Storage head for a blow moulding machine

Details Storage head for a blow moulding machine Storage head for a blow moulding machine

B - Operations, Transporting

29

C

B29C 47/20 (2006.01) B29C 47/06 (2006.01) B29C 47/28 (2006.01) B29C 47/70 (2006.01) B29C 49/04 (2006.01)

Patent

CA 2064688

ABSTRACT OF THE DISCLOSURE The invention relates to a storage head for a blow moulding machine used for the intermittent production of multi-layer co extruded and blow-moulded thermoplastic hollow bodies. To improve the product quality and to increase throughput, each distributor is designed as a spiral channel distributor (20) which distributes the individual molten plastic streams uniformly at the periphery. The ejector (14) consists of at least two concentric tubular pieces (42, 44,46) and the peripherally distributed plastic streams issue from the front face of the ejector (14) and unite to from a single layer multi-layer flexible plastic tube in the storage space (16) in the storage head housing (10) below the ejector.

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