Pneumatic structural element
US7836636B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 22, 2006 |
| Grant date | Nov 23, 2010 |
| Priority date | — |
| Expiry date | Dec 22, 2026 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H2015/204
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The pneumatic structural element according to the invention comprises from one to a number of interconnected elements of the following construction: two hollow bodies (1) with casings (9) made of textile material preferably coated in a gas-tight manner and having end caps (5) are assembled such that they produce a common sectional area (2). The edging of this sectional area (2) is formed by two curved tension/compression elements (3) into which is clamped a web (4) made of a flexible material of high tensile strength. By filling the two hollow bodies (1) with compressed gas, a tensile stress σ is built up in their casings (9) and is transmitted directly or via the tension/compression elements (3) to the web (4) and pretensions said web. This pretensioning greatly increases the bending rigidity of the tension/compression elements (3). If a plurality of such elements is combined to form a roof, every two adjacent hollow bodies (1) thus form a sectional area (2) with a tension/compression element (3) and web (4).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.