| 摘要 |
<p>The converter-floating cone comprises a floating body (1), which has incombustible material and comprises a continuous channel in which a guide rod (2) protruding towards top and bottom from the floating body is inserted. The guide rod is equipped in its lower area with an incombustible covering (3) and is screwed with its covering in the floating body. The channel passes at its lower end in a thread bore introduced into the floating body, where a screw thread (3.1) introduced at upper end of the covering is screwed in the thread bore.</p> |
