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. 07, 2004
Filed:
Dec. 27, 2002
Applicant:
Inventors:
Pekka Koivukunnas, Järvenpää, FI;
Seppo Luomi, Järvenpää, FI;
Pekka Linnonmaa, Järvenpää, FI;
Mikko Tani, Tuusula, FI;
Assignee:
Metso Paper, Inc., Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B30B 1/300 ; B30B 3/04 ; D21F 3/00 ;
U.S. Cl.
CPC ...
B30B 1/300 ; B30B 3/04 ; D21F 3/00 ;
Abstract
A supercalender for calendering a paper web and a calendering arrangement for producing matte-quality paper web has a multiple-nip calender in which at least one of the calendering nips of the multiple-nip calender is an extended nip (N ) formed between a polymer roll ( ) and either a shoe roll ( ) or a calendering belt.