Anticorrosion anode with magnetic holddown
US4487676A · kind A · utility
7Cited by
8References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 27, 1981 |
| Grant date | Dec 11, 1984 |
| Priority date | — |
| Expiry date | Aug 27, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23F13/02
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An anode for the internal protection of hollow corrodible magnetically receptive metallic substrates is attached to a flexible permanent magnet along its length, thereby enabling it to hold to the substrate. This prevents abrasion and electrical short-circuiting of the anode when turbulent flow would cause an unattached anode to abrasively contact the substrate. A method of inserting the anode into a substrate, such as a pipe, is also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.