| 摘要 |
PROBLEM TO BE SOLVED: To make an information less prone to transfer onto the opposite side superimposed surface even under unfavorable conditions due to temperature and moisture by compressing at least a portion carrying information on the surface of an adhesive layer in a superimposed surface, and thereby make information written on the superimposed surface look beautiful. SOLUTION: On the superimposed surface of an upper paper strip (a) and lower paper strip (c), an adhesive layer 3 is applied which does not adhere in a normal state, but adhere releasably under compression. Also, on the surface of a sheet foundation material 2 in the superimposed surface, general printing information j1 such a title, an explanatory note, a sender description, a ruled line, and an illustration is carried, and also carried on the surface of the adhesive layer 3 is personal printing information j2 or the like to be noted to a receiver. Furthermore, the adhesive layer 3 of the information-containing portion (j) including the printing information j1 or printing information j2 is slightly depressed by compression, and is given smoothness by so called a 'calender effect'. Thus, information carried on the superimposed surface can be looked beautiful.
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