Edward A Kawecki

US Patent:

61089087, Aug 29, 2000

Filed:

Jul 27, 1999

Appl. No.:

9/361472

Inventors:

Michael Starozhitsky - Buffalo Grove IL
Edward Kawecki - Southbury CT

Assignee:

Illinois Tool Works - Glenview IL

International Classification:

B21D 5388

US Classification:

298972

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.

US Patent:

59755695, Nov 2, 1999

Filed:

Nov 3, 1997

Appl. No.:

8/963150

Inventors:

Michael Starozhitsky - Buffalo Grove IL
Edward Kawecki - Southbury CT

Assignee:

Illinois Tool Works - Glenview IL

International Classification:

B60R 2126

US Classification:

280741

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.