Pneumatic structural element, and roof produced therefrom
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United States of America Patent
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Apr 24, 2012
Grant Date -
Oct 21, 2010
app pub date -
Dec 22, 2006
filing date -
Dec 23, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The pneumatic structural element comprises from one to a number of interconnected elements of the following construction: two hollow bodies made of textile material coated in a gas-type manner and each having two end caps are assembled such that they produce a common sectional area. The edging of this sectional area is formed by two curved tension/compression elements into which is clamped a gas-tight web made of a flexible material of high tensile strength. This web can be connected to the tension/compression elements in a gas-tight manner. By filling the two hollow bodies with compressed gas, a tensile stress σ pretensions said web. This pretensioning increases the bending rigidity of the tension/compression elements. If a plurality of such elements are combined to form a roof, every two adjacent hollow bodies thus form a sectional area with a tension/compression element and web.
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