Method and apparatus for aligning drainage channel sections

Details Method and apparatus for aligning drainage channel sections Method and apparatus for aligning drainage channel sections

1994-12-19

1996-06-04

Tsay, Frank

Hydraulic and earth engineering

Fluid control, treatment, or containment

Flow control

404 3, 24336, E02B 500, E01C 1122, A44B 2100

Patent

active

055226752

ABSTRACT:
A drainage channel system for forming a trench is disclosed according to the present invention. The drainage channel system includes a number of precast drainage channel sections and one or more alignment keys for aligning and interlocking adjacent drainage channel sections. Each alignment key includes first and second opposed, inwardly facing jaw members shaped for longitudinally bridging across a predetermined exterior portion of adjacent first and second sidewalls, respectively, of adjacent drainage channel sections. Accordingly, each jaw member engages the predetermined exterior portions of the respective sidewalls to longitudinally interlock the drainage channel sections. In particular, each jaw member includes opposed clamping tabs having longitudinally opposed surfaces which apply a longitudinally compressive force to the adjacent drainage channel sections. In addition to longitudinally interlocking the adjacent drainage channel sections, the alignment key advantageously includes surfaces which substantially align the adjacent drainage channel sections both vertically and laterally.

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