Patent · US Expired

Rotary plasticator screw injection machine

US4714422A · kind A · utility

5Cited by
9References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 12, 1985
Grant dateDec 22, 1987
Priority date
Expiry dateDec 12, 2005

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C45/50
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A plasticating unit having a channeled rotor rotating in an annular housing for processing plastic or polymeric material. The processed material is fed by a screw to a chamber which expands to receive a predetermined charge of material for injection into a mold.

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