| 摘要 |
PROBLEM TO BE SOLVED: To provide a flip-top type carton having a pilfer-proof function. SOLUTION: A zipper 13a in which a first weakening lineαis projected toward a barrel front plate 13 from a cutting lineγwith two separate ends forming starting points is provided on a non-forming part of the first weakening lineαin a front connection piece 31 to the position at which a fore end of the zipper part is exposed from a lid front plate 13, and a connection is left on a part of the cutting lineγat the fore end of the exposed zipper part. After breaking the connection of the cutting lineγby pushing in the fore end of the zipper 13a on the barrel front plate 13, the covering lid is turned to cut the first weakening line and the second weakening line to perform unsealing. When the re-sealing is performed after the unsealing, a hole is opened in a front side to be able to determine at a glance whether or not a carton is once unsealed. COPYRIGHT: (C)2008,JPO&INPIT
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