Patent ID: 7934534

Claim:
A method to produce moulds or cores from a mixture (M) comprising sand or moulding material and a binder, comprising shooting the mixture (M) via at least one shooting unit ( 2 ) from said unit through at least one shooting opening ( 7 ) arranged at a shooting plate ( 5 ) into a moulding or core tool ( 8 ) and subsequently hardening the mixture, and at least between two shooting processes moistening an area of the at least one shooting opening ( 7 ) via a liquid or water or keeping the area of the at least one shooting opening ( 7 ) moist, and atomizing the liquid or water ( 15 ) serving to moisten the area via ultrasound so that the liquid or water is a suspendable aerosol that is fed to the area of the at least one of the shooting opening ( 7 ), or the shooting unit ( 2 ) or the shooting head.