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:
Nov. 27, 2007
Filed:
Aug. 26, 2003
Antti Poikolainen, Jyväskylä, FI;
Aimo Närväinen, Palokka, FI;
Antti Poikolainen, Jyväskylä, FI;
Aimo Närväinen, Palokka, FI;
Metso Paper, Inc., Helsinki, FI;
Abstract
A web is formed between two wire loops (), in a wire section of a paper or board machine, in connection with which dewatering elements () are placed and in which water is drained from a stock suspension from between the two wires (). In the region of a twin-wire zone, a suction roll () is placed within one wire loop and a suction box () having a curved surface is situated in opposed relationship with the suction roll () on the wire loop. After the suction box (), the web is guided, due to the effect of a vacuum of the suction roll (), forwards on the surface of the wire loop of the suction roll ().