Method of removing the skin from double fillets and a device...

Details Method of removing the skin from double fillets and a device... Method of removing the skin from double fillets and a device...

A - Human Necessities

22

C

17/12

A22C 25/16 (2006.01)

Patent

CA 1277114

ABSTRACT A method for removing the skin of double fillets, particularly of fish having thin, frail skin, in that the skin along the dorsal fin between the fillet sides is clamped in a conveyor device with the fillet sides turned inside out, thus that its skin sides are facing each other, and the fillet sides thus turned inside out being moved against deskinning knives, which separate the fillets from the skin. The purpose is to provide a method and a device for removing also very frail and thin skin e.g. from herring, whereby the device can skin the fish independently of if it is raw fish or salted, pickled or otherwise treated fillets. Another purpose is to effect the deskinning thus that the silvery membrane below the skin is maintained intact and the black membrane is removed. This has been achieved therein that the fillet sides are spaced sligthly from the conveyor device by means of spacing means situated immediately adjacent the deskinning knives, that the dorsal portion of the double fillet is led from the spacing means to the inner side of the deskinning knives facing the conveyor device, mainly without direction change, and that the side portions of the fillet sides, at the upper part of the spacing means and at least closest to the deskinning knives, are subjected to a successively increasing deflection movement in a direction from the upper edge of the spacing means in a plane transversely to the direction of movement of the fillets between the rear edge of the spacing means and the bevelled edge of the deskinning knives, thus that the fillets are stripped from the skin, whereby the skin and any dorsal fins freely can pass a space between the deskinning knives and the conveyor device.

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