Device for hydrodynamic needling of fleeces, tissues, or the lik

Textiles: manufacturing – Textile product fabrication or treatment – Fiber entangling and interlocking

Patent

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Details

28105, 28167, D04H 146

Patent

active

060557109

ABSTRACT:
The permeable drum for needling tissues, nonwovens, or other permeable materials of a certain width consists of a normally perforated sheet metal drum on which strips that are thin and extend axially over the length of the drum are arranged with small distances between them around the drum. The strips radially support a very thin sheet metal jacket with microfine perforations and produce a uniform flow of liquid through the material that rests externally against the sheet metal jacket. The strips can be joined together for example to form a honeycomb profile and thus uniformly transfer the hydrodynamic load developed during needling to the screen drum.

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