1.4 Forming, redistribution and addition processes

Question 1

What is the process of Blow Moulding?

Answer 1

1.Polymer is fed into the hopper
2.An Archimedean Screw pulls the polymer through a heated section, melting the screw
3.The melted polymer is extruded as a tube, which is called a ‘Parison’
4.The mould sides close around the Parison and air is injected into the mould, forcing the polymer to the sides
5.The polymer is allowed to cool for a few seconds, the mould opens and the finished bottle is ejected