Particulate separation chamber and bag disposal means in a negative pressure system for collection of hazardous material
US4828187A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 6, 1987 |
| Grant date | May 9, 1989 |
| Priority date | — |
| Expiry date | Jul 6, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S383/904
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A separation chamber comprising a solid walled container vessel having a removably sealable top which contains an inlet port, the chamber having an inner perforated screen wall with an outlet port positioned in the side of the vessel extending into the interior of the perforated screen inner wall, a static vacuum line communicating with the outlet line and the annular space between the solid outer container wall and the inner perforated screen wall, and a self-contained disposal bag having an inlet sleeve and an outlet sleeve, said bag design to conform to the contours of the inner perforated screen wall and said inlet sleeve for extending through the inlet port and the outlet sleeve for extending outwardly through said outlet port, both sleeves having a means for securing the sleeves in a closed and secure position once the disposal bag has become filled with particulate matter, the bag, complying with disposal requirements, then being deposited in an appropriate disposal area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.