Patent ID: 6332290
Filing Date: 2001-12-25
Classification: E04H,Y10S

Abstract:
A canopy comprising:a plurality of inflatable beams arranged side by side, each of said plurality of inflatable beams comprises a tubular envelope having two ends and a mechanical leaktight confinement device operable to close said two ends of said tubular envelope;a pressurized fluid generator operable to supply said plurality of inflatable beams with pressurized fluid; andone of a foundation and a ballast connected to at least one of said plurality of inflatable beams, said one of said foundation and said ballast being operable to ballast said plurality of inflatable beams,wherein said plurality of inflatable beams have different lengths such that when said plurality of beams are inflated, said plurality of beams forms an opening between outside and inside of said canopy and longer inflatable beams bear on shorter inflatable beams.