Use of an air permeable paper sheet as support element for a stack of fabrics
AssigneeAhlstrom Lystil SA
InventorsChristophe Guillaumot, Didier Bigot
Life of this patent
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Abstract
The invention concerns an air permeable paper sheet as support element for a layer of fabrics (mat) on a production line in particular during the cutting phase. The invention is characterized in that said sheet has in its thickness pores or fine perforations distributed over the whole surface thereof, said sheet having a bulkiness or hand more than 2.5 cm3/g, enabling it to allow air to pass through by the suction effect produced from beneath its lower surface.
Claims11
A method for supporting a stack of fabrics on a manufacturing line, said method comprising placing the stack of fabrics on an air-permeable paper sheet having pores distributed over a surface thereof, and a bulk greater than or equal to 3.53 cubic centimeters per gram.
Dependencies are inferred from the claim text.