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. 21, 2004
Filed:
Dec. 05, 2002
Applicant:
Inventors:
Kari Juppi, Palokka, FI;
Antti Komulainen, Keuruu, FI;
Assignee:
Metso Paper, Inc., Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21F 1/36 ;
U.S. Cl.
CPC ...
D21F 1/36 ;
Abstract
A paper web (w) is passed from the press section ( ) to the drying section in a paper machine. The drying section has at least one transfer suction roll ( ) for passing the web in a closed draw from the transport belt ( ) of the press section to the drying wire (F) of the first cylinder drying group ( ). The cylinder drying group has at least one vacuum box ( ) stabilising the travel of the web. A high negative pressure is maintained in the transfer suction roll, this pressure being between −35 kPa and −80 kPa in order to attach the web to the drying wire.