A compact plate-type heat pipe having a large strength includes a plate-type heat pipe having a vaporized end and a condensed end and a metallic plate-like sleeve. The support includes a back-up ring having opposed first and second faces with a wall thickness disposed between the faces. A cross bar is laterally spanned between the sub-carriers and is provided with a work holding unit which is capable of holding the work. 74 in a radial direction from the bead toward a belt attached to an outer circumference of the tire assuming that the distance from the bead to the belt is 1. Once the sidewalls of the box blank are properly anchored using the appendages, the label assembly can be aligned and the label can be adhered to the box blank.