| 摘要 |
It is characterised in that: - on the one hand, each corner element 2 comprises at least one means 12 for bearing against at least one adjacent element, which means is supported in such a way as to define the spacing d between the opposite faces 4, 5 of the wings of contiguous elements, that is to say those constituting the convex and concave surfaces of the elements and, - on the other hand, the dimension of the elements between the two surfaces of the abutments 14 situated at opposite ends, and the dimension between the faces of the uprights 9 intended to cooperate with the abovementioned abutment 14, are such that there remains between the opposite faces and surfaces a space which is at least sufficient to hold by means of capillary action a molten overlay resulting from the immersion of the grille in the bath. Application to the metal construction industry. <IMAGE>
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