LABORATORY FOOD EXTRUSION‐THE DESIGN OF A HORIZONTALLY SPLIT BARREL

Abstract
An extruder barrel has been designed and constructed of two identical half‐barrels, joined along a horizontal axis. This arrangement allows a rapid disassembly to expose with minimum disruption the barrel's contents. Phase transition zones can be identified, measured and photographed and found to vary with the process conditions. This novel split‐barrel greatly facilitates the study of internal events during food extrusion.

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