| 摘要 |
PROBLEM TO BE SOLVED: To provide a double-trip postal card paper which can prevent a third party other than a right recipient from illegally peeling a concealing label and tampering with the entered content of the reply postal card during delivery service. SOLUTION: This double-trip postal card paper is of such a form that both a forward postal card paper and a reply postal card paper, are connected together through a folding line. When the reply postal card paper is mailed as the reply postal card, it can be sent back with concealed information entered in the reply postal card paper. In addition, a releasing agent layer is formed on the upper surface of the forward postal card paper, and a transparent paper with an adhesive layer formed on the face/back surfaces, is arranged on the upper side of the forward postal card paper. Further, the adhesive layer formed on the back surface of the transparent paper is bonded to the releasing agent layer in the way that the former is releasable from the latter. On the upper side of the transparent paper, a releasable paper with the releasing agent layer formed on the back surface, is arranged. Besides, the releasing agent layer formed on the back surface, is bonded to the surface of the transparent paper in the way that the former is releasable from the adhesive layer formed on the surface of the transparent paper. COPYRIGHT: (C)2009,JPO&INPIT
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