| 摘要 |
<p>PCT No. PCT/EP88/00627 Sec. 371 Date Aug. 15, 1989 Sec. 102(e) Date Aug. 15, 1989 PCT Filed Jul. 12, 1988 PCT Pub. No. WO89/05889 PCT Pub. Date Jun. 29, 1989.The faces (33) of the plate into which the gully is cast, are extended all around by lattices (40) of glass fiber. These form a compound with the subsequently poured plaster floor so that a tension-proof connection is ensured when the tiles are fastened by an adhesive or mortar. According to a preferred embodiment, the plate may additionally be anchored in the plaster floor by reinforcement wire meshes (41) cast into said plate.</p> |
