Patent · US Expired

Injection molding apparatus with alternately moved metal molds

US4810181A · kind A · utility

19Cited by
4References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 19, 1987
Grant dateMar 7, 1989
Priority date
Expiry dateJun 19, 2007

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C45/0408
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An injection molding machine is provided with two sets of metal molds each including a stationary and movable metal molds. The two sets are mounted on a supporting plate which is moved in a direction perpendicular to the axis of an injection cylinder. Thus by reciprocating the supporting plate the two sets of the metal molds are alternately moved into and out of the injection molding machine.

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