Hydraulic and earth engineering – Drainage or irrigation – Porous or apertured pipe – flume – or tileway
Patent
1994-09-01
1996-09-17
Bagnell, David J.
Hydraulic and earth engineering
Drainage or irrigation
Porous or apertured pipe, flume, or tileway
405 43, 405 46, 405 49, E02B 1300
Patent
active
055562310
ABSTRACT:
A leaching chamber (10) includes first and second side walls (46) which have louver sections. The side walls are connected by vaulted portion (48) to define a chamber potion (12) terminating at a first end (16) and a second end (18). Male and female coupling collars (20, 30) are integrally connected with corrugation peaks at the first and second ends. An intermediate peak or structure (70) has a first portion (72) with a profile of the male coupling collar and a second portion (74) with a profile of the female coupling collar upon cutting between the two portions, two subchambers (12', 12") are formed each having a female coupling collar at one end and a male coupling collar at the other. An inlet end cap (14) is telescopically connected to the female coupling collar (30). The inlet end cap (14) has a sleeve (102) to receive a conduit carrying effluent and a diffuser (104) to diffuse the received effluent. The diffuser includes a sloping surface with diverging ribs (106). A sloping surface (108) extends along a bottom edge of the end cap aligned with the diffuser to absorb the erosion inducing force of fluid falling from the diffuser.
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Hamilton Douglas O.
Sidaway H. John
Bagnell David J.
Hancor, Inc.
Lagman Frederick L.
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