Casting core and process for the production thereof
AssigneeAlcan Aluminiumwerk Nurnberg GmbH
InventorsWolfram Wischnack, Alfred Dobner
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Abstract
A casting core for the creation of difficultly accessible cavities in castings of aluminum or of one of its alloys, produced from a water-soluble salt as base substance and burnt sugar as binding agent, and a process for the production of such a casting core wherein the base substance is mixed with burnt sugar in aqueous or organic solution, pressed in molds, and baked at elevated temperature.
Claims4
A casting core for the creation of difficultly accessible cavities in castings of aluminum or of one of its alloys, consisting of a granular base substance and a sugar derivative as binding agent, characterized in that the granular base substance is a water-soluble salt, and the binding agent consists of burnt sugar.
A process for the production of a casting core consisting of a granular base substance which is a water-soluble salt and burnt sugar as binding agent, said process comprising the steps of mixing a water-soluble salt with burnt sugar in solution, pressing the resultant mixture in a mold to form a core body and baking the body at elevated temperature.
Dependencies are inferred from the claim text.