EXTRUSION DIE AND MANIFOLD SYSTEM THEREFOR

摘要

An extrusion die is disclosed for producing an extrudate of thermoplastic material. The extrusion die includes a die outlet through which a melt stream of the thermoplastic material is extruded, a feed entrance in communication with a feed splitter for dividing the thermoplastic material into a first portion and a second portion, and a cross flow manifold comprising a first cross flow manifold section for receiving the first portion of the thermoplastic material, a second passage in communication with the first passage, and a third passage in communication with the second passage.