Patent · US Expired

Apparatus for plasticizing and injecting plastic material

US6793482B2 · kind B2 · utility

1Cited by
3References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 10, 2002
Grant dateSep 21, 2004
Priority date
Expiry dateNov 6, 2022

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C45/5008
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An apparatus for plasticising and injecting plastic material comprising a rotatable screw (3) arranged in a cylinder (2), wherein the screw (3) is displaced axially by the rotation of spindles (5) which are rotatable by a servomotor (7) moved axially with the screw (3), by way of of gears (27, 27′) connected by a toothed belt (17), wherein an intermediate transmission (15) for reducing the rotary speed is arranged between the servomotor (7) and the gears (27, 27′).

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