Patent ID: 9302421
Filing Date: 2016-04-05
CPC Classification: B29C,B29K,B29L

Claim Text:
1. A system for blow molding a preform into a container for a liquid or viscous material product, the system comprising: a molding station having at least one mold assembly defining the shape of the container, the molding station including at least one blow nozzle coupled to a source of blowing medium and configured to discharge the blowing medium into the preform while the preform is within the mold assembly and thereby forming the container; and at least one blow-off nozzle coupled to a source of cleaning medium, the blow-off nozzle being oriented in a direction to discharge a stream of the cleaning medium toward the blow nozzle, whereby residual blowing medium is removed from the blow nozzle by the stream of cleaning medium; wherein the molding station is a hydraulic blow molding station having a plurality of mold assemblies and blow nozzles arranged circumferentially about the molding station and being rotatable as a unit, the blow-off nozzle being positioned radially inward of the plurality of mold assemblies and being oriented to direct the stream of cleaning medium radially outward.