Large breakseal actuator with built-in valve
US4696411A · kind A · utility
16Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 20, 1986 |
| Grant date | Sep 29, 1987 |
| Priority date | — |
| Expiry date | May 20, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J4/001
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A chemical vessel having improved access means comprising an access tube forming an openable conduit, being closed at the internal end with a discoid breakseal during shipment, a chemical removal tube slidably mounted in gas tight relationship inside the access tube, and means for moving the removal tube into engagement with and breaking out the breakseal for permitting removal of chemical from the vessel is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.