The present invention provides a device including an article carry-in mechanism (1A) that transports an article (w) to a packaging position (P), an article carry-out mechanism (1B) that carries the article (w) away from the packaging position (P), and a relaying mechanism (1C) disposed between the article carry-in mechanism (1A) and the article carry-out mechanism (1B). The relaying mechanism (1C) receives and supports the transported article (w) from below in a center part of the article (w) in a direction of its width.