Patent ID: 6874192

Claim:
A pneumatic structural or bridge element with a sheath ( 1 ) which can be supplied with compressed air via a valve ( 2 ) and is made of a textile fabric of low extensibility and an airtight covering made of a flexible plastic, with elements for absorbing compressive forces and those for absorbing tensile forces, characterized in that a plurality of compression bars ( 6 ) are arranged parallel to one another at the upper side of the bridge element and are guided in shackles ( 7 ) connected to the sheath ( 1 ), a number of webs ( 3 ) corresponding to the number of compression bars ( 6 ) and made of a textile fabric of low extensibility are present and connect the upper side and the underside of the sheath ( 1 ), the textile webs ( 3 ) are arranged in planes running parallel to one another, each of these said planes also respectively contains one of the compression bars ( 6 ), the webs ( 3 ) are connected over their entire length to the inner side of the sheath ( 1 ), at least one first fabric layer ( 4 ) is present for each web ( 3 ) and its thread profile is turned through substantially 45° with respect to the longitudinal direction of the bridge element.