The invention relates to an electric machine excited by a permanent magnet. Therefore, the cap can abut to the ejecting head with a weak pressing force during the time when the negative pressure is not introduced, it can be avoided that the cap abuts to the ejecting head with a significant pressing force over a long time, and collapse of the cap can be significantly suppressed. The website server dispatches the XML transactions to an IBM server for processing thereby. The swollen starch-latex composition is then rapidly mixed with the filler slurry, preferably in a static mixer, and added to the papermaking furnish at a point prior to the headbox of the paper machine.