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.

Date of Patent:
Oct. 05, 2021

Filed:

Nov. 19, 2018
Applicant:

Valmet Aktiebolag, Sundsvall, SE;

Inventors:

Dennis Jewitt, Sevenoaks, GB;

Mattias Johansson, Kil, SE;

Scott McClure Wightwick, Safety Beach, AU;

Anders Lindén, Karlstad, SE;

Martin Emanuelsson, Skoghall, SE;

Assignee:

VALMET AKTIEBOLAG, Sundsvall, SE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F 7/12 (2006.01); D21F 5/18 (2006.01); D21F 1/32 (2006.01);
U.S. Cl.
CPC ...
D21F 5/181 (2013.01); D21F 1/32 (2013.01); D21F 7/12 (2013.01);
Abstract

The invention relates to a drying section and comprises one or more through air drying cylindersand a permeable fabricthat runs in a loop and wraps part of the circumference of each through air drying cylinder. The loop of the fabricis divided in a web-carrying partand a conditioning part. The web-carrying part extends from a receiving pointto a transfer pointwhere a fibrous web is transferred to a further component. The conditioning part extends from the transfer pointto the receiving point. The conditioning part has a cleaning sectioncomprising a showerto wash residue from the fabric. A dewatering sectionis arranged to act on the fabricafter the cleaning section and comprises one or several suction dewatering devices. An applicator sectionis arranged in the conditioning partafter the dewatering section. The applicator section comprises an applicatorfor applying release agent on the fabric. The dewatering sectionof the fabric loop comprises a substantially vertical run VR of the fabric which does not deviate more than 30° from a vertical plane and a suction dewatering deviceis placed along the vertical run of the fabricon the web-contacting side of the fabric. The dewatering section either comprises a further suction dewatering device placed along the vertical run of the fabric on the side of the fabricthat is opposite the web-contacting side or it has room for installing a further suction dewatering device of the same size as the suction dewatering devicethat is located on the web-contacting side of the fabric.


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