The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 24, 2002
Filed:
Apr. 02, 2001
Holger Hollmark, Stockholm, SE;
Lennart Reiner, Karlstad, SE;
Thomas Billgren, Kullavik, SE;
Kaveh Tondkar, Göteborg, SE;
Bengt Järrehult, Göteborg, SE;
Mats Söderberg, Sundsvall, SE;
SCA Hygiene Products AB, Gothenburg, SE;
Abstract
Method of producing an impulse dried paper having a three-dimensional pattern of alternating raised and recessed portions, which have been provided in connection with impulse drying, at which the wet paper web ( ) is passed through at least two press nips ( ), each comprising a rotatable heated roll ( ) which is heated and that the paper web during the passage through the press nips is given a three-dimensional pattern of alternating raised and recessed portions either by means of a patterned wire ( ′), -band or belt and/or by a pattern on the heated roll ( ).