Patent ID: 8424587
Filing Date: 2013-04-23
Classification: B22D,B29C

Abstract:
1. A gas purging passageway for use with injection molding and die casting systems, the gas purging passageway comprising: a first-side comprising a first corrugated cooling face having a series of longitudinally spaced channels, wherein channels of the series of longitudinally spaced channels have non-uniform longitudinal cross-sectional trough shapes across the series of longitudinally spaced channels; and a second-side comprising a second corrugated cooling face having a series of longitudinally spaced ribs, wherein ribs of the series of longitudinally spaced ribs have non-uniform longitudinal cross-sectional tip shapes across the series of longitudinally spaced ribs, wherein: the non-uniform longitudinal cross-sectional trough shapes transition from arcuate trough shape to rectilinear trough shape across the series; and the non-uniform longitudinal cross-sectional tip shapes transition from arcuate shape to rectilinear tip shape.