| 摘要 |
PROBLEM TO BE SOLVED: To provide a household sanitary tissue paper product where a perforation line is hard to be unintentionally parted at the production of the housing box of the household sanitary tissue paper product and in the product and also disassembling after using the sanitary tissue paper is easy. ! SOLUTION: A problem is solved by making: a push-in part forming perforation line on the bottom surface of a housing box; a bottom side ridge line perforation line along a bottom side ridge line from both ends of the push-in part forming perforation line; and further a side part ridge line perforation line along a side part ridge line. ! COPYRIGHT: (C)2015,JPO&INPIT |
