Patent · US Expired

Injection molding process

US5112558A · kind A · utility

13Cited by
7References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 24, 1989
Grant dateMay 12, 1992
Priority date
Expiry dateAug 24, 2009

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C45/32
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An injection molding machine and method of operation having a plurality of accessory arrangements for molding a plurality of piece parts in efficient overlapping time cycle using primary and secondary molten plastic injection units, primary and secondary clamping units, a plurality of injection units in various arrays including molding piece parts in reverse or uniform orientation.

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