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1. (WO2017149030) SYSTEM AND METHOD FOR CATHODIC PROTECTION BY DISTRIBUTED SACRIFICIAL ANODES
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Pub. No.: WO/2017/149030 International Application No.: PCT/EP2017/054806
Publication Date: 08.09.2017 International Filing Date: 01.03.2017
IPC:
C23F 13/08 (2006.01) ,B32B 15/01 (2006.01) ,C22C 21/10 (2006.01) ,C23F 13/14 (2006.01) ,C23F 13/16 (2006.01)
C CHEMISTRY; METALLURGY
23
COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
F
NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES; INHIBITING CORROSION OF METALLIC MATERIAL; INHIBITING INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25247
13
Inhibiting corrosion of metals by anodic or cathodic protection
02
cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
06
Constructional parts, or assemblies of cathodic-protection apparatus
08
Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
B PERFORMING OPERATIONS; TRANSPORTING
32
LAYERED PRODUCTS
B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
15
Layered products essentially comprising metal
01
all layers being exclusively metallic
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C
ALLOYS
21
Alloys based on aluminium
10
with zinc as the next major constituent
C CHEMISTRY; METALLURGY
23
COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
F
NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES; INHIBITING CORROSION OF METALLIC MATERIAL; INHIBITING INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25247
13
Inhibiting corrosion of metals by anodic or cathodic protection
02
cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
06
Constructional parts, or assemblies of cathodic-protection apparatus
08
Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
12
Electrodes characterised by the material
14
Material for sacrificial anodes
C CHEMISTRY; METALLURGY
23
COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
F
NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES; INHIBITING CORROSION OF METALLIC MATERIAL; INHIBITING INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25247
13
Inhibiting corrosion of metals by anodic or cathodic protection
02
cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
06
Constructional parts, or assemblies of cathodic-protection apparatus
08
Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
16
Electrodes characterised by the combination of the structure and the material
Applicants:
VETCO GRAY SCANDINAVIA AS [NO/NO]; Eyvind Lyches vei 10 1338 NO Sandvika, NO
Inventors:
ARTUN, Lars; NO
IANNUZZI, Mariano; NO
Agent:
LEE, Brenda; GB
BRANNEN, Joseph; GB
Priority Data:
2016037403.03.2016NO
Title (EN) SYSTEM AND METHOD FOR CATHODIC PROTECTION BY DISTRIBUTED SACRIFICIAL ANODES
(FR) SYSTÈME ET PROCÉDÉ DE PROTECTION CATHODIQUE PAR ANODES SACRIFICIELLES DISTRIBUÉES
Abstract:
(EN) A method to reduce the total anode mass of a cathodic protection (CP) system by reducing or eliminating the total cathode area is disclosed, the system comprising: a metallic first-layer coating (2) which being anodic to the component or substrate to be protected, bonded to the component or substrate and electrically conductive. A sacrificial anode in the form of a metallic second-layer coating (3) is distributed over the first-layer coating (2). The second layer coating (3) has an open circuit potential that is equal to the first-layer coating or being anodic to the first-layer coating and to the substrate, the second-layer coating (3) electrically conductive, bonded to the first-layer coating (2) and exposed to the surrounding environment.
(FR) La présente invention concerne un procédé de réduction de la masse totale d’anode d’un système de protection cathodique (CP) par réduction ou élimination de l’aire totale de cathode, le système comprenant : un revêtement de première couche métallique (2) qui est anodique pour le composant ou substrat devant être protégé, fixé au composant ou substrat et électriquement conducteur. Une anode sacrificielle sous la forme d’un revêtement de deuxième couche métallique (3) est distribuée sur le revêtement de première couche (2). Le revêtement de deuxième couche (3) possède un potentiel de circuit ouvert qui est égal à celui du revêtement de première couche ou étant anodique pour le revêtement de première couche et pour le substrat, le revêtement de deuxième couche (3) étant électriquement conducteur, fixé au revêtement de première couche (2) et exposé à l’environnement périphérique.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)