"Flexible ""throw-away"" sheet of trough for wet removal of asbestos"
US5704988A · kind A · utility
Inventor
Key dates
| Filing date | Apr 17, 1995 |
| Grant date | Jan 6, 1998 |
| Priority date | — |
| Expiry date | Apr 17, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB09B2101/35
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A trough soaking device for use in a process for complete wet removal of asbestos insulation covering from pipes, joints, and valves comprising: a flexible waterproof sheet material having disposed at its shortest ends a strip of sealing means for placement about pre-formed outermost adherent contact points on an asbestos covered pipe, and sleeve means at its longest ends to accommodate insertable support rods; a pair of support rods for insertion into a portion of said sleeve means; and at least a pair of saddles containing arched-out semi-circles for placement over pre-formed innermost adherent contact points on an asbestos covered pipe; said saddles containing slot means disposed at its lengthwise ends to accommodate press-fitting of support rods disposed in said sleeve means when said sealing means of said shortest ends of said waterproof sheet material are sealed together over said pre-formed outermost adherent contact points on said asbestos covered pipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.