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AssigneeWindmoller & Holscher
InventorsMartin BACKMANN, Hermann-Josef CKERING, Markus BUSSMANN, Bernd LIESBROCK, Karsten GOLUBSKI
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The present invention relates to an overturning device (10) for overturning a molten material (200) in a melt channel (110) comprising a melt inlet (20) and a melt outlet (30), wherein between the melt inlet (20) and the melt outlet (30) at least a melt guidance means (40) is assembled for a rearrangement of molten material (200) from the centre (22) of the melt inlet (20) at the edge (34) of the melt outlet (30) and for a rearrangement of molten material (200) from the edge (24) of the melt inlet (20) in the centre (32) of the melt outlet (30).
An overturning device for overturning a molten material in a melt channel comprising a melt inlet and a melt outlet, wherein between the melt inlet and the melt outlet at least a melt guidance means is assembled for a rearrangement of molten material from the centre of the melt inlet to the edge of the melt outlet and for a rearrangement of molten material from the edge of the melt inlet into the centre of the melt outlet.
A blow head for performing a blow film extrusion method comprising at least a melt channel for the conveyance of molten material to a blow outlet of the blow head
A method for performing a purge process in an extrusion device comprising the following steps:
Dependencies are inferred from the claim text.