| 摘要 |
A resealable flexible thermoplastic bag including a front wall and a back wa ll, said walls being joined along the major portions of their opposite longitudinal edges and bottom; an open mouth adjacent to the top edge of said bag including an adhesive strip (30) af fixed to a first inner surface of one of a front wall or rear wall of a bag at a pres elected distance from the opening of the bag; and a firs t roughened surface strip (40) affixed to a second inner surface of one of a front wall or rear wall of a bag at a preselected distance from the opening of the bag; said roughened surface of said bag being pressable against and into said adhesive strip on said first inner surface, whereb y a seal is formed by contacting said adhesive strip with said roughened surface of s aid second inner surface.
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