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:
May. 26, 2009
Filed:
Jan. 14, 2005
Kari Juppi, Palokka, FI;
Antti Komulainen, Keuruu, FI;
Markku Lummila, Jyväskylä, FI;
Michael Odell, Jyväskylä, FI;
Martti Salminen, Jyväskylä, FI;
Riikka Antikainen, Muurame, FI;
Petter Honkalampi, Kinkomaa, FI;
Kari Juppi, Palokka, FI;
Antti Komulainen, Keuruu, FI;
Markku Lummila, Jyväskylä, FI;
Michael Odell, Jyväskylä, FI;
Martti Salminen, Jyväskylä, FI;
Riikka Antikainen, Muurame, FI;
Petter Honkalampi, Kinkomaa, FI;
Metso Paper, Inc., Helsinki, FI;
Abstract
An arrangement and method for improving runnability, and dryer section length, by using a vertical impingement dryer before a first dryer cylinder of a group of dryer cylinders. After a pressing section, the web is dried with a pre-impingement dryer, closely followed by a vertical impingement dryer, which is closely following by the first dryer cylinder. The pre-impingement dryer and vertical impingement dryer of the first dryer cylinder to have a drying temperature of approximately 80° C. with no undesirable sticking to the dryer cylinder. The pre-impingement dryer can be arranged to dry a first side of the web, and a vertical impingement dryer after the first dryer cylinder is arranged to dry a second side of the web. The impingement drying takes place directly against the web without an intervening fabric.