Method for producing a mould core and mould core made of said method

摘要

The invention is related to a method for producing a mould core (1) by providing a removable mould core material (4) comprising separately at least one mould basic material and at least one binder, producing a tight core shell (2), filling the removable mould core material (4) into the tight core shell (2) and curing of the at least one binder of the at least one mould basic material inside the tight core shell (2). The invention is related as well to a mould core (1) made by said method.