Patent ID: 7946334
Filing Date: 2011-05-24
Classification: B22C,B29C,B33Y,Y02P

Abstract:
1. A sprue former of the type used to create a pathway in a casting mold from an exterior of the casting mold to at least one pattern cavity, each pattern cavity being defined by a casting pattern representing an item to be cast, the sprue former comprising: a monolithic hollow wax body, the hollow wax body including an inlet forming member and a plurality of first interface members, the inlet forming member being configured to define an inlet cavity in the casting mold to enable casting material to enter the casting mold, and each of the first interface members including a conduit-shaped portion that is configured to define a passage in the casting mold enabling casting material to enter a respective pattern cavity from the inlet cavity, each first interface member being configured to enable rotational adjustment of an axial tilt of a second interface member of the respective casting pattern about the respective first interface member, the hollow wax body having been printed based on electronic models of the inlet forming member and the first interface members.