This process is carried out by a setting out machine that consists of two rollers covered with sleeves, and a blunt spreading helical blade that stretches the hide.
Dollfus & Muller provides mixed sleeves, synthetic sleeves and for very sensitive leather, 100% wool sleeves. All the sleeves are perfectly dimensionally stabilized and treated to avoid any risk of fibre loss.
According to the sleeve type they are either with loose or tight fitting.

These setting out sleeves are used on the following machines : CM, Rizzi, Poletto, Turner, 3H, Huzhou Er Qing, Bergi, BMD, Kela, Mercier, Omac, SVIT, ...
| Type of leather | Production | Fitting | Process | Recommended felt | Characteristics | ||||
|---|---|---|---|---|---|---|---|---|---|
| Composition | Weight (g/m²) | Thickness (mm) | Water permeability l/h/10 cm² (under 2 bars of water pressure) | Lifetime | |||||
| Cow, Buffalo, Calf, Pig |
Shoes, automotive, upholstery |
Loose | Wet blue tanning | SAMO M 80 | 30% wool - 70% synthetic | 8000 | 16 | 280 | +++ |
| Cow, Buffalo, Calf, Pig |
Shoes, automotive, upholstery |
Loose | Vegetal tanning, greasy hides, after dyeing |
SAMO S 80 | 100% synthetic | 8000 | 16 | 270 | +++ |
| Sensitive leather Ex : Goat, Sheep |
Gloves, bags, garments |
Adjusted | Wet blue tanning | SAMO W 60 A | 100% wool | 4800 to 9600 |
10 to 20 |
depending upon the quality | ++ |
| Sensitive leather Ex : Goat, Sheep |
Gloves, |
Tight | Wet blue tanning | SAMO W 60 T | 100% wool | 4800 to 9600 |
10 |
depending upon the quality | ++ |