| 摘要 |
PROBLEM TO BE SOLVED: To provide a sandal that is free from discomfort or pain in the toes, that is easy to walk in and has no lack of strength or no sultriness even in the summer season when the sandal has a high temperature, and that can save time and labor as well as cost in manufacturing.SOLUTION: This is a sandal S that has by injection molding four expandable resin-made thongs 3 corresponding to the space between the toes. Concerning the three thongs other than the one in contact with the big toe, the sandal S is characterized in that thickness of the three thongs 3b, 3c, 3d at the position spacing the toes is in the range of 1.5-4.5 mm, and that hardness of the expandable resin constituting the three thongs 3b, 3c, 3d is in the rnage of 50-65 degrees in room temperature by an E type durometer. |
