Procedure in the wet end of a paper machine

Details Procedure in the wet end of a paper machine Procedure in the wet end of a paper machine

D - Textiles, Paper

21

F

92/15.3

D21F 2/00 (2006.01) D21F 3/04 (2006.01)

Patent

CA 1076863

ABSTRACT OF THE DISCLOSURE: A process, in the web end of a paper machine, for detaching the paper web from a forming wire, for its transport to the press section without any open draw and for carrying out a dewatering pressing action, comprising the steps of: con- ducting a felt onto the web carried by the wire, and transfer- ring the web from the wire onto the felt, by using a transfer suction box which directs on the web a suction effect and deflects the web from the wire onto the felt, conducting the web and the felt on a predetermined portion of arc of a grooved and/or perforated roll located within a loop of the felt, sub- jecting from the outside of the roll the web and the felt on the portion of arc of the roll to a steam supply by which the web is heated and is supported from the outside by means of a overpressure present in the steam supply as the web changes its direction of travel, conducting the heated web on the felt to a first press nip, where it is pressed between a recessed sur- face roll and a smooth surface roll in view of dewatering, and conducting the web, after its detachment from the felt further onto the surface of the smooth surfaced roll.

291949

Affiliated with

Also associated with

Rating

Procedure in the wet end of a paper machine does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Procedure in the wet end of a paper machine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Procedure in the wet end of a paper machine will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-805664