| 摘要 |
PROBLEM TO BE SOLVED: To provide a pocket-type file which attains a flat and thin form when not used and keeps such a shape that the base side of a cover does not swell when used. SOLUTION: File 10 of a pocket-type includes: a cover 15 which includes front cover 12 and back cover 13 on both right and left sides of back cover 11; and two or more transparent pockets P which are welded to the inside of the cover 15. The pockets P are welded to the base side inner surface of front cover 12 and back cover 13. An index storage part is formed on the base side external surface of back cover 11, front cover 12, and back cover 13. The file 10 can overall keep a thin form when not used and can maintain a flat shape without swelling in the base side of cover 15 when used. COPYRIGHT: (C)2011,JPO&INPIT
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