| 摘要 |
<p>The set of implements comprises a first implement including a flat slab (1) from which there rises a rider (3) including two parallel legs between which extends a cover (6) formed by ribs (7) with flat terminal faces, said flat terminal faces being supported in the vicinity of the base of a box (2) to be fixed, when the latter is set with its edge against said slab and in such a manner that the rider enters within said box, the fixing of the box to the slab taking place with the aid of means (35, 36) in correspondence with the centre line within the interspace between the legs of the rider, the slab being equipped with a perforation suitable for embedding a second implement (18) for fixing said slab (1) to the wall (30) of a mould for the production of prefabricated panels, or for receiving permanent magnets for fixing said slab, if the wall of the mould is made of iron. <IMAGE></p> |
