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INRICHTING VOOR HET AANBRENGEN VAN EEN DIELEKTRISCHE FILM OP EEN VOORTBEWEGEND ELEKTRISCH GELEIDEND OPPERVLAK.

申请公布号:NL186850(C)

申请号:NL19790000489

申请日期:1979.01.22

申请公布日期:1991.03.18

申请人:
LA CELLOPHANE TE PARIJS, FRANKRIJK.

分类号:B29C47/88;H01T19/00

主分类号:B29C47/88

摘要:Process and apparatus for electrostatically pinning a dielectric film to a moving surface which is electrically conducting and connected to a grounded fixed potential comprising a corona wire fed with a direct current and a semi-cylindrical metal counter-electrode connected to a potential which is approximately equal to the potential of the moving surface. When extruding a molten mass of polymer onto a cooling surface, a substantial increase in the speed of application is observed. The best results are obtained when the radius of the counter-electrode is approximately equal to the distance between the corona wire and the moving surface.

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