| 摘要 |
<p>A method for constructing armoured resistance elements provided with a finned disperser, characterised by comprising the following steps: preparing a pack of fins (2), each comprising at least one passage hole (3), forming a tubular metal sheath (4,5) and fixing it into the holes in said fins, inserting a resistive wire into said sheath, securing said wire to said sheath by adding magnesium oxide to which an expanding substance for said oxide has been added. <IMAGE></p> |
