Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control
Patent
1997-05-16
1998-09-08
Taylor, Dennis L.
Hydraulic and earth engineering
Fluid control, treatment, or containment
Flow control
404 2, 404 4, 405 36, 405118, 472 923, E02B 500
Patent
active
058036628
ABSTRACT:
An elongate drainage channel capable of receiving runoff from an athletic surface is provided which includes a bottom wall and a pair of sidewalls extending upwardly from the opposed sides of the bottom wall. The drainage channel also includes a projection extending transversely outwardly from the exterior of at least one of the sidewalls and spaced at a predetermined distance below the open top for defining a height to which a subsurface layer is applied adjacent to the drainage channel. The projection is also fracturable from the sidewall so as to act as a mechanical fuse to prevent vibratory or tamping machinery from damaging the drainage channel. In another embodiment of the invention, an elongate channel section is provided which has a bottom surface which includes end portions which are shaped as generally planar reference surfaces. The shaped reference surfaces are generally coplanar with each other and are spaced at a predetermined distance below the open top of the channel for supporting the opposed ends of the channel section in a properly aligned position. The present invention also includes a mold for making drainage channel sections having aligned reference surfaces and associated methods for molding the drainage channel sections and for installing the drainage channel.
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ABT, Inc.
Taylor Dennis L.
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