Patent ID: 6596127
Filing Date: 2003-07-22
Classification: D21F

Abstract:
Method of producing a paper having a three dimensional pattern of alternating raised and recessed portions by impulse drying, comprising the steps of:passing a wet paper web through at least one press nip having a rotatable heated roll; imparting a three dimensional pattern of alternating raised and recessed portions to the paper web during passage through the at least one press nip using at least one of a patterned wire, band or belt and a pattern on the heated roll, said imparting step pressing the three dimensional pattern into the paper web against a counter means; and withdrawing the paper web without creping so as to maintain the three dimensional pattern imparted in said imparting step, wherein after the press nip, the paper web is led around at least 180Â° of the periphery of the heated roll in order to provide an additional drying of the paper web while the paper web is still in contact with the heated roll.