Non-toxic primer
US5547528A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 26, 1995 |
| Grant date | Aug 20, 1996 |
| Priority date | — |
| Expiry date | May 26, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC06C7/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An improved non-toxic primer which is devoid of metallic oxidizing compounds and of hygroscopic compounds and is comprised of 30-75% by weight of at least two percussion-sensitive compounds selected from a group consisting of a diazo, a triazole, and a tetrazole compound mixed with approximately 10-30% by weight of a suitable propellant, and a frictionator comprised preferably of approximately 12% by weight of calcium silicide and 8% by weight of fine particles of glass. The glass preferably has a particle size of dimensions less than 0.0021". The primer provides improved propellant ignition, non-toxic ignition products, improved ballistic data, and greatly minimizes misfires.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.