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:
Dec. 30, 2003
Filed:
Jan. 18, 2002
Michael Odell, Jyväskylä, FI;
Metso Paper, Inc., Helsinki, FI;
Abstract
A twin-wire former in a paper machine has two forming wire loops ( ), which define between themselves a twin-wire zone. At least one dewatering box ( ) is located inside one of the wire loops ( ) to remove water through the wire from a web (W) being formed. At least one loading blade ( ) is located opposite the dewatering box ( ) inside the other wire loop ( ) in contact with the other wire. The dewatering box ( ) includes at least three successive dewatering zones ( ) in which every second zone ( ) has a vacuum (p) and every second zone ( ) is vacuum-free. The at least one loading blade ( ) is placed inside one of the wire loops ( ) at a location where it is opposed by a respective vacuum-free zone ( ), which is preceded and followed by a vacuum zone ( ).