To increase a packaging speed by separating a cutting and delivery position of a zipper piece from a continuous zipper and a bonding work position of the zipper piece present at a predetermined position on a web-like packaging material to perform the cutting and delivery process of the zipper piece and the bonding process of the zipper piece at separate positions without causing interference in both processes.

A zipper piece cutting and delivery mechanism 2 is constituted so that the zipper piece J cut from the continuous zipper at the cutting and delivery position P1 is held to the holding part 10 provided to the peripheral surface of a tarret 3 temporarily stopped during its intermittent rotation. The zipper piece J is fed in a lateral direction accompanied by the intermittent rotation of the tarret 3 and bonded to the web-like packaging material Fw at the bonding work position P2 separated from the cutting and delivery position P1 to be arranged at a different position by a zipper piece bonding mechanism 4. The action of the zipper piece J and the bonding work of the zipper piece J to the web-like packaging material Fw can be performed in a temporally overlapped state to shorten the feed cycle time of the zipper piece J.