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:
Feb. 10, 2026
Filed:
Jan. 02, 2024
Valmet Technologies, Inc., Espoo, FI;
Jaakko Haapanen, Järvenpää, FI;
Mikko Rämä, Järvenpää, FI;
Valmet Technologies, Inc., Espoo, FI;
Abstract
A slitter-winder for fiber webs has an unwinding section (), a slitting section () and a winding section () and is configured to unwind, slit and wind a thick fiber web having a basic weight of at least 200 g/mto customer rolls (). The unwinding section () has a first unwinder () and a second unwinder () for unwinding the thick fiber web from a parent roll of full-width thick fiber web (W, W), and a joining device () for joining a beginning end of a thick fiber web (W) coming from a parent roll in the first unwinder to an end of a thick fiber web (W) coming from a parent roll in the second unwinder by forming a joint (J). The winding section () has a cutting device () for cutting and removing joint part(s) of the thick fiber web from the winding section ().