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. 22, 1986
Filed:
May. 21, 1984
Applicant:
Inventors:
Antti Lehtinen, Jyvaskyla, FI;
Vaino Sailas, Vaajakoski, FI;
Markku Lampinen, Turku, FI;
Bjarne Ekberg, Turku, FI;
Assignee:
Valmet OY, , FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21F / ;
U.S. Cl.
CPC ...
162199 ; 162204 ; 162205 ; 162217 ; 162275 ; 162358 ; 162367 ; 34-9 ; 34 16 ; 34 95 ; 34 92 ; 4283159 ; 4283166 ;
Abstract
An apparatus, method and band for forming and/or dewatering a fibrous web, in which the web or a pulp suspension layer forming the same is conveyed and supported through a significant portion of its run in a paper machine by a specific processing band, while liquid such as water is simultaneously removed therefrom by hydraulically contacting the same with liquid present under vacuum or underpressure within the processing band, through a finely porous, liquid-suction surface on the band that is saturated with liquid.