METHOD FOR PREPARING A CASTING MOULD

摘要

The invention concerns a method which consists in providing in the mould (1) first half (1a) a recess (2) forming a pouring cup (2) emerging at the joint face (4), in a housing (5) having in its upper part a top opening (6); providing in the mould (1) second half (1b) a second recess (8) having at the joint face (4) an opening with smaller dimensions than the housing corresponding dimensions; in assembling the two half-moulds (1a, 1b) along the joint face (4) and inserting in the housing (5), substantially vertically through the top opening (6) thereof, a filter (12) for filtering the melting metal.