Method and means of injecting fluids into food products

A - Human Necessities – 23 – B

Patent

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Details

A23B 4/18 (2006.01) A23B 4/28 (2006.01)

Patent

CA 2180772

A meat injection machine (10) has a fluid manifold (34) with a plurality of fluid reservoirs (38), and a group of injection needles (68) associated with each reservoir. Each needle (68) is slidably mounted in a stripper tube (62) which in turn is slidably mounted in the fluid manifold (34). A valve (94) on the upper end of the stripper tube seats on a valve seat (93) on the upper end of the needle. A stripper pad (76) is mounted on the lower end of each stripper tube (62) and slidably embraces the lower end of each needle (68). Each fluid reservoir (38) has a fluid pressure regulator (56) to adjust fluid pressure on each reservoir. The method of injecting fluid into meat entails weighing the meat product, injecting it with fluid, weighing the injected meat product, comparing that weight with a target weight, and adjusting the fluid pressure in each reservoir (38) so that the next meat product will have its injected weight adjusted towards the target weight if a weight variance with the target weight exists with respect to the first injected meat product.

Cette invention concerne une machine d'injection de produits carnés (10) comportant un distributeur (34) relié à une série de réservoirs (38) et à un groupe d'aiguilles d'injection (68) associées au divers réservoirs. Chaque aiguille (68) est montée en ajustement coulissant dans un tube de propreté (62) qui est, à son tour, monté en ajustement coulissant dans le distributeur (34). Une soupape (94) disposée sur l'extrémité supérieure du tube de propreté (62) s'appuie sur un siège de soupape (93) monté sur le bout supérieur de l'aiguille correspondante. € l'extrémité inférieure de chaque tube de propreté (62) se trouve un manchon (76) qui est en contact coulissant avec l'aiguille (68) correspondante. Chaque réservoir de fluide (38) comporte un régulateur de pression (56) destiné à régler la pression qui y règne. La méthode d'injection suppose la pesée du produit carné à injecter, l'injection proprement dite, la pesée du produit injecté, la comparaison avec un poids de référence et, s'il y un écart entre les deux, l'ajustement de la pression dans chaque réservoir (38) à une valeur qui rapprochera du poids de référence celui du prochain produit injecté.

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