Propellant charge igniter

US4353304A · kind A · utility

Assignee

• Dynamit Nobel GmbH · DE

Inventors

• Gunter Hubsch · Kalchreuth, DE
• Rudolf Stahlmann · Fürth, DE

Key dates

• Filing date: Jul 25, 1979
• Grant date: Oct 12, 1982
• Expiry date: Jul 25, 1999

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F42C19/12
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

A propellant charge igniter includes a casing that contains a central contact member, an igniter element, a sealing element associated with the igniter element, and a powder charge. The sealing element has on a side facing the powder charge, an annular collar in sealing contact with an inner wall of the casing.