| 摘要 |
PROBLEM TO BE SOLVED: To provide a sheet for concealing postcard information which is so designed as to prevent falsification of transmission information by a third person before the postcard reaches a receiver, in regard to the postcard so constituted as to conceal the transmission information and to be developed by the receiver after delivery. SOLUTION: The sheet for the information concealing postcard has a constitution wherein paper for an address and concealment paper having each a postcard size are connected by a longitudinal folding perforation formed almost in the center of sheet paper and wherein a unsealing perforation is formed along one end side of the concealment paper. A pattern for concealing indicated information is printed on the address paper and the concealment paper, and paper having a strong-adhesive layer formed on the reverse side is adhered to the upper side of the address paper, while transparent paper having a releasable adhesive layer and the strong-adhesive layer formed on the reverse side and a transparent adhesive layer formed on the surface is adhered to the upper side of the concealment paper. Moreover, the concealment paper and the transparent paper are adhered only to the area from the unsealing perforation toward the end part, while release paper is stuck releasably on the transparent adhesive layer. COPYRIGHT: (C)2008,JPO&INPIT
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