Test photoflash lamp
US3955912A · kind A · utility
0Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 1974 |
| Grant date | May 11, 1976 |
| Priority date | — |
| Expiry date | May 31, 1994 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21K5/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A photoflash lamp containing a readily ignitable, hydrogen-containing substance, such as shredded paper or a spot of sucrose, to controllably induce bursting of the lamp upon ignition for purposes of testing the relative strength and reliability of lamp containment systems, including the envelope, envelope coatings and flash unit enclosures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.