A kind of aluminum-plastic packaging mold for medicine
An aluminum-plastic packaging and mold technology, applied in the field of medical packaging, can solve the problems of cumbersome process and inconvenient use.
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[0023]As an embodiment of the present invention, a baffle 9 is fixedly connected between the inner walls of the needle tube 521; a spring is fixedly connected between the bottom of the baffle 9 and the top of the needle 522; A stopper 10 is fixedly connected to the side wall, and one end of the stopper 10 is closely attached to the inner wall of the needle tube 521; an air bag 11 is arranged between the stopper 10 and the bottom of the needle tube 521, and the air bag 11 is fixedly connected to the side wall of the needle head 522 and the needle tube 521 inner walls; the bottom of the airbag 11 is provided with an air hole 12; the bottom of the needle tube 521 is provided with an airway 13, and a one-way valve is arranged in the airway 13, the design of the one-way valve can reduce the airbag 11 from the outside ; The air hole 12 communicates with the outside of the needle tube 521 through the airway 13; during work, the needle 522 moves in the needle tube 521 during the proces...
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