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    • 5. 发明专利
    • Joining plastic parts applied on a metallic carrier as connecting medium by induction heating, comprises inductively heating a plastic part, which is applied on flat sheet metal plate, from side opposite to side of flat sheet metal plate
    • DE102008004754A1
    • 2009-07-23
    • DE102008004754
    • 2008-01-16
    • BROSE FAHRZEUGTEILE
    • SEIFFARTH FRANKIMHOF STEFANHUFNAGEL LARS
    • C09J5/06B32B7/12C08J5/12
    • The method comprises inductively heating a plastic part, which is introduced in a plastic layer (2) or in the form of plastic pieces in an area-wise manner or as plastic cord on a flat sheet metal plate (1) or on a metal piece or a sheet metal plate covering a metal surface, from the side opposite to a side of the flat sheet metal plate, and bringing the plastic part superficially for melting by the induction heat. Induction coils (5) in distances to each other on the plastic layer or at the locations are introduced on the side opposite to the sheet metal plate. The method comprises inductively heating a plastic part, which is introduced in a plastic layer (2) or in the form of plastic pieces in an area-wise manner or as plastic cord on a flat sheet metal plate (1) or on a metal piece or a sheet metal plate covering a metal surface, from the side opposite to a side of the flat sheet metal plate, and bringing the plastic part superficially for melting by the induction heat. Induction coils (5) in distances to each other on the plastic layer or at the locations, at which plastic pieces or plastic cord are present, are introduced on the side opposite to the sheet metal plate to melt the plastic corresponding to the induction coils. A carpet (3), a textile layer or a sealing cord is introduced between the plastic layer and the induction coils or at the locations. An adhesive joint forms with the melted or melting plastic. The locations coated with plastic on its lower side of the plastic layer, the carpet having the plastic cord, the textile layer having a corresponding plastic element on its lower side or the sealing cord adhered with plastic on its lower side is applied on the flat sheet metal plate and is subsequently adhered by heating the plastics by the induction coils with the flat sheet metal plate. The induction coils are arranged at the lateral edges of the plastic layer. The plastic layer or the locations are joined with the sheet metal plate, carpet, textile layer or the sealing cord by pressing during or after the induction heating. The sealing cord or a sealing profile is introduced in a lower reception. A plate spot-wise coated with a meltable plastic serving as adhesive is pressed by a tool from above against the sealing cord or the sealing profile. The plastic is heated by the induction coils during pressing or after pressing. An independent claim is included for an arrangement for joining plastic parts introduced on a metallic carrier as connecting medium by induction heating.