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:
Jun. 23, 1992
Filed:
Mar. 25, 1991
Jouko Stenvall, Vihtiala, FI;
Oy Tampella AB, Tampere, FI;
Abstract
A method and an arrangement for passing a fibre web (25) from a wire (3) of a former (1) through a press section (2) including at least three nips (N1, N2, N3) each formed by a pair of press rolls. The method involves transferring the web (25) from the wire (3) onto a sucession of press felts (7) and passing it through the nips (N1, N2, N3) so that it is all the time from the separating point of the web (25) and the wire (3) at least up to the third nip (N3) supported on both sides and in contact with at least one felt (7, 13, 18) acting as a support element. Another support element includes suction zones in various ones of the press rolls for causing air pressure to press the web against the press felt on which it is being conveyed. The arrangement includes press rolls (6, 8, 12, 15, 16) forming at least three nips (N1, N2, N3), and at least one press felt (7, 9, 13, 18) for each nip (N1, N2, N3), and support elements for supporting the web (25) on both sides all the time from the separating point of the web (26) and the wire (3) at least up to the third nip (N3).