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. 30, 2001
Filed:
Sep. 22, 1999
Jan Martin Bengtsson, Karlstad, SE;
Erik Brox, Forshaga, SE;
Leif Erik Helgesson, Karlstad, SE;
Kjell Sune Evald Jansson, Forshaga, SE;
Anna Malin Katarina Kilian, Karlstad, SE;
Jan Wilhelm Nicander, Karlstad, SE;
Nils-Erik Säfman, Karlstad, SE;
Kenth Roger Törnqvist, Karlstad, SE;
Valmet Karlstad AB, Karlstad, SE;
Abstract
A press section in a machine for manufacturing a web of fibrous material, comprising a shoe press with extended press nip, the shoe press having a counter roll with a cylindrical press body; a press shoe with a concave surface for cooperation with the press body; an impermeable belt running through the press nip in sliding contact with the press shoe; a clothing running in a loop around guide rolls and through the press nip in contact with the web, and being capable of receiving and carrying liquid along with it; a movable heat transfer means for continuous transfer of heat to the web in the extended press nip; and a heat source for heating the heat transfer means. According to the invention the counter roll comprises a sleeve that forms the heat transfer means and encloses the press body. The invention also relates to a shoe press, a press section with a roll press, and treatment sections with roll and shoe calendars with sleeves of the type described.