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:
Apr. 26, 2011
Filed:
Feb. 11, 2005
Kari Räisänen, Muurame, FI;
Antti Poikolainen, Jyväskylä, FI;
Kari Räisänen, Muurame, FI;
Antti Poikolainen, Jyväskylä, FI;
Metso Paper, Inc., Helsinki, FI;
Abstract
A multi-layer web formation section has two successive wire units () with a common wire (). A first headbox () supplies fiber pulp to the first wire unit () forming a first partial web (W). A second headbox () supplies a new fiber pulp layer to the forward end of the second wire unit () atop the first partial web. A first non-pulsating dewatering zone (Z) in the forward end of a two-wire stretch of the second wire unit () has a first formation shoe () with a curved cap () placed on the side of the new layer having openings () extending through the cap () with an under-pressure (P) affecting therethrough. A two-wire stretch of the second wire unit () has a second pulsating dewatering zone (Z) formed by fixed dewatering lists (), between which there are gaps () and an under-pressure (Pb) affecting in these.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile