| 摘要 |
<p>The fitting is placed inside a chimney, especially a flue for an oven kept in operation over a long period of time, and comprises a disc (1) with a geometric arrangement of cut-out sections (3). The disc is radially mounted in a frame, from which it can not be removed. An independent claim is also included for a similar disc for mounting inside an exhaust pipe, especially for an oven kept in operation over a long period of time, which has teeth (4) joined to it and extending in the radial direction.</p> |
