| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a sandal with a honeycomb structure for making the bottom areas of hollows constant because the bottom areas are not constant when the hollows are made in any shapes other than regular hexagons, whereby the strength varies between the bottoms. <P>SOLUTION: The bottom of the sandal has a lot of regular hexagonal tubular hollows located in a regular hexagonal honeycomb structure. <P>COPYRIGHT: (C)2013,JPO&INPIT |
