Structural flotation device

Details Structural flotation device Structural flotation device

2006-08-08

2006-08-08

Avila, Stephen (Department: 3617)

Ships

Mother ship, floating landing platform, and harbor

Floating boat dock

C114S267000

Reexamination Certificate

active

07086345

ABSTRACT:
A structural flotation device formed of two elongated shear panels embodied as substantially planar sheets of high-density polyethylene (HDPE) that are spaced apart by two or more substantially parallel and spaced apart heavy-gauge HDPE buoyancy tubes. The buoyancy tubes are transversely oriented relative to the elongated shear panels. All of the buoyancy tubes are of a substantially identical length that is foreshortened relative to the elongated shear panels. The openings in both ends of each buoyancy tube are joined to a substantially planar and unbroken surface of each of the elongated shear panels with substantially water-tight structural seams along its entire circumference.

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patent: 5931113 (1999-08-01), Eva et al.
patent: 6089176 (2000-07-01), Costello

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