To provide a double printing stamp, in which a full color printing becomes possible, by a method wherein a double printing accuracy is improved though its structure is simple.
This double printing stamp 1 is equipped with three printing surface holding parts 5, 6 and 7, which locate on the same plane under their non-pressed states, three printing surface parts 8, 9 and 10, each of which is fixed to the printing surface holding part and made of thermoplastic foamed sheet, a slider part 3, which pivotally supports the printing surface holding parts 5, 6 and 7 by means of an elastic hinge structure and, at the same time, the whole of which is made movable, and a guide bar 13, which guides the moving direction of the slider part 3 within a frame 2. Further, in order to control the stopping positions of the slider part 3 so as to position the respective printing surface parts 8, 9 and 10 above the certain printing spots, grooves 13a are provided on the guide bar at three spots. Furthermore, to the slide part 3, a spring 14 having a projection 14, which fits to the groove 13a, is fixed.
TOYAMA TETSUYUKI
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