Method and apparatus for cathodically protecting reinforced concrete structures
US5292411A · kind A · utility
44Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 1992 |
| Grant date | Mar 8, 1994 |
| Priority date | — |
| Expiry date | Jun 3, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23F2201/02
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Cathodic protection of a reinforced concrete structure utilizes a metal anode such as a zinc anode in combination with a pressure sensitive ionically conductive hydrogel in contact with at least a portion of the surface of the anode. Preferably, the anode and ionically conductive hydrogel are flexible and supplied in roll form. The combination may further include the addition of salt to the hydrogel as well as application to the metal-hydrogel combination of Type III cement. The cathodic protection may be carried out with or without a power source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.