Method and moulding devices for moulding three-dimensional products

A mass feed member for feeding a meat mass to a mould cavity in an outer circumference of a drum of a moulding device, comprising:

• a housing with an inlet side and a drum side which faces the drum, and walls;
• a through-passage provided in the housing for the meat mass to pass from an inlet towards an outlet located on the drum side, the drum side being designed to adjust in a sealing manner to irregularities in the outer circumference of the drum;
• a plate located at the drum side of the housing;
• a plurality of radially movable lamellae movably supported between the walls of the housing, extending transversely with respect to the direction of rotation of the drum;
• and
• one or more pressure cushions provided between an inner wall of the housing and the lamellae, wherein the lamellae are arranged between the pressure cushion and said plate, and wherein the plurality of lamellae and the one or more pressure cushions apply a pressure to said plate to flexibly bear against the outer circumference of the drum.