Patent · US Expired

Extruder die insert plate system

US5997272A · kind A · utility

1Cited by
13References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 27, 1996
Grant dateDec 7, 1999
Priority date
Expiry dateMar 27, 2016

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/081
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A die for the preparation of a toner resin in an extruder having a housing defining a housing aperture therein and a conveyor for conveying the resin through the housing aperture to form a stream of resin is provided. The die includes a member connected to a first end of the housing. The member defines an opening therethrough. The cross sectional area of the opening is progressively reduced in the direction of the stream of resin for at least a substantial portion of the opening.

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