摘要 |
The invention concerns a device for solidifying an electrically conductive material, characterised in that it comprises means (26, 28, 30, 32) for differential measurement of the conducting material load resistance, between a first point located in a solid portion (22) of the load and a second point (30) located in a liquid portion (20), and between a third point (28) located in another solid portion of the load and the second point (30). |