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Drain system
| Details |
Inventors: Bevilacqua, Joseph;
Assignee: B-Dry Systems (Copley, OH)
Primary Examiner: Raduazo; Henry E.
Assistant Examiner:
Attorney, Agent or Firm: Oldham & Oldham Co.
A drainage system comprising an earthen trench adjacent to a foundation wall formed from hollow blocks or bricks, the inner surface of the lowermost course of which is provided with holes communicating with the interior of the blocks, allowing water passing down the interior of the wall to have access to the trench. The drainage trench is provided with a shaped profile, supported from the inner side of the wall, which serves as a lining for the top and one side of the trench, the lower portion of the wall, or a footer wall, comprising the other side. The bottom of the trench is lined with a water-permeable fibrous mat. |
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DETAILED DESCRIPTION What is claimed is: 1.
A foundation wall drainage system comprising: a footer wall; an earthen drainage trench having a top, a bottom, a first side, and a second side wherein said trench functions as a conduit for drainage water passing through said system; and a wall formed of hollow building blocks provided with connecting openings through a top and a bottom thereof, said blocks being disposed vertically on top of each other, with a lowermost row of said blocks having spaced holes penetrating an inner wall side thereof which function as drainage passageways, said spaced holes being located substantially adjacent said drainage trench wherein the improvement comprises; a drainage trench lower-lining member, wherein said lower-lining member is disposed on said bottom of said trench extending across the entire bottom of said trench and extending partially up said footer wall and up said second side of said trench; and a drainage trench upper-lining member wherein said upper-lining member is supported from said inner wall side, above said spaced holes, at one end, while a second end rests on said lower-lining member, said trench being faced on said first side thereof by said footer wall, on said second side and said top thereof by said upper lining member and on said bottom thereof by said lower lining member.
2.
A drainage system according to claim 1 wherein said upper-lining member is provided with reinforcing structure positioned between said top and said one side of said lining.
3.
A foundation wall drainage system according to claim 1, wherein said upper-lining member is a member having a generally Z-shaped transverse cross-section, said member being supported from said inner wall side by attachment thereto, and said lower-lining member is comprised of a fibrous matting.
4.
A system according to claim 3 wherein said fibrous matting is a non-woven polyester fabric.
5.
A system according to claim 1 wherein said upper-lining member is a member having generally L-shaped transverse cross-section, one flange of said L resting on a shelf member attached to said inner wall side, and said lower lining-member is comprised of fibrous matting
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