E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
61/32
E02D 3/10 (2006.01) E02B 11/00 (2006.01)
Patent
CA 1215241
ABSTRACT OF THE DISCLOSURE A partial-seepage drainage pipe includes a wall surface of circular profile which is corrugated over the majority of the pipe circumference. Adjoining the circular wall surface is a base having a bottom surface and side wall segments. The pipe has a mating sleeve molded on in one piece at one end, which is adapted to receive the free end of a corrugated pipe segment and has slit-like water seepage openings in the corrugated wall surface. In order to attain a tight mating-sleeve connection, the bottom surface of the base and the corresponding bottom surface of the mating sleeve are embodied such that they arch in a slightly convex fashion.
449886
Hegler Ralph-Peter
Hegler Wilhelm
Hegler Wilhelm
Marks & Clerk
LandOfFree
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