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. 25, 2020
Filed:
Apr. 25, 2016
Spinnova Oy, Vaajakoski, FI;
Johanna Liukkonen, Jyväskylä, FI;
Sanna Haavisto, Jyväskylä, FI;
Pasi Selenius, Lievestuore, FI;
Juha Salmela, Laukaa, FI;
Janne Poranen, Muurame, FI;
Spinnova Oy, Vaajakoski, FI;
Abstract
The present invention discloses a method for the manufacture of fibrous yarn. The said method includes the steps of providing an aqueous suspension having fibers and at least one rheology modifier, followed by directing said suspension through at least one nozzle, to form at least one yarn. The method further includes subjecting the said at least one yarn to dewatering. The method is characterized in that a hydrogel is provided onto surface of the yarn that exits the at least one nozzle. Further disclosed is a system for manufacture of fibrous yarn and the fibrous yarn so produced during the manufacturing.