Voith Patent Gmbh

Cordts Monteiro Wagner

Martin Kemper

Thomas Martin

Heiko Held

A device and a method for the production of a fiber mat is suitable in particular for use in the production of packaging board or fibrous construction elements, from a fibrous source material. The method includes providing the fibrous source material, low-water processing of the fibrous source material in an airflow into raw material including individual fibers and/or fiber bundles, forming of the individual fibers and/or fiber bundles in the airflow by a dry forming method into a fiber mat in such a way that a spatial or three-dimensional structure is formed by the fiber mat and consolidation of the formed fiber mat. The specific volume of the fiber mat is greater than 1.6 cm/g, in particular greater than 2 cm/g, preferably greater than 3 cm/g, and the fiber mat thickness &#x2265;1 mm, in particular &#x2265;1.5 mm, preferably &#x2265;2 mm.

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Heidenheim, Germany

Cordts Monteiro Wagner