| 摘要 |
<P>PROBLEM TO BE SOLVED: To read only a bar code displayed on a film by shading bar codes of respective single articles without damaging information displayed on each article or the design of it, in reading bar code displays of a collective packaging film for canned or bottled foods. <P>SOLUTION: The collective packaging film is made of a transparent film for packaging a plurality of collected single articles, each of which has an attached bar code display. The transparent film is printed with ink containing a substance absorbing near-infrared rays within a visible range of 600 to 700 nm in an amount and state that is sufficient to prevent the reading of the bar codes attached to each single article and is proper to keep the transparency of the transparent film intact. <P>COPYRIGHT: (C)2004,JPO |
