METHOD AND APPARATUS FOR THE TREATMENT OF A MATERIAL WEB AND FOR CONTROL OF THE BEHAVIOR OF A MATERIAL WEB
The solution of the invention relates to a method and apparatus for the treatment of a paper web in a paper or cardboard machine. The essential feature of the solution of the invention is that a moving material web (1), its properties and/or its behavior are influenced by the use of a gas (2) by causing the gas (2) to flow substantially toward the material web or to its immediate vicinity.