In this article shapes of parisons and blowing mandrels for injectionblow mouldings were designed according to the shapes of finished articles and the feature of injectionblowmoulding process.
本文依据中空容器的结构特点及注射吹塑成型机成型工艺特点，设计注射吹塑用型坯及芯棒。
2
PVC is easy to process by extrusion, injection molding, calendering, blow molding, compressing, cast moulding and thermal molding, etc.
产品易于成型加工，可以采用挤出，注塑，压延，吹塑，压制，铸塑及热成型等多种成型方法进行加工。
3
The invention is an integrally blow-moulded bag-in-container (2) obtainable by blow-moulding an injection moulded multi-layer preform (1).