Method for the controlled mechanical treatment of headless...

Details Method for the controlled mechanical treatment of headless... Method for the controlled mechanical treatment of headless...

A - Human Necessities

22

C

A22C 25/14 (2006.01)

Patent

CA 2593058

The invention relates to a method for the controlled treatment of headless and gutted whitefish (1), especially saltfish. According to said method, before the fish membrane and main bones are extracted, distal blood residues of the neck are removed by means of a high-pressure cleaning liquid jet. Once the main bones have been cut out, proximal blood residues of the neck on the flesh of the fish can be accessed in the region of the abdominal cavity and removed with cleaning means (708) which protect the flesh. The aim of the invention is to mechanically remove the proximal blood residues of the neck, which vary considerably in size and position, in such a way that the flesh is protected. To this end, said residues are removed in layers. An upper part is removed in a device (8) by means of at least one high-pressure cleaning liquid jet oriented towards the proximal blood residues of the neck, said jet being adjusted in such a way that a residue of the proximal blood of the neck remains in order to contribute to the protection of the exposed fish flesh during the application of the jet. The residue is then removed by means of another flesh-protecting means (7). The device for carrying out the method comprises a cleaning device (708) for the layered removal of the proximal blood residues of the neck, said cleaning device being arranged downstream of the filleting device (6).

L'invention concerne un procédé de traitement commandé de poisson maigre étêté et évidé (1), notamment de poisson salé. Avant extraction de la membrane du poisson et des arêtes principales, des restes de sang du cou distaux sont éliminés au moyen d'un jet de liquide de nettoyage haute pression. Après découpe des arêtes principales, des restes de sang du cou proximaux, présents sur la chair à proximité de la cavité ventrale sont rendus accessibles et retirés au moyen d'un élément de nettoyage (708) n'abîmant pas la chair. L'invention vise à éliminer de façon mécanique, sans abîmer la chair, les restes de sang du cou proximaux dont la taille et la position varient considérablement. A cet effet, ceux-ci sont retirés en couches. Dans un dispositif (8), une partie supérieure est éliminée par l'intermédiaire d'au moins un jet de liquide de nettoyage haute pression dirigé sur les restes de sang du cou proximaux, ledit jet étant réglé de telle manière qu'il reste un résidu de sang du cou proximal de façon à protéger la chair exposée lors de l'application du jet. Ce résidu est ensuite retiré au moyen d'au moins un autre élément (7) n'abîmant pas la chair. Le dispositif destiné à la mise en oeuvre dudit procédé comporte un dispositif d'enlèvement des arêtes (6), et un dispositif de nettoyage (708) disposé en aval, destiné à éliminer par couches les restes de sang du cou proximaux.

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