| 摘要 |
PROBLEM TO BE SOLVED: To improve a point-of-purchase(POP) advertisement effect by closing the convex lens-shaped front and rear caps extended to both sides of a bulging cylinder to bulge the bulging cylinder like a convex lens and to enhance the stiffness thereof and simultaneously allowing the projecting piece formed by partially notching the bulging cylinder to project, thereby performing stereoscopic direction. SOLUTION: The rear cap 2 and front cap 3 of the convex lens shape are extended via side folding lines 6 which are peak folding lines of an inwardly curving shape to both sides of the bulging cylinder 1 formed with top and bottom edges by bag folding. Next, the bulging cylinder 1 is partially notched to an arbitrary design shape to extend the protruding piece 4. While the notching position and shape of the protruding piece 4 are free, the protruding piece is made to project more largely toward the upper part by partially notching the upper half region and allowing the lower part to remain without being cut. The structure of the bulging cylinder 1 forms a cylindrical shape by adhering and connecting an adhesive piece 9 which is extended from the bottom edge of the front plate 8 toward the lower region of the back plate 7 and is folded back to the back surface. The bulging cylinder is preferably extended with a protruding area 10 protruding to an outer side across the side folding lines 6.
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