Method and moulding devices for moulding three-dimensional products
The invention provides a method for moulding three-dimensional products from a mass of foodstuff starting materials which are suitable for consumption, in particular a meat mass. The method comprises the steps of filling a mould cavity, which is open on one side, with the mass of foodstuff starting materials which are suitable for consumption, which mould cavity is defined by a boundary comprising walls and base, in order to mould a moulded three-dimensional product, and the removal of the moulded three-dimensional product from the mould cavity. In the method according to the invention, during removal the adhesion forces between the moulded product and the boundary are eliminated virtually simultaneously along all the interfaces.
1. A mass feed member for feeding a meat mass to a mould cavity in an outer circumference of a rotatable drum of a moulding device, which the drum is rotatable in a direction of rotation in said moulding device about a horizontal axis, said mass feed member comprising:
a housing with an inlet side and a drum side which faces the drum;
a through-passage provided in the housing for the meat mass to pass from an inlet located on the inlet side, towards an outlet located on the drum side;
a flexible plastic plate adapted to be pressed against a part of the outer circumference of the drum, said flexible plastic plate extending at least downstream in the direction of rotation from the outlet of the through-passage and said flexible plastic plate being configured to flexibly bear to seal against said part of the outer circumference of the drum;
a plurality of elongated rigid ribs, which ribs are arranged at a side of the flexible plate facing away from the drum and in contact with said side, of the flexible plate which the rigid ribs extend transversely with respect to the direction of rotation of the drum and which the rigid ribs are spaced apart from one another in the direction of rotation of the drum, wherein said ribs are embodied to impart elongated lines of rigidity to said flexible plastic plate, which the lines of rigidity are spaced apart in the direction of rotation of the drum,
an excess-pressure device configured to be pressurized by compressed air and to act on said plurality of rigid ribs so as to press each of said rigid ribs in a radial direction relative to said horizontal axis onto the flexible plate and thereby pressing said flexible plastic plate against the outer circumference of the drum.
2. The mass feed member according to claim 1 , wherein a cutting device for the meat mass is provided at the outlet of the through-passage.
3. The mass feed member according to claim 1 , wherein the excess-pressure-device comprises at least one pressure cushion.