| 摘要 |
<p>Apparatus for encasing branch connection to main feed pipe buried in ground to prevent corrosion The apparatus for encasing a branch connection (10) fitted to an auxiliary feed (12) and a section of this feed near the connection with the main distribution pipe (1) buried in the ground, consists of a support (20) made up of an open shuttering (40), guides (32,33) for lowering and raising the shuttering in an access pit (22) and a clamp (35) for holding the shuttering (40) in relation to the main pipe (1), and a pressure mould made up of two half shells (21,22) placed in the interior of the shuttering (40). These half shells (21,22) are controlled in their displacement one in relation to the other by adjusters (23,24) and an orifice (25) is provided through the shuttering and the pressure mould (21,22) to allow the introduction of the encasing material in the pressure mould.</p> |
