Optimized scraper for a conduit
US6574821B1 · kind B1 · utility
6Cited by
4References
19Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 19, 2001 |
| Grant date | Jun 10, 2003 |
| Priority date | — |
| Expiry date | Oct 19, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B9/0557
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A two-directional scraping device (1;25) intended for a fluid carrying pipe includes at least one thin disk (6) made of polymer stiffened by reinforcing means (8) secured to the disk. The disk, including the reinforcement, is divided into petals by at least two radial slots (11) whose length is smaller than the radius of the disk, the radius of the disk being substantially greater than the inside diameter of said pipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.