Underdrain pipe

Details Underdrain pipe Underdrain pipe

E - Fixed Constructions

03

B

E03B 7/02 (2006.01) E02B 11/00 (2006.01) F16L 9/12 (2006.01)

Patent

CA 2202233

An underdrain pipe has a pipe wall in which wall portions rectangular in section and wall portions circular in section are disposed alternately in a longitudinal direction of the pipe, in which a number of water collecting small holes are formed in portions of the pipe wall, and in which the whole of the pipe wall is formed of material of synthetic resin or rubber.

Tuyau de drain souterrain ayant une paroi de tuyau dans laquelle les parties de paroi de section rectangulaire et les parties de paroi de section circulaire sont placées en alternance dans le sens longitudinal du tuyau, dans lequel plusieurs petits trous recueillant l'eau se trouvent dans les parties de la paroi du tuyau, tout le tuyau étant composé de résine synthétique ou de caoutchouc.

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