Portable containment device for treatment of hazardous materials
US4812700A · kind A · utility
19Cited by
16References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 1, 1986 |
| Grant date | Mar 14, 1989 |
| Priority date | — |
| Expiry date | Dec 1, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25J21/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A containment bag system specifically used for the removal of asbestos insulation from asbestos covered pipes and valves without contamination of the worker or the surrounding environment. A method of removing asbestos and other hazardous materials from limited areas uses a safe containment system. A method for manufacturing the containment system includes heat sealing a length of lay-flat tubing along a bottom edge and preferably along two side edges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.