| 摘要 |
PURPOSE: The water-proof bag is provided to isolate the filtration of moisture through the sewing part having a sealed one end or both ends of a bag. CONSTITUTION: The waterproof bag is composed of:an outer cover(3) wove as a Baduk board pattern by horizontally and vertically weaving a pick and a warp made of P.P, P.E or vinyl resin; an inner cover(4) formed by bonding with stacking a tubular sheet made of resin material inside of the inner cover(3); a sewing part(8) sealed by sewing one end between both ends opened of the inner/outer covers of the tubular sheet; the sewing part(8) having a sewing yarn(6) used for sealing a bag, projected by lengthening to both ends of the bag; the end of the bag including the sewing part(8) bonded with the outer cover(3) by a sheet film.
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