Bismuth and bismuth alloy fishing sinker

An improved fishing sinker having a specific gravity sufficiently high so as to provide sufficient weight without undue bulkiness with the fishing sinker having a body of material formed from bismuth or an alloy of bismuth and a method of casting a bismuth containing sinker in order to have the sink...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	RATTE ROBERT W, DONOHOE THOMAS P, RATTE GEOFFREY S, FERRON DOUGLAS P
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY CARE OF BIRDS, FISHES, INSECTS CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES FISHING FORESTRY HUMAN NECESSITIES HUNTING NEW BREEDS OF ANIMALS PERFORMING OPERATIONS POWDER METALLURGY REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR TRANSPORTING TRAPPING
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Beschreibung
Zusammenfassung:	An improved fishing sinker having a specific gravity sufficiently high so as to provide sufficient weight without undue bulkiness with the fishing sinker having a body of material formed from bismuth or an alloy of bismuth and a method of casting a bismuth containing sinker in order to have the sinker release from the mold as well as a method of forming a runner attachment to the fishing sinker to enable quick and clean removal of the solidified runner from the solidified fishing sinker.