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| Number | Title | Issue Date |
| 7175744 | Apparatus for treating a wire or a felt band in a papermaking installation An apparatus for the treatment of, in particular for vacuum action upon, the at least one wire or at least one felt band in a papermaking plant. The wire or felt band is moved in circulation by the apparatus, which, if appropriate, is connected to a vacuum source. T... | 02/13/2007 |
| 7169262 | Method and apparatus for forming a paper or tissue web A method and apparatus for transferring vibrational forces to a wire of a papermaking machine for forming a web on the wire and for dampening vibrations imparted to the papermaking machine. In some embodiments, the apparatus is a vibrational device including a vibra... | 01/30/2007 |
| 7101462 | Method and apparatus for forming a paper or tissue web A method and apparatus for transferring a vibrational force to the wire of a papermaking machine in order to re-align the fibers of the web forming on the wire or to clean press section felts. In some embodiments, the apparatus is a vibrational device including at l... | 09/05/2006 |
| 6780286 | Adjustable activity drainage box A process, and an apparatus, for improving sheet properties in the initial impingement zone of a paper making machine including a forming section, a forming fabric moving in the machine direction and a head box having a head box slice which delivers a stock jet onto... | 08/24/2004 |
| 6702925 | Method and apparatus for forming a paper or tissue web A method and apparatus for transferring a vibrational force to the wire of a papermaking machine in order to re-align the fibers of the web forming on the wire or to clean press section felts. In one preferred embodiment, the apparatus is a vibrational de... | 03/09/2004 |
| 5681430 | Activity induction in papermaking The apparatus of the present invention is a papermaking machine with a forming fabric in a looped configuration. The forming fabric carries paper stock through the papermaking process. The forming fabric passes over a liquid-filled cavity which is bounded... | 10/28/1997 |
| 5306394 | Turbulence roll for a web former A turbulence roll for a web former. The roll generates high frequency small-scale vibration in the stock on the forming fabric whereby fluidization of the partially formed fiber mat and dispersion of fiber flocs in the stock is brought about. The turbulen... | 04/26/1994 |
| 4999086 | Dispersion roll in a fourdrinier machine In a Fourdrinier paper making machine a dispersion roll mounted between the headbox and the suction and dewatering means, underneath in contact with the Fourdrinier travelling fabric and extending laterally across the width of the fabric, and adapted to r... | 03/12/1991 |
| 4306934 | Method and apparatus for forming paper The wet end of a fourdrinier paper machine includes a transversely disposed roll beneath the wire. The roll is shaped and mounted for rotation at a speed which is different from the speed of the wire to create pulses of negative pressure beneath the wire ... | 12/22/1981 |
