| 摘要 |
The invention relates to a method and a carton blank for forming a reclosable package made of carton stock, coated at least on the end closure flaps thereof, with a heat-sealing coating, which comprises: a front panel, a rear panel, and side panels sealed together to form a tube, and an end closure therefor comprised of dust flaps on said side panels, a cover flap on said rear panel, a tuck-in tab on the free end of said cover flap, and a sealing flap on said front panel adapted to overlie said cover flap, said dust flaps, said cover flap, and said sealing flap being heat-sealed by means of said coating into a unitary end closure and said closure being provided with ply-separation portions and a tear-out portion which, when the tear-out portion is stripped off, frees the cover flap and its tuck-in tab sufficiently that it can be opened and reclosed. Details of the construction and operation of the ply-separation portions and the tear-out portion are included.
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