C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
204/120
C23F 13/00 (2006.01) B63B 59/04 (2006.01)
Patent
CA 2001785
ABSTRACT The current invention relates to an anti-fouling system for substances in contact with seawater which is constituted of the first conductive membrane that is coated on the outer side of the electric insulator mounted at the surface of the substance such as ships, marine structures in contact with seawater and is composed of a thin sheet of metal or metal oxide of low specific resistance and a spray-coated membrane, evaporated membrane or fused membrane of said metal or metal oxide, and the second conductive anti-fouling membrane having higher electric resistance than the first conductive membrane which is coated on the outer side of the above first conductive membrane and which is composed of the oxidation-resistant insoluble substance and the organic binder, and the power supply equipment that supplies direct currents flowing from the first conductive membrane through the second conductive membrane toward the electric conductor made of iron, copper or carbon located in seawater and opposite the second conductive membrane, owing to the constitution of which the prevention of rise in resistance because of consumption of the conductive membrane, the uniforming of current distribution and a high anti-fouling performance by using the low-resistant conductive membrane are achieved.
Horiguchi Tsutomu
Ohta Shozo
Tomoshige Kiyomi
Ueda Kenji
Usami Masahiro
Fetherstonhaugh & Co.
Mitsubishi Jukogyo Kabushiki Kaisha
LandOfFree
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