Shielding device with inflatable frame structure
US5761852A · kind A · utility
Inventor
Key dates
| Filing date | Aug 2, 1996 |
| Grant date | Jun 9, 1998 |
| Priority date | — |
| Expiry date | Aug 2, 2016 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H2015/201
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A shielding device including an inflatable frame structure, and a covering covered over the inflatable frame structure, the inflatable frame structure including a plurality of inflatable purlins, and a plurality of inflatable rafters connected in parallel by the inflatable purlins, the inflatable purlins and the inflatable rafters having a respective air valve, each inflatable rafter having a plurality of coupling portions adapted for coupling to the inflatable purlins, each coupling portion defining a coupling hole through which one inflatable purlin is inserted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.