| 摘要 |
Device for sinking threaded bushes or the like into a slab of concrete cast horizontally, characterised in that the threaded bush 3-4-5 is held by a bar 6 fixed, via at least one of its ends, against the inner face of the standard straightedge 2 forming the border of the mould capacity, parallel to the plane of the slab to be cast, the said bush being engaged in the said bar and being held by a sleeve 9 having a screw 10 capable of cooperating with the threading 4 of the said bush. <IMAGE>
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