Apparatus for providing leakage calibration in packages
US6382011B1 · kind B1 · utility
6Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 9, 2001 |
| Grant date | May 7, 2002 |
| Priority date | — |
| Expiry date | May 9, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F25/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A plug for providing a predetermined flow rate of leakage gas from a sealed package for purposes of calibration of gas measurement instruments, the plug having an axial passage therethrough with a threaded interior wall; and a bolt for threading into the plug axial passage, the bolt having an axial passage therethrough, and an insert for insertion into the bolt axial passage, the insert having a predetermined size opening for permitting only a predictable flow of leakage gas through the plug.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.