A flexible joint for a culvert

E - Fixed Constructions – 03 – F

Patent

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Details

E03F 3/04 (2006.01) E02D 29/16 (2006.01) E04B 1/68 (2006.01)

Patent

CA 2241785

A flexible joint for a culvert comprises a pair of annular connecting members. A flexible sealing member of a short cylindrical configuration made of rubber or a synthetic resin with end portions thereof is fixed to the connecting members. Bearing means are provided radially inwardly of the flexible sealing member with end portions thereof being fixed to the connecting members for supporting the flexible sealing member to prevent inward deformation of the flexible sealing member. The bearing means consist of a pair of support members of a short cylindrical configuration each having an annular connecting section. A cylindrical outer peripheral support section extends normally from the outer end portion of the connecting section for preventing inward deformation of the flexible sealing member. A side wall section extends inwardly from the end portion of the outer peripheral support section opposite to the connecting section side. The end portions of the flexible sealing member is clamped between the connecting section of the support members and the connecting members by means of C-clamps.

L'invention concerne un joint souple pour ponceau, constitué d'une paire d'éléments annulaires de raccordement. Une garniture d'étanchéité souple, sous forme de cylindre court, faite de caoutchouc ou de résine synthétique comportant des éléments d'extrémité, est fixée aux éléments de raccordement. Des moyens d'appui radiaux, orientés vers l'intérieur de la garniture d'étanchéité souple, sont dotés d'éléments d'extrémité fixés aux éléments de raccordement de manière à supporter la garniture d'étanchéité souple et à empêcher que celle-ci ne se déforme vers l'intérieur. Les moyens d'appui sont constitués d'une paire d'éléments supports, sous forme de cylindre court, ayant chacun une section de raccordement annulaire. Une partie support cylindrique périphérique extérieure s'étend à la normale par rapport à la partie d'extrémité extérieure de la section de raccordement pour empêcher que la garniture d'étanchéité souple ne se déforme vers l'intérieur. Une paroi latérale s'étend vers l'intérieur à partir de la partie d'extrémité du support périphérique extérieur du côté opposé à la section de raccordement. Les parties d'extrémité de la garniture d'étanchéité souple sont coincées entre la section de raccordement des éléments supports et les éléments de raccordement par des brides en C.

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