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. 20, 2016
Filed:
Aug. 21, 2015
Applicant:
Wetend Technologies Oy, Savonlinna, FI;
Inventor:
Jouni Matula, Savonlinna, FI;
Assignee:
Wetend Technologies Oy, Savonlinna, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F 1/00 (2006.01); D21F 11/00 (2006.01); C04B 28/10 (2006.01); C01F 11/18 (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 17/00 (2013.01);
Abstract
A method of manufacturing a fibrous web including: preparing furnish of a thick stock component and filtrate, preparing foamed furnish by mixing a surfactant and gas into the furnish, introducing the foamed furnish to a headbox of a fiber web machine, and laying the foamed furnish on a wire or between wires of a wire section of a fiber web machine for forming the fibrous web, wherein the preparation of the foamed furnish by injecting the gas uses an injection liquid to the furnish.