Smoke projectile with sequential charges and central ignitor
US4622899A · kind A · utility
11Cited by
7References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 14, 1983 |
| Grant date | Nov 18, 1986 |
| Priority date | — |
| Expiry date | Oct 14, 2003 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF42B12/48
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Several pyrotechnic smoke screen sets are arranged on top of each other. Each of them has an igniter and a decomposition sets. They are in separate containers which, in succession, are ignited by a delay device at a desired interval.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.