INJECTOR

PROBLEM TO BE SOLVED: To provide an injector capable of effectively removing foam in a short time, and as a result, capable of remarkably reducing an amount of pickle liquid to be stored in a tank, and remarkably lowering an occurrence amount of surplus pickle liquid remaining in the tank so as to save expenses required for producing ham. SOLUTION: This injector has a liquid supply structure which includes an injection head 4 having a group of injection needles 9, a conveyor 3 which carries raw material meat, a tank 30 which stores pickle liquid, and a liquid supply pump 31 which supplies pickle liquid in the tank 30 to the injection head 4. The injector comprises arranging a defoaming tank 33 which has an inner capacity smaller than that of the tank 30, on an inlet path 32 between the tank 30 and the liquid supply pump 31, and arranging a defoaming structure 70 which has a plurality of ultrasonic oscillators 73, on the bottom of the defoaming tank 33, and supplying pickle liquid which is continuously subjected to defoaming treatment in the defoaming tank 33, to the injection head 4 with the liquid supply pump 31. COPYRIGHT: (C)2010,JPO&INPIT