Blow moulding machine with a sterile chamber and sterile blowing air feed

US8740597B2 · kind B2 · utility

Assignee

• KRONES AG · DE

Inventors

• Florian Geltinger · Donaustauf, DE
• Josef Knott · Schierling, DE
• Eduard Handschuh · Regensburg, DE

Key dates

• Filing date: Mar 1, 2012
• Grant date: Jun 3, 2014
• Expiry date: Aug 2, 2032

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B29C2049/4697
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

An apparatus for shaping plastic preforms for providing plastic containers), having a plurality of shaping stations arranged on a movable carrier, wherein the shaping stations have blowing molds which accommodate the preforms and within which the preforms are shaped to provide the containers, and wherein the shaping stations each have charging devices which are movable relative to the preforms and which charge the preforms arranged in the molds with a flowable medium for expansion, and wherein the shaping stations have a valve arrangement which controls the feed of the medium to the preforms, with a clean chamber within which the shaping stations are conveyed with the charging devices, wherein the clean chamber is arranged against the surroundings by at least one wall. Flow connections for guiding the flowable medium are provided between the valve arrangements and the charging devices and the valve arrangements are arranged outside the clean chamber.