| 摘要 |
PROBLEM TO BE SOLVED: To provide a sheet to be easily set and exchanged and prevented from being deviated and wrinkled, and to provide an auxiliary sheet. SOLUTION: The sheet for covering the whole surface of a bed is constituted so that a sheet main body 11A, upper bending parts 11B, and left and right bending parts 11C, 11D are formed by cutting a flat sheet and respectively bending the upper end and both the left and right ends toward a rear surface, and connection parts 17a, 17b between the upper bending parts 11B and the left and right bending parts 11C, 11D are respectively sewn with thread, so as to form a semi-box shape sheet 11 having a U shape bag part 12 to be opened to the center part and lower part at a rear surface side, wherein a mattress 10 is pushed into the bag part 12. COPYRIGHT: (C)2005,JPO&NCIPI
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