Tapered ceramic GC fitting and assembly
US6981720B2 · kind B2 · utility
5Cited by
15References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2003 |
| Grant date | Jan 3, 2006 |
| Priority date | — |
| Expiry date | Nov 7, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L37/05
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present invention is a ferrule for gas chromatography fittings comprising a body having a first end, a second end, and an internal bore extending length of the body; a tip integral with the body and protruding from the first end is disclosed. The tip has a flat surface through which the internal bore extends and wherein the flat surface of the tip is of smaller area than the first end and is perpendicular to the body. In one embodiment the body of the ferrule is formed from Zirconia ceramic. A connector assembly for creating a gas seal between chromatographic tubing is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.