Arched conduit and method of handling same

Details Arched conduit and method of handling same Arched conduit and method of handling same

E - Fixed Constructions

21

B

189/29

E21B 11/00 (2006.01) B29C 65/02 (2006.01) B29C 69/00 (2006.01) B29D 23/18 (2006.01) E02B 11/00 (2006.01) F16L 11/118 (2006.01) B29C 65/00 (2006.01)

Patent

CA 1133403

ARCH CONDUIT AND METHOD OF HANDLING SAME (Abstract of the Disclosure) Disclosed is a foldable arched conduit suitable for use as drain tubing, culverts and the like. The conduit has the cross section of a parabolic arch with a flat base. The arched portion of the conduit comprises a pair of rigid corrugated plastic walls jointed at the apex area by a hinge. The base is constructed from a flexible sheet material which may contain apertures for liquid ingress and egress. For shipment, the rigid walls are folded inward about the hinge with the flexible sheet being folded between the rigid walls in order to present a generally flat configuration. After folding, the conduit may be conveniently rolled or length placed in parallel stacks for reducing the storage and/or shipping space required. At installation, the conduit may be unrolled along the installation site and then caused to expand into its unfoled shape.

341203

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