumping a liquid, which can be cleaned and/or disinfected without dismantling of the piston or performing any other external interventions into the assembly. The object is achieved by a piston assembly for pumping a liquid, which comprises a pistonthat travels within a cylinderand has a working path A between a first inversion point Uand a second inversion point U, with the pistonforming a tight seal with respect to the cylinderin the region of the working path. The assembly is characterized in that beyond one of the two inversion points U, U, outside of the working path A, the diameter of the cylinderis enlarged in one sectionsuch that the sealing closure is eliminated there, and the pistoncan be moved into this area for a cleaning and/or disinfection process.