Conductive seal as well as a method and apparatus for its production

An apparatus for executing for producing a conductive seal made of an elastically curing sealing material intermixed with conductive particles that is directly applied from an extruder onto a first sealing surface while still in its plastic state, the extruder being movable in accordance with the shape of a second sealing surface above the first sealing surface to dispense sealing material onto said first sealing surface, the method being characterized in that magnetic particles are intermixed with the sealing material prior to or after extrusion and that, after the sealing material has been applied onto the first sealing surface (5) and subsequent curing of just a surface layer, a magnetic field is generated over a specific period of time using an electromagnetic plate (7) placed above an extruded sealing roving (1′) and the sealing roving (1′) that adheres to the first sealing surface (5) is stretched towards the electromagnetic plate (7) and molded into a finished seal (1) due to the action of magnetic forces on the magnetic particles, the apparatus being characterized in that the electromagnetic plate (7) can be moved horizontally and vertically, that can for a limited time be connected to a power source to generate a magnetic field, and that can be positioned at a specific height on, or at a distance above the extruded sealing roving (1′).

A conductive seal for electromagnetic and material sealing between a first sealing surface and a second sealing surface, comprising an elastically curing material, intermixed with conductive particles, the seal being produced in accordance with a method in which the elastically curing material intermixed with conductive particles is directly applied from an extruder onto the first sealing surface while still in its plastic state, the extruder being movable in accordance with the shape of the second sealing surface, the method being characterized in that magnetic particles are intermixed with the sealing material prior to or after extrusion and that, after the sealing material has been applied onto the first sealing surface (5) and subsequent curing of just a surface layer, a magnetic field is generated over a specific period of time using an electromagnetic plate (7) placed above an extruded sealing roving (1′) and the sealing roving (1′) that adheres to the first sealing surface (5) is stretched towards the electromagnetic plate (7) and molded into a finished seal (1) due to the action of magnetic forces on the magnetic particles, the seal being characterized in that the seal has a cross section that stretches towards the second sealing surface to improve the sealing effect and to compensate height variation of a sealing gap and the freshly extruded (1′) sealing roving.