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US 2022/0145500 A1Published application
Apparatus for the production of needle punched nonwovens
AssigneeAdler Pelzer Holding GmbH
InventorsSiegfried BERNHARDT, Volkmar SCHULZE
Life of this patent
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Abstract
An apparatus for the production of needle punched nonwovens makes it possible to introduce different materials via the nonwoven thickness and/or nonwoven width into the individual layers during their production.
Claims10
Apparatus for the production of multilayer needle punched nonwovens with the same or different materials and quantities over the nonwoven thickness and/or nonwoven width of the respective individual layers, comprising
- interspersing devices (4, 5, 6, 7) for applying the materials to at least one or more unneedled or needled fibre web layer(s) (1, 2), one or more of the interspersing devices (4, 5, 6, 7) being located between pickup conveyor belts (11, 12) of a card (10).
Dependencies are inferred from the claim text.