NBN EN 12355+A1:2010

1.1 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 European Standard relates to:
- derinding machines with tooth roll, hold down roller and blade device
- skinning- and membrane removal machines with transport- and stripper roll as well as a blade device.
This standard only applies to machines which are manufactured after the date of issue of this standard.
1.2 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.
Tooth form of the tooth roll:
Depth < 5,0 mm
Pitch < 6,5 mm
(see Figures 1 and 2)

Key
1
2
3
4
5
Tooth roll/
Transport roll
Blade
Discharge table
Blade holder
Infeed table
6
7
8
9
10
ON/ OFF Switch, cover
Foot switch
Drive
Locking device
Table height Key
1
2
3

Round product
Cutting thickness < 5 mm
Infeed table
4
5
6
7
8
Tooth roll
Blade holder
Blade
Rind
Stripper comb
Figure 1 - Derinding-, skinning- and membrane Figure 2 - System of an open derinding machine
removal machine
- 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.
Tooth form of the tooth roll:
Depth < 5,0 mm
Pitch < 12,0 mm
Hold down roller diameter 175 mm to 240 mm.
(see Figures 3 and 4)