Gas passage shifting device
US5396813A · kind A · utility
8Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 1994 |
| Grant date | Mar 14, 1995 |
| Priority date | — |
| Expiry date | Mar 10, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N15/0893
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A novel gas passage shifting device used primarily for a surface area measuring apparatus for particulate materials is disclosed. The device is characterized by having a base member provided with a recess which receives a tubular body so as to gas-tightly connect it to the gas passage by a simple operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.