Patent · US Expired

Injection molding apparatus

US4695237A · kind A · utility

62Cited by
5References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 8, 1985
Grant dateSep 22, 1987
Priority date
Expiry dateJul 8, 2005

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG05B2219/45244
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An injection molding apparatus for automatically presetting parameters of injection conditions by performing trial injection. A time (T0) and an injection quantity (C0) are obtained (step 124), wherein a drive current (I2) of a servo motor (M2) for performing trial injection reaches a drive current (i0, step 123) corresponding to a maximum injection pressure. Parameters (A, B, D) of the injection conditions stored in a memory, are read out in accordance with the detected time (T0) and the detected injection quantity (C0) to automatically set the injection conditions (step 131).

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