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:
Aug. 07, 2001
Filed:
Oct. 17, 1994
Applicant:
Inventors:
Jyrki Huovila, Muurame, FI;
Erkki Ilmoniemi, Vaajakoski, FI;
Michael Odell, Jyväskylä, FI;
Antti Suonperä, Jyväskylä, FI;
Assignee:
Valmet Paper Machinery Inc., Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F 1/00 ; D21F 1/100 ;
U.S. Cl.
CPC ...
D21F 1/00 ; D21F 1/100 ;
Abstract
A stock feed system for a multi-layer headbox and a method in the operation of a multi-layer headbox in which into each inlet header of the multi-layer headbox, a stock concept is passed which has been produced out of the same fresh stock by adding the necessary chemicals and fillers to separated portions of the fresh stock.