Patent · US Expired

Inflatable metal structure with built-in pyrotechnic charge

US6505852B2 · kind B2 · utility

1Cited by
18References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 8, 2002
Grant dateJan 14, 2003
Priority date
Expiry dateJul 8, 2022

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60R2021/23528
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A safety device housed in a motor vehicle and used in the field of automobile safety has an impervious inflatable metal bag fixed to a support, a pyrotechnic charge, and an ignition device intended to be connected to a source of electrical current. The bag includes a first metal sheet which has a central orifice, an intermediate fixing zone attached to the support and a peripheral fixing zone and a solid domed second metal sheet which has a peripheral fixing zone. The two metal sheets are fixed together at their peripheral fixing zones. The pyrotechnic charge is contained in the bag.

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