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:
Sep. 09, 2003
Filed:
Mar. 28, 2001
Applicant:
Inventors:
Alexander Wassermann, Vienna, AT;
Manfred Feichtiger, St. Pölten, AT;
Thomas Nagler, St. Pölten, AT;
Assignee:
Voith Paper Patent GmbH, Heidenheim, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21F 1/00 ; D21F 1/166 ;
U.S. Cl.
CPC ...
D21F 1/00 ; D21F 1/166 ;
Abstract
A machine for the manufacture of a multi-layer fibrous web includes at least two fibrous web layers and at least two formers; the fibrous web layers each having a lower fines side with a lower fines content and a higher fines side with a higher fines content; and the formers include a first former and a second former, at least one of the two formers being a gap former, with the second former including a couch roll defining a couching zone whereat the lower fines side of the first fibrous web layer is brought into contact with the lower fines side of the second fibrous web layer.