| 摘要 |
PROBLEM TO BE SOLVED: To provide an expanded sandbox for a pet sufficiently responsive to excretion of the pet by deforming and composing a daily small pet sandbox into a non-daily sandbox for a brief journey of the owner or absence thereof over a long period. SOLUTION: The expanded non-daily sandbox for the pet is prepared by forming three 1/4 circular type sandboxes of the same size into a three-dimensional shape, adding the residual one 1/4 circular type sandbox to the resultant daily sandbox for the pet and then providing a planar large circular type sandbox. The prepared sandbox assists the excretion of the pet. Thereby, the large and wide expanded sandbox is composed and sufficiently responsive even to a large amount of excrements. COPYRIGHT: (C)2006,JPO&NCIPI
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