A device for the manufacture of films stretchable made of polyethylene for palletization

摘要

This device comprises, between the outlet orifice (nozzle) of the extruder 1, which delivers a mixed compound 33 made from the base compound 9 and the added compound 10, and the die 29, a metering pump 32 fed by the extruder 1 at a pressure P1 which equals at most half the normal operating pressure of the extruder and outputting into the die with a pressure P2 which is greater than P1 and at least equal to the normal operating pressure of this extruder. IMAGE