Apparatus for the manufacture of a structured fiber web

Details Apparatus for the manufacture of a structured fiber web Apparatus for the manufacture of a structured fiber web

2007-11-06

2007-11-06

Fortuna, José A. (Department: 1731)

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

C162S358300, C162S363000, C162S368000, C162S361000, C034S115000, C034S122000

Reexamination Certificate

active

10739470

ABSTRACT:
An apparatus for the manufacture of a structured fiber web including an imprinting fabric, a first pressure field device, a second pressure field device and a drying cylinder. The fiber web is formed and carried on the imprinting fabric with an initial dry content of less than 35%. The first pressure field device applies a first pressure field to the imprinting fabric and the fiber web, thereby pressing the fiber web onto the imprinting fabric, thereby pre-imprinting the fiber web. The second pressure field device applies a second pressure field to the imprinting fabric in the fiber web, thereby again pressing the fiber web onto the imprinting fabric, drying the fiber web and fixing a three-dimensional surface structure in the fiber web. The drying cylinder has the fiber web delivered thereto by the imprinting fabric.

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