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:
Mar. 20, 2018
Filed:
Sep. 15, 2014
Krones Ag, Neutraubling, DE;
Eduard Handschuh, Donaustauf, DE;
Florian Geltinger, Donaustauf, DE;
Frank Winzinger, Regensburg, DE;
KRONES AG, , DE;
Abstract
An apparatus for molding plastic preforms into plastic containers, includes an application unit for applying a gaseous medium onto the plastic performs. The application unit includes at least one valve unit for controlling the gaseous medium to be supplied to the plastic preform. The valve unit has a working piston that is movable between at least two positions, and a control piston that is movable between at least two positions. Movement of the control piston is coupled, at least at times, to movement of the working piston. The valve unit includes a sealing unit that substantially prevents a gas flow between the working chamber and the control chamber at least in one position of the working piston and a membrane body that seals at least one area of the control piston against at least one area of the control chamber.