scope:

This European Standard applies to design, manufacturing, installation, transportation, electrical equipment and cleaning of derinding-, skinning-, and membrane removal machines (see Figures 1 to 5). The machines described in this standard are used for derinding-, skinning- and membrane removal of meat and fish by cutting at a blade device. Derinding-, skinning-, and membrane removal machines for domestic purposes and table-top machines are not covered by this standard. This standard only applies to machines which are manufactured after the date of issue of this standard. This standard covers the following types of machines: - Open derinding machines with infeed table and a distance between the floor and the surface of the infeed table from 800 mm to 1 050 mm. - Automatic derinding machine with infeed, hold down, and outfeed device and a distance between the floor and the surface of the infeed device, e.g. conveyor belt between 800 mm and 1 050 mm. - Open skinning- and membrane removal machine with infeed table and a distance between the floor and the surface of the infeed table between 800 mm and 1 050 mm. Derinding-, skinning- and membrane removal machines consist mainly of a machine frame, tooth roll with stripper comb, hold down roller with stripper rake, transport roll with stripper roll and air jet cleaning blade device and electrical, electronic, or pneumatic components, depending on the machine type. Derinding-, skinning- and membrane removal machines can e.g. be equipped with a: - infeed and outfeed table; - infeed- and outfeed conveyor belts; - blade device; - double blade; - hold down device, (e.g. hold down rollers, belts or fingers); - circular knives inside or instead of hold down rollers; - stripper comb/stripper roll/stripper rake. Derinding-, skinning- and membrane removal machines can be mobile (see Figures 1 and 3).