E - Fixed Constructions – 02 – B
Patent
E - Fixed Constructions
02
B
362/8
E02B 13/00 (2006.01) E03F 1/00 (2006.01)
Patent
CA 1329959
ABSTRACT A thermoplastic device for leaching sewage system effluent into the earth has the shape of an inverted trough. Its sidewalls have slot shaped perforations; above each slot is a lip; beneath each slot is one or more protuberances, preferably rectanguloid in shape. The combination of lips and protuberances prevent compaction of the earth against the sidewalls when the devices are buried without the use of stone fill. They permit the for- mation of a good biocrust layer and facilitate the exfiltration of liquid into the earth. 21
570606
May Randall Charles
Nichols James Monroe
Infiltrator Systems Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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