Patent · US Expired

Electric injection molding apparatus

US5092753A · kind A · utility

8Cited by
1References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 26, 1990
Grant dateMar 3, 1992
Priority date
Expiry dateApr 26, 2010

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C2045/5076
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An injection screw disposed in a heating cylinder is connected to a rotary driving force receiving mechanism, a linear driving force receiving mechanism, and a back pressurizing mechanism. The rotary driving force of an electric motor is transmitted to the rotary driving force receiving mechanism and the linear driving force receiving mechanism through clutches, which are controlled according to sensors for detecting the position of the screw or the linear driving force receiving mechanism.

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