Drying and gas or vapor contact with solids – Process – Mechanical liquid removal
Reexamination Certificate
2006-06-08
2008-09-30
Rinehart, Kenneth B (Department: 3749)
Drying and gas or vapor contact with solids
Process
Mechanical liquid removal
C034S306000, C034S453000
Reexamination Certificate
active
07428786
ABSTRACT:
A method for manufacturing a fiber web having a three-dimensional surface structure and a strength. The method includes the steps of pre-imprinting the fiber web, pressing the fiber web and forming the fiber web. The pre-imprinting step pre-imprints the fiber web at a dry content of less than 25% with an imprinting band using a first pressure field. The pressing step presses the fiber web onto the imprinting band using a second pressure field. The pressing step further dewaters and dries the fiber web fixing the three-dimensional surface structure and the strength. The forming step forms the fiber web on the imprinting band.
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Beck David A.
Herman Jeffrey
Scherb Thomas Thoröe
Rinehart Kenneth B
Taylor & Aust P.C.
Voith Paper Patent GmbH
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