| 摘要 |
PROBLEM TO BE SOLVED: To provide postcard paper which can be mailed under a condition that information written on a postcard cannot be simply seen by a third person. SOLUTION: The postcard paper consists of foldable paper and two sheets of release paper releasably pasted on the foldable paper. In the foldable paper, first, second and third pieces of paper are continuously connected through two perforations for folding formed in the vertical direction. On the back face of the second piece of paper and on a part along the perforation for folding formed on the boundary of the second piece of paper and the third piece of paper, the characters of postcard are displayed. The width dimension of the first piece of paper is formed shorter than the width dimensions of the second and third pieces of paper so that when the foldable paper is folded into three in a Z-shape, the characters of the postcard displayed on the second piece of paper can be visually seen from the outside. An adhesive layer becoming releasable after adhering is formed on the back face of the first and third pieces of paper, and the release papers are releasably pasted on the adhesive layers of the first and third pieces of paper. COPYRIGHT: (C)2010,JPO&INPIT
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