Vacuum corrugators developed for automotive fuel lines by Corelco Cie,Manziat,France,offer new software for such precise speed control that processors can use them to mold a multilayer tube into a continuous chain of hollow barrier parts.The parts need not be identical,but can vary widely in diameter.This capability was developed 18 months ago for a French molder,which made up to 65 small parts at a time.
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