| 摘要 |
<p>An insulator (3) encloses par of an electrode bar (1), and a second insulator (5) encloses the fastened part of the electrode with an adjacent part of the insulator.$ The electrode bar, in connection with the support is arranged with a surrounding collar-shaped part (4) in a direction from the fastenable part of the bar having a surface formed to permit expansion of the adjacent end part of the insulator. The bar surface is conical and the part of the second insulator (5) surrounding the collar-shaped part and the adjacent part of the insulator has a conical transition to a second part with a reduced dia., permitting pressing against a surface of a fixture (2) for the electrode.$ Under the effect of a pressure spring (9), the conical surface is pressed against the fixture with the second insulator section surrounding the collar-shp;aed part being elastically colmpressed, as is also the first insulator the two parts thus assuming a sealed and pressed condition.$.</p> |
