Patent ID: 6425344
Filing Date: 2002-07-30
Classification: A41D,B05B,B05C,B05D,D06N

Abstract:
A device for coating a surface of a continuously delivered material web with a first paste-like plastic layer deposited on said surface in sections and a second layer of thermoplastic plastic powder flatly scattered over said surface, wherein the device comprisesa coating arrangement for depositing the first layer on said surface of the web, a scattering arrangement for scattering said powder onto said surface of the web, means for conveying the web from said coating arrangement to said scattering arrangement, a treatment arrangement for thermally treating the coating web arranged after said scattering arrangement and at least one air jet above the surface of the web and directed against the surface of the web at an angle of 80Â° to 30Â° for swirling up the powder between said scattering arrangement and said treatment arrangement, suction means for removing the powder which is swirled up, and an ionisation arrangement disposed in the path of said air jet for ionising the air jet and for producing an electrical alternating field.