Patent · US Expired

Extrusion die assembly

US6409491B1 · kind B1 · utility

7Cited by
13References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 2, 2001
Grant dateJun 25, 2002
Priority date
Expiry dateFeb 2, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C48/10
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Disclosed is an improved extrusion die assembly for controlling the flow of polymer in a melt extrusion process. The die assembly is useful for extruding low molecular weight polymer melts.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.