Leaching chamber with perforated web sidewall

Details Leaching chamber with perforated web sidewall Leaching chamber with perforated web sidewall

1994-10-03

1996-04-30

Nicholson, Eric K.

Hydraulic and earth engineering

Drainage or irrigation

Porous or apertured pipe, flume, or tileway

405 36, 405 46, 405 49, E02B 1100

Patent

active

055119034

ABSTRACT:
A molded plastic leaching chamber, for dispersing or collecting liquids in soil, has a corrugated arch shape. The sidewall of the chamber is comprised of alternating slot-perforated peaks and valleys connected by slot-perforated deep webs. The unit surface length of perforated sidewall is greater than the unit length of chamber. A combination of interrelated dimensions and angles provide high leaching capacity, strength, and capability to nest for shipment. The sidewall is reinforced by vertically running ribs; the perforated web is reinforced by zig-zag struts. Ribs and struts are shaped and positioned to minimize blockage of the slot openings.

REFERENCES:
patent: 3579995 (1971-05-01), Flynn
patent: 3820341 (1974-06-01), Richard et al.
patent: 4192628 (1980-03-01), Gorman
patent: 4245924 (1981-01-01), Fouss et al.
patent: 4759661 (1988-07-01), Nichols et al.
patent: 4950103 (1990-08-01), Justice
patent: 5017041 (1991-05-01), Nichols
patent: 5046892 (1991-09-01), Kothmann
patent: 5087151 (1992-02-01), Di Tullo
patent: 5156488 (1992-10-01), Nichols
patent: 5336017 (1994-08-01), Nichols

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