Patent ID: 8336452

Claim:
A machine for injecting fluids into meat or fish products, said machine having at least one injection head comprising a pressurized fluid injection chamber connected to means for supplying fluid from at least one source and a plurality of parallel hollow needles that can be retracted by contrast elastic means opposite to the ends of each needle far from the tip thereof, each needle having an inlet opening leading into its cannula that is capable of being located in said pressurized fluid injection chamber, said head being arranged to be moved in a lifting and lowering double travel motion in relation to a plane of a conveyor conveying pieces of meat or fish, wherein said chamber, which is provided with a fluid inlet for fluid to be injected, is formed by a block with several longitudinal ducts interconnected by further ducts and a plurality of transverse ducts for the passage of the needles intersecting the longitudinal ducts, each transverse duct comprising in its mouths sleeves provided with seals, said block being detachable in relation to a platform of the head defining a housing and the block being fixed by a first oscillating plate for guiding and supporting the needles and at least by a second oscillating plate carrying a plurality of cylinders providing said contrast elastic means, said first and second oscillating plates, in a situation overlapping the block, being fixed to the platform of the head by fastening means.