Chemical apparatus and process disinfecting – deodorizing – preser – Physical type apparatus – Means separating or dissolving a material constituent
Patent
1981-08-13
1983-03-01
Marcus, Michael S.
Chemical apparatus and process disinfecting, deodorizing, preser
Physical type apparatus
Means separating or dissolving a material constituent
114221R, 114222, 134172, 422 53, 436 6, 436 80, G01N 2306, B63B 900
Patent
active
043754511
ABSTRACT:
A device and method for measuring the antifouling coating leach rates on ps' hulls uses a spherical segment shaped shell that circulates water over a coated area. A pump connected in closed circuit with the shell assures proper flow rate. A second pump creates a partial vacuum and holds the shell on the coated surface. A combination of nozzles and outlet fittings assures that the coating is exposed to a circulating flow of water. A portion of the circulated water is passed through a cupric ion electrode sensor which provides signals representative of the dissolved copper in water over time and, hence, the leach rate of the coating.
REFERENCES:
patent: 3609916 (1971-10-01), Hammelmann
patent: 3770204 (1973-11-01), Schuster
patent: 4270484 (1981-06-01), Shimatanie et al.
Neumeister John W.
Seligman Peter F.
Beers Robert F.
Johnston Ervin F.
Keough Thomas Glenn
Marcus Michael S.
The United States of America as represented by the Secretary of
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