Wire section for a paper machine

Details Wire section for a paper machine Wire section for a paper machine

D - Textiles, Paper

21

F

D21F 9/00 (2006.01)

Patent

CA 2182569

The invention relates to a wire section for a paper machine comprising a forming cylinder (1), a felt (2) and a wire (3), both wrapping around the forming cylinder (1), with the felt (2) disposed on the inside and the wire (3) on the outside, and forming a gap (4) for receiving a machinewide jet of stock suspension or a pre-dewatered paper web; the forming cylinder has a rotatably mounted perforated shell. The invention is characterized by the following features: at least part of the wraparound zone of the forming cylinder can be pressurized from the inside.

L'invention concerne une partie toile destinée à une machine à papier comprenant un cylindre de façonnage (1), un ruban de feutre (2) et un ruban de toile (3). Ces deux rubans entourent le cylindre de façonnage (1), le ruban de feutre (2) étant situé à l'intérieur et le ruban de toile (3) à l'extérieur, et forment une fente (4) destinée à loger un jet de pâte de la largeur de la machine, ou une bande de papier préalablement égouttée. Le cylindre de façonnage comporte une gaine rotative perforée. L'invention est caractérisée en ce qu'au moins une partie de la zone entourant le cylindre de façonnage peut être mise en pression par l'intérieur.

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