Method and device for cleaning gas in blowing machines

Abstract

The invention discloses a device (401) for cleaning gas in blowing machines for shaping plastics material pre-forms to form plastics material containers. According to the invention at least one gas-processing device (416), which is capable of filtering the gas in a sterile manner and / or of reducing a quantity of an oxidative disinfecting / sterilizing agent contained in the gas flowing through and / or flowing past, is arranged in at least one gas line (402, 402a, 402b) which is a gas supply line (402a) or a gas removal line (402a) of a blowing station (8). The device for cleaning gas can filter gases in a manner of asepsis and / or can reduce the mass of oxidized disinfectant and / or bactericide contained in the flowing gases.

Description

technical field

[0001] The present invention relates to an apparatus and method for cleaning gases in a blow molding machine for forming plastic preforms into plastic containers. Background technique

[0002] Blow molding machines for forming plastic preforms into plastic containers are already known in the prior art. Usually this type of equipment has a plurality of blow moulds, each of which forms a cavity in which the plastic preform can form a container, in which the preform made of plastic is made The molded part (plastic preform) expands to form a plastic container. In order to expand the plastics material pre-forms, the device has a pressure booster which blows the plastics material pre-forms with air by means of a medium, for example compressed air. Thus, the plastic pre-form is stretched both radially and axially and bears against an inner wall of the blow mold adjoining the cavity. To support the stretching of the plastic container in the axial direction, the bl...

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