Patent ID: 6537053
Filing Date: 2003-03-25
Classification: B29C,B29L

Abstract:
A modular molding system, comprising:(a) an upper frame assembly configured for receiving a cavity module therein; (b) a lower frame assembly configured for receiving a core module therein, said lower frame assembly including a two-stage master ejector system for assisting in ejecting a workpiece in two stages, said master ejector system comprising first and second master ejector plates, said first master ejector plate including an access opening therethrough; (c) a cavity module positioned within said upper frame assembly; and (d) a core module positioned within said lower frame assembly, said core module including a two-stage ejector system having a plurality of ejection elements associated therewith, said two-stage ejector system configured for assisting in ejecting a workpiece in two stages, wherein said ejector system of said core module comprises a module ejector plate having a maximum dimension less than a maximum dimension of said access opening and configured to be inserted through said access opening for attachment to said second master ejector plate; wherein said core and cavity modules together define a molding cavity for molding a workpiece therein, and further wherein said master ejector system is operable to drive said ejection elements of said core module.