Concentric load bearing piping with liner for foundation anchor

Details Concentric load bearing piping with liner for foundation anchor Concentric load bearing piping with liner for foundation anchor

2007-05-22

2007-05-22

Lagman, Frederick L. (Department: 3673)

Hydraulic and earth engineering

Foundation

Underpinning

C405S232000, C405S251000

Reexamination Certificate

active

11406106

ABSTRACT:
An apparatus and process for increasing the concentric bearing load capabilities of the length of liner is disclosed. Overlapping ends of vertically aligned pipe lengths are joined by a coupling which provides aligned throughholes through the respective pipe ends. A cylindrical liner having a length substantially equal to co-lengths of an individual pipe member is positioned such that a series of throughholes passing through an approximate mid-length portion of the liner are positioned opposite to and aligned with the pipe coupling throughholes. Fasteners are then used to secure the two vertically aligned overlapping pipe ends to the interior liner pipe.

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