The invention provides mass feed member (18) for feeding a mass of foodstuff starting materials which are suitable for consumption, in particular a meat mass, to a mould cavity in the outer circumference of the drum of a moulding device, comprising a housing (140) with an inlet side (144) and a drum (16) side which is to face the drum, a through-passage for mass to pass from an inlet towards an outlet (146) 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.