VALVE PLATE AND FEEDBLOCK DESIGN FOR CO-EXTRUSION APPARATUS AND CO-EXTRUSION PROCESS USING SAME

摘要

ABSTRACT OF THE DISCLOSUREDisclosed is an apparatus and process forproducing multiple-layer film or sheeting whichincludes an improved laydown means comprisingadjustable cam-actuated control means for controllingthe polymer flow and individual layer thickness.