Method and device for filleting killed and headless fish,...

A - Human Necessities – 22 – C

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A22C 25/16 (2006.01)

Patent

CA 2415150

To fillet killed and headless fish broodstock, the abdominal cavity of which is opened up, especially the species tilapia, dorsal and ventral cuts are made up to the backbone and cleanly cut separating cuts are made in the remaining area attached to the backbone, while the fillets are peeled from the ribs. The aim of the invention is to enable machines to be used for such fish, rendering extensive manual treatment superfluous. Before the fillets are peeled from the ribs, the ventral folds are trimmed by a machine to remove parts which reduce the quality of the fillet, while the peeling cuts are made with two degrees of freedom in order to adapt to the particularly stiff rib profile.

Pour la levée de filets de poissons d'élevage tués, étêtés et vidés, en particulier de l'espèce Tilapia, des coupes dorsales et ventrales sont opérées jusqu'à la colonne vertébrale et des coupes de séparation sont opérées pour supprimer la liaison restante avec la colonne vertébrale, tandis que les filets sont décollés des côtes. Selon la présente invention, avant que les filets ne soient décollés des côtes, les bords des flancs ventraux sont éliminés à la machine en vue de la suppression des parties abaissant la qualité, tandis que les coupes de décollement sont opérées avec deux degrés de liberté en vue de l'adaptation au profil extraordinairement rigide des côtes. La présente invention permet ainsi pour des poissons de ce type l'utilisation de machines qui rend superflu le traitement ultérieur largement manuel.

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