Patent ID: 7044076
Filing Date: 2006-05-16
Classification: B63B,F41H

Abstract:
1. A cylindrically-shaped pontoon for providing buoyancy for a protection barrier to be provided in a body of water, comprising: a metal structural member; a urethane inner shell that encases a portion of the metal structural member, the urethane inner shell disposed in an inner central portion of the cylindrically-shaped pontoon, to thereby form a first inner cylindrical region within the cylindrically-shaped pontoon; a polyethylene region that encases the urethane inner shell, the polyethelene region forming a first annular region that completely surrounds the first inner cylindrical region of the urethane inner shell; and a polyurethane elastomer or polyurea outer shell that encases the polyethylene region, the polyethelene elastomer or polyurea forming a second annular region that completely surrounds the first annular region, wherein a portion of the metal structural member extends out from the outer shell to thereby couple to a portion of the protection barrier.