Blowing head with melt distribution

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United States of America Patent

APP PUB NO 20050214400A1
SERIAL NO

11086516

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Abstract

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A single-layer or multi-layer blowing head distributes melt essentially by horizontal spiral mandrel distributors. As a result, the usual dead spaces 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 is reduced by the compact arrangement of the spirals.

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Patent Owner(s)

Patent OwnerAddress
KIEFEL EXTRUSION GMBH67547 WORMS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hessenbruch, Rolf Remscheid, DE 3 13

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