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:
Aug. 10, 2021
Filed:
Aug. 31, 2011
Anders Andersson, Stenungsund, SE;
Björn Larsson, Billdal, SE;
Kenth Johansson, Uddevalla, SE;
ESSITY HYGIENE AND HEALTH AKTIEBOLAG, Gothenburg, SE;
Abstract
A method for producing stacks of individual web sections involves: (a) directing the continuous web to a perforating station; (b) perforating the continuous web at predetermined intervals and forming sheets of web material between consecutive perforation lines extending laterally across the continuous web, the perforating being carried out via at least one perforation element arranged at the circumference of a perforation roller; (c) directing the continuous web to a cutting station; (d) cutting at second predetermined intervals the continuous web into web sections via a cutting element acting against an anvil element, to generate a clear cut or a tab-bond; (e) folding the web sections via a folding roll; and (f) stacking the folded web section to generate a stack of folded sheets.