Patent · US Expired

In particular frustoconical hollow body which can be stabilized by positive air pressure and can be anchored on an underlying surface via bracing means

US8414990B2 · kind B2 · utility

0Cited by

2References

21Claims

0Family size

Assignee

Red Bull GmbH · AT

Inventors

Michael Arnold · Bad Reichenhall, DE
Martin Jehart · Wenns, AT

Key dates

Filing date	Jan 5, 2006
Grant date	Apr 9, 2013
Priority date	—
Expiry date	Jan 5, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/1362
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

An in particular frustoconical hollow body (1) which can be stabilized by positive air pressure and which can be anchored to a base support (30) by way of bracing means is composed of a plurality of flexible material webs (4 to 12) which each extend in the peripheral direction of the hollow body (1). The mass in relation to surface area of the material webs (4 to 12) varies over the length of the hollow body (1).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.