Methods and systems for abrasive cleaning and barrier coating/sealing of pipes
US8696823B1 · kind B1 · utility
10Cited by
41References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 28, 2007 |
| Grant date | Apr 15, 2014 |
| Priority date | — |
| Expiry date | Aug 7, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S118/13
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Methods for abrasive cleaning, deburring, providing barrier coatings and sealing leaks in existing pipes, in a single operation, in one pass by intermittent bursts of dry particulates forced and pulled by air throughout the piping system by a generator and a vacuum. Cleaning includes intermittently injecting bursts of abrasive particles into the pressurized gas into the piping system for cleaning pipe interior walls, reducing burrs and interior lips in the pipe interior walls and generating a vacuum suction in the piping system to remove abrasive particles and debris.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.