Chemical vessel cap
US6426046B1 · kind B1 · utility
22Cited by
15References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2000 |
| Grant date | Jul 30, 2002 |
| Priority date | — |
| Expiry date | Aug 29, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC40B60/14
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A cap (1) for a chemical storage or reaction vessel comprising a seat for attachment, in use, to an opening of the vessel. A membrane (6) formed from a resilient material and having a slit (11) formed therein allows a substance sampling or delivery apparatus to pass therethrough in use, the membrane being positioned to slide within the seat substantially in the direction of passage of the sampling or delivery apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.