| 摘要 |
PROBLEM TO BE SOLVED: To improve the appearance of a stack shrink wrapping film for cans. SOLUTION: A stack shrink wrapping film (3) of a substantially regular shape is placed over cans (1) neatly arranged in a line. The film is provided with barcode screening prints (11) which make it impossible to read barcode (4) printed on each of a wrapped stack of cans. Also, a barcode (6) is printed so as to correspond with each of the wrapped stack of cans. A pair of opposite side edges of the film are sealed to each other to form a middle sealing line (5), thereby forming the film into a substantially cylindrical shape surrounding the cans. Both ends of the film are sealed to tightly cover the cans and the film is shrunk. Thus, stack shrink wrapping is provided. In the stack shrink wrapping, barcode screening prints are put near and inside straight lines (5') provided to form the middle sealing line on the pair of opposite side edges (3a) and (3b) of the film. COPYRIGHT: (C)2003,JPO
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