| 摘要 |
PROBLEM TO BE SOLVED: To provide an envelope-type information concealing sheet with excellent traveling properties and printability of a printer. SOLUTION: In this envelope-type information concealing sheet 1, a second region 12 is falsely bonded to the other region 22 and a detackifying layer 17 is transferred to a part of the other region 22 which is laminated in an area where the information concealed in the first region 11, is printed. In order to achieve this transfer, the detackifying layer 17 is formed beforehand on the back of the second region 12. COPYRIGHT: (C)2009,JPO&INPIT
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