Patent · US Expired

Extruder plant with worm extruder and gearwheel extruder

US6502977B1 · kind B1 · utility

2Cited by
40References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 1, 2000
Grant dateJan 7, 2003
Priority date
Expiry dateSep 1, 2020

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C48/03
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An extruder plant includes a worm extruder having a reduced length and including only a feed zone of the extruder plant and a gearwheel extruder connected downstream of the worm extruder and including a plasticizing and pressure build-up zone of the extruder plant.

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