Vacuum rig apparatus
US5618587A · kind A · utility
19Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1994 |
| Grant date | Apr 8, 1997 |
| Priority date | — |
| Expiry date | Dec 7, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D69/141
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A vacuum rig apparatus for introducing a liquid into a space defined by a shaped article, which apparatus comprises a series of interconnected vessels attached through a port to a vacuum line, wherein one of the vessels is adapted to hold the shaped article and the apparatus is tiltable about a point midway along the vessel so that liquid from a reservoir flows into the vessel to surround the shaped article and fill the space therein when a vacuum is applied to the apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.