B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 19/28 (2006.01) B65H 27/00 (2006.01)
Patent
CA 2577825
The aim of the invention is to improve devices (3) for transporting material webs (1) and for fixing said webs (1) on a counter bearing (4). Said devices (3) have the following characteristics: at least one transport roll (2, 2a, 2b) for transporting the material webs (1) and means for applying an electrostatic charge (q) to at least parts (8) of the material web (1), whereby the electrostatic forces of said charge (q) aid in the fixing of said parts on a counter bearing. The invention is characterised in that at least one transport roll (2, 2a, 2b) comprises means for applying an electrostatic charge (q) to at least parts (8) of the material web (1). The invention also relates to a method for operating a device of this type.
L'invention vise à améliorer des dispositifs (3) pour transporter des bandes de matériau (1) et pour les (1) fixer sur un contre-appui (4). A cet effet, ces dispositifs (3) comprennent au moins un cylindre de transport (2, 2a, 2b) pour transporter les bandes de matériau (1) et des moyens pour alimenter au moins des parties (8) d'une bande de matériau (1) en charge électrostatique (q), dont (q) la force électrostatique sert à fixer ces parties sur un contre-appui. L'invention est caractérisée en ce qu'au moins un cylindre de transport (2, 2a, 2b) comporte des moyens pour alimenter au moins des parties (8) d'une bande de matériau (1) en charge électrostatique (q). La présente invention porte également sur un procédé pour faire fonctionner un dispositif de ce type.
Frische Holger
Ratz Gerd
Shapiro Cohen
Windmoeller & Hoelscher Kg
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