Pipeline pig brush and brush assembly
US9339854B2 · kind B2 · utility
1Cited by
45References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2013 |
| Grant date | May 17, 2016 |
| Priority date | — |
| Expiry date | Aug 16, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B9/055
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A brush useful in pipeline pigs, for example, in magnetic flux leakage tools or cleaning tools, a method of making the brush and pipeline pig comprising the brush. The brush has a metal bristle holder and a plurality of bristles, the ends of which are held in the bristle holder by glue, swaging or a combination of glue and swaging. The glue may be an anaerobic glue. The brush and method of making avoid the use of heat to secure the bristles to the bristle holder, avoid the use of solder or weld metal, and are less labor intensive than soldering or welding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.