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. 08, 2023
Filed:
Dec. 17, 2020
Andritz Küsters Gmbh, Krefeld, DE;
Eduard Davydenko, Grefrath-Oedt, DE;
Andreas Pesch, Krefeld, DE;
Andritz Küsters GmbH, Krefeld, DE;
Abstract
Device for applying a treatment substance (), in particular starch, on at least one side of a running product web (), in particular a paper or board web, by means of a least one curtain coater () having a discharge nozzle () and at least one press nip (N) following the curtain coater () for forming a hydraulic pressure when the product web () passes through a press nip (N) which is formed by one of two rotating press rolls and which causes the treatment substance () to penetrate into the product web (), wherein the at least one press nip (N) is equipped with at least one heated applicator roll () as a press roll to increase the penetration of the treatment substance () into the product web (), and at least one of the two press rolls () is designed with a fixed or adjustable crown () for the adjustment of a line load in a range of 20 to 200 kN/m.