CASTING SYSTEM WITH TAPERED HEARTH

摘要

A hearth for use with a casting system, wherein the hearth comprises: an inlet defining an inlet cross-sectional area; an outlet defining an outlet cross sectional area, wherein the outlet cross-sectional area is less than the inlet cross-sectional area; and a cavity between the inlet and the outlet, wherein the cavity tapers from the inlet toward the outlet. 26298853v1 SIMPSOT Al llll 246 252 250a nFIG. 4 242 X1 Al ol 250a 250b