Siebpartie für eine Papiermaschine

摘要

The invention concerns a wire section for a paper machine with a forming cylinder (1), with a felt band (2) and a wire band (3) which both loop around the forming cylinder (1), the inner felt band (2) being on the inside and the wire band (3) being on the outside, and define a receiving slot (4) for a machine-wide pulp jet or a paper web which has undergone preliminary de-watering. The forming cylinder has a perforated outer casing which is mounted in such a way that it can rotate. The invention is characterised by the following features: at least part of the looping zone of the forming cylinder can be pressurized from inside.