Patent ID: 8459332
Filing Date: 2013-06-11
Classification: B22C,B22D

Abstract:
1. A piston outer panel mold that is operably attachable to a conventional piston mold machine, said outer panel piston mold comprising: a pair of gudgeon core members; a pair of gudgeon guide blocks moveable toward and away from one another along a linear path that is substantially perpendicular to a central longitudinal axis of a piston between an engaged position and a disengaged position, each of said gudgeon guide blocks having an opening receiving a separate one of said gudgeon core members for slideable movement therein; and a pair of outer panels each operably connected to respective said gudgeon guide block and moveable vertically into a closed position between said pair of gudgeon guide blocks to form an undercut cooling gallery of the piston, said outer panels being movable vertically to an open position to allow extraction of the piston vertically along said central longitudinal axis, said outer panels being moveable between said open and closed positions in response to movement of said gudgeon guide blocks.