The invention relates to the design of a food forming drum (2) which will be used for moulding food in shaped products. The application field wherein the drum will operate is the field of human consumption and pet food and reaches from meat products (poultry, pork, beef, etc), meat replacement products, fish, dairy to potatoes and vegetables products. Particularly, the present invention relates to a food forming drum comprising an inner member (24) with an inner cylinder (16) and a multitude of ribs (17) extending in radial direction from the inner cylinder and with at least one porous member, made from a porous material with interconnecting pores, connected to the ribs and wherein a multitude of rows with product cavities, each row comprising one or a multitude of product cavities, are provided in the porous member(s). The present invention further relates to a method to produce such drums.

A cleaning device for cleaning a surface of an extension roller of a dough extension apparatus includes a cleaning device body attached to the dough extension apparatus, and a band-like flexible cleaning member attached to the cleaning device body. The cleaning member includes ends and a cleaning portion with a cleaning surface. One end or both ends of the cleaning member is/are secured to the cleaning device body, and the cleaning portion hangs down, so that the cleaning surface of the cleaning portion is configured to contact the surface of the extension roller of the dough extension apparatus to be deformed and bent to correspond to the surface of the extension roller.