| 摘要 |
<p>The invention relates to a head having multiple retractable needles for injecting pieces of meat and the injecting needle for same, said head comprising a liquid supply chamber. Injecting needles (4) extend through the supply chamber. Said needles are provided with a penetration point (14), a passage (12), which communicates with the injection openings (15) located close to the point (14), and a distal end (18), far from the point (14), which is provided with a limiting piece (17). The distal end (18) is disposed opposite elastic retaining means that can be used to draw the needle back if said needle comes into contact with a bone in the piece of meat to be injected. The supply chamber comprises numerous parallel, interconnected and elongated conduits (3) through which certain sections (4a) of the needles (4) can be guided to slide. Said conduits (3) are provided with a diameter greater than that of said sections (4a) and means (5) for sealing and guiding/centring said sections (4a) at the inlet and outlet of each conduit (3). The needles (4) comprise opposing openings (13) which communicate with said passage (12), said openings (13) being disposed in an area of said section (4a) at a distance from the limiting piece (17) that is approximately equal to the length of the conduit (3).</p> |
