Two-shot molded seal integrity indicator, underwater camera, and method
US6625394B2 · kind B2 · utility
97Cited by
28References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2001 |
| Grant date | Sep 23, 2003 |
| Priority date | — |
| Expiry date | Dec 21, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/08
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A pressure indicator of an underwater camera housing has an indicator support surrounding an opening. An elastomer facing is united with the indicator support. The facing has a free region overlaying the opening. The free region has an inner surface and an outer surface. The free region is deflectable by a relative pressure differential between the inner and outer surfaces. Excessive inward excursion of the free region can be prevented by a backup.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.