Process Sandwich injection moulding
Sandwich plastic parts with different types of plastic inside and on the surface can be produced using this process. In this way parts with high quality surfaces can be made from plastic types with low surface quality.

The process works similar to gas assisted injection moulding, but instead of air, another plastic is injected.
Danish Name Sandwich sprøjtestøbning
Category Mass conserving processes, Shaping plastics
Typical products Wall holder
Handle
Competing processes Injection moulding
Blow moulding
Extrusion
Pultrusion
References Willum Plast A/S
Barracuda Technologies ApS
Environmen- tal notes The filling plastic can be a recycled type
Photo Thomas Nissen (Computer graphics)
Copyright © 1996-2004 Torben Lenau
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