Blown film extrusion plant
OwnerFriedrich Ohlendorfinventor
Life of this patent
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Abstract
In a blown film extrusion plant comprising a blow head and an air cooling ring, between the blow head and the air cooling ring at least one cooling device should be provided.
Claims12
Blown film extrusion plant comprising a blow head and an air cooling ring, wherein at least one cooling device is provided between the blow head and the air cooling ring.
Method for producing a film bubble by means of a blown film extrusion plant in which the film bubble is extruded from a blow head and is subsequently cooled in an air cooling ring, characterized in that, between the blow head and the air cooling ring, an additional cooling of an outer shell surface of the film bubble is realized by means of a cooling device.
Dependencies are inferred from the claim text.