Highly buoyant and semi-rigid floating islands
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United States of America Patent
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Mar 13, 2012
Grant Date -
Apr 15, 2010
app pub date -
Oct 2, 2007
filing date -
Oct 21, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A buoyant walkway or island and its method of manufacture. In a preferred embodiment, the buoyant walkway comprising: an internal frame comprising semi-rigid members that are attached to one another, said internal semi-rigid frame having openings; an internal block disposed in each of said openings, said internal blocks being spaced apart from one another by gaps and forming a top surface and a bottom surface; cured thermoplastic foam disposed in said gaps that attach said internal blocks to said semi-rigid internal frame and to one another; a permeable top layer that is attached to said top surface; and a bottom layer that is attached to said bottom surface.
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