| 摘要 |
PURPOSE: A sleeve for a pipeline is provided to prevent the sleeve from becoming moved when concrete is placed by fixing the sleeve using a flange. CONSTITUTION: A sleeve for a pipeline comprises an upper sleeve(10), a water collection plate(20), a main body(30), a clogging prevention cap(40), and a lower sleeve(50). The upper sleeve has a protrusion. The protrusion supports the end of a drainpipe or drain trap. The water collection plate is installed on the outer surface of the bottom of the upper sleeve and has multiple leaking water inlet holes. The main body is composed of a vertical wall and a bottom. The vertical wall has an inner end protrusion. The clogging prevention cap is formed on the top of the leaking water inlet holes and prevents the leaking water inlet holes from clogging when concrete is placed. The lower sleeve is installed on the bottom of the main body and has a lower end flange(51). |
