Patent ID: 7059847
Filing Date: 2006-06-13
Classification: B29C

Abstract:
1. A resin molding machine comprising: a mold having a cavity plate that is disposed movably between open and closed positions of the mold and that includes a gate communicating with a cavity, the mold further including a sprue bushing in which a sprue is provided for feeding a molding material through the gate into the cavity; a runner plate having a first runner and a second runner that are provided between the cavity plate and the sprue bushing; a runner-plate driving mechanism for moving the runner plate between a molding position and an ejecting position, the sprue and the gate communicating via the runner at the molding position, the ejecting position being separated from the molding position and provided for ejecting residual material remaining in the runner plate; and a residual-material ejecting mechanism for ejecting the residual material in the runner plate from the electing position; wherein when the first runner is located at the molding position, the second runner is located at the ejecting position, and when the first runner is located at the ejecting position, the second runner is located at the molding position.