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    • 3. 发明专利
    • SHOE WHOSE UPPER IS HELD WITH SUPERELASTIC ALLOY
    • JPH09313209A
    • 1997-12-09
    • JP18108896
    • 1996-05-30
    • MACHIDA HIDEKAZU
    • MACHIDA HIDEKAZU
    • A43B23/02A43C11/22
    • PROBLEM TO BE SOLVED: To make a shoe fit to the top side of a foot so that the shoe may be comfortably worn by holding the top side of the foot with the inner nose of the quarter and the outer nose of the quarter by pulling the noses by superelastic alloy members of coil forms. SOLUTION: This shoe has inner and outer noses 2 that are pulled together by superelastic alloy members 3 of coil forms to hold the top side of a foot. The superelastic alloy springs are extensible about 10 times conventional metal springs and can restore their original form softly. The superelastic alloy, even if it is strained highly, can exert a certain force on the top side of the foot that may be a high step or a flat foot and therefore one feels comfortable. Since the superelastic alloy coiled members 3 can be stretched greatly like a conventional shoe whose shoelace is loosened when one pulls a tongue 1 of the shoe to put on or off the shoe, it is very easy to put on or off the shoe. Thus, the shoe that can hold the top side of the foot by the superelastic alloy members can press the top side of the foot with a certain pressure even if the foot is a flat foot or a high step or when the foot has become bloated, so that the shoe may be comfortably worn.