Drainage channel section with discrete overlapping slot apertures
The drainage section comprises a longitudinal pipe section 20 and a plurality of slot apertures 30 which extend from the pipe section to form discrete apertures spaced from the pipe section, each slot aperture being discontinuous in the longitudinal direction of the pipe and with a portion of each s...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The drainage section comprises a longitudinal pipe section 20 and a plurality of slot apertures 30 which extend from the pipe section to form discrete apertures spaced from the pipe section, each slot aperture being discontinuous in the longitudinal direction of the pipe and with a portion of each slot aperture being spaced perpendicularly across the longitudinal direction of the pipe section to a portion of another slot aperture. Each slot aperture may be slanted across the longitudinal direction of the pipe section and arranged parallel to other slot apertures. The outer surface of the pipe section might include channels for receiving rebars 36, preferably in reinforcing bands which extend between adjacent slot apertures. Webs may be formed between slot apertures which define valleys for receiving rebars. The ends of the channel section may include respective male and female ends, each with a respective sideways extending flange. Also claimed is a drainage channel. |
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