Blowing head with melt distribution

Details Blowing head with melt distribution Blowing head with melt distribution

B - Operations, Transporting

29

C

B29C 47/08 (2006.01) B29C 47/06 (2006.01) B29C 47/20 (2006.01) B29C 47/70 (2006.01)

Patent

CA 2500862

The invention relates to a single-layer or multi-layer blowing head in which the melt distribution takes place essentially by means of horizontal spiral mandrel distributors (8). As a result, the usual dead spaces (5) underneath the otherwise inclined spirals are avoided, which leads to better flow conditions in the blowing head and avoids formation of specks caused by long retention times. Furthermore, the overall height can be reduced by the compact arrangement of the spirals.

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