Spectrochemical plasma torch and method of manufacture
US7952709B2 · kind B2 · utility
1Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2009 |
| Grant date | May 31, 2011 |
| Priority date | — |
| Expiry date | Nov 26, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05H1/30
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention describes a torch for producing a plasma for a spectrochemical analysis comprising: an alumina ceramic injector, a vitreous material inner tube concentric with the injector, and an annular joint between the injector and the inner tube. The joint fixedly attaches the injector and the inner tube together and comprises of an adhesive compatible with vitreous material and alumina ceramic. A method of manufacturing the torch is also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.