| 摘要 |
<p>The bootee (1) has a rod with a notch closed by a tab (4) extending from an instep at bottom of leg. Flaps (7, 7') are superposed and extended on a zone at the level of the instep of a shoe, where the flaps cover the tab and are presented in a monolithic structure. The flaps have plastic material to facilitate sliding of flaps one on another, and are semi-rigid to ensure maintenance of the tab and to ensure covering of the foot. The plastic material has rigidity lower or equal to the rigidity of polyurethane of 40 shore hardness.</p> |
