PROBLEM TO BE SOLVED: To easily unseal a seal lid, and to re-seal the seal lid in a tray by providing a notched hole in the vicinity of an outer edge on a side where a top tray is drawn out, partially adhering a cover piece to a top surface, and partially adhering the cover piece to a returned part of an extension piece of the seal lid of the tray. ;SOLUTION: A notched hole 12a is provided in the vicinity of an outer edge on a side where a top tray 2 is drawn out. The notched hole 12a is located at a part of a part in which a tip part of a cover piece 17 is lapped on a top surface when a carton body 1 is assembled by adhering the cover piece 17 to an outer edge part of the top surface. A tip part of the cover piece 17 is adhered to an extension part of a seal lid 3 with an adhesive 8 through the notched hole 12a. The size and the number of the notched holes 12a are appropriately set so as to hold the extension part of the seal lid 3 of the tray 2 when the tray 2 is drawn out of the carbon body 1a.;COPYRIGHT: (C)2000,JPO
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