Textiles: manufacturing – Textile product fabrication or treatment – Fiber entangling and interlocking
Patent
1997-11-10
2000-05-02
Vanatta, Amy B.
Textiles: manufacturing
Textile product fabrication or treatment
Fiber entangling and interlocking
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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Fleissner GmbH & Co. Maschinenfabrik
Vanatta Amy B.
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