| 摘要 |
A cap (1) for covering a lift hole of a lifting lug of a concrete slab, which cap comprises a flat circular skirt (4) and a central portion (5), wherein from the lower surface of the flat skirt extends one continuous circular protrusion (6) or a plurality of smaller protrusions (8) in circular formation, wherein the central portion (5) extends upwards from the skirt (4) and is formed to be pressed down so that the upper part of the lifting lug (2) breaks through the central portion. |
