| 摘要 |
PURPOSE: Provided is a vinyl zipper which, when applied to vinyl bag, blocks a circulation between outer air and inner air and prevents degeneration or decomposition of food or fruit and vegetable preserved in the vinyl bag. CONSTITUTION: The vinyl zipper(1) having male T(11) and female T(21) formed so as to correspond to opposite sides of a pair of plastic films(10,20), is characterized in that single or multiple of airtight pieces(12,22) are formed on the each plastic films so as to link to lateral sides of the opposite male T and female T. Irregular parts are formed on sides opposite to the male T(11), female T(21), and airtight piece(s)(12,22) formed on the each plastic films(10,20). The vinyl zipper allows the food, or fruit and vegetable to be preserved in vinyl bag, when applied to the vinyl bag.
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