Patent · US Expired

Heat treated combustion chamber housing and process for making same

US5975569A · kind A · utility

11Cited by
2References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 3, 1997
Grant dateNov 2, 1999
Priority date
Expiry dateNov 3, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49996
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A combustion chamber housing for use in an airbag deployment system has a tubular body portion having a length and defining a combustion chamber that is adapted to contain combustion materials and to contain gases produced from the combustion thereof. The body has an expanded region having an edge defining an opening. The edge and a portion of the body adjacent to the edge and extending longitudinally therefrom along the body is heat-treated and defines a heat-treated, strengthened region. A method for heat treating the housings is also disclosed.

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