Method and facility for cutting off hind feet of half carcasses

A - Human Necessities – 22 – B

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Details

A22B 5/00 (2006.01) A22B 7/00 (2006.01)

Patent

CA 2435539

With the intention of performing an optimal cutting of the hind feet (8) of the half carcasses (4), which are advanced stepwise on an overhead conveyor (6) suspended in the hind feet (8), there is indicated a method and a plant for performing an optimal hind foot cutting. According to the invention, cutting of the hind feet (8) occurs by the half carcasses (4) being gripped by pivoting gripping mechanisms (26) the clear of which in the gripping position not allowing the heel joint (29) to pass through this. As the variation of the thickness of the heel joint on a carcass is very small, a lifting of the ham (32) of the half carcass by displacing the gripping mechanisms (26) will result in the position of the thickest point of the heel joint being well- defined, whereby there is achieved a very great uniformity of the hind foot cutting by the same displacement pattern of the gripping mechanisms (26) in cross-wise direction in relation to saw blades (30) situated in a plane well- defined in advance.

L'invention concerne un procédé et une installation de découpe optimale des pattes arrières (8) de demi-carcasses (4) qui sont avancées progressivement sur un convoyeur aérien (6) dans lequel sont suspendues les pattes. La découpe des pattes arrières (8) s'effectue en saisissant les demi-carcasses (4) par un pivotement de mécanismes de préhension (26), le dégagement desquels, en position de préhension, ne permettant pas à l'articulation du talon (29) de passer. La variation de l'épaisseur de l'articulation du talon sur la carcasse étant très petite, l'élévation du jambon (32) de la demi-carcasse par déplacement des mécanismes de préhension (26) permettra à la position du point le plus épais de l'articulation du talon d'être bien définie, ce qui produit un bonne uniformité de la découpe des pattes arrières par le même schéma de déplacement des mécanismes de préhension (26) dans une direction croisée par rapport à des lames (30) situées dans un plan bien défini à l'avance.

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