Ignition element, in particular for pyrotechnic mixtures
US6601515B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 11, 1999 |
| Grant date | Aug 5, 2003 |
| Priority date | — |
| Expiry date | Aug 11, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2021/26029
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An igniter element has two contacts (12, 13) which are on the contact side of a support body (11), and which are connected via a resistance element (15). By current feed to the contacts (12, 13), a primer mix (17) is ignited on one active side of the support body (11). The support body (11) is placed in a fixing device (10), whereby the former is fitted with at least one stop spring (18) which catches on a stop shoulder (21) of the holding device. Furthermore, the support body (11) has a recess (22) on the front-side in the region of the stop spring (18), which recess is open in the direction of the active side. After igniting the primer mix (17), pressure builds up on the active side, so that the outer surface (23) of the stop spring (18) is pressed against the inner surface of the fixing device (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.