The star-wheel moves ' P.V.C. Flip Off Cap ' to the direction of Chute No.1 that dispatches Aluminum Cap downward to Star-wheel. That rides on the previously come P.V.C. Flip Off Cap' and the couple is moved by star-wheel to the hammering head that presses both caps and centre dot of 'P.V.C. Flip Off Cap' affixes into the centre hole of Aluminum Cap and is moved to heating & sealing punch that melts & seals the centre dot of' P.V.C. Flip Off Cap '.