Corrosion-resistant fuel tank
2 Assignments
0 Petitions
Accused Products
Abstract
A fuel tank that is at least partially formed of a corrosion-resistant coated metal that is coated with a corrosion resistant alloy. The corrosion resistant alloy is a tin metal alloy or a tin and zinc metal alloy. The corrosion resistant alloy may also include one or more metal additives to improve the coating process and/or to alter the properties of the tin or tin and zinc metal alloy.
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Citations
27 Claims
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1-7. -7. (canceled)
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8. A method of forming a corrosion-resistant metal strip for use in the at least partial formation of a petroleum receptacle comprising:
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a) providing a metal strip having a top and bottom surface;
b) coating the top and bottom surface of said metal strip with a corrosion-resistant tin-zinc alloy by a hot dip process, said corrosion-resistant tin-zinc alloy forming a multi-phase alloy upon cooling which resists corrosion by petroleum products, said corrosion-resistant tin-zinc alloy comprising tin, zinc and metal additive, at least about 95 weight percent of said corrosion-resistant tin-zinc alloy comprised of tin and zinc, said zinc content of said corrosion-resistant tin-zinc alloy being up to about 30 weight percent, said metal additive including an effective amount of at least one metal to positively affect at least one physical or chemical property of said tin-zinc alloy, said metal additive including a metal selected from the group consisting of chromium, copper, lead, magnesium, manganese, molybdenum, nickel, silicon, titanium and mixtures thereof;
c) forming a heat created intermetallic layer between said strip and said corrosion-resistant tin-zinc alloy and, d) controlling a coating thickness of said corrosion-resistant tin-zinc alloy on said top and bottom surface of said strip such that the average coating thickness on each surface of said strip is up to about 1270 microns. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16)
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17. A method of forming a corrosion-resistant metal strip that is used in the at least partial formation of a petroleum receptacle comprising:
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a) providing a metal strip having a top and bottom surface, said metal strip having an average thickness of about 127-5080 microns;
b) coating the top and bottom surface of said metal strip with a corrosion-resistant tin-zinc alloy by a hot dip process to form a heat created intermetallic layer between said surfaces of said metal strip and said corrosion-resistant tin-zinc alloy, said corrosion-resistant tin-zinc alloy forming a multi phase alloy upon cooling which resists corrosion by petroleum products, at least about 90 weight percent of said corrosion-resistant tin-zinc alloy comprised of tin and zinc, said zinc content of said corrosion-resistant tin-zinc alloy being up to about 30 weight percent, said heat created intermetallic layer having an average thickness of less than about 10 microns and including iron, nickel, tin and zinc; and
,c) controlling a coating thickness of said corrosion-resistant tin-zinc alloy on said top and bottom surface of said metal strip such that the average coating thickness on each surface of said metal strip is about 2.5-1270 microns. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification