Patent ID: 7044192
Filing Date: 2006-05-16
Classification: B22D

Abstract:
1. A runner cooling block for use in a die casting system, wherein the runner cooling block receives molten metal for distribution into a runner system of a die and cooling fluid for transferring heat away from the molten metal passing through the runner cooling block, the runner cooling block comprising: a spreader block having a spreader; a bushing block having a bushing seat and cooling water access holes; a sprue bushing comprising: a water jacket comprising a ring having cooling water holes; wherein the water jacket is positioned over the cooling channel such that the cooling water holes provide access to the cooling channel, the sprue bushing is situated in the bushing seat such that the access holes, the cooling water holes and the cooling channel are lined up to allow cooling water to pass through the cooling channel, and wherein the spreader block and the bushing block mate such that the spreader is centrally located within the sprue channel wherein molten metal is allowed to pass through the sprue channel for passage into the runner system.