Patent ID: 8747934

Claim:
A system for moulding three-dimensional products from a mass of one or more food starting materials which are suitable for animal or human consumption, which system comprises: a production device having: a frame; a mould drum provided with one or more mould cavities, the mould drum being rotatably supported with respect to the frame about an associated axis of rotation, each of the one or more cavities having an opening in at least one drum surface, an outer portion of the mould drum comprising a porous material, such that a mould cavity wall is at least partially porous, an inner member of the mould drum being adapted to fit into the outer portion of the mould drum, and forming, together with an adjoining surface of the outer portion of the mould drum, one or more passages which extend from one head-end of the mould drum, to permit a medium to be forced through the porous mould cavity wall and/or suction to take place via at least one said passage; and a mass feed device for feeding the mass to the one or more mould cavities of the mould drum, wherein the mass feed device comprises one or more mass feed members disposed along the at least one drum surface; and a mould drum cleaning device for forcing at least one cleaning liquid from an inside of the mould drum to an outside of the mould drum, the at least one cleaning liquid passing through at least one passage leading to the at least partially porous mould cavity wall into the one or more mould cavities, wherein the mould drum cleaning device comprises: a support for rotatably supporting the mould drum that is to be cleaned; a drive for driving the mould drum to be cleaned in rotation; and a housing to form a closed chamber in which cleaning can take place.