| 摘要 |
<p>A seal (12) for the spigot part (4) of a gutter comprises a sealing element (18) of flexible compressible material and retaining means (20) of a more rigid material. The retaining means (20) is connected to the spigot (4) by means of clips (16). Also disclosed is a gutter union (30) having two spigots (4) each of which is provided with a seal (12) of the type mentioned above, although a plain seal could be attached to the spigots (4) instead. The gutter union can join two uniform lengths of gutter (32). In another embodiment, the gutter union (40) is provided with a protrusion (56) fitting into an oversize slot (58) in the gutter for allowing thermal expansion of the gutter without breaking the seal.</p> |
