Paper making and fiber liberation – Apparatus – Running or indefinite length product forming and/or treating...
Patent
1997-08-25
2000-02-29
Hastings, Karen M.
Paper making and fiber liberation
Apparatus
Running or indefinite length product forming and/or treating...
162901, 492 30, D21F 308
Patent
active
060305037
ABSTRACT:
Press sleeve for de-watering a material sheet in a press nip having a width. The press sleeve may extend transverse to a travel direction of the material sheet and may include a flexible material, a pressing area, adapted to form the press nip, having two ends, end sections positioned adjacent to each end of the pressing areas, and recesses located on an exterior surface to take up water. The press sleeve may also include outer sections including portions of the pressing area and portions of the end section, an inner section including a portion located between the outer sections. The recesses located within the outer sections may include a plurality of recesses having a limited length in the travel direction and the recesses located within the inner section may include grooves substantially extending endlessly in the travel direction.
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Kohler, "Erfahrungen mit Polyurethan-Walzenbezugen bei der Herstellung Merlagiger bahnen," Wochenblatt fur Papierfabrikation, vol. 20, pp. 905-908 (1987).
Hastings Karen M.
Voith Sulzer Papiermaschinen GmbH
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