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. 05, 2017
Filed:
Jul. 01, 2016
Applicants:
Wetend Technologies Oy, Savonlinna, FI;
Valmet Technologies Oy, Espoo, FI;
Inventor:
Jouni Matula, Savonlinna, FI;
Assignees:
Valmet Technologies Oy, Espoo, FI;
Wetend Technologies Oy, Savonlinna, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 17/63 (2006.01); D21F 11/00 (2006.01); C04B 28/10 (2006.01); C01F 11/18 (2006.01); D21F 1/00 (2006.01); D21H 17/00 (2006.01);
U.S. Cl.
CPC ...
D21F 11/002 (2013.01); C01F 11/181 (2013.01); C04B 28/10 (2013.01); D21F 1/00 (2013.01); D21H 17/63 (2013.01); D21H 17/00 (2013.01); Y02P 40/18 (2015.11);
Abstract
A method to form a fibrous web including: introducing a furnish to a headbox of a fiber web machine, wherein the furnish includes a thick stock component and a filtrate, injecting a gas into to the furnish to form a foamed furnish, and laying the foamed furnish on a wire or between wires of a wire section of the fiber web machine to form the fibrous web from the foamed furnish.