Tell tale device for a pressure vessel
US5437188A · kind A · utility
8Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1994 |
| Grant date | Aug 1, 1995 |
| Priority date | — |
| Expiry date | Jan 31, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M3/3272
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A post activation device to indicate that pressure the existed within a pressure vessel just prior to the opening of the pressure vessel and the resulting loss of pressurization, having a diaphragm, plug or piston (62, 130, 160, 330) capable of rupturing, moving or deforming in response to a pressure differential thereacross above one or more low limit values and for providing an indication of the pressure within the pressure vessel just prior to its being opened, and a support member (70), within the pressure vessel for supporting the diaphragm, plug or piston means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.