Leak testing
US4922746A · kind A · utility
19Cited by
28References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 1988 |
| Grant date | May 8, 1990 |
| Priority date | — |
| Expiry date | May 25, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M3/366
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The leaky or non-leaky condition of a membrane-sealed container is determined by causing motion in one direction of one portion of the membrane; sensing motion in a direction opposite the first direction of another portion of the membrane; and delivering a corresponding signal indicative of the leaky or non-leaky condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.