E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
E02D 29/12 (2006.01) E03F 5/02 (2006.01) F16L 5/10 (2006.01)
Patent
CA 2427846
In constructing a manhole structure (1) in which a manhole (2) and a pipe (3) are interconnected, first, a manhole structure water-stop flexible joint (4) is prepared. Such manhole structure water-stop flexible joint (4) has a rigid cylindrical body (5) and a cylindrical flexible body (6), the cylindrical flexible body (6) comprising a cover portion (6a) fixed to the outer periphery of the pipe (3), a fixed portion (6b) fixed to the manhole (2), and a connecting portion (6c) disposed in a space between the cylindrical body and the pipe, positioned inside the cylindrical body, and connecting the cover portion (6a) and fixed portion (6b), the fixed portion (6b) being fixed to the outer periphery of the cylindrical body (5), the connecting portion (6c) being formed of an elastic body that accommodates the displacement between the manhole (2) and pipe (3). Next, such manhole structure water-stop flexible joint (4) is installed on the outer periphery of the pipe (3), the cover portion (6a) of the cylindrical flexible body (6) is fixed to the outer periphery of the pipe (3), and a manhole filler is pored around the outer periphery of the fixed portion (6b).
Lors de la construction d'une structure à trou d'homme (1) dans laquelle un trou d'homme (2) et un tuyau (3) sont interconnectés, on prépare tout d'abord un joint d'étanchéité souple (4) pour structure à trou d'homme. Ce joint d'étanchéité souple (4) pour structure à trou d'homme possède un corps cylindrique rigide (5) et un corps souple cylindrique (6), ledit corps souple cylindrique (6) comportant une partie de couverture (6a) fixée sur le pourtour externe du tuyau (3), une partie fixe (6b) fixée au trou d'homme (2) et une partie de raccordement (6c) disposée dans un espace ménagé entre le corps cylindrique et le tuyau, positionnée à l'intérieur du corps cylindrique et reliant la partie de couverture (6a) et la partie fixe (6b). La partie fixe (6b) est fixée sur le pourtour externe du corps cylindrique (5) et la partie de raccordement (6c) est formée d'un corps élastique qui permet le déplacement entre le trou d'homme (2) et le tuyau (3). On installe ensuite ce joint d'étanchéité souple (4) pour structure à trou d'homme sur le pourtour externe du tuyau (3), on fixe la partie de couverture (6a) du corps souple cylindrique (6) sur le pourtour externe du tuyau (3) et l'on verse un agent de remplissage de trou d'homme sur le pourtour externe de la partie fixe (6b).
Kadota Fumio
Suzuki Shuichi
Tanaka Hideo
Toyama Tetsushi
Hayakawa Rubber Company Limited
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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