Containers
AssigneeAmerican Can Company
InventorRonald E. Beese
Life of this patent
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Abstract
A seamless, closed bottom steel container (shell) principally for food products, is drawn and lengthened from a starting blank of steel having a layer of tin; afterwards, the shell is baked to develop a corrosion resistant tin-iron alloy between the steel substrate and a reserve layer of unalloyed tin.
Claims4
A drawn, seamless, closed bottom container of shell form drawn from a steel starting blank having an adherent layer of tin, characterized, at least on the inside, by an in-situ formed undrawn substantially continuous layer of tin-iron alloy next to the steel weighing at least 0.03 pounds per BB, and a substantially continuous layer of unalloyed tin next to the tin-iron alloy layer.
Dependencies are inferred from the claim text.