Self-destruct fish hook

Details Self-destruct fish hook Self-destruct fish hook

1987-05-07

1987-12-29

Rowan, Kurt

Fishing, trapping, and vermin destroying

Fishing

Line-attached bodies, hooks and rigs

A01K 9702

Patent

active

047151420

ABSTRACT:
A self-destructing fish hook having a selected small anodic area of exposed steel, and a highly cathodic plating covering a much larger area of the hook surface. When immersed in seawater, the resulting galvanic couple causes the small anodic area to corrode rapidly and the hook to eventually break. In a preferred embodiment, a temporary protective coating is provided for at least one member of the couple to delay the onset of corrosion of the steel anodic area so that the hook can retain 100 percent of its strength for a substantial period of usage in seawater before corrosion of the steel body is initiated.

REFERENCES:
patent: 3842529 (1974-10-01), Richard
patent: 3992804 (1976-11-01), Senese
patent: 4583314 (1986-04-01), Kirkland
Richard, J. D., Delayed Release Device for Use in Trap Fisheries, (1971), Journal du Conseil, 33(3): pp. 492-505.

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