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:
Oct. 25, 1988
Filed:
Oct. 22, 1986
Applicant:
Inventor:
M Juhani Salovaara, Kuusankoski, FI;
Assignee:
Tamfelt Oy Ab, , FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21F / ;
U.S. Cl.
CPC ...
162208 ; 162211 ; 162217 ; 162349 ; 162363 ;
Abstract
A method and apparatus are provided for the adjustment of the dewatering in the wire section of a paper machine. A fiber web is fed on to a forming wire, and the forming wire is passed over the surface of at least one dewatering means and a partial vacuum dependent on the difference in the speeds of the wire and said surface is created under the forming wire. An additional movable wire is positioned to move between the forming wire and the dewatering means and the dewatering is adjusted according to the kind of the fibre web to be dewatered, by adjusting the speed of the additional wire independently of the speed of the forming wire.