Device for expansion of plastic preforms for containers, has blowing nozzle for filling preforms with gaseous medium, and valve device and sealing body with through opening

摘要

The device (1) has a blowing nozzle (2) for filling preforms with a gaseous medium, and valve device (4) and a sealing body (12) with through opening (22), where valve body (14) has another through opening (32). The valve body rotates against the sealing body at a predetermined rotation axis (L). An independent claim is included for a method for expansion of plastic preforms for containers.