METHOD AND APPARATUS FOR SHAPING PLASTICS MATERIAL PRE-FORMS INTO PLASTICS MATERIAL CONTAINERS

摘要

A method of shaping plastics material pre-forms into plastics material containers is provided, in which the plastics material pre-forms are expanded inside a blow mould with the aid of an expansion agent and a stretch rod to form the plastics material containers, and in which at least the blow mould and/or the stretch rod is or are sterilized if necessary at least in part with sterilization agent, wherein, to sterilize the outer side of the stretch rod, the stretch rod is displaced at least in part into the blow mould, and the sterilization agents are brought from a discharge element arranged outside the stretch rod to the exterior face of the stretch rod.

主权项

1. A method of shaping plastics material pre-forms into plastics material containers, comprising: the plastics material pre-forms are expanded inside a blow mould with the aid of an expansion agent and a stretch rod to form the plastics material containers; and in which at least the blow mould and/or the stretch rod is or are cleaned and/or sterilized if necessary at least in part with sterilization agent; wherein to clean and/or sterilize the outer side of the stretch rod, the stretch rod is displaced at least in part into the blow mould, and sterilization agents are brought from a discharge element arranged outside the stretch rod and/or a blow moulding nozzle to at least part of the exterior face of the stretch rod, while the stretch rod is situated in the blow mould.