Allows to obtain in a single operation a finished product, with a complex form, in a range of weight of some grams to several kilograms.
The soft material (which gets fluid by increasing the Temperature) is mixed at first by a screw turning in a warmed cylinder then introduced under pressure into a closed mold.
This process is used in particular for the manufacture of:
- Jars,
- Lids,
- Cap,
- Boxes,
- …