Drainage block feedthrough for assembly of walls constructed of

Details Drainage block feedthrough for assembly of walls constructed of Drainage block feedthrough for assembly of walls constructed of

1994-01-21

1995-06-20

Corbin, David H.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

405 36, 405125, 405286, E02D 2902

Patent

active

054256003

ABSTRACT:
A drain module is substituted for a retaining block during the construction of a retaining wall of interlocking retaining blocks to provide a drain. The drain module includes an inlet tube for coupling to a drainage pipe, a flange having an outer face attached to an end of the inlet tube, and an elongated main tube aligned with the inlet tube and attached to an inner face of the flange. A front face plate is attached to a front end of the main tube and has an opening aligned with a passage through the main tube. First and second side chambers are bounded by first and second portions, respectively, of the front face place extending beyond opposite sides of the main tube. In one embodiment the side chambers are filled with cement or the like during construction of the retaining wall to receive and anchor interlocking pins engaging retaining blocks of the retaining wall. The front face plate has a shape or contour closely corresponding to the shape or contour of the front face of each retaining block.

REFERENCES:
patent: 1098766 (1914-06-01), Scully et al.
patent: 1228662 (1917-06-01), Good
patent: 3123939 (1964-03-01), Erickson
patent: 3338254 (1967-08-01), Regal
patent: 3779021 (1973-12-01), Green
patent: 4096676 (1978-06-01), Hebert
patent: 4666334 (1987-05-01), Karaus
patent: 4711606 (1987-12-01), Leling et al.
patent: 4930283 (1990-06-01), Andelfingen
patent: 5017049 (1991-05-01), Sievert
"Lawn Drain Headwall Detail", Keystone Retaining Wall Systems.
"Drainage Pipe Headwall Detail", Keystone Retaining Wall Systems.

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