34f08f34_rials_patent_application_class__Description
20150096713 04-09-2015 [Description] 
RAPID TOOLING INSERT MANUFACTURE - A method of fabricating a die cast article is disclosed and includes forming an insert with an additive manufacturing process to define a cavity for generating desired part geometry. The insert is then mounted within a mold tool, material is injected into the cavity to fill the cavity and form a cast article.
Utilizing particular mold materials patent application class