| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a waterproof inner for waterproof shoes that can easily be formed on a last mold with no wrinkle in the instep. <P>SOLUTION: In a waterproof inner 5 for waterproof shoes of a first embodiment, a stitch line along which a stitching portion 6A in the instep portion of a foot form outside part 6 and a stitching portion 7A in the instep portion of a foot form inside part 7 are stitched together in the instep portion in front of a foot insertion hole 6J, 7D extends in a straight line from the foot insertion hole 6J, 7D toward a toe portion 6C in the central part of the waterproof inner 5 and bends along the way near the base of toe and then extends in a straight line toward the inside on the first toe side. Therefore, when forming the waterproof inner 5 on the last mold in injection molding of the sole 4 of a waterproof shoe 1, the instep portion of the waterproof inner 5 is naturally elastic, causing no wrinkles in the instep portion. <P>COPYRIGHT: (C)2012,JPO&INPIT |
