Dr-Ing Dieter Viet,     Institut fur Textiltechnik of RWTH Aachen University, Otto-Blumenthal-Str. 1, 52074 Aachen, Germany. E-mail address: [email protected]

Dr-Ing Philip Jungbecker and , Dr-IngDieter Veit*,     Institut fur Textiltechnik of RWTH Aachen University, Otto-Blumenthal-Str. 1, 52074 Aachen, Germany. E-mail address: [email protected]

Professor Y.K. Kyosev,     Faculty of Textile and Clothing Technology, Hochschule Niederrhein - University of Applied Sciences, Webschulstr. 31, 41065 Monchengladbach, Germany. E-mail address: [email protected]

Professor Bohuslav Neckar and , DrMonika Vysanska [email protected],     Department of Textile Technologies, Faculty of Textile Engineering, Technical University of Liberec, Studentska 2, Liberec 461 17, Czech Republic. E-mail address: [email protected]